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R&S®FSV-K10 GSM - Rohde & Schwarz

1. Example FETC BURS FREQ SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy IQlMbalance AVERage This command reads out the average measurement of the IQ Imbalance taken over the selected number of bursts see Statistic Count on page 56 Return values Result numeric value Average value Default unit NONE FETCh Subsystem Example FETC BURS IQIM AVER Usage Query only Mode GSM FETCh BURSt MACCuracy IQIlMbalance CURRent This command reads out the currently measured value of the IQ Imbalance taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Currently measured value Default unit NONE Example FETC BURS IQIM CURR Usage Query only Mode GSM FETCh BURSt MACCuracy IQlMbalance MAXimum This command reads out the maximum measurement of the IQ Imbalance taken over the selected number of bursts see Statistic Count on page 56 Return values Result numeric value Maximum Default unit NONE Example FETC BURS IQIM MAX Usage Query only Mode GSM FETCh BURSt MACCuracy IQlMbalance SDEViation This command reads out the standard deviation measurement of the IQ Imbalance taken over the selected number of bursts see Statistic Count on page 56 Return values Result numeric value Standard deviation Default unit NONE Example FETC BURS IQIM SDEV
2. STATus QUEStionable SYNC Register Bit No Meaning 6 to7 These bits are not used 8 CALibration The bit is set if a measurement is performed uncalibrated label UNCAL 9 LIMit device specific This bit is set if a limit value is violated see also section STATus QUEStionable LIMit Reg ister Note Limit register is associated with limit lines for the Spectrum Mask measure ment only 10 LMARgin device specific This bit is set if a margin is violated see also section STATus QUEStionable LMARgin Register 11 SYNC device dependent This bit is set if in measurements or pre measurements in FSV K10 mode synchroniza tion fails no signal is detected or no burst is found This bit is also set if input settings conflict with the measurement setup see also STA Tus QUEStionable SYNC Register 12 ACPLimit This bit is set if a limit for the adjacent channel power measurement is violated see also section STATus QUEStionable ACPLimit Register 13 to 14 These bits are not used 15 This bit is always 0 5 3 STATus QUEStionable SYNC Register This contains information about sync and bursts not found and about pre measure ment results exceeding or falling short of expected values The bits can be queried with commands STATus QUEStionable SYNC EVENt on page 234 and STATus QUEStionable SYNC CONDition on page 235 Bit No Meaning 0 BURSt not found
3. FETCh BURSt PTEMplate TRGS MAXimum This command queries the maximum of the time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of I Q captures see Statistic Count on page 56 This command is only available if an external trigger is selected and the Trigger to Sync measure ment is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Maximum Default unit S FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum Auto set trigger offset Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS PTEM TRGS MAX lI Usage Query only Mode GSM FETCh BURSt PTEMplate TRGS MINimum This command queries the minimum of the time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Statistic C
4. This command sets the bits of the ENABle part of the STATus QUEStionable SYNC register for screen A and B The ENABle register selectively enables the individual events of the associated EVENt part for the summary bit in the status byte See Hierarchy of Status Registers in the R amp S FSV Operating Manual Parameters for setting and query lt RegisterContent gt numeric value Content of the specific aspect of the status register RST 65535 Mode GSM STATus QUEStionable SYNC NTRansition lt RegisterContent gt This command determines what bits in the STATus QUEStionable SYNC CONDition register will set the corresponding bit in the STATus QUEStionable SYNC EVENt register when that bit has a negative tran sition 1 to 0 The parameter is the sum of the decimal values of the bits that are to be enabled Parameters for setting and query lt RegisterContent gt numeric value Content of the specific aspect of the status register RST 0 Mode GSM 4 14 TRACe Subsystem STATus QUEStionable SYNC PTRansition lt RegisterContent gt This command determines which bits in the STATus QUEStionable SYNC CONDition register will set the corresponding bit in the STATus QUEStionable SYNC EVENt register when that bit has a positive tran sition 0 to 1 The parameter is the sum of the decimal values of the bits that are to be enabled Parameters for setting and query l
5. 57 Eden 58 E Mechanical PI uoi pet netto gege 58 Bur 1 AR 58 ee EE 58 EE 58 L Trigger Polatity ecesiiteite tereti rase RE cba Pb vaa pad 59 L IF Pow Retro Holdoft 59 L IF Pow Retro Hvsteresls nnns 59 Softkeys and Settings of the GSM Menu L Auto Track A 59 Dal R5 NN 59 L Swap Up 59 GE 59 L fnput Sample Rafo EE 59 L Full Scale LAVA sissies ina issssaswvatiasscdeainiaetocngeiaisasorivarasieeaoaaeiaaanees 60 Maas SOLES E 60 EE 60 L Slot to Measure nennen netten tnn 61 L Number of Slots to meaeure 61 L First Slot to measure ntes 61 L Equal Timeslot Length REENEN 62 L Frame Select Slot to Conigure 62 DES NOM NR MERCREDI wants 62 uro Mp T 63 Mic qur MONDE DT UT 63 M 0 uU 63 E PIN sator M dud A MM 63 EE 63 L Training Sequence TS 64 MU geen 65 L Subehannel age eege Aeren 66 L Training Sequence TC 66 e EE 67 L Advanced tab ierit ret ca ad ert i Re rk i rua xS i 67 LORI RNC RTT 67 L Limit Time LECT gd 68 L Enable kef UMi ieren 68 E Enable Right LMt eoii eiiie a th aaien 69 BI 4r EE Uem 69 L Transient Ref Power 69 L Mod RBW 1800 KHz tnt tnt 70 TEE 70 L Wide Mod Freq Uet rentes 70 ENEO DN a 70 L Adap ve Data S so aoes nost dede rok vae c nici s dicen 71 L IQ Correlation Threshold eati rot ti D ntt stained ood 71 M on ME 71 RET TW 41 CNN TET 72 GE EE 72 L Multiple Measurement Mode acthye 72 L Power vs Time tte tt tte tp denne arena Ea natis 72
6. E Wi Setting only GSM See Wide Mod Spectrum on page 80 CONFigure Subsystem CONFigure WSPectrum MODulation LIMIT lt Mode gt This command selects whether the list results power and limit values of the Wide Modulation Spectrum measurement are returned in a relative dB or absolute dBm unit This command is only available when the Wide Modulation Spectrum measure ment is selected see CONFigure WSPectrum MODulation IMMediate on page 139 Parameters for setting and query Mode ABSolute RELative RST RELative Example JI Select Wide Modulation Spectrum measurement II gated zero span measurement CONFigure WSPectrum MODulation IMMediate JI Absolute power and limit results in dBm CONFigure WSPectrum MODulation LIMit ABSolute Run one measurement and query absolute list results READ WSPectrum MODulation ALL I gt 0 929200000 929200000 104 41 65 00 ABS PASSED Mode GSM CONFigure WSPectrum MODulation LIST SELect Mode For Wide Modulation Spectrum measurements this command controls whether offset frequencies are measured up to 1800 kHz or 6000 kHz Tip Select Narrow to improve speed Parameters for setting and query Mode NARRow The measurement is performed for offset frequencies up to 1800 kHz from the carrier this setting improves measurement speed WIDE The measurement is performed for offset frequencies up to 6000 kHz from the carrier RST WIDE
7. 12 neo roten m nnne EES EERERNEESENR REENEN SNE 235 STATusOUEzuonable GvhNCNTRansigon iinun iain aineena iri aankan kEi n 235 STAT s QUES nable SYNC PT Ee EE 236 STATus QUEStionable POWer EVENt This command queries the contents of the EVENt part of the STATus QUEStionable POWer register Readout deletes the contents of the EVENt part Example STAT QUES POW Usage Query only SCPI confirmed Mode all STATus QUEStionable POWer CONDition This command queries the contents of the CONDition part of the STATus QUEStionable POWer register see chapter 5 4 STATus QUEStiona ble POWer Register on page 253 Readout does not delete the contents of the CONDiition part Example STAT QUES POW COND Usage Query only SCPI confirmed Mode all STATus QUEStionable POWer ENABle lt BitDefinition gt This command sets the bits of the ENABle part of the STATus QUEStionable POWer register The ENABle register selectively enables the individual events of the associated EVENt part for the summary bit STATus Subsystem Parameters lt BitDefinition gt 0 to 65535 Example STAT QUES POW ENAB 65535 Usage SCPI confirmed Mode all STATus QUEStionable POWer NTRansition lt BitDefinition gt This command sets the edge detectors of all bits of the STATus QUEStionable POWer register from 1 to 0 for the transitions of the CONDi tion bit Parameters
8. Run a blocking single sweep INITiate IMMediate WAI Export captured UO data to file MMEMory STORe IQ STATe 1 C gsm_2 iqw Now we want to analyze the first capture again Import UO data from file MMEMory LOAD IQ STATe 1 C gsm_l iqw Instead of 1 slots 8 slots should be analyzed CONFigure MS CHANnel MSLots NOFSlots 8 Refresh to apply the changed setting INITiate REFMeas IMMediate lI gt Usage Event Mode GSM Manual operation See Refresh on page 83 INPut Subsystem 4 8 INPut Subsystem The INPut subsystem controls the input characteristics of the RF inputs of the instru ment ele RTE 183 INPUGATT enuatom Spe 183 INPutDIOHISANOGSEUPPSE tenere oct eer eara oou qe ee eve xe Coda ceca 184 IN PUD SRA TE qe T 184 djudslaq T 184 INP EAH AUG EE 185 sie NEW KC 185 INPUt GAINS ease enee 186 INPUES EUG ERE UU 186 INPut ATTenuation lt Value gt This command programs the input attenuator To protect the input mixer against dam age from overloads the setting 0 dB can be obtained by entering numerals not by using the DOWN command The attenuation can be set in 5 dB steps with option R amp S FSV B25 1 dB steps If the defined reference level cannot be set for the set RF attenuation the reference level is adjusted accordingly In the default state with Spectrum mode the attenuation set on the step attenuator is coupled
9. 188 MMEMory LOAD IQ STATe 1 lt FileName gt This command loads the I Q data from the specified i qw file UO data is imported into the capture buffer Then evaluation of the data including aver aging according to Statistic Count is started Averaging automatically stops when the defined Statistic Count or the end of the captured data is reached MMEMory Subsystem Note switch to single sweep mode INIT CONT OFF before importing UO data as otherwise the instrument will continue to measure data and display the current results rather than the imported data Parameters lt FileName gt Complete file name including the path Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and do one measurement INITiatel CONTinuous OFF Set capture time to 1 s SENSel SWEep TIME 1 S JI Activate power vs time measurement CONFigure BURSt PTEMplate IMMediate Run a blocking single sweep INITiate IMMediate WAI Export captured UO data to file MMEMory STORe IQ STATe 1 C gsm_1 iqw Run a blocking single sweep INITiate IMMediate WAI Export captured UO data to file MMEMory STORe IQ STATe 1 C gsm_2 iqw Now we want to analyze the first capture again Import UO data from file MMEMory LOAD IQ STATe 1 C Ngsm 1l iqw Instead of 1 slots 8 slots should be analyzed CONFigure MS CHANnel MSLots NOFSlots 8 Refresh to apply the changed setting INIT
10. Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS RMS MAX Usage Query only Mode GSM FETCh BURSt MACCuracy EVM RMS SDEViation This command reads out the standard deviation of the RMS measurement of the Error Vector Magnitude taken over the selected number of bursts Return values lt Result gt numeric value Standard deviation Default unit NONE Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS RMS SDEV FETCh Subsystem Usage Query only Mode GSM FETCh BURSt MACCuracy FERRor AVERage This command reads out the average measurement of the Frequency Error taken over the selected number of bursts This command is retained for compatibility with R amp S FS K5 only Use the FETCh BURSt MACCuracy FREQuency AVERage command which behaves the same way Return values lt Result gt numeric value Average value De
11. OFDMA WiBro WiMAX IEEE 802 16e OFDMA WiBro measurements option R amp S FSV K93 NF Noise Figure measurements R amp S FSV K30 PHN Phase Noise measurements R amp S FSV K40 PSM Power Sensor measurements option R amp S FSV K9 SFM Stereo FM measurements optionR amp S FSV K7S SPECM Spectogram mode option R amp S FSV K14 TDS TD SCDMA base station UE measurements option R amp S FSV K76 K77 VSA Vector Signal Analysis option R amp S FSV K70 WCDMA 3GPP Base Station measurements option R amp S FSV K72 3GPP UE measure ments option R amp S FSV K73 WLAN WLAN TX measurements option R amp S FSV K91 corresponding options are required o The spectrum analysis mode is implemented in the basic unit For the other modes the Upper Lower Case Notation Upper lower case letters are used to mark the long or short form of the key words of a command in the description The instrument itself does not distinguish between upper and lower case letters Special Characters A selection of key words with an identical effect exists for several commands These keywords are indicated in the same line they are separated by a vertical stroke Only one of these key words needs to be included in the header of the command The effect of the command is inde pendent of which of the keywords is used Example Notation SENSe FREQuency CW FIXed The two following commands with identical meaning can be crea
12. Parameters lt RBW_VBW gt 30000 100000 RBW and VBW in Hz at the given offset frequency CONFigure Subsystem Setting parameters lt OffsetFreq gt offset frequency in Hz Range 1800000 RST 1800000 Example Il Mod Spectrum measurement JI measurement on captured UO data CONFigure SPECtrum MODulation IMMediate Only list results are required CONFigure SPECtrum SELect LIST RBW 100 kHz 1800 kHz offset freq CONFigure SPECtrum MODulation LIST BANDwidth RESolution 1800000 100000 Check set value CONFigure SPECtrum MODulation LIST BANDwidth RESolution 1800000 100000 Run a blocking single sweep INITiate IMMediate WAI Fetch list results table FETCh SPECtrum MODulation ALL Example II Wide Mod Spectrum measurement II gated zero span measurement CONFigure WSPectrum MODulation IMMediate Measure offset freqs up to 1800 kHz only CONFigure WSPectrum MODulation LIST SELect NARRow RBW 100 kHz 1800 kHz offset freq CONFigure SPECtrum MODulation LIST BANDwidth RESolution 1800000 100000 Check set value CONFigure SPECtrum MODulation LIST BANDwidth RESolution 1800000 100000 Run a blocking single sweep INITiate IMMediate WAI Fetch list results table FETCh WSPectrum MODulation ALL Mode GSM Manual operation See Mod RBW 1
13. READ Subsystem READ BURSt MACCuracy EVM RMS CURRent This command starts the measurement and reads out the currently measured RMS value of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Currently measured value Default unit NONE Example READ BURS RMS CURR Usage Query only Mode GSM READ BURSt MACCuracy EVM RMS MAXimum This command starts the measurement and reads out the maximum of the RMS mea surement of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt Result gt numeric value Maximum Default unit NONE Example READ BURS RMS MAX Usage Query only Mode GSM READ BURSt MACCuracy EVM RMS SDEViation This command starts the measurement and reads out the standard deviation of the RMS measurement of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the
14. RST P5 Example BAND TYPE NORM Mode GSM Manual operation See Filter Type on page 69 SENSe BURSt COUNt lt Count gt The remote control command is used to specify the number of measurements to be averaged This command is synonymous with SENSe SWEep COUNt on page 231 Parameters for setting and query lt Count gt numeric value Target statistic count i e number of measurements to be aver aged RST 200 Default unit NONE Example BURS COUN 5 Mode GSM SENSe FREQuency CENTer lt Frequency gt This command defines the center frequency frequency domain or measuring fre quency time domain If the frequency is modified the ARFCN is updated accordingly Parameters Frequency Range 0 to fmax RST fmax 2 Default unit Hz fmax iS specified in the data sheet min span is 10 Hz Example FREQ CENT 100 MHz Manual operation See Frequency on page 54 SENSe Subsystem SENSe FREQuency OFFSet lt Offset gt This command defines the frequency offset Parameters lt Offset gt Range 100 GHz to 100 GHz RST 0 Hz Default unit Hz Example FREQ OFFS 1GHZ Manual operation See Frequency Offset on page 57 SENSe SWAPiq State This command defines whether or not the recorded IQ pairs should be swapped I lt gt Q before being processed Swapping and Q inverts the sideband Try this function if the TSC can not be found Parameters State ON OFF
15. BLANk For a description of the trace modes see the Trace Mode Over view section in the base unit manual PDFavg A PDF of the average trace Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Modulation spectrum graph measurement CONFigure SPECtrum MODulation IMMediate CONFigure SPECtrum SELect FREQdomain INITiate IMMediate JI Switch off the display of all available traces DISPlay WINDowl1 TRACel1 MODE BLANK DISPlay WINDowl1 TRACe4 MODE BLANK JI Switch on the display of all available traces again DISPlay WINDowl TRACel MODE AVERage DISPlay WINDowl TRACe4 MODE WRITe Mode GSM Ka Manual operation See Trace Wizard on page 83 Table 4 1 Available traces and trace modes for the measurement types Measurement Trace 1 Trace 2 Trace 3 Trace 4 Power vs Time AVERage MAXHold MINHold WRITe Graph BLANK BLANK BLANK BLANK EVM vs Time Graph Phase Error vs Time Graph Magnitude Error vs Time Graph Constellation WRITe Graph BLANK Modulation Spec AVERage WRITe trum Frequency BLANk BLANk Domain Transient Spec MAXHold WRITe trum Frequency BLANK BLANk Domain Trigger to Sync WRITe PDFavg Graph BLANK BLANK DISPlay Subsystem DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel OFF Set Value
16. Example TRACe DATA X TRACe2 Returns the Power vs Time values for the maximum trace Example TRACe DATA X TRACel Trigger to Sync measurement Returns the x values time of the center of the histogram bins Usage Query only Mode GSM TRACe lt n gt IQ DATA MEMory lt OffsetSamples gt lt NoOfSamples gt Returns the captured UO data Note The data can be only queried if the measurement is not running Query parameters lt OffsetSamples gt The offset of the values to be read related to the start of the cap tured UO data lt NoOfSamples gt The number of samples to be read Return values lt Result gt a comma separated list of values in floating point format Comma Separated Values CSV The number of values returned is 2 of samples the first half being the I values the second half the Q values The result values are scaled linearly in Volt and correspond to the voltage at the RF input of the instrument Default unit Volt Mode GSM TRIGger Subsystem 4 15 TRIGger Subsystem The TRIGger subsystem is used to synchronize instrument actions with events It is thus possible to control and synchronize the start of a sweep TRiGger lt n gt SEQuence HOL Dem TIME 22 22 22 trier aate tne cuu nc teen ease 238 TRIGgeren SEQuence L EVel EXTernal enuntiatio n tatnen atu aA 238 TRIGgerens SEQuenece LEVSLEIFPOWT teret dee ere lette exert ein 239 TRIGger n SEQuence S OUR Ge 2
17. Mode GSM Manual operation See Modulation Spectrum on page 73 CONFigure MS MULTi SPECtrum SWITching lt State gt Use this command to always include exclude the calculation of the results of the Transient Spectrum measurement when the multiple measurement mode is active see CONFigure MS MULTi STATe Note When activated list results are returned To obtain graphical results use CONFigure SPECtrum SELect FREQdomain see CONFigure SPECtrum SELect on page 135 Parameters for setting and query lt State gt 1 0 ON OFF ON Calculate Transient Spectrum results OFF Do not calculate Transient Spectrum results RST 1 Mode GSM Manual operation See Transient Spectrum on page 73 CONFigure MS MULTi STATe State This command activates the multiple measurement mode Multiple measurement mode means that several measurement results can be calculated on the same UO data cap ture in parallel If it is known in advance which measurement results are required then use the multiple measurement mode to reduce total measurement time When active only the results of the selected measurements are available Measurements that are not selected are not available Parameters for setting and query State 110 ON OFF RST 0 CONFigure Subsystem Example Multiple measurement mode example for a 16QAM signal Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Swit
18. e READAUTO SUBSYSTEM viiciiscccei neice neni nadine t eic du dois 189 READ BURSUSUBSY EE 190 e READ SPECtrum subsystem esses nennen nnne nnns 224 e READSVSPectrum KEE 227 4 11 1 READ AUTO Subsystem READ AUT e Aj PREIS 189 READ AUTO LEVTime This command is used to perform a single measurement to detect the required refer ence level and the trigger offset automatically 4 11 2 READ Subsystem Note that this command is maintained for compatibility reasons only Use CONFigure MS AUTO LEVel and CONFigure MS AUTO TRIGger for new remote control programs Parameters PASSED Fixed value irrelevant Dummy Fixed value 0 irrelevant Return values ReferenceLevel The detected reference level Default unit variable lt TriggerOffset gt The detected time offset between the trigger event and the start of the sweep lt TriggerLevel gt The detected trigger level Range 50 dBm to 20 dBm Example READ AUTO LEVT PASSED 9 2404 0 00000007695 1 4 0 READ BURSt subsystem PBEAD BURSEMACCuraoltALL ttt ttt tette tenente eter testas 191 READ BURG MAC CuracvltAfDRoop AVEHRage eene nennen nnne ne 192 READ BURSI MACCuracy ADRoODp CURRGnt tasti tte ettet xe anui ease ed 192 READ BURG MAC CuracvlADRoop MANimum nnne 192 READ BURSIt MACCuracy ADRoop SDEViation sss 193 READ BURG MAC CuracvlBbOVWer AVERage teen enne nnne nnns 193 READ BURSI MAC
19. on page 20 This is typically a combination of a graph in the upper screen part and a table in the lower screen part You can switch between the screens and select a split screen layout to see all dis plays or a full screen layout to see only the graph or the table in more detail R amp S FSV K10 Instrument Functions GSM Table content in split screen mode o Due to the reduced space available for each result in split screen mode the content of the tables may be reduced Via remote control all results are available in any table state 3 1 2 Modulation Accuracy The fundamental characteristics of the signal to be analyzed in the vector IQ domain are error vector magnitude EVM magnitude and phase error IQ imbalance etc The numerical readings are displayed in the Modulation Accuracy table B Modulation Accuracy Current Average Peak Std Dev Mag Error Phase Error Origin Offset Suppression 1Q Offset IQ Imbalance Frequency Error Burst Power Amplitude Droop 0 66 Mag Error 0 15 Phase Error 0 49 deg Fig 3 1 Modulation Accuracy To display a Modulation Accuracy table select Demod gt Modulation Accuracy see Modulation Accuracy on page 76 and then start a measurement RUN SINGLE RUN CONT key Modulation Accuracy results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the Modulation Ac
20. pulse see 3GPP TS 45 004 Sub chanel 1 bits ao ai Sub chanel 2 bits AL qe 0 81 gt Det m m The proposed AQPSK mapping as assumed in the R amp S FSV K10 software is given in Fig 3 21 AQPSK modulation scheme for GSM systems table 3 7 and illustrated in figure 3 22 where the first leftmost bit corresponds to sub channel 1 and the second rightmost bit corresponds to subchannel 2 SCIPR AQPSK Mapping Table 3 7 AQPSK symbol mappings reproduced from 3GPP TS 45 004 Modulating bits for AQPSK symbol in polar notation aj b Si 0 0 ele 0 1 ei 1 0 en 1 1 elt The AQPSK modulation constellation diagram is shown in figure 3 22 where the value ais an angle related to the SCPIR as follows 3 2 5 3 2 6 Further Information SCPIRgg 20 log o tan a dB Q a MA Qa A ei A 1 1 0 1 Fig 3 22 AQPSK constellation reproduced from 3GPP change request document GP 100275 Transducer factors Transducer factors frequency response correction of external components like power splitters cables or attenuator pads are not supported within the R amp S FSV K10 option Trigger settings The GSM measurements can be performed in Free Run untriggered mode how ever an external trigger or a power trigger can speed up measurements To perform measurements the R amp S FSV K10 needs the frame start as a time reference The R amp S FSV K10
21. 100KHZ 100KHZ 33 78MS 0 _ 0 99500GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99520GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99540GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99560GHZ2 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 _ 0 99580GHZ2 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 _ 0 99600GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99620GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99640GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99660GHZ2 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 _ 0 99680GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99700GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99720GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99740GHZ2 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 _ 0 99760GHZ2 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 _ 0 99780GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99800GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99820GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 0 99840GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KH2 33 78MS 0 _ 0 99860GHZ2 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 0 99880GHZ2 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 0 99900GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KH2 33 78MS 0 _ 0 99920GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 0 99940GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78M
22. CALCulate MARKer1 STATe ON CALCulate MARKer2 STATe ON CALCulate MARKer3 STATe ON CALCulate MARKer4 STATe ON Assign marker 1 2 3 4 to trace 1 2 3 4 CALCulate MARKerl TRACe 1 CALCulate MARKer2 TRACe 2 CALCulate MARKer3 TRACe 3 CALCulate MARKer4 TRACe 4 JI Set marker 2 to start of active part of burst CALCulate MARKer X 0 Read y value level of max trace of marker 2 CALCulate MARKer Y JI Switch all markers off CALCulate MARKerl1 AOFF Mode GSM Manual operation See Marker 1 2 3 4 on page 84 CALCulate lt n gt MARKer lt m gt AOFF This command all markers off including delta markers and marker measurement func tions Suffix lt n gt Selects the measurement window lt m gt depends on mode irrelevant CALCulate Subsystem Example CALC MARK AOFF Switches off all markers Usage Event Manual operation See All Marker Off on page 85 CALCulate lt n gt MARKer lt m gt TRACe Trace This command selects the trace a marker is positioned on The corresponding trace must have a trace mode other than Blank If necessary the corresponding marker is switched on prior to the assignment Suffix lt n gt Selects the measurement window lt m gt depends on mode Selects the marker Parameters lt Trace gt 1 4 Trace number the marker is positioned on Example CALC MARK3 TRAC 2 Assigns marker 3 to trace 2 Manual operatio
23. Example INP1 EATT 10 dB Mode all Manual operation See Electrical Atten on page 58 INPut EATT AUTO State This command switches the automatic behaviour of the electronic attenuator on or off If activated electronic attenuation is used to reduce the operation of the mechanical attenuation whenever possible This command is only available with option R amp S FSV B25 but not if R amp S FSV B17 is active Parameters State ON OFF RST ON Example INP1 EATT AUTO OFF Mode all Manual operation See El Atten State on page 58 See Electrical Atten on page 58 INPut EATT STATe lt State gt This command turns the electronic attenuator on or off This command is only available with option R amp S FSV B25 but not if R amp S FSV B17 is active Parameters lt State gt ON OFF RST OFF Example INP EATT STAT ON Switches the electronic attenuator into the signal path Manual operation See Electrical Atten on page 58 INSTrument Subsystem INPut GAIN STATe lt State gt This command turns the 20 dB preamplifier on and off With option R amp S FSV B22 the preamplifier only has an effect below 7 GHz With option R amp S FSV B24 the amplifier applies to the entire frequency range This command is not available when using R amp S Digital UO Interface R amp S FSV B17 Parameters lt State gt ON OFF RST OFF Example INP GAIN STAT ON Turns the preamplifier on Manual operation See
24. In this case you do not need to start a new measure ment If the Transient Spectrum softkey is not available include Transient Spectrum in the multiple measurement selection or disable the multiple measurement mode Remote command CONFigure SPECtrum SWITching IMMediate on page 136 Display List Graph Spectrum Sets the display mode of the Modulation Spectrum and the Transient Spectrum measurements List Spectrum results are measured at several frequency offsets from the center frequency The results are displayed in a table Graph A spectrum trace is measured and displayed as a graph Remote command CONFigure SPECtrum SELect on page 135 R amp S Support Spectrum See R amp S Support on page 86 Wide Spectrum Displays a menu for Wide Spectrum measurements Note Wide Spectrum measurements are performed using the Spectrum mode and thus require either an external or IF power trigger General Settings Wide Spectrum See General Settings on page 52 Meas Settings Wide Spectrum See Meas Settings on page 60 Wide Mod Spectrum Wide Spectrum Starts a Wide Modulation Spectrum measurement see chapter 3 1 11 Wide Modu lation Spectrum on page 27 Remote command CONFigure WSPectrum MODulation IMMediate on page 139 Import Opens the Choose the file to import dialog box Select the IQ data file you want to import and press ENTER The extension of data files is iqw T
25. ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99940GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99960GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99975GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99980GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99990GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00010GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 00020GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00025GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00040GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 00060GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00080GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00100GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 00120GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00140GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 1 00160GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 00180GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 00200GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 1 00220GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00240GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 1 00260GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 Le 1 00280GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00300GHZ 2 5DBM 13DB ODB NORM 100KHZ
26. ON and Q are exchanged inverted sideband Q j l OFF Normal sideband I j Q RST OFF Example SWAP ON Specifies that IQ values should be swapped Mode WLAN GSM OFDM OFDMA WiBro Manual operation See Swap UO on page 59 SENSe SWEep COUNt lt NumberSweeps gt This command defines the number of sweeps started with single sweep which are used for calculating the average or maximum value If the values 0 or 1 are set one sweep is performed Parameters lt NumberSweeps gt 0 to 32767 RST 0 GSM 200 PHN 1 Example SWE COUN 64 Sets the number of sweeps to 64 INIT CONT OFF Switches to single sweep mode INIT WAI Starts a sweep and waits for its end Manual operation See Statistic Count on page 56 STATus Subsystem SENSe SWEep COUNt CURRent This command returns the current Statistic Count It can be used to track the progress of the averaging progress until it reaches the set Statistic Count see SENSe SWEep COUNt on page 231 Usage Query only SENSe SWEep TIME lt Time gt This command defines the sweep time The range depends on the frequency span Parameters lt Time gt refer to data sheet RST automatic Example SWE TIME 10s Manual operation See Capture Time on page 55 4 13 STATus Subsystem The STATus subsystem contains the commands for the status reporting system for details refer to chapter 5 Status Reporting System on page 250 RST
27. READ BURS ALL READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy ADRoop AVERage This command starts the measurement and reads out the average measurement of the Amplitude Droop taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit dB Example READ BURS ADR AVER Usage Query only Mode GSM READ BURSt MACCuracy ADRoop CURRent This command starts the measurement and reads out the currently measured value of the Amplitude Droop taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Currently measured value Default unit dB Example READ BURS ADR CURR Usage Query only Mode GSM READ BURSt MACCuracy ADRoop MAXimum This command starts the measurement and reads out the maximum measurement of the Amplitude Droop taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried
28. READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy EVM PEAK AVERage This command starts the measurement and reads out the average of the peak mea surement of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit NONE Example READ BURS PEAK AVER Usage Query only Mode GSM READ BURSt MACCuracy EVM PEAK CURRent This command starts the measurement and reads out the currently measured peak value of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Currently measured value Default unit NONE Example READ BURS PEAK CURR Usage Query only Mode GSM READ BURSt MACCuracy EVM PEAK MAXimum This command starts the measurement and reads out the maximum of the peak mea surement of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatic
29. The value can be entered either in seconds or in slots For details refer to chapter 3 2 6 Trigger settings on page 38 Note The duration of one GSM slot equals 15 26 ms 0 576923 ms The duration of one GSM frame 8 slots equals 60 13 ms 4 615384 ms Remote command TRIGger n SEQuence HOLDoff TIME on page 238 Statistic Count Primary Settings General Settings In this field the number of frames to be measured can be set For measurements on the Slot to Measure the statistic count corresponds to the number of bursts slots The default value is 200 in accordance with the GSM standard Remote command SENSe SWEep COUNt on page 231 Softkeys and Settings of the GSM Menu Advanced Settings tab General Settings To modify advanced settings in more detail e g to meet special measurement require ments modify the values for this group of parameters Depending on the selected signal source the available parameters vary General Settings Primary Settings VTT Bsa une Advanced Capture Settings RF Input SENSel FREQuency OFFSet 0 HZ __ i Frequency Offset 0 Hz DISPlay WINDowl TRACel Y SCALe RLEVel 40 DBM a INPutl ATTenuation 10 x Ref Level 40 dBm INPutl ATTenuation AUTO ON yr RF Atten 10 dB INPutl ATTenuation 10 Mechanical Atten Auto INPutl EATT STATe ON _____________ El Atten State on INPutl EATT AUTO ON S e M Electrical Atten Auto INPutl EA
30. i2 EE 73 E Consbellatip k iuis e images ca artc d baa Fa d d c 73 L Modulation Spechrum teens 73 L Transient Spee sii 73 L Mullicarrier EENEG 73 L Multicarrier BT suni tite tpki ax HR EHE ERE KC HPV RA REI 74 L No of active CalTiers eeee icri rte ka nbn ark on eno pote sas 74 i o Pc 74 Softkeys and Settings of the GSM Menu De Eege erated 74 L0 EE 75 L EE 75 L Frame Congoursgon ssena aea Aaaa r ari ei aak eni 75 BEL EE 76 Ree DEE 76 L EE 76 Eege 76 L Modulation ACCU se aai ota reti dari tibt oti det ladies ba dtu eons 76 e e H 77 L EH E 77 VELT EE 77 Beete 77 bt 78 DEE 78 i mE 78 L General Sens edndt esse cb DTE Ehre de baec uale qual Ta DA pocula E pasta d 78 el 78 a NEE 78 el EE 78 EE 79 EE 79 Lk EE 79 L R amp S SUPPO ONE 79 SPO EE 79 B3 0 ET ODE NNNNINONRUN e 79 Ee 79 L Modulation Eet A oci rn ettet e E ebegeg 79 REL UN ANTRO E 79 it s an ici NN D E TM 80 L R amp S get nte EE HEL HER ral idv EU ERE RC RA ADI ER RET EE R TREE 80 Wide SPEO M Eh EEN Een 80 EE 80 L Meas Dellindis iiiter tuv rcr LEE YU a cinia Ere 80 E Wide Mod Fame eecht ccrta coe de Zeta 80 lis mL E 80 d cies 81 v casio e M M 82 General Settings Opens the General Settings dialog box Primary Settings General Settings This tab contains the basic measurement s
31. method especially at low signal to noise ratios but with a loss of measure ment speed This method is recommended for normal bursts with 16QAM or 32QAM modulation and for Higher Symbol Rate bursts with a narrow pulse Tip Use this setting if it reduces the EVM RMS measurement result Remote command CONFigure MS DEMod DECision on page 111 Operating Manual 1176 7526 02 04 71 CONFigure CONFigure CONFigure CONFigure CONFigure CONFigure Mi t MS MS U Mi t MULTi STATe ON 3 MULTi BURSt PTEMplate ON MULTi BURSt DEModulation ON MULTi BURSt CONStell ON MS MULTi SPECtrum SWITching ON Softkeys and Settings of the GSM Menu Tail amp TSC Bits Advanced tab Meas Settings The R amp S FSV K10 demodulator requires the bits of the burst Tail Data TSC Data Tail to provide an ideal version of the measured signal The Data bits can be random and are typically not known inside the demodulator of the R amp S FSV K10 Tail and TSC bits are specified in the Burst dialog box see Burst on page 62 Detected The detected Tail and TSC bits are used to construct the ideal signal Standard The standard Tail and TSC bits as set in the Burst dialog box are used to construct the ideal signal Using the standard bits can be advantageous to verify whether the device under test sends the correct Tail and TSC bits Incorrect bits would lead to peaks in the EVM vs Time trace see ch
32. selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Average value Default unit dB Example FETC BURS BPOW AVER Usage Query only Mode GSM FETCh BURSt MACCuracy BPOWer CURRent This command reads out the currently measured value of the Burst Power taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Currently measured value Default unit dB Example FETC BURS BPOW CURR Usage Query only Mode GSM FETCh Subsystem FETCh BURSt MACCuracy BPOWer MAXimum This command reads out the maximum measurement of the Burst Power taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Maximum Default unit dB Example FETC BURS BPOW MAX Usage Query only Mode GSM FETCh BURSt MACCuracy BPOWer SDEViation This command reads out the standard deviation measurement of the Burst Power taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Standard deviation Default unit dB Example FETC BURS BPOW SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy EVM PEAK AVERage This command reads out the average of the peak measurement of the Error Vecto
33. the results are displayed Mode GSM Manual operation See Measure only on Sync on page 56 CONFigure BURSt subsystem Commands of the Configure BURSt subsystem CONFigure BURSt CONStell IMMediate csceceeeceeeeeeeeeceneneneneaeneaeaeaeneeeeeenenens 128 CONFigure BURSEtETIMe IMMediate esee nennen nemen nnns 129 CONFigure BURSt MACCuracy IMMediate iiec adaini 129 CONFigure BURSEMERRom IMMediate 2 2 d neiii 129 CONFigure BURSt PFERror IMMediate eeeee sees essen enean eniin nnn nnt 129 CONFig ure BURSEPTEMplateEIMMediate 2t eot eot ttt rete tenente 130 GONFigure BURSEPTEMplate F IL Tet oria eor cient tere retener riot e cda duda 130 GONFigure BURSUP TEMbplate SEl eel 12 0 reat edNNNdNA SEENEN ENEE EE Se 131 CONFigure BURSt PTEMplate TALign csse eene nnne nnne rrr aaae 131 CONFigure BURSt CONStell IMMediate This command selects the constellation measurement Example CONF BURS CONS Usage Setting only Mode GSM CONFigure Subsystem Manual operation See Constell on page 77 CONFigure BURSt ETIMe IMMediate This command selects measurement of the EVM Vs time Example CONF BURS ETIM Usage Setting only Mode GSM Manual operation See EVM on page 77 CONFigure BURSt MACCuracy IMMediate This c
34. 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Please use FETCh to query several results READ BURSt SPOWer SLOT1 CURRent MAXimum Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt DELTatosync This command starts the measurement of the Delta to Sync value for the selected slot see chapter 3 1 8 Power vs Time on page 20 This command is only available when the Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix Slot lt 0 7 gt Slot number to measure power on The selected slot must be within the slot scope i e First slot to measure S slot S First slot to measure Num ber of Slots to measure 1 Return values lt Result gt numeric value Default unit dBm READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PvT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Use FE
35. 2 e annii annia KOENEN a qe PAT aia aaa REA 239 TRIGger n 2 SEQuence SYNChronize ADJust AUTO cessisse 239 TRlGoerznztGtOuencelGvhNChrontze ADlustENTema eene 240 TRlGoerznztGtOuencelGvNcChrontze AD JustIrbower nnn 240 TRlGoerznztGtOuencelGvhNChrontze ADJust MMedate nenen enere eerererererersrees 240 TRlGoerznztGtOuencelSvhNChrontze ADJustRtbower enne 241 TRIGger lt n gt SEQuence HOLDoff TIME lt TriggerOffset gt Specifies the time offset between the trigger event e g for an external or power trig ger and the frame start of the GSM signal in seconds Suffix lt n gt lt 1 D Parameters for setting and query lt TriggerOffset gt numeric value RST 0 Default unit S Example TRIG HOLD 1ms Mode GSM Manual operation See Trigger Offset on page 56 TRIGger lt n gt SEQuence LEVel EXTernal lt Level gt This command sets the level of the external trigger source Suffix lt n gt lt 1 D Parameters for setting and query lt Level gt numeric value External trigger level RST 1 4 V Default unit V Example TRIG LEV EXT 1 MV Mode GSM Manual operation See Trigger Level on page 59 TRIGger Subsystem TRIGger lt n gt SEQuence LEVel IFPower lt TriggerLevel gt This command defines the power level at the third intermediate frequency that must be exceeded to cause a trigger event Note that any RF attenuation or preamplification i
36. 3 Set 1 CONFigure MS CHANnel JI Query TSC number Note For backwards compatibility only the TSC number is returned CONFigure MS CHANnel SLOTO TSC I 2 3 JI Query TSC number CONFigure MS CHANnel SLOTO TSC TSC I gt 3 Query Set number CONFigure MS CHANnel SLOTO TSC SET I gt 1 Il 8PSK modulation CONFigure MS CHANnel SLOTO MTYPe PSK8 I TSC 3 CONFigure MS CHANnel SLOTO TSC 3 JI Query TSC number CONFigure MS CHANnel SLOTO TSC I gt 3 Mode GSM Wei LOTO STATe ON Wei LOTO TYPE NB We LOTO MTYPe GMSK We LOTO TSC 3 1 Manual operation See Training Sequence TSC on page 64 CONFigure MS CHANnel SLOT lt s gt TSC USER lt Value gt This command sets the bits of the user definable TSC The number of bits must be in accordance with the defined burst type and modulation as indicated in User TSC on page 65 CONFigure MS CHANnel SLOTO TSC USER must be defined first see CONFigure MS CHANnel SLOT s TSC on page 107 Note This command is not available for AQPSK modulation use CONF igure MS CHANnel SLOT s SUBChannel ch TSC USER on page 106 instead Suffix lt s gt lt 0 7 gt The slot to configure Parameters for setting and query lt Value gt String containg the user defined bits e g 10101111101010101100111100 for a GMSK normal burst Example Mode
37. 56 Limit Check According to standard e Frequency Domain Limit check of maximum Max trace e List Limit check of absolute and relative scalar values e Thelimit masks are generated adaptively from the measured signal e The limits depend on the following parameters Frequency band not for MS Burst Type Modulation Filter not for MS The measured reference burst power 3 1 11 Wide Modulation Spectrum The Wide Modulation Spectrum measurement measures the spectrum due to modu lation at offset frequencies up to 6 MHz from the carrier In principle this measurement provides the same functionality as the existing Modulation Spectrum List measure ment see chapter 3 1 9 Modulation Spectrum on page 23 however the measured offset frequencies are extended past the current limit of 1 8 MHz up to 6 MHz The full list of measured frequencies and filter bandwidths are listed in table 3 4 Contrary to the Modulation Spectrum measurement the Wide Modulation Spectrum measurement uses a series of gated zero span measurements This approach pro vides improved measurement dynamics compared to the Modulation Spectrum approach that is based on captured UO data Operating Manual 1176 7526 02 04 27 Measurements and Result Displays To start a Wide Modulation Spectrum measurement select Wide Spectrum gt Wide Mod Spectrum see Wide Mod Spectrum on page 80 Wide modulation spectrum measureme
38. ATTenuation Example 13 Read out the electrical attenuation dB ElectricalAttn INPut1 EATT Example 0 Do one auto trigger offset measurement Note Correct frame slot configuration assumed Correct level settings reference level and attenuations assumed Do single auto trigger measurement measured and sets the trigger offset Example for a Measurement Performed via Remote Control Note In IF Power trigger mode also the IF power trigger level will be measured and set CONFigure MS AUTO TRIGger ONCE Read out trigger offset just informative Returned value Trigger Offset in seconds TRIGgerl SEQuence HOLDoff Example 7 68923200666904e 008 Read out IF power trigger level just informative Returned value Trigger level in dBm TRIGgerl SEQuence LEVel IFPower Example 34 Read out gating settings for gated Modulation Spectrum Measurement The returned values can be used for the LIST command of the spectrum analyzer The returned values are 1 TriggerOffset Trigger Offset sometimes also called Gate Delay for measuring the Z7 Modulation Spectrum with the LIST command of the spectrum analyzer The time from the trigger to the start of the modulation spectrum fo measurement in seconds 2 lt GateLength gt Gate Length for measuring the Modulation Spectrum with the LIST command of the spectrum analyzer L The
39. Data Size AST Amplitude drop 1 5 neret rettet 14 QPSK EE 31 36 37 63 ARFON iiis edite eter et dete ti 31 33 54 97 Attenuation Electrical 21 nere entere etit evene e 58 External Manual RE oeste eiu ua iy thea ar uie na MS Auto Frame Auto level Auto Level n 98 125 AUTO SET key 75 240 241 A to Track H VE 59 leen ie EE 125 eg Luet 98 B Band class Primary Setlngs ient tents 122 Band Class Primary Setllngs iere renes 121 Bins Number BTS erter BTS Class Burst activating remote control s 101 Burst Configuration rrt tem reet reda 62 Burst Dlalog miren e tet treten ann 62 Burst State F Burst Type C Capture TIME 2 5 oe ere Oc RE Reed Channel number Characters ee EE 89 Commands BI E 88 Constellation aa 18 77 lei d 74 Multi measurement mode sssssssesses 73 D IRC BE VE 68 Demod tab TEE 60 Dig Input Sample Rate Digital lQn eirate a a A 59 DiglConf SOMKEY ET 86 E TE R E EE S 31 Downlink sedo DUT iesus wi Bl Dynami e 103 E ze 31 EDGE Evolution 2 sina tania caa rana cci een 32 35 EGPRS EGPRS2 Electronic input attenuation ESV B25 ge ege Seeerei dee Enable Right Limit Equal Timeslot Length Evaluation FREMOSIIMNG E 83 EVM Mm 77 EVM vS TIME EE 15 71 72 Multi measurement mode esee 73 Ee E 2390 elle ee E 8
40. Ee E EN 4 3 CALCUulate Subsystem e ei eeeetebeddvceesdeceuuaeeesdeoddevateessdeeseustueusustensbuues 91 A A CONFigure S bsystem itte err tenen nne raa ERI cue Pea R aate Fue ER RR dE re cence 95 4 5 DISPl y Subsystem detresse enin Risa SEENEN deet 142 4 6 FEIChSu bsystem niet Pope d uL Re EUH ESA 146 AT INITIate Subsystem tirer et D sic dE DEENEN 181 49 INPutSubsystem otn eene ten DEI REI inci niet P RR EN RR RETE EUE 183 4 99 INSTrument S bsystem erret ex cntedecevenescecensueees Fe enar anea Ea EErEE Sae 186 4 10 MMEMory S bsystem rrt tr P REEF rd ee RH Eed 187 4 11 4 12 4 13 4 14 4 15 4 16 4 17 5 1 5 2 5 3 5 4 READ Subsystem viccciscccccccsicttcccccsisticeccaaeccssstiddaceesssttedescesdcattensscsecceceesestecsecdeeeesesceeses 189 SENSe Subsystern uneiitceiict iiiter tesa sii ei cx E E Redi ER Sa eee Rana 229 STATUS Su bsystem its emerat crt estis aura kadika ae ENEE RES 232 TRACe Subsystem erri enin erii uae a rr ecne adidasa a kou so Rasa Rua nE Pa gua 236 TRIGger Subsystem iei iie ter nti eor aa i rae oio donasa rada a n RE RR 238 Commands for Compatibility eeeeeeeeeseeseseeeeeeeeeeenennn nnne nnns 241 Example for a Measurement Performed via Remote Control 242 Status Reporting System ccccccecssseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
41. JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt JI Switch display on SYSTem DISPlay UPDate ON JI Activate slot 0 CONFigure MS CH D Nnel SLOTO STATe ON JI Deactivate all other slots 1 7 CONFigure MS CHANnel SLOT1 STATe OFF CONFigure MS CHANnel SLOT2 STATe OFF CONFigure MS CHANnel SLOT3 STATe OFF CONFigure MS CHANnel SLOT4 STATe OFF CONFigure MS CHANnel SLOT5 STATe OFF CONFigure MS CHANnel SLOT6 STATe OFF CONFigure MS CHANnel SLOT7 STATe OFF Set slot O to Normal Burst GMSK TSC 0 CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK Set center frequency to 900 MHz SENSe FREQuency CENTer 900MHZ JI Set the Ref level to 0 dom DISPlay WINDowl TRACel Y SCALe RI Read back the Ref Level DISPlay WINDowl TRACel Y SCALe RLEVel RFE JI Choose the Wide Modulation spectrum measurement CONFigure WSPectrum MODulation IMMediate Trigger Mode should be set to Power mode by default TRIGgerl SEQuence SOURce IFPower Run Auto Trigger determine the trigger level and offset CONFigure MS AUTO TRIGger ONCE OPC Read out the trigger level TRIGgerl SEQuence LEVel IFPower Read out the Trigger Offset TRIGgerl SEQuence HOLDoff TIM Set the statistic count to 50 SENSe SWEep COUNt 50 JI Do one measurement and read out the results for all offset fre quencies READ WSPectrum MODulation ALL EVel RF 0
42. KEE 84 Market 16 MaCS et ca cenctbaievcanssenduconcssiun dis EAEAN 85 Marker to Trace remote control sss 94 Marker ZOOM 42 toe ert rere CAE 85 Measurement Settings 35 50 Mech Atten Auto remote control 183 Mech Atten Manual remote control 183 Modulation Accuracy 76 129 Modulation Spector cci titre 79 Phase EMO ic Nea 77 129 Preamp On Off rine nes 58 Preamp On Off remote control 186 PYT eebe deeg tiger we 18 RF Atten Auto remote control sss 183 RF Atten Manual remote control 183 Ris amp Fall onte tente sp TO RISING rassi ierann dr irnia 78 Single Meas remote control sssss 181 Single Sweep remote control 181 SPOCHUIM iusso intra med Sweep Count remote control sssss 231 Sweep Time remote control 232 Sweeptime Manual remote control 2 282 Ur o 79 Transient Spectrum certet rete 79 Trg Gate Source remote control 239 luet Ger RE i Unzoom rennes vue 85 Wide Mod Spectrum aa 80 WIdE SPSCHUM rrr re eren See 80 Softkeys Display List Graph remote control 135 Special characters T SPOCUUIN t Static PCL 4 nderit e rrr Tre ues Statistic e EE Status registers STATus QUEStion
43. Limit Check None 3 1 4 EVM vs Time This measurement displays the error vector magnitude over time The measurement consists of a graph and a table which is a condensed version of the Modulation Accu racy table see chapter 3 1 2 Modulation Accuracy on page 13 p Operating Manual 1176 7526 02 04 15 R amp S FSV K10 Instrument Functions GSM EVM vs Time Graph Fig 3 4 EVM vs Time graph Modulation Accuracy List Std Dev EVM RMS 0 39 0 65 1 28 0 36 96 Peak 6 39 6 71 7 38 0 39 Origin Offset Suppression IO Offset IQ Imbalance Frequency Error Fig 3 5 EVM vs Time values in Modulation Accuracy list To start a EVM vs Time measurement select Demod gt EVM see EVM on page 77 and then start a measurement RUN SINGLE RUN CONT key EVM vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the EVM vs Time softkey is not available include Demod in the multiple measure ment selection or disable the multiple measurement mode The following default settings are used for a EVM vs Time measurement Setting Default Measurement Scope The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Aver
44. Mechanical Atten RF Input Advanced Settings tab General Settings To set the mechanical attenuation edit the following two fields e Inthe MODE dropdown menu either Auto or Manual are available If set to Auto the mechanical attenuator is set automatically by the firmware The default value is Auto e Setthe manual attenuation value of the mechanical attenuator in this field For details see the Mech Att Manual softkey in the base unit Remote command INPut ATTenuation on page 183 INPut ATTenuation AUTO on page 183 El Atten State RF Input Advanced Settings tab General Settings Switches the electronic attenuator on or off This setting is only available with option R amp S FSV B25 When the electronic attenuator is activated the mechanical and electronic attenuation can be defined separately Note however that both parts must be defined in the same mode i e either both manually or both automatically e To define the mechanical attenuation use the Mechanical Atten setting e To define the electronic attenuation use the Electrical Atten setting Remote command INPut EATT AUTO on page 185 Electrical Atten RE Input Advanced Settings tab General Settings To set the electrical attenuation edit the following fields e Inthe MODE dropdown menu either Auto or Manual are available If set to Auto the electrical attenuator is set automatically by the firmware The default value i
45. Multi Carrier base station measurements only the Power vs Time filter and the Measurement filter A signal flow diagram is shown in figure 3 24 to illustrate where the different fil ters are used Further Information Synchronization PvT Measurements Transient Measurement Filter Modulation Spectrum Measurements Fig 3 24 Signal flow diagram highlighting filtering operations 3 2 8 1 Multi Carrier Filter The Multi Carrier filter is only applied to the captured data if the Multi Carrier BTS option is selected see Multicarrier BTS on page 74 This filter is used to suppress neighboring channels which may disturb measurement of the channel of interest The output from the Multi Carrier filter is used to perform synchronization and demodula tion This filter is not applied for Power vs Time or Spectrum measurements For sup pression of neighboring channels in the Power vs Time measurement see the Power vs Time Filter The frequency response of the Multi Carrier filter is shown in fig ure 3 25 Magnitude Response of the Multi Carrier Filter Passband Detail Magnitude dB k eo 600 400 200 0 200 400 500 Frequency kHz Fig 3 25 Frequency Response of the Multi Carrier Filter Further Information 3 2 8 2 Power vs Time Filter The Power vs Time filter is used to suppress out of band interference in the Power vs Time measurement The following filters are available e 1MHz
46. NSP 1 Normal Symbol Rate 6 1625000 s 3 69 us These values are either assumed to be constant according to the 3GPP standard or measured depending on the setting of the Limit Time Alignment parameter Slot to measure or Per Slot B Power vs Time List dBm dBm dB Fig 3 13 Power vs Time list display According to the standard see Timeslot length in 3GPP TS 45 010 there are either eight slots of equal length 156 25 NSP or slot 0 and slot 4 have a length of 157 NSP while all other slots have a length of 156 NSP For details see chapter 3 2 10 Time slot Alignment on page 47 The timeslot length is defined as the distance between the centers of the TSCs in suc cessive slots By setting the Limit Time Alignment parameter to Per Slot the Delta to Sync values can be measured and used in order to verify the timeslot lenghts Setting the Limit Time Alignment to Slot to measure displays the expected values according to the standard and depending on the value of Equal Timeslot Length These values are summarized in table 3 2 Slot to measure 0 No of slots 8 and First slot to measure 0 Table 3 2 Expected Delta to Sync values in normal symbol periods Slot 0 Slot 1 2 3 4 5 6 7 Number to mea sure Equal 0 156 25 312 50 468 75 625 00 781 25 937 50 1093 75 Timeslot Length On Equal 0 157 313 469 625 782 938 1094 Timeslot Length Off Op
47. Normal Symbol Rate on page 45 while the wide pulse was designed based on a numerically optimized set of discrete filter coefficients Both narrow and wide pulse shapes are illustrated at the top of figure 3 31 where you can see that the center of the pulse occurs at 3T with T being the reduced symbol period Let us denote the transmit pulse by c t which may be either the narrow or wide pulse then for a sequence of symbols amp the transmitted signal is defined in the standard as y t 3 8 c t iT 2 57 Note that the standard specifies Further Information The time reference t 0 is the start of the active part of the burst as shown in fig ure 3 31 This is also the start of the symbol period of symbol number 0 containing the first tail bit as defined in 3GPP TS 45 002 The transmitted pulse for the first tail symbol is illustrated at the bottom of figure 3 31 where you can see that the decision instant corresponding to the center of the trans mit pulse occurs in the center of the first symbol period i e at 0 5T EDGE Evo Transmit Pulses FIRE EJ 2 Narrow Pulse IF Wide Pulse E a 05 e E O a E Ka Time Reduced Symbol Periods First Transmitted Symbol Amplitude Narrow Pulse 1 Wide Pulse Amplitude normalized e en Time Reduced Symbol Periods Fig 3 31 EDGE Evolution transmit pulses top and the first transmitted symbols bottom
48. PTEM TRGS SDEV Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt ALL AVERage This command reads out the average power for the selected slot for all measured bursts This command is only available if Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt s gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure lt s lt First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Average value Default unit dBm FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOTO ALL AVERage Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt ALL CRESt This c
49. Preamp On Off on page 58 INPut SELect lt Source gt This command selects the signal source for measurements Parameters lt Source gt RF DIQ RF Radio Frequency RF INPUT connector DIQ Digital IQ only available with R amp S Digital UO Interface option R amp S FSV B17 RST RF Example INP SEL RF Mode A IQ NF TDS VSA CDMA EVDO WCDMA ADEMOD GSM OFDM OFDMA WiBro WLAN Manual operation See Signal Source on page 55 4 9 INSTrument Subsystem The INSTrument subsystem selects the operating mode of the unit either via text parameters or fixed numbers Commands of the INSTrument subsystem INS Timem SE sc eec NEE EEN EEN AEN 187 Lane ien er GE RE 187 4 10 MMEMory Subsystem INSTrument SELect lt Mode gt Selects the operating mode Note that the commands are different for R amp S FSV and R amp S FSQ FSG Parameters for setting and query lt Mode gt SANalyzer MGSM GSM SAN Spectrum analyzer MGSM R amp S FSQ FSG GSM GSM mode R amp S FSV K10 option RST SAN Example INST MGSM Usage SCPI confirmed Mode GSM INSTrument NSELect lt Mode gt Selects the operating mode Note that the commands are different for R amp S FSV and R amp S FSQ FSG Parameters for setting and query lt Mode gt 1 5 1 Spectrum analyzer 5 GSM option R amp S FSV K10 RST 1 Example INST NSEL 5 Usage SCPI confirmed Mode GSM MMEMory Subsystem TEE e Be lee VE 187 MMEMon STObRelO State
50. SPECtrum SWITching on page 120 Multicarrier tab Meas Settings This tab provides settings related to measurements on multi carrier base stations Measurement Settings Demod Advanced IO Auto Set CONFigure MS MCARrier MCBTs ON JY Multi Carrier BTS CONFigure MS MCARrier ACTCarriers 1 gt No of active Carriers CONFigure MS MCARrier BTSClass 1 BTS Class 1 CONFigure MS MCARrier FILTer MC400 PvT Filter 400 kHz MC Softkeys and Settings of the GSM Menu Multicarrier BTS Multicarrier tab Meas Settings This parameter informs the R amp S FSV K10 that the measured signal is a multi carrier signal This function is only available if the Device Type is a BTS type see Device Under Test Type on page 53 Activating this checkbox has the following effects e An additional multi carrier filter is switched into the demodulation path of the R amp S FSV K10 This filter can for example suppress up to six adjacent channels with a channel spacing of 600 kHz from the measured channel at the set center frequency and 30 dB higher power compared to the measured channel This filter is also taken into account during the generation of the ideal reference signal in order to get meaningful EVM values Otherwise there would be an increase in EVM because the measured signal has a smaller bandwidth compared to the refer ence signal The constellation diagram of normal bursts with GMSK modulation then
51. Settings of the GSM Menu 300 kHz MC Recommended for measurement scenarios where a total of six chan nels is active and the channel to be measured has a reduced power e g 30 dB compared to its adjacent channels Remote command CONFigure MS MCARrier FILTer on page 117 Auto Set tab Meas Settings Select the parameters to be set automatically when you press the AUTO SET key or Auto Set softkey Auto Set CONFigure MS AUTO LEVel ON gt CONFigure MS AUTO LEVel ONCE CONFigure MS AUTO FRAMe ON gt f Lon CONFigure MS AUTO FRAMe ONCE CONFigure MS AUTO TRIGger ON CONFigure MS AUTO TRIGger ONCE Level Auto Set tab Meas Settings When activated a single auto level measurement is performed when the AUTO SET key is pressed Press the button to perform a single auto level measurement immediately Remote command CONF AUTO LEV ON Execute Auto Level on Auto Set CONF AUTO LEV OFF Do not execute Auto Level on Auto Set CONF AUTO LEV ONCE Perform one Auto Level measurement immediately see CONFigure MS AUTO LEVel on page 98 Frame Configuration Auto Set tab Meas Settings When activated a single auto frame configuration measurement is performed when the AUTO SET key is pressed The auto frame configuration measurement may take a long time therefore it is deacti vated by default The following parameters are detected and automatically
52. Slot to Configure Demod tab Meas Set tings Sets the bits of the user defined TSC The number of bits depend on the burst type and the modulation and is indicated in the table below Note For AQPSK modulation the user defined TSC is defined for each subchannel see User TSC on page 67 CONFigure CONFigure CONFigure CONFigure CONFigure CONFigure CONFigure CONFigure MS CONFigure CHANnel SLOTO STATe ON MM HANnel SLOTO TYPE NB CHANnel SLOTO MTYPe AQPSk _____________ HANnel SLOTO SCPir 4 cd HANnel SLOTO FILTer LiNearised gt 3 CHANnel SLOTO SUBChannell TSC 0 1 9 CHANnel SLOTO SUBChannell TSC USER 01 0 W amp CHANnel SLOTO SUBChannel2 TSC 0 2 M CHANnel SLOTO SUBChannel12 TSC USER 01 0 M99 Softkeys and Settings of the GSM Menu Table 3 9 Number of TSC bits depending on burst type and modulation Burst Type Modulation Number of Bits Normal GMSK 26 Normal 8PSK 78 Normal 16QAM 104 Normal 32QAM 130 Higher Symbol Rate QPSK 62 Higher Symbol Rate 16QAM 124 Higher Symbol Rate 32QAM 155 Access Burst GMSK 41 Remote command CONFigure MS CHANnel SLOT s TSC USER on page 109 Subchannel 1 2 Burst Frame Select Slot to Configure Demod tab Meas Settings For AQPSK modulation the training
53. The IQ correlation threshold decides whether a burst is accepted if Measure only on Sync is activated see CONFigure MS SYNC ONLY on page 128 If the correlation value between the ideal IQ signal of the given TSC and the measured TSC is below the IQ correlation threshold then the application reports Sync not found in the status bar Additionally such bursts are ignored if Measure only on Sync is activated CONFigure Subsystem Parameters for setting and query lt Value gt numeric value IQ Correlation Threshold Range 0 to 100 RST 85 Default unit NONE Example CONF SYNC IQCT 98 Mode GSM Manual operation See IQ Correlation Threshold on page 71 CONFigure MS SYNC MODE Value This command sets the synchronization mode of the R amp S FSV K10 Parameters for setting and query Value ALL TSC BURSt NONE ALL First search for the power profile burst search according to the frame configuration in the capture buffer Second inside the found bursts search for the TSC of the Slot to measure as given in the frame configuration ALL is usually faster than TSC for bursted signals TSC Search the capture buffer for the TSC of the Slot to measure as given in the frame configuration This mode corresponds to a correlation with the given TSC This mode can be used for conti nous but framed signals or bursted signals BURSt Search for the power profile burst search according to the frame c
54. This bit is set if no burst is found during a measurement except for e Wide Modulation Spectrum measurement That is for all UO based measurements If a burst is found in these measurements the bit is reset 1 SYNC not found This bit is set if the synchronization sequence training sequence of the midamble is not found during a measurement except for e Wide Modulation Spectrum measurement That is for all UO based measurements If the synchronization sequence training sequence of the midamble is found in these measurements the bit is reset STATus QUEStionable POWer Register 2 to 14 These bits are not used 15 This bit is always 0 5 4 STATus QUEStionable POWer Register The STATus QUEStionable POWer register contains information about possible over load situations that may occur during operation of the R amp S FSV You can read out the register with STATus QUEStionable POWer CONDition or STATus QUEStionable POWer EVENt Table 5 1 Meaning of the bits used in the STATus QUEStionable POWer register Bit No Meaning 0 OVERIoad This bit is set if an overload occurs at the RF input The R amp S FSV displays the enhancement label OVLD 1 UNDerload This bit is set if an underload occurs at the RF input The R amp S FSV displays the enhancement label UNLD 2 IF OVerload This bit is set if an overload occurs in the IF path The R amp S FSV displays the en
55. This command specifies the external attenuation or gain applied to the RF signal A positive value indicates attenuation a negative value indicates gain Displayed power level values are shifted by this value For details refer to the Reference Level Offset softkey of the base unit This command is not available for signals from the Digital Baseband Interface R amp S FSV B17 Suffix lt n gt lt 1 D irrelevant lt t gt lt 1 4 gt irrelevant Parameters for setting and query lt Value gt numeric value External attenuation positive or gain negative RST 0 dB Default unit dB Example DISP TRAC Y SCAL RLEV OFFS 10 DB Mode GSM Manual operation See External Attenuation on page 54 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel RF Value This command can be used to retrieve or set the current internal instrument reference level for RF input used when performing measurements Suffix n 1 D irrelevant lt t gt lt 1 4 gt irrelevant Parameters for setting and query lt Value gt numeric value Reference level of RF input RST 20 dBm Default unit dBm Example DISP TRAC Y SCAL RLEV 20 DBM Mode GSM Manual operation See Reference Level on page 54 See Ref Level on page 57 FETCh Subsystem 4 6 FETCh Subsystem 4 6 1 The FETCh Subsystem contains commands for reading out results of complex mea surement tasks The following subsystems are i
56. UO capture In order to improve the measurement speed set the capture time to 10 ms see Capture Time on page 55 p S Operating Manual 1176 7526 02 04 19 R amp S FSV K10 Instrument Functions GSM 3 1 8 Power vs Time The Power vs Time PvT measurement is the most important GSM measurement in the time domain It displays the power of all slots bursts in the selected slot scope see chapter 3 2 7 Defining the Scope of the Measurement on page 39 and runs an evaluation against the specified template mask The measurement consists of a graph showing the Power vs Time trace including the limit lines and a table that displays the slot powers of all slots in the slot scope In the graph display it is possible to focus on different parts of the signal e Full on page 78 Displays all bursts in the slot scope e Rising on page 78 Displays rising edges only the rest of the burst is removed e Falling on page 79 Displays fallling edges only the rest of the burst is removed e Rise amp Fall on page 79 Rising and falling edges zoomed e Top on page 79 Useful part high resolution same as Full on page 78 but y axis zoomed To start a Power vs Time measurement select PvT and then the required measure ment type Then start a measurement RUN SINGLE R
57. active multiple measurement See chapter 3 1 2 Modulation Accuracy on page 13 chapter 3 1 4 EVM vs Time on page 15 chapter 3 1 3 Phase Error vs Time on page 14 chapter 3 1 5 Magnitude Error vs Time on page 16 Remote command CONFigure MS MULTi BURSt DEModulation on page 119 Constellation Multi Meas Tab Meas Settings If enabled the results of the Constellation measurement see chapter 3 1 6 Constel lation on page 18 are included in an active multiple measurement Remote command CONFigure MS MULTi BURSt CONStel11 on page 118 Modulation Spectrum Multi Meas Tab Meas Settings If enabled the results of the Modulation Spectrum measurement see chapter 3 1 9 Modulation Spectrum on page 23 are included in an active multiple measurement Note By default list results are calculated To receive graph results set the Display List Graph softkey to Graph see Display List Graph on page 80 Remote command CONFigure MS MULTi SPECtrum MODulation on page 119 Transient Spectrum Multi Meas Tab Meas Settings If enabled the results of the Transient Spectrum measurement see chapter 3 1 10 Transient Spectrum on page 26 are included in an active multiple measurement Note By default list results are calculated To receive graph results set the Display List Graph softkey to Graph see Display List Graph on page 80 Remote command CONFigure MS MULTi
58. by touching can also be clicked using an additionally connected mouse The alternative procedure using the keys on the instrument or the on screen keyboard is only described if it deviates from the standard operating procedures The term select may refer to any of the described methods i e using a finger on the touchscreen a mouse pointer in the display or a key on the instrument or on a key board How to Use the Help System 1 3 How to Use the Help System Calling context sensitive and general help gt To display the general help dialog box press the HELP key on the front panel The help dialog box View tab is displayed A topic containing information about the current menu or the currently opened dialog box and its function is displayed For standard Windows dialog boxes e g File Properties Print dialog etc no context sensitive help is available P Ifthe help is already displayed press the softkey for which you want to display help A topic containing information about the softkey and its function is displayed If a softkey opens a submenu and you press the softkey a second time the submenu of the softkey is displayed Contents of the help dialog box The help dialog box contains four tabs e Contents contains a table of help contents e View contains a specific help topic e Index contains index entries to search for help topics e Zoom contains zoom functions for the help display To cha
59. duration of the time interval over which the Modulation Spectrum measurement is made in seconds READ SPECtrum WMODulation GATing Example 0 000323031 0 0001689 Go back to spectrum analyzer to perform the list measurement there INSTrument SELect SANalyzer Reference Power measurement NEE Setup for the list measurement Input parameters Pl l PEAK meas OFF Z7 2 lt RMS meas gt OFF 3 lt AVG meas gt ON Example for a Measurement Performed via Remote Control L 4 lt trigger mode gt IFP i e IF power trigger 5 lt trigger slope gt POS i e positive trigger polarity 6 lt TriggerOffset gt 323 US Take lt TriggerOffset gt value returned above from READ SPECtrum WMODulation GATing command K 7 lt GateLength gt 169 US Take lt GateLength gt value returned above from READ SPECtrum WMODulation GATing command SENSe1 LIST POWer SET OFF OFF ON IFP Do the list power mesaurement at the center frequency POS 323 US 169 US The returned value is the reference power dBm Input parameters 1 lt CenterFreq gt 1 GHZ H 2 lt RefLevel gt 2 5 dBm Take lt RefLevel gt value returned above from DISPlay WINDowl TRACel Y SCALe RLEVel command 3 lt RfAttn gt 13 dB Take lt RfAttn gt value returned above from INPutl ATTenuation command 4 lt ElectricalAttn gt 0 Take lt ElectricalAttn gt v
60. following remote commands FETCH FETCh FETCh FETCH FETCh FETCh FETCh B B RSt Rot RSt RSt Rot RSt RSt SPOWer SPOWer SPOWer SPOWer SPOWer SPOWer SPOWer SLOT lt s gt ALI S 1 AVERage on page 170 SLOT lt s gt ALL CRESt on page 171 SLOT lt s gt ALL MAXimum on page 172 SLOT lt s gt CURRent AVERage on page 173 SLOT lt s gt CURRent CRESt on page 174 LOT lt s gt CURRent MAXimum on page 175 3 1 9 Modulation Spectrum SLOT lt s gt DELTatosync on page 176 The Modulation Spectrum measurement evaluates the spectral property shape and values at certain fixed frequency offsets of a certain part of the burst 50 to 90 of R amp S FSV K10 Instrument Functions GSM the useful part excluding the training sequence TSC by measuring the average power in this part over several bursts The results of this measurement can be displayed in a graph or list C The full list of measured frequency and filter bandwidths is provided in Modulation Spectrum Frequency Domain Avg Fig 3 14 Frequency Domain of modulation spectrum with traces and limits red Modulation Spectrum List 1800 Fig 3 15 Results Table in Modulation Spectrum Operating Manual 1176 7526 02 04 24 Measurements and Result Displays To start a Modulation Spectrum measurement select Spectrum gt Modulation Spec
61. measured e Active slots Slot configuration burst type modulation filter TSC Equal time slot length For VAMOS normal burst and GMSK TSCs of set 1 and set 2 For VAMOS normal burst and AQPSK TSCs of both subchannels restrictions see table 3 6 and SCPIR Press the button to perform a single auto frame configuration measurement immedi ately Note The auto frame configuration typically does not work with frequency hopping systems unless the trigger offset is set correctly In this case not every frame is popu Softkeys and Settings of the GSM Menu lated by a modulated GSM signal A workaround is to use auto frame configuration with a manually set trigger offset Set Synchronization None Set the trigger offset manually in the Power vs Time measurement Set Synchronization back to Burst TSC or TSC Deactivate the Trigger check box in the Auto Set tab Press the AUTO SET key to run the auto frame configuration measurement Remote command CONF AUTO FRAM ON Execute Auto Frame Configuration on Auto Set CONF AUTO FRAM OFF Do not execute Auto Frame Configuration on Auto Set CONF AUTO FRAM ONCE Perform one Auto Frame Configuration measurement immediately see CONFigure MS AUTO FRAMe on page 97 Trigger Auto Set tab Meas Settings If activated the following parameters are detected and automatically measured when the AUTO SET key is pressed e Trigger Offset for external and IF po
62. measurement specifications and limit values for mobile stations MS e 3GPP TS 51 021 Detailed measurement specifications and limit values for base transceiver stations BTS To open the GSM menu e fthe GSM mode is not the active measurement mode press the MODE key and activate the GSM option by selecting GSM e fthe GSM mode is already active press the HOME key The GSM menu is displayed Menu and softkey description For a description of the GSM specific softkeys see chapter 3 3 Softkeys and Settings of the GSM Menu on page 50 The Span BW Mkr Func Lines menus are not available in GSM mode The UNDO REDO functions are not available in GSM mode For all menus not described here see the description of the R amp S FSV base unit To display help to a softkey press the HELP key and then the softkey for which you want to display help To close the help window press the ESC key For further infor mation refer to section How to use the Help System e Measurements and Result Displays 2 esee 12 Eurer Infortrellpli eiie dic oc dod rtt alien ed d ace itr d a Ri cs 31 e Softkeys and Settings of the GSM Meriu iiic vein e eene 50 PREO KOy 82 XE E RE 82 3 1 Measurements and Result Displays AVTO E RE 82 SWEEP Co 83 e TRACE EE 83 TRIG o EE EUER 84 e Softkeys of the Marker Menu MKR key 84 e Softkeys of t
63. multiple measurement mode The following default settings are used for a Magnitude Error vs Time measurement Setting Default Measurement Scope The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Averaging Configuration Number of bursts as selected in Statistic Count in General Settings see Statistic Count on page 56 Limit Check None EH Operating Manual 1176 7526 02 04 17 R amp S FSV K10 Instrument Functions GSM 3 1 6 Constellation This measurement displays the constellation diagram The measurement consists of a graph and a table which is a condensed version of the Modulation Accuracy table see chapter 3 1 2 Modulation Accuracy on page 13 Constellation Constellation Constellation Modulation Accuracy po Current Unit EVM RMS 0 27 Peak 0 66 Mag Error RMS 0 20 Peak 0 57 Phase Error RMS Peak Origin Offset Suppression IQ Offset IO Imbalance Frequency Error Burst Power 30 36 dBm Amplitude Droop 0 00 dB Fig 3 8 Constellation To display a Constellation diagram select Demod gt Constell see Constell on page 77 and then start a measurement RUN SINGLE RUN CONT key Constellation diagrams can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the Constell softkey is not available include Constellation in the m
64. occurs exactly at the decision instant of symbol 88 EDGE Symbol 73 Decision GMSK Symbol 74 Decision EDGE Symbol 74 Decision Middle of Midamble Symbol 88 Decision Normal Symbol Periods Reduced Symbol Periods Fig 3 33 Middle of midamble for normal and reduced symbol period bursts Timeslot Alignment The standard document 3GPP TS 45 010 provides details on the alignment of slots within the GSM frame Optionally the BTS may use a timeslot length of 157 normal symbol periods on time slots with TN 0 and 4 and 156 normal symbol periods on timeslots with TN 1 2 3 5 6 7 rather than 156 25 normal symbol periods on all timeslots The alignment of slots therefore falls under the Not Equal Timeslot Length Equal Timeslot Length off or the Equal Timeslot Length Equal Timeslot Length on cri Further Information terion see also Equal Timeslot Length on page 62 which are illustrated in fig ure 3 34 See 0 Sit 1 Sit 2 Seis Shot 4 Sot S Shot 6 Sto 7 Middle ot Mode of Middle ot Middle ot Middle ot Midde ot Middle of Middle of Midamble Midamble Midamble Midaenble Midamble Midamble Midamble Midamble 157 NSP 156 NSP 156 NSP 156 NSP 157 NSP 158 NSP 156 NSP 186 NSP 1884 RSP 1872 RSP 187 2RSP 1872 RSP 1884 RSP 1872 RSP 1872RSP 187 2 RSP Sep Siot 1 Slot 2 Sio 3 Slot 4 Sot 5 Slot 8 Siot 7 Middle of Middie of Middle of Made of Middle of Midde of Middle of Midde of Midamble Midamble Midam
65. of active Carriers ssssssssssseeeee 25 74 Normal bursts sssssssesseeeenenenne 34 47 Normal symbol period rrr 44 45 Mis MH 34 Number of Slots to measure 22 01 remote control eessssssssssssseeenneenn 100 O Online help Working with M OOS cx Ue o Mee UE EL E Options pipi EE 184 RF Preamplifier B22 see 58 Origin Offset Suppression seseeeeee 14 P Se sensen E N rei 23 31 103 Phase ErtOt EE 77 Phase Error vs Time wee 14 Multi measurement mode sssssssess 73 Power Class 54 123 PoWer VS TIME 43 5 tici erdt Ue BE eri ee 20 Multi measurement mode sssssssese 72 Preamplifier B22 sich rcr ntt tette 58 PVT 4 o riore eere 91 78 PWT FIET ront ertet nero itae read 67 74 Q QPSK ess s ertet nter eedia 31 32 35 R R amp S Support Co cram I 86 Reduced symbol period d Ref Level Auto 1 2 ccaes dictse naeia Loop in co Sr EEEE 54 Reference level rre Automatic RF Preamplifier B22 Rising SOMKOY ws cas 78 Root Menu e 50 RX Settings SOMK OY 86 S Sample rate Digital UO Interface remote control 184 Digital e EE 59 SCPI Conformity information seisis eee eee ceeeeeeeeneeteees 88 SCPIR Sequence E
66. on page 56 Return values lt Result gt numeric value Average value Default unit dB Example FETC BURS OSUP AVER Usage Query only Mode GSM FETCh BURSt MACCuracy OSUPpress CURRent This command reads out the currently measured value of the IQ Offset Suppression taken over the selected number of bursts see Statistic Count on page 56 FETCh Subsystem Return values lt Result gt numeric value Currently measured value Default unit dB Example FETC BURS OSUP CURR Usage Query only Mode GSM FETCh BURSt MACCuracy OSUPpress MAXimum This command reads out the maximum measurement of the IQ Offset Suppression taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Maximum Default unit dB Example FETC BURS OSUP MAX Usage Query only Mode GSM FETCh BURSt MACCuracy 0SUPpress SDEViation This command reads out the standard deviation measurement of the IQ Offset Sup pression taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Standard deviation Default unit dB Example FETC BURS OSUP SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy PERCentile EVM This command reads out the 95 percentile of the Error Vector Magnitude measure ment taken over the selected number of bursts Return values lt
67. on page 61 CONFigure MS CHANnel MSLots OFFSet lt Value gt This command specifies the start for the measurement interval for multi slot measure ments i e the Power vs Time and Transient Spectrum measurements relative to the GSM frame boundary CONFigure Subsystem Parameters for setting and query lt Value gt numeric value First slot to measure in multi slot measurements relative to the GSM frame start Range 0 to 7 RST 0 Slots Default unit NONE Example CONF CHAN MSL OFFS 5 Mode GSM Manual operation See First Slot to measure on page 61 CONFigure MS CHANnel SLOT lt s gt STATe State This command activates this slot this means for example that this slot is not consid ered as inactive in the PvT limit evaluation Suffix sg lt 0 7 gt Select the slot to configure Parameters for setting and query lt State gt 110 ON OFF RST Slot 0 1 Slot 1 7 0 Example CONF CHAN SLOT1 ON Mode GSM Manual operation See Active on page 63 CONFigure MS CHANnel SLOT lt s gt FILTer Value This command specifies the pulse shape of the transmit filter of the specified slot Suffix lt s gt lt 0 7 gt the slot to configure Parameters for setting and query lt Value gt GMSK LINearised NARRow WIDE GMSK GMSK Pulse LiNearised Linearised GMSK Pulse NARRow Narrow Pulse WIDE Wide Pulse RST GMSK CONFigure Subsystem Example CONF CHAN SLOT F
68. or Set 2 e AQPSK bursts with any combination of TSCs from Set 1 and 2 on the subchannels e AQPSK bursts with a user specified SCPIR The following measurement of the above signals are supported e Auto Trigger Offset e Powervs Time e Demod Modulation Accuracy EVM vs Time Phase Error vs Time Magnitude Error vs Time Constellation e Spectrum modulation transient including limit check e Wide Spectrum modulation including limit check Restriction Auto Frame configuration only detects AQPSK normal bursts where the subchannels have a TSC according to table 3 6 The SCPIR value is detected with a resolution of 1 dB To obtain reliable measurement results on AQPSK normal bursts compare the auto detected slot settings with the settings of your device under test Operating Manual 1176 7526 02 04 36 Further Information Table 3 6 Required subchannel TSC assignment for AQPSK auto frame configuration AQPSK Subchannel 2 TSC j Set 1 TSC j Set 2 0 1 Sub TSC cha i nnel Set 1 1 3 2 4 AQPSK Modulation The AQPSK modulation scheme as proposed for use in GSM systems is illustrated in figure 3 21 First the bits from two users subchannels 1 and 2 are interleaved The combined bit sequence is then mapped to an AQPSK constellation which depends on the SCPIR value The AQPSK symbols are then modulated using the linearized GMSK
69. or deactivates the selected slot Remote command CONFigure MS CHANnel SLOT s STATe on page 101 Burst Type Burst Frame Select Slot to Configure Demod tab Meas Settings Assigns a burst type to the selected slot The following burst types are supported e Normal NB e Higher Symbol Rate HB e Access Burst AB Remote command CONFigure MS CHANnel SLOT lt s gt TYPE on page 110 Modulation Burst Frame Select Slot to Configure Demod tab Meas Settings Select the modulation to be used in the slot The available selections depend on the burst type The following modulation types are supported depending on the burst type Modulation Normal Burst NB Higher Symbol Rate Access Burst AB HB GMSK X x QPSK x 8PSK x E 16QAM x x 32QAM x x AQPSK D Remote command CONFigure MS CHANnel SLOT lt s gt MTYPe on page 102 SCPIR Burst Frame Select Slot to Configure Demod tab Meas Set tings This parameter is only available for AQPSK modulation It specifies the Subchannel Power Imbalance Ratio SCPIR The value of SCPIR affects the shape of the AQPSK constellation see chapter 3 2 4 AQPSK Modulation on page 37 For an SCPIR of 0 dB the constellation is square as in normal QPSK while for other values of SCPIR the constellation becomes rectangular Remote command CONFigure MS CHANnel SLOT s SCPir on page
70. power vs time measurement and the questionable signal power of the main measurement is related to the slot to synchronize In the main measurement of power vs time the slot to synchronize defines the synchronization point of the multi slot signal on the screen All results of the phase frequency error and modulation accu racy measurement are related to the slot to synchronize In carrier power and modulation spectrum measurement the slot to synchronize is used to adjust the trigger delay so that the slot to synchronize is measured With the slot to synchronize it is therefore possible to investigate a certain slot of multislot signals Note This command is retained for compatibility with R amp S FS K5 only Refrain from using this command in new K10 remote scripts and use pure K10 remote commands instead Suffix lt s gt lt 0 7 gt irrelevant Parameters for setting and query lt Value gt ACT1sync1 ACT2sync1 ACT2sync2 ACT3sync1 ACT3sync2 ACT3sync3 ACT4sync1 ACT4sync2 ACT4sync3 ACT4sync4 ACT5sync1 ACT5sync2 ACT5sync3 ACT5sync4 ACT5sync5 ACT6sync1 ACT6sync2 ACT6sync3 ACT6sync4 ACT6sync5 ACT6sync6 ACT7sync1 ACT7sync2 ACT7sync3 ACT7sync4 ACT7sync5 ACT7sync6 ACT7sync7 ACT8sync1 ACT8sync2 ACT8sync3 ACT8sync4 ACT8sync5 ACT8sync6 ACT8sync7 ACT8sync8 For ACT lt k gt sync lt m gt the following settings are defined Slot to measure is set to m 1 No of Slots is set
71. returns an error Usage Query only 4 17 Example for a Measurement Performed via Remote Control The following remote control program switches to the GSM measurement mode defines the settings and measures the gating settings It then switches back to the spectrum analyzer mode to perform a list measurement For basic information on remote control see the Remote Basics chapter in the base unit description Script for MODULATION SPECTRUM MEASUREMENT This script allows the user to define the offset frequencies the filter type gaussian or 5 pole This script uses The K10 GSM mode to measure the gating settings see READ SPECtrum WMODulation GATing The Spectrum Analyzer to perform the list measurement see SENSe1 LIST POWer subsystem an IF power trigger Assumes the following signal 1 GHz GSM Signal with 0 dBm Power Slot 0 1 2 3 4 5 6 7 Power on on on on on on on on TSC 0 1 2 3 4 5 6 7 GSM mode K10 Enter the GSM option K10 INSTrument SELect GSM Example for a Measurement Performed via Remote Control Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Configure first slot slot 0 Normal burst GMSK TSC 0 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 0 C
72. sequence and user defined TSC are defined for each subchannel Burst Slot 0 Data 116 Training Sequence TSC Subchannel 1 2 Burst Frame Select Slot to Con figure Demod tab Meas Settings Selects the training sequence and the set of the selected subchannel of a single slot for AQPSK modulation TSC 0 TSC 7 Set 1 2 Selects a standard TSC of Set 1 2 that complies with the GSM stand ard For subchannel 1 only Set 1 is available USER Selects a user defined TSC see User TSC on page 67 Remote command CONFigure MS CHANnel SLOT s SUBChannel ch TSC on page 105 Softkeys and Settings of the GSM Menu User TSC Subchannel 1 2 Burst Frame Select Slot to Configure Demod tab Meas Settings Sets the 26 bits of the user defined TSC of the selected subchannel for AQPSK modu lation Remote command CONFigure MS CHANnel SLOT lt s gt SUBChannel lt ch gt TSC USER on page 106 Advanced tab Meas Settings This tab contains settings related to the Power vs Time Modulation Spectrum and Transient Spectrum measurements Measurement Settinqs Demod ETS Power vs Time CONFigure BURSt PTEMplate FILTer G1000 PvTFilter 1 MHz Gauss ure BURSt PTEMplate TALign STM gt Limit Time Alignment Slot to measure Modulation Transient Spectrum CONFigure SPECtrum LIMit LEFT ON w Enable Left Limit v4 CONFigure SPECtrum L
73. sure see chapter 3 1 10 Transient Spectrum on page 26 e All results that require demodulation of one slot and their statistical analysis e g Modulation Accuracy Phase Error vs Time and EVM vs Time jm Slot to measure 3 First Slot to measure 2 No of Slots to measure 5 Fig 3 23 Concept of First Slot to measure Number of Slots to measure and Slot to Measure The measurement interval is set in the Demod tab of the Meas Settings dialog and it is visualized above by a filled green box and the parameter Slot to Measure is visualized by a filled yellow box Further Information Measurement Settings mm Advanced Multi Carrier Auto Set Single Slot Measurements Used for Modulation Accuracy EVM CONFigure MS CHANnel MSLots MEASure 0 gt Slot to measure 0 Phase Magnitude Error Modulation Spectrum N Reference Power Timing Reference Sync Multi Slot Measurements Used for CONFigure MS CHANnel MSLots NOFSlots 1 No ofSlotsto measure 1 Power vs Time CONFigure MS CHANnel MSLots OFFSet 0 gt First Slot to measure 0 m t Frame Configuration Mode Framed CONFigure MS CHANnel FRAMe EQUal ON M9 Equal Timeslot Length Le Frame Select Slot to configure 3 2 8 Overview of filters in R amp S FSV K10 The R amp S FSV K10 measurement application requires a number of filters for different stages of signal processing These include the Multi Carrier filter for
74. the maximum of the RMS measurement of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Maximum Default unit NONE Example FETC BURS PERR RMS MAX Usage Query only Mode GSM FETCh BURSt MACCuracy PERRor RMS SDEViation This command reads out the standard deviation of the RMS measurement of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Standard deviation Default unit NONE FETCh Subsystem Example FETC BURS PERR RMS SDEV Usage Query only Mode GSM FETCh BURSt PTEMplate TRGS AVERage This command reads out the average of the time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of I Q captures see Statistic Count on page 56 This command is only available if an external trigger is selected and the Trigger to Sync measure ment is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Average value Default unit S Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate JI Set minimum capture time to spee
75. the service request The output buffer contains the messages the instrument returns to the controller It is not part of the status reporting system but determines the value of the MAV bit in the STB Description of the Status Registers All the status registers are the same as those provided by the base system with the exception of the following STATus OPERation Although this register is provided by R amp S FSV Kernel main R amp S FSV K10 makes use of bits in this register which are not used within R amp S FSV Kernel main e STATus QUES SYNC Although this register is provided by the base system the GSM option R amp S FSV K10 uses different bits and definitions e STATus QUES LIMit This register is provided by the base system however in the GSM option R amp S FSV K10 there is only 1 limit register combining all dis played limits Limit lines are only available in screen A which displays the traces while screen B displays the measurement results as a list The deviations from the status register structure of the base system are described below Operating Manual 1176 7526 02 04 250 STATus OPERation Register e STIATus OPERation REGIStEM 00c ccescecssennseteceetaeescdtnnseecdateeeesaedecteenececeneeeecs 251 e STATus QUEStionable Register nian ead e ees 251 e STATus QUEStionable SYNC Register cisci iei etnia 252 e STATus QUEStionable POWer Register eeeee
76. to k First Slot to measure is set to 0 Slots 0 to k 1 are set to active the remaining slots are set to inactive Slot properties of slot numbers 0 to k 1 are copied from the last active Slot to measure RST ACT1sync1 Example CONF CHAN SLOT MULT ACT3sync2 Slot to measure is 1 Number of slots is 3 First slot to measure is O Slots 0 1 2 are active Mode GSM CONFigure MS CHANnel SLOT lt s gt PCL Value This command is now obsolete and is retained for compatibility reasons only CONFigure Subsystem Suffix lt s gt lt 0 7 gt Parameters for setting and query lt Value gt numeric value PCL or Dynamic PCL of the slot RST 0 Default unit NONE Example CONF CHAN SLOT PCL 5 Mode GSM CONFigure MS CHANnel SLOT lt s gt SCPir lt Value gt This command specifies the Subchannel Power Imbalance Ratio SCPIR of the speci fied slot Note This command is only available for AQPSK modulation Suffix lt s gt lt 0 7 gt Number of slot to configure Parameters for setting and query lt Value gt numeric value Subchannel Power Imbalance Ratio SCPIR in dB Range 15 to 15 RST 0 Default unit NONE Example Mode Manual operation CONFigure Subsystem Enter the GSM option K10 INSTrument SELect GSM Setup slot 0 for VAMOS AQPSK modulation JI Activate slot CONFigure MS CHANnel SLOTO STATe ON Normal burst CONFigure MS CHANnel SLOTO TYPE NB JI Adaptive QPSK modulatio
77. to the top view i e the useful part of the bursts are shown with a zoomed y axis Remote command CONF BURS PTEM SEL TOP see CONFigure BURSt PTEMplate SELect on page 131 R amp S Support PvT See R amp S Support on page 86 Spectrum Opens a submenu for spectrum measurement settings General Settings Spectrum For details refer to the General Settings softkey in the root menu of the GSM option Meas Settings Spectrum For details refer to the Meas Settings softkey in the root menu of the GSM option Modulation Spectrum Spectrum Displays the Modulation Spectrum measurement results For details on the measurement refer to chapter 3 1 9 Modulation Spectrum on page 23 Note Modulation Spectrum results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measure ment If the Modulation Spectrum softkey is not available include Modulation Spectrum in the multiple measurement selection or disable the multiple measurement mode Remote command CONFigure SPECtrum MODulation IMMediate on page 134 Transient Spectrum Spectrum Displays the Transient Spectrum measurement results Softkeys and Settings of the GSM Menu For details on the measurement refer to chapter 3 1 10 Transient Spectrum on page 26 Note Transient Spectrum results can be included in multiple measurements see Multi Meas Tab on page 72
78. to the reference level of the instrument If the attenuation is programmed directly the coupling to the reference level is switched off This function is not available if the R amp S Digital UO Interface R amp S FSV B17 is active Parameters lt Value gt RST 10 dB AUTO is set to ON Example INP ATT 30dB Sets the attenuation on the attenuator to 30 dB and switches off the coupling to the reference level Mode all Manual operation See RF Atten on page 58 See Mechanical Atten on page 58 INPut ATTenuation AUTO lt State gt This command automatically couples the input attenuation to the reference level state ON or switches the input attenuation to manual entry state OFF This function is not available if the R amp S Digital UO Interface R amp S FSV B17 is active Parameters lt State gt ON OFF RST ON INPut Subsystem Example INP ATT AUTO ON Couples the attenuation set on the attenuator to the reference level Manual operation See RF Atten on page 58 See Mechanical Atten on page 58 INPut DIQ RANGe UPPer lt Level gt Defines or queries the Full Scale Level i e the level that should correspond to an UO sample with the magnitude 1 This command is only available if the optional R amp S Digital UO Interface option R amp S FSV B17 is installed For details see the R amp S Digital UO Interface R amp S FSV B17 description of the base unit Parameters lt Level gt lt numeri
79. trum see Modulation Spectrum on page 79 and then start a measurement RUN SINGLE RUN CONT key Modulation Spectrum results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the Modulation Spectrum softkey is not available include Modulation Spectrum in the multiple measurement selection or disable the multiple measurement mode The following default settings are used for a Modulation Spectrum measurement Setting Default Measurement Scope The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Averaging Configuration Number of bursts as selected in Statistic Count in General Settings see Statistic Count on page 56 Limit Check According to standard e Frequency Domain Limit check of average Avg trace e List Limit check of absolute and relative scalar values e The limits depend on the following parameters Frequency band Device Type only BTS type not MS type Burst Type Modulation Filter limits are different for Higher Symbol Rate and Wide Pulse Filter case 2 and others case 1 see 3GPP TS 45 005 chapter 4 2 1 3 The measured reference power 30 kHz bandwidth Mo of active Carriers for multi carrier BTS The limit is relaxed by 10 log10 N dB for offset frequencies 21 8 MHz see 3GPP TS 45 005 chapter 4 2 1 2 Table 3 3 Fr
80. without restart of the measurement via the FETCh BURSt subsystem READ Subsystem Return values lt Result gt numeric value Maximum Default unit dB Example READ BURS ADR MAX Usage Query only Mode GSM READ BURSt MACCuracy ADRoop SDEViation This command starts the measurement and reads out the standard deviation measure ment of the Amplitude Droop taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit dB Example READ BURS ADR SDEV Usage Query only Mode GSM READ BURSt MACCuracy BPOWer AVERage This command starts the measurement and reads out the average measurement of the Burst Power taken over the selected number of bursts When the measurement is star ted the analyzer is automatically set to single sweep Further results of the measure ment can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit dB Example READ BURS BPOW AVER Usage Query only Mode GSM READ Subsystem READ BURSt MACCuracy BPOWer CURRent This command starts the measurement and reads out the currently measured value of the Bur
81. 0GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00360GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00380GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00400GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00420GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00440GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00460GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00480GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00500GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00520GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00540GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00560GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00580GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 GTIME Stop IECWIN32 time measurement If the modulation reference level 8 29 dBm is substracted from these results the relative value can be compared against the limit for that frequency eg 250KHz Offset 49 26 dBm 8 29 dBm 57 55 dB 33 0 dB Limit PASSED FINE R amp S FSV K10 Status Reporting System 9 Status Reporting System In addition to the registers provided by the base system the following register is used in the GSM option R amp S FSV K10 STAT QUES SYNC Although this register is provi ded by the base system the GSM option R amp S FSV K10 u
82. 100KHZ 33 78MS 0 1 00320GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 L 1 00340GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00360GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 1 00380GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 L 1 00400GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 Example for a Measurement Performed via Remote Control 1 00420GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 L 1 00440GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00460GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00480GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 L 1 00500GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00520GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 1 00540GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 Le 1 00560GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00580GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 Command on a single line TIME Start IECWIN32 time measurement SENSel LIST POWer SEQuence _ 0 99420GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99440GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99460GHZ 2 5DBM 13DB 0DB NORM 100KHZ 100KHZ 33 78MS 0 0 99480GHZ2 2 5DBM 13DB 0DB NORM
83. 104 Filter Burst Frame Select Slot to Configure Demod tab Meas Settings Specifies the pulse shape of the modulator The following filter types are supported e GMSK Pulse Softkeys and Settings of the GSM Menu e Linearised GMSK Pulse e Narrow Pulse e Wide Pulse Remote command CONFigure MS CHANnel SLOT lt s gt FILTer on page 101 Training Sequence TSC Burst Frame Select Slot to Configure Demod tab Meas Settings Selects the training sequence and the set of a single slot The available values depend on the modulation as indicated in the table below For user defined TSCs select User and define the training sequence in User TSC on page 65 Note For AQPSK modulation the training sequence is defined for each subchannel see Training Sequence TSC on page 66 Softkeys and Settings of the GSM Menu Modulation TSC GMSK TSC 0 Set 1 TSC 1 Set 1 TSC 2 Set 1 TSC 3 Set 1 TSC 4 Set 1 TSC 5 Set 1 TSC 6 Set 1 TSC 7 Set 1 TSC 0 Set 2 TSC 1 Set 2 TSC 2 Set 2 TSC 3 Set 2 TSC 4 Set 2 TSC 5 Set 2 TSC 6 Set 2 TSC 7 Set 2 TS 0 Access Burst TS 1 Access Burst TS 2 Access Burst USER QPSK 8PSK 16QAM 32QAM TSC 0 TSC 1 TSC 2 TSC 3 TSC 4 TSC 5 TSC 6 TSC 7 User user defined TSCs User TSC on page 65 Remote command CONFigure MS CHANnel SLOT lt s gt TSC on page 107 User TSC Burst Frame Select
84. 161 FETCh BURSI MACCuracy MERRor RMS MAXimum eese nnne 162 FETCh BURSI MACCuracy MERRor RMS SDEViation cesse 162 FETCh BURStH MACCuracy OSUPpress AVERaJE nnne 162 FETChBURGOC MAC CuracvlOllbporess CLRbent eren 162 FETOCh BURG MAC CuracvlOllbporess MAvimum eene 163 FETCh BURSI MACCuracy OSUPpress SDEViation esses 163 FETCh BURSI MAGCuracy PERCentile E VM icis orones eee ere ate 163 FETCh BURSI MACCuracy PERCentile MERROr isses ea 164 FETCh BURSIEMACGCuracy PERGCentile PERRO E acciri trt eret enge zgch ana dh cRRus 164 FETChBURGOC MAC CuracvlbERbRor DEAK AVERage erer ererererorororererernnenn 164 FETChBURGOC MAC CuracvlbERbRor PEAkK CURREN rere 165 FETCHBURGOC MAC CuracvlPERbRor PEAkK MAximum eene 165 FETOChBURGOC MAC CuracvlPERbRor PEAkK GDEMiatton se eeerererererersrsrernenrn nnns 165 FETCh BURSI MACCuracy PERRor RMS AVERage sess 165 FETCh BURSI MACCuracy PERRor RMS CURRent essere 166 FETChBURGOCMACCuracvlPERbRor RMG MANImum eren nnne 166 FETCh BURSI MACCuracy PERRor RMS SDEViation iieieesces sienne eese a 166 FETCh BURSEPTEMplate TGV Etage ene rre tt Rete ea ne tina RR Dc NESA 167 FETCH BURStPTEMplate TRGS CURROnI arci erp repre t bp nre sene e a iaa 167 FETCH BURSEPTEMBlate TROGS MAXIMUM TE 168 FETCh BURSEPTEMplate TRGS MINImBI 121r rre e oce eda ace dod
85. 3 2 10 Timeslot Alignment Reference Time The definition of a reference time is necessary for the following description of timeslot alignment In the standard document 3GPP TS 45 010 in Section 5 7 it is stated that Irrespective of the symbol duration used the center of the training sequence shall occur at the same point in time This is illustrated in Figure 5 7 3 of the standard document 3GPP TS 45 010 which is reproduced below for convenience figure 3 32 Due to this requirement the middle of midamble or center of Active Part shall be used as the reference time when speci fying timeslot alignment Additionally the middle of midamble is used for the align ment of the Power vs Time limit masks see also Limit Time Alignment on page 68 Further Information Normal Symbol Period Burst Reduced Symbol Period Burst Fig 3 32 Timing alignment between normal symbol period and reduced symbol period bursts As described in chapter 3 2 9 Definition of the Symbol Period on page 44 the mid dle of midamble can be defined with respect to symbol periods and symbol decision instants This is illustrated in figure 3 33 You can see that for normal symbol period bursts Normal bursts the middle of midamble for GMSK occurs exactly at the deci sion instant of symbol 74 However for EDGE it occurs between the decision instants of symbols 73 and 74 while for reduced symbol period bursts Higher Symbol Rate bursts it
86. 6 Export VQ data reMOte E 188 External Attem 2 recette te SERGE 145 F Falling softkey FDMA Filter B st DIAOG MERE 101 First Slot to measure EU e EE 100 RI 32 Frame configuration PAULO S E 75 Measurement Settings BECH Frequency 20 vudrgdeed ee a 904 Frequency Band 209 Frequency Hopping xd Frequency Onset iiec qo ER p EORR ERES 57 Full Scale Level Digital UO Interface remote control 184 bncep cc M 60 G GMSK ER 31 32 34 36 Constellation 2 otn tr eee ees 18 GMSK PUlSG 5 dicere dec dert o inant 44 High DYNAMIC citer e irr err rr mcns Higher Symbol Rate bursts ee c 31 35 nl 32 35 l UO data Export remote control sssne 188 Import remote control sse 187 ee 14 IEC IEEE bus Command description Importing UO data remote AA 187 Inherent EE 70 Input sample rate Digital e D 59 Input OUtpUt MENU creer neoaea EEr DPn EEE 85 IQ Correlation Threshold ssssseeees 71 K key a ET E AUTO SET remote control ET TRACE remote control sse Key AME ec ge 82 AUTO SET 75 82 FREQ Oe HELP 5 estem NE MINT OUTPUT ss Lene rccte eter tenter ees L Level P UII C 75 Measurement Settings tete 98 o XM ILL TEE 54 57 Limit lines Time alignmeht snis 68 Limit Time Alignment 22 47 68 Lin
87. 7S 45 005 V8 5 0 2009 05 for QPSK 8PSK 16QAM and 32QAM as follows e araised cosine filter with roll off 0 25 and single side band 6 dB bandwidth 90 kHz for normal symbol rate and for higher symbol rate using narrow bandwidth pulse shaping filter e araised cosine filter with roll off 0 25 and single side band 6 dB bandwidth 108 kHz for higher symbol rate using wide bandwidth pulse shaping filter In addition to these filters a Measurement filter for GMSK is used in the R amp S FSV K10 option to limit the effects of out of band interference due to the high sampling rate of 6 5 MHz which is used The magnitude responses of all the Measurement filters are shown in figure 3 28 Further Information Measurement Filters for differant transmit filters Magnitude dB GMSK Pulse Lin GMSK Pulse Narrow Pulse Wide Pulse Frequency MHz Fig 3 28 Magnitude Responses of Measurement Filters for Demodulation Measurements 3 2 9 Definition of the Symbol Period The following sections define the symbol period for various modulation types 3 2 9 0 GMSK Modulation Normal Symbol Rate The GMSK frequency pulse is defined in the standard document 3GPP TS 45 004 as a Gaussian pulse convolved with a rectangular pulse as illustrated at the top of fig ure 3 29 With the frequency pulse denoted g t the phase of a GMSK signal due to a sequence of symbols a is defined in the standard as t iT K J anh g u d
88. 800 kHz on page 70 CONFigure SPECtrum SELect lt Mode gt This command selects how the modulation and transient spectrum measurement is performed and displayed CONFigure Subsystem Parameters for setting and query lt Mode gt Example Mode Manual operation LIST FREQdomain LIST Spectrum results are measured at several frequency offsets from the center frequency The results are displayed in a table FREQdomain A spectrum trace is measured and displayed as a graph RST FREQdomain Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Modulation spectrum graph measurement CONFigure SPECtrum MODulation IMMediate Graph example JI Graph frequency domain and List results are required CONFigure SPECtrum SELect FREQdomain Run a blocking single sweep INITiate IMMediate WAI Fetch graph results i e average trace trace 1 TRACel DATA TRACel Fetch list results table FETCh SPECtrum MODulation ALL List example Only list results are required CONFigure SPECtrum SELect LIST Run a blocking single sweep INITiate IMMediate WAI Fetch list results table FETCh SPECtrum MODulation ALL GSM gt See Display List Graph on page 80 CONFigure SPECtrum SWITch
89. ATe lt State gt This command is retained for compatibility with R amp S FS K5 only In new R amp S FSV K10 remote scripts use the commands described in the example below instead For BTS devices this command activates multicarrier BTS and sets the 300 MHz mul ticarrier Power vs Time filter For MS devices this command is not available Parameters for setting and query lt State gt 1 0 ON OFF RST 0 CONFigure Subsystem Example Use the following pure K10 commands instead of the old FS K5 command CONFigure MS MCARrier STATe ONT Switch on mode for multi carrier BTS measurements Note With the next command internally also a multi carrier pre filter for the Demod measurements will be activated Switch on mode for multi carrier BTS measurements CONFigure MS MCARrier MCBTs ON Select K5 compatible multi carrier pre filter for PvT measurement CONFigure MS MCARrier FILTer MC300 Mode GSM CONFigure MS MCARrier ACTCarriers Value This parameter specifies the total number of active carriers of the multi carrier BTS to be measured Its value affects the calculation of the limits according to the 3GPP standard for the modulation spectrum measurement see 3GPP2 TS 45 005 chapter 4 2 1 Spectrum due to modulation and wide band noise The limit is changed by 10 log N Parameters for setting and query Value numeric value Number of active carriers Range 1 to 12 RST 1 Defa
90. Auto set trigger offset II Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE II Note READ starts a new single sweep and then reads the results Use FETCh to query several results READ BURS PTEM TRGS MAX Usage Query only Mode GSM READ BURSt PTEMplate TRGS MINimum This command starts a Trigger to Sync measurement and queries the minimum time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Sta tistic Count on page 56 This command is only available if an external trigger is selected and the Trigger to Sync measurement is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Minimum Default unit S READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate JI Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum JI Auto set trigger offset II Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE II Note READ starts a new single sweep and then reads the results Use FETCh to query seve
91. BURS OSUP MAX Usage Query only Mode GSM READ BURSt MACCuracy 0SUPpress SDEViation This command starts the measurement and reads out the standard deviation measure ment of the IQ Offset Suppression taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit dB Example READ BURS OSUP SDEV Usage Query only Mode GSM READ Subsystem READ BURSt MACCuracy PERCentile EVM This command starts the measurement and reads out the 95 percentile of the Error Vector Magnitude measurement taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Default unit NONE Example READ BURS PERC EVM Usage Query only Mode GSM READ BURSIt MACCuracy PERCentile MERRor This command starts the measurement and reads out the 95 96 percentile of the Mag nitude Error measurement taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single swe
92. Curacy eer EE 194 READ BURG MAC CuracvlBbOVWer MAxlmum nennen nenne 194 READ BURSIt MACCuracy BPOWer SDEViation esses 194 READ BURG MAC CuracvlEVMIPDEAK AVERage 195 READ BURG MAC CuracvlEVMIPDEAkK CURbent rene 195 READ BURSI MACCuracy EVM PEAK MAXimum esses eene 195 READ BURG MAC CuracvlEVMIDEAkK GDEViaton eene 196 READ BURSI MACCuracy EVM RMS AVERage sse 196 READ BURSIt MACCuracy EVM RMS CURRent sisse 197 READ BURSI MACCuracy EVM RMS MAXimum esses 197 READ BURSI MACCuracy EVM RMS SDEViation essere 197 READ BURG MAC CuracvlFERRor AVEHRage sisinio einiaid i 198 READ BURSIt MACCuracy FERRor Cent 198 READ BURG MAC CuracvlFERRorMAvimum cece eee ee eee ae eee nennen nennen nennen 199 READ BURSI MACC racyE FERRor DE Deng edd nausea rtt EE 199 READ BURG MAC CuracvlEREOuencv AVERage nennen 200 READ BURSt MACCuracy FREQuency CURRent lessen an inan 200 READ BURG MAC CuracvlFREOuencv MA Ximum nene 200 READ BURG MAC CuracvlEREOuencv GDEViaton seen 201 READ BURG MAC CuracvltlOlMbalance AVERage nennen 201 READ BURSI MACCuracy IQlMbalance CLRbent reete 201 READ Subsystem READ BURSI MACCuracy IQlMbalance MAXimum esses 202 READ BURG MAC CuracvltlOlMbalance GDEViaton nense et ere rerererererersrsrnrnene enn 202 READ BURG MAC CuracvlOOFtset AVEhHRage nnne 203
93. DISPlay Subsystem Example Select Wide Modulation Spectrum measurement IJ gated zero span measurement CONFigure WSPectrum MODulation IMMediate JI Absolute power and limit results in dBm CONFigure WSPectrum MODulation LIST SELect NARRow RBW 100 kHz 1800 kHz offset freq CONFigure SPECtrum MODulation LIST BANDwidth RESolution 1800000 100000 Run a blocking single sweep INITiate IMMediate WAI Fetch list results table FETCh WSPectrum MODulation ALL Mode GSM Manual operation See Wide Mod Freq List on page 70 4 5 DISPlay Subsystem The DISPLay subsystem controls the selection and presentation of textual and graphic information as well as of measurement data on the display DISPlay WINDowsr SELecl ene apte t pene t paternae aaaea aidia 142 bBISPlayPWINDaewsmsSSELebl iore eam re retta Cet er Reed rene tree 143 DISPlay WINDowens TRAGest MODE 2 creant nhanh aii eu paa ed 143 DISPlay WINDow n TRACe st Y SCALe RLEVel OFFSet esessessssess 145 DISPlay WINDow n TRACe t Y SCALe RLEVel RF eee 145 DISPlay WINDow lt n gt SELect This command selects whether screen A or screen B is active Suffix lt n gt lt 1 D Screen number 1 screen A 2 screen B DISPlay Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INI
94. ETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example READ BURS PERR PEAK SDEV Usage Query only Mode GSM READ BURSt MACCuracy PERRor RMS AVERage This command starts the measurement and reads out the average of the RMS mea surement of the Phase Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit NONE Example READ BURS PERR RMS AVER Usage Query only Mode GSM READ BURSt MACCuracy PERRor RMS CURRent This command starts the measurement and reads out the currently measured RMS value of the Phase Error taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem READ Subsystem Return values lt Result gt numeric value Currently measured value Default unit NONE Example READ BURS PERR RMS CURR Usage Query only Mode GSM READ BURSt MACCuracy PERRor RMS MAXimum This command starts the measurement and reads out the maximum of the R
95. FF Switch the function off ON Switch the function on ONCE Execute the function once RST ON Example CONF AUTO TRIG OFF Mode GSM Manual operation See Trigger on page 76 CONFigure Subsystem CONFigure MS BSEarch lt State gt This command toggles between active burst search and inactive burst search Note This command is retained for compatibility with R amp S FS K5 only Use CONFigure MS SYNC MODE BURSt or CONFigure MS SYNC MODE ALL instead see CONFigure MS SYNC MODE on page 127 Parameters for setting and query lt State gt 110 ON OFF ON Burst search on OFF Burst search off RST 1 Mode GSM CONFigure MS BSTHreshold lt Value gt This command changes the burst find threshold Note This command is retained for compatibility with R amp S FS K5 only Due to the improved measurement capabilities of this GSM analysis software this remote control command and the function behind is not required any more Parameters for setting and query lt Value gt numeric value Threshold for burst detection Default unit dB Example CONF BSTH 10 DB Mode GSM CONFigure MS CHANnel FRAMe EQuUal State If activated all slots of a frame have the same length 8 x 156 26 normal symbol peri ods If deactivated slots number 0 and 4 of a frame have a longer duration all other a shorter duration compared to the equal slot length 157 156 156 156 157 156 156 156 normal symb
96. Gauss e 500 kHz Gauss e 600 kHz e 400 kHz MC e 300 kHz MC The last two MC filters are only available for Multi Carrier BTS measurements i e if the Multi Carrier BTS option is selected see Multicarrier BTS on page 74 The magnitude and step responses of the different Power vs Time filters are shown in figure 3 26 and figure 3 27 respectively In general the smaller the filter bandwidth the worse the step response becomes in terms of ringing effects and the better the suppression of interference at higher frequencies Gaussian type filters are especially useful for signals with sharp edges as the step response does not exhibit overshoot A Magnitude Response of Power vs Time Filters i 1 MHz Gauss 0 g j 500 kHz Gauss i 600 kHz 20 si A 400 kHz MC 300 kHz MC 40 60 80 Magnitude dB 100 N E eben 120L 25 1 140 160 0 Frequency MHz Fig 3 26 Magnitude Response of the Power vs Time Filters 3 2 8 3 Further Information Step Response of Power vs Time Filters MHz Gauss 500 kHz Gauss 600 kHz 400 kHz MC Magnitude dB 15 Time us Fig 3 27 Step Response of the Power vs Time Filters Measurement Filter The Measurement filter is used to limit the bandwidth of the demodulation measure ments and is described in the 3GPP Standard document
97. ILT GMSK Mode GSM Manual operation See Filter on page 63 CONFigure MS CHANnel SLOT lt s gt MTYPe lt Value gt This command specifies the modulation type of the specified slot Suffix lt s gt lt 0 7 gt the slot to configure Parameters for setting and query lt Value gt GMSK QPSK PSK8 QAM16 QAM32 AQPSk Modulation type the available values depend on the burst type For Normal Burst GMSK 8PSK 16QAM 32QAM and AQPSK are available For Higher Symbol Rate Burst QPSK 16QAM and 32QAM are available GMSK GMSK Gaussian Minimum Shift Keying 1 bit symbol QPSK QPSK Quadrature Phase Shift keying 2 bits symbol PSK8 8PSK EDGE Phase Shift Keying 3 bits symbol QAM16 16QAM 16 ary Quadrature Amplitude Modulation 4 bits symbol QAM32 32QAM 32 ary Quadrature Amplitude Modulation 5 bits symbol AQPSk Adaptive Quadrature Amplitude Modulation RST GMSK Example CONF CHAN SLOT MTYP GMSK Mode GSM Manual operation See Modulation on page 63 CONFigure MS CHANnel SLOT lt s gt MULTi Value This command defines the used slots of the mobile or base station The multislot set ting defines how many adjacent slots are active and which of the active slots should be used for synchronization CONFigure Subsystem For the phase frequency error modulation accuracy and power vs time measurement the training sequence for the slot to synchronize must be set correctly The reference measurement of
98. IMit RIGEt ON M Enable Right Limit WA SENSe BANDwidth RESolution TYPE P5 Filter Type CONFigure SPECtrum SWITching TYPE RMS Transient Ref Power CONF SPEC MOD LIST RES BW 1800000 30000 Mod RBW 1800 kHz CONFigure SPECtrum HDYNamic OFF High Dynamic CONF WSP MOD LIST SEL WIDE Wide Mod Freq List Trigger to Sync CONFigure TRGS NOFBins 10 No of Bins CONFigure TRGS ADPSize 100 M Adaptive Data Size Synchronization CONFigure M8 8YNC IQCThreshold 85 IQ Correlation Threshold Demodulation CONFigure MS DEMod DECision AUTO M Symbol Decision Auto CONFigure MS DEMod STDBits DETected Tail amp TSC Bits Detected PvT Filter Advanced tab Meas Settings The PvT Filter controls the filter used to reduced the measurement bandwidth for sin gle carrier Power vs Time measurements The parameter is only available if Multi carrier BTS is switched off see Multicarrier BTS on page 74 For single carrier measurements the PvT Filter parameter in the Multicarrier tab is ignored see PvT Filter on page 74 1 MHz Gauss default 500 kHz Gauss for backwards compatibility to FS K5 R amp S FSV K10 Instrument Functions GSM 600 kHz for backwards compatibility to FS K5 Remote command CONFigure BURSt PTEMplate FILTer on page 130 Limit Time Alignmen
99. K and 8PSk Therefore the power trigger should only be used for GMSK QPSK and 8PSK bursts For 16QAM and 32QAM bursts an external trigger should be used It is recommended that you use the Auto Set gt Trigger functionality of the R amp S FSV K10 application before starting the wide modulation list measurement This automati cally determines the appropriate Trigger Offset for the given frame configuration and the signal under test see Trigger Offset on page 56 Contrary to Modulation Spectrum the Wide Modulation Spectrum measurement is performed in gated zero span mode where the gating parameters offset and length are calculated based on the user defined Trigger Offset and Frame Configuration settings 50 90 of the active part of the Slot to Measure excluding TSC are mea sured This approach provides improved measurement dynamics compared to the Modulation Spectrum approach that is based on captured UO data R amp S FSV K10 Instrument Functions GSM Wide Modulation Spectrum List Offset kHz dB Lower dBm Fig 3 18 Results Table in Wide Modulation Spectrum The following default settings are used for a Wide Modulation Spectrum measure ment Setting Default Measurement Scope Averaging Configuration The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Number of bursts as selected in Statistic Count in General Se
100. LASs Value This command the power class of the device under test CONFigure Subsystem Parameters for setting and query lt Value gt Example Mode Manual operation 112 3 4 5 6 7 8 E1 E2 E3 M1 M2 M3 P1 1 MS and BTS power class 1 2 MS and BTS power class 2 3 MS and BTS power class 3 4 MS and BTS power class 4 5 MS and BTS power class 5 6 BTS power class 6 7 BTS power class 7 8 BTS power class 8 E1 MS power class E1 E2 MS power class E2 E3 MS power class E3 M1 BTS power class M1 Micro M2 BTS power class M2 Micro M3 BTS power class M3 Micro P1 BTS power class P1 Pico RST 2 CONF POW CLAS 1 GSM See Power Class on page 54 CONFigure MS POWer STATic Value This command is now obsolete and is retained for compatibility reasons only CONFigure Subsystem Parameters for setting and query lt Value gt numeric value BTS static power step power control level Default unit NONE Example CONF POW STAT 5 Mode GSM CONFigure MS POWer AUTO lt Value gt This command is used to switch on or off automatic power level detection When switched on power level detection is performed at the start of each measurement sweep Using the ONCE argument starts the auto level measurement immediately Parameters for setting and query lt Value gt OFF ON ONCE OFF Switch the function off ON Switch the function on ONCE Execute the function once RST ON Ex
101. MS mea surement of the Phase Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Maximum Default unit NONE Example READ BURS PERR RMS MAX Usage Query only Mode GSM READ BURSt MACCuracy PERRor RMS SDEViation This command starts the measurement and reads out the standard deviation of the RMS measurement of the Phase Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example READ BURS PERR RMS SDEV Usage Query only Mode GSM READ Subsystem READ BURSt PTEMplate TRGS AVERage This command starts a Trigger to Sync measurement and queries the average time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of I Q captures see Sta tistic Count on page 56 This command is only available if an external trigger is selected and the Trigger to Sync measurement is act
102. MS measurement of the Magnitude Error taken over the selected number of bursts Return values lt Result gt numeric value Average value Default unit NONE Example FETC BURS MERR RMS AVER Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor RMS CURRent This command reads out the current ymeasured RMS value of the Magnitude Error taken over the selected number of bursts Return values lt Result gt numeric value Currently measured value Default unit NONE Example FETC BURS MERR RMS CURR Usage Query only Mode GSM FETCh Subsystem FETCh BURSt MACCuracy MERRor RMS MAXimum This command reads out the maximum of the RMS measurement of the Magnitude Error taken over the selected number of bursts Return values lt Result gt numeric value Maximum Default unit NONE Example FETC BURS MERR RMS MAX Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor RMS SDEViation This command reads out the standard deviation of the RMS measurement of the Mag nitude Error taken over the selected number of bursts Return values lt Result gt numeric value Standard deviation Default unit NONE Example FETC BURS MERR RMS SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy 0SUPpress AVERage This command reads out the average measurement of the IQ Offset Suppression taken over the selected number of bursts see Statistic Count
103. Manual operation CONFigure Subsystem Enter the GSM option K10 INSTrument SELect GSM JI Activate slot 0 CONFigure MS CHANnel SLOTO STATe ON Deactivate all other slots 1 7 CONFigure MS CHANnel SLOT1 STATe OFF CONFigure MS CHANnel SLOT2 STATe OFF CONFigure MS CHANnel SLOT3 STATe OFF CONFigure MS CHANnel SLOT4 STATe OFF CONFigure MS CHANnel SLOT5 STATe OFF CONFigure MS CHANnel SLOT6 STATe OFF CONFigure MS CHANnel SLOT7 STATe OFF Set slot 0 to GMSK CONFigure MS CHANnel SLOTO MTYPe GMSK User TSC 0 as user TSC in slot 0 CONFigure MS CHANnel SLOTO TSC USER CONFigure MS CHANnel SLOTO TSC USER 00100101110000100010010111 JI Activate EVM vs Time measurement CONFigure BURSt ETIMe JI Switch to split screen mode DISPlay FORMat SPLit Run a blocking single sweep INITiate IMMediate WAI Read the averaged EVM RMS value FETCh BURSt MACCuracy EVM RMS AVERage I gt 0 388730555772781 GSM See User TSC on page 65 CONFigure MS CHANnel SLOT lt s gt TYPE lt Value gt Specifies the type of the burst Suffix lt s gt lt 0 7 gt Parameters for setting and query lt Value gt Example Mode NB Normal Burst HB Higher Symbol Rate Burst AB Access Burst RST NB CONF CHAN SLOT TYPE NB GSM CONFigure Subsystem Manual operation See Burst Type on page 63 CONFigure MS CHANnel TSC Value Se
104. NFigure MS AUT Le ag Te EE EE Le te R AER et D ee ee UI RER He EE GONFigure MS ECHANnelFRAMe EQUlal cota tree ror ter rr tnr et Eben CONFigure MS CHANnel MSLots MEASure at GONFigure MSIECHANnelMSLots NOFSlots tton rennen rer nr rhet ri tria GONFigure MSIE CHANnelMSLots OFF Set etr rere rette eer ree p HE eR eR ER GONFigurerMS CHANneESEQT s FIDT6t uis innare nt cet rete rab rra etu bi tease oben GONFigureEMSJ CHANnel SEOT 8M LY PE crin etn ttr onn tha ehe tnt rh et enne ner ren eiecit GONFigureE MS CHANnekSLEOT s MUL Tikriniai iei rae a e GONFigurerMSECFIANnelSEQOTSS POL ctiani a eaten Fr m e epa ten bnt n eo eroi ENA ends CONFigure MS CHANnel SLOT lt s gt SCPir CONFigure MS CHANnel SLOT s SUBChannel ch TSC essent 105 CONFigure MS CHANnel SLOT s SUBChannel ch TSC USER esee 106 GONFigureEMSECHANnel SLOTS gt KEE 107 CONFigure MS CHANnel SLOT lt s gt TSG USER itt rin rte retener tpe rna 109 GONFigurerMSECHANnelSEQOTSSS d reote tta etae ed boh ete Der epe aber aacra e n E Cen ERR Rer 110 GONFigureEMSECHANnelSEOTss STATe ceno i tione ront eim rrr erret 101 CONFigure MS CHANnel TSC GONFig rer MS CHANnelISG USER tbc re ni naia nva Eae tnb C ont re ek E ne be D ede 111 II ee UI REENERT TEE 111 GONFigureEMS DEMOd S TDBlits cort ttr t tre re ith e itr nr rro eene od 113 GONFig urerMSpPDEVICe TY PE ust roi eR iori E rini e
105. NFigure BURSt PTEMplate IMMediate on page 130 Suffix Slot lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure s First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Crest factor Default unit dB READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Please use FETCh to query several results READ BURSt SPOWer SLOT1 ALL CRESt Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt ALL MAXimum This command starts the measurement and reads out the maximum power for the selected slot for all measured burst This command is only available if Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt Slot gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First sl
106. NFigure BURSt PTEMplate IMMediate on page 130 Suffix lt s gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure lt s lt First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Maximum Default unit dBm FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOTO ALL MAXimum Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt CURRent AVERage This command reads out the average power for the selected slot for the current burst This command is only available if Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt s gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the sl
107. R amp S9 FSV K10 GSM Measurement Operating Manual 1176 7526 02 04 ROHDE amp SCHWARZ Test amp Measurement Operating Manual This manual describes the following R amp S FSV options e R amp S FSV K10 1310 8055 02 This manual describes the following R amp S9FSV models with firmware version 2 30 and higher e R amp S FSV 4 1321 3008K04 e R amp S FSV 7 1321 3008K07 e R amp S FSV 13 1321 3008K13 e R amp S FSV 30 1321 3008K30 e R amp S FSV 40 1321 3008K39 e R amp S FSV 40 1321 3008K40 It also applies to the following R amp S FSV models However note the differences described in chapter 1 4 Notes for Users of R amp S FSV 1307 9002Kxx Models on page 9 e R amp S FSV 3 1307 9002K03 e R amp S FSV 7 1307 9002K07 e R amp S FSV 13 1307 9002K13 e R amp S FSV 30 1307 9002K30 e R amp S FSV 40 1307 9002K39 e R amp S FSV 40 1307 9002K40 The firmware of the instrument makes use of several valuable open source software packages For information see the Open Source Acknowledgement on the user documentation CD ROM included in delivery Rohde amp Schwarz would like to thank the open source community for their valuable contribution to embedded computing 2014 Rohde amp Schwarz GmbH amp Co KG M hldorfstr 15 81671 M nchen Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 E mail info rohde schwarz com Internet www rohde schwarz com Subject to ch
108. READ BURG MACCuracvlMERRor RMG AVEhRagoe nennen nennen 206 READ BURSI MACCuracy MERRor RMS CURRent eese nennen enne nnne nennen 206 READ BURGT MACCuracvlMERRor RMS MANimum nennen 206 READ BURSI MACCuracy MERRor RMS SDEViation essere 207 READ BURG MAC CurscvlOGllbporess AVERagoe A 207 READ BURSI MACCuracy OSUPpress MAXimum eeessseeseeeseeeeeeeneenneenren nenne nnne nennt enne 208 READ BURSI MACCuracy OSUPpress SDEViation eese 208 READ BURSt MAGCuracy PERGCentile EVM uiii eerte een rtr err exe e ener nneis 209 READ BURSt MAGCuracy PERCentile MERROtT 2 rr rper ener Ernie 209 READ BURSI MACCuracy PERCentile PE RROr 5 12 onsite a nannten pan AEE 209 READ BURSI MACCuracy PERRor PEAK AVERage essent rennen nnne nennen inia 210 READ BURSI MACCuracy PERRor PEAK CURRent sessi enters 210 READ BURSI MACCuracy PERRor PEAK MAXimum esee enne nene enne nennen 210 READ BURSI MACCuracy PERRor PEAK SDEViation esee rennen 211 READ BURSt MACCuracyE PERRor RMS AVERage cette tn ntt rn n nain 211 READ BURSI MACCuracy PERRor RMS MAXimum 2 eett ttt ttt 212 READ BURSI MACCuracy PERRor RMS SDEViation stt 212 BEAD BURSEMACC ua EVMIPEAK AVERage ttti 195 READ BURSI MACCuracy EVM PEAK CURRent
109. READ BURSt MACCuracy IQOFfset CURREM1 c ccseccceeeeeeeceeeeaeeceesea esse enne 203 READ BURG MAC CuracvllOOFtset MAxlmum enne 203 READ BURSt MACCuracy IQOFfset SDEViation ccccceeeeseeeseeeeeneeeeeneneeeeeenenanees 204 READ BURG MAC CuracvlMERbRor PDEAK AVEHRage rehenes 204 READ BURG MAC CuracvlMERbRor PDEAkK CUbent rere 204 READ BURG MAC CuracvlMERRor PDEAK MANimum enne 205 READ BURG MAC CuracvlMERbRor DEAkK GDtEViaton eene 205 READ BURSIt MACCuracy MERRor RMS AVERage essen nnne 206 READ BURSIt MACCuracy MERRor RMS CURRent essen 206 READ BURSt MACCuracy MERRor RMS MAXimum cessisse 206 READ BURSIt MACCuracy MERRor RMS SDEViation essere 207 READ BURG MAC CuracvlOGllbpnress AVEhRage nennen 207 READ BURG MAC CuracvlOGllbporess CURbent eene 207 READ BURSIt MACCuracy OSUPpress MAXimum esses eene 208 READ BURG MAC CuracvlOGllbpnreses GDEVlatton eene 208 READ BURSt MACCuracy PERCentileIEVM c ccceccsecceesessdecbesadacdcerenaeeneceteneeceatennes 209 READ BURSt MACCuracy PERCentile MERROr sess 209 READ BURG MAC CuracvlbPtRCG ene PERRO eene enne 209 READ BURG MAC CuracvlPtERb or DEAkK AVEhRage nennen 210 READ BURG MAC CuracvlPtERb orPDEAkK CURent eene 210 READ BURG MAC CuracvlPERb orPDEAkK MANlmum rnrn nn ntnrnnenrereeo 210 READ BURG MAC CuracvlPtbRbor PDEAkK GDEMiatlon e
110. RM 100KHZ 100KHZ 33 78MS 0 0 99500GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99520GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99540GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99560GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99580GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99600GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99620GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99640GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99660GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99680GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99700GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99720GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99740GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99760GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99780GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99800GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0 99820GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99840GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99860GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99880GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99900GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 0 99920GHZ 2 5DBM 13DB
111. RRENT sistiese aaen aaae aiana aa 156 FETCh BURSIt MACCuracy FREQuency MAXimum esses ntn 157 FETCh BURSI MACCuracy FREQuehncy SDEViatior citet i tercie rdc 157 FETOCH BURG MAC Curacvl OlMbalance AVEhage nennen 157 FETCh BURSI MACCuracy IQlMbalance CURRent esses aisina 158 FETCh BURSI MACCuracy IQlMbalance MAXimum FETOCH BURG MAC Curacvl OlMbalance GD Viaton nennen 158 FETCh BURSt MACCuracy IQOFisevAVERAQC E 159 FETCh BURStEMACCuracy IQOFfset CURRent rti oit cinerea ee cbe geet 159 FETCh BURG MAC CuracvllOOFtserMANimum AA 159 FETCR BURSI MAGCGu racy IQOFfset SDEVIaltiOn 4 uci rerit ee Iac eee 159 FETCh BURSI MACCuracy MERRor PEAK AVERage sssssessssseeeeeeennee nne rennen nennen 160 FETCh BURSt MACCuracy MERRor PEAK CURRent FETCh BURSI MACCuracy MERRor PEAK MAXimum esses eene aria 160 FETCh BURSI MACCuracy MERRor PEAK SDEViation essen rennen 161 FETCh BURSI MACCuracy MERRor RMG AVERage ene rennen eerte een 161 FETCh BURSI MACCuracy MERRor RMG Cent 161 FETOCH BURG MAC CuracvlMERbRorRMS MA Ximum nennen enne rennen aaa 162 FETCh BURSI MACCuracy MERRor RMS SDEViation essent 162 FETOH BURG MAC CuracvlOGllbpress AVEhage enne nennen rennen rennen enne 162 FETCh BURSI MACCuracy OSUPpress CURRent eres eerie ien nante a haee
112. RSt MACCuracy IMMediate on page 129 EVM Demod Displays the EVM vs Time measurement results For details on the measurements refer to chapter 3 1 4 EVM vs Time on page 15 Note EVM vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the EVM vs Time softkey is not available include Demod in the multiple measure ment selection or disable the multiple measurement mode Remote command CONFigure BURSt ETIMe IMMediate on page 129 Phase Error Demod Displays the Phase Error vs Time measurement results For details on the measure ments refer to chapter 3 1 3 Phase Error vs Time on page 14 Note Phase Error vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measure ment If the Phase Error softkey is not available include Demod in the multiple measure ment selection or disable the multiple measurement mode Remote command CONFigure BURSt PFERror IMMediate on page 129 Magnitude Error Demod Displays the magnitude error measurement results For details see chapter 3 1 5 Magnitude Error vs Time on page 16 Note Magnitude Error vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measure ment If the Magnitude Error soft
113. Rage i oit isurian oues in dad 155 FETCh BURSIEMAGCGuracy FERRor CURRenl 7 reete enr hte cea aaa 155 FETChBURGOC MAC CuracvlFtbRborMANimum nennen nene 155 FEFCh BURSIEMACCuracy FERRor SDEVialiori EdeEESEdEENEEEENE ENEAENEEdeNEAERSENNEN 156 FETCh BURSI MACCuracy FREQuency AVERage isses 156 FETCh BURSI MACCuracy FREQuency CURRent essere 156 FETOCh BURG MAC CuracvlEREOuencv MAXIMUM ci nennen 157 FETCh BURSI MACCuracy FREQuency SDEViation essere 157 FETOCh BURG MAC Curacvl OlMbalance AVEHRage rnr rrtreterererererseee 157 FETCh BURSI MACCuracy IQlMbalance CURRent sse 158 FETOCH BURG MAC Curacvl lOlMbalance MAXIMUM Pacii nnne 158 FETOCH BURG MAC Curacvl lOlMbalance GDtEViaton eene 158 FETChBURGOC MAC CuracvllOOFiset AVERage cece caeaeaeeeeeeeteteeteteteeetereees 159 FETCh BURStH MACCuracy IOOFTseti CURRENT ENEE EENS 159 FETCH BURStH MACCuracy IQOFfset MAvimum eene nennen nnns 159 FETCHBURGOC MAC Curacvl lOOFiset SGDEViaton insni e EREA 159 FETCh BURSI MACCuracy MERRor PEAK AVERage isse 160 FETCh BURSI MACCuracy MERRor PEAK CURRent essere 160 FETCh BURSI MACCuracy MERRor PEAK MANlmum nennen 160 FETCh Subsystem FETOChBURGOCMACCuracvlMERbRor PDEAK GDtEViaton n 161 FETChBURGOC MAC CuracvlMERRor RMG AVEhHRage sss 161 FETCh BURSI MACCuracy MERRor RMS CURRent cemiac iiiar
114. Result gt numeric value Default unit NONE Example FETC BURS PERC EVM FETCh Subsystem Usage Query only Mode GSM FETCh BURSt MACCuracy PERCentile MERRor This command reads out the 95 96 percentile of the Magnitude Error measurement taken over the selected number of bursts Return values Result numeric value Default unit NONE Example FETC BURS PERC MERR Usage Query only Mode GSM FETCh BURSt MACCuracy PERCentile PERRor This command reads out the 95 percentile of the Phase Error measurement taken over the selected number of bursts Return values lt Result gt numeric value Default unit NONE Example FETC BURS PERC PERR Usage Query only Mode GSM FETCh BURSt MACCuracy PERRor PEAK AVERage This command reads out the average of the peak measurement of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Average value Default unit NONE Example FETC BURS PERR PEAK AVER Usage Query only Mode GSM FETCh Subsystem FETCh BURSt MACCuracy PERRor PEAK CURRent This command reads out the current peak value of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Currently measured peak Default unit NONE Example FETC BURS PERR PEAK CURR Usage Quer
115. Return values lt Result gt numeric value Average Default unit NONE Example READ BURS MERR PEAK AVER Usage Query only Mode GSM READ BURSt MACCuracy MERRor PEAK CURRent This command starts the measurement and reads out the currently measured peak value of the Magnitude Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem READ Subsystem Return values lt Result gt numeric value Currently measured value Default unit NONE Example READ BURS MERR PEAK CURR Usage Query only Mode GSM READ BURSt MACCuracy MERRor PEAK MAXimum This command starts the measurement and reads out the maximum of the peak mea surement of the Magnitude Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Maximum Default unit NONE Example READ BURS MERR PEAK MAX Usage Query only Mode GSM READ BURSt MACCuracy MERRor PEAK SDEViation This command starts the measurement and reads out the standard deviation of the pe
116. Return values lt Result gt numeric value Maximum Default unit NONE Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS PEAK MAX Usage Query only Mode GSM FETCh BURSt MACCuracy EVM PEAK SDEViation This command reads out the standard deviation of the peak measurement of the Error Vector Magnitude taken over the selected number of bursts Return values lt Result gt numeric value Standard deviation Default unit NONE Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS PEAK SDEV Usage Query only Mode GSM FETCh Subsystem FETCh BURSt MACCuracy EVM RMS AVERage This command reads out the average of the RMS measurement of the Error Vector Magnitude taken over the selected number of bursts Return values lt Result gt n
117. S 0 _ 0 99960GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KH2 33 78MS 0 _ 0 99975GHZ2 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 0 99980GHZ2 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 0 99990GHZ2 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 1 00010GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 1 00020GHZ2 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 1 00025GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KH2 33 78MS 0 _ 1 00040GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 1 00060GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 1 00080GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 Example for a Measurement Performed via Remote Control 00100GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 00120GHZ 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 00140GHZ 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 00160GHZ 2 5DBM 13DB 0DB NORM 30KHZ 30KHZ 33 78MS 0 _ 00180GHZ 2 5DBM 13DB ODB NORM 30KHZ 30KHZ 33 78MS 0 00200GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00220GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00240GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00260GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00280GH2 2 5DBM 13DB ODB NORM 100KHZ 100KH2 33 78MS 0 00300GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 00320GH2 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 33 78MS 0 0034
118. S CHANnel SLOTO STATe ON Normal Burst CONFigure MS CHANnel SLOTO TYPE NB I AQPSK VAMOS modulation CONFigure MS CHANnel SLOTO MTYPe AQPSk Subchannel 1 TSC 0 Set 1 CONFigure MS CHANnel SLOT0 SUBChannell TSC 0 1 JI Subchannel 1 Query TSC number and Set number CONFigure MS CHANnel SLOT0 SUBChannell TSC n I gt 0 1 JI Subchannel 1 Query TSC number CONFigure MS CHANnel SLOT0 SUBChannell TSC TSC I 2 0 JI Subchannel 1 Query Set number CONFigure M ANnel SLOTO SUBChannel1 TSC SET Hz Subchannel 2 TSC 0 Set 1 CONFigure MS CHANnel SLOT0 SUBChannel2 TSC 0 2 JI Subchannel 2 Query TSC number and Set number CONFigure MS CHANnel SLOT0 SUBChannel2 TSC I gt 0 2 JI Subchannel 2 Query TSC number CONFigure MS CHANnel SLOT0O SUBChannel2 TSC TSC I1 gt 0 JI Subchannel 2 Query Set number CONFigure MS CHANnel SLOTO SUBChannel2 TSC SET HR Mode GSM ca Q I Manual operation See Training Sequence TSC on page 66 CONFigure MS CHANnel SLOT lt s gt SUBChannel lt ch gt TSC USER lt Value gt This command sets the bits of the user definable TSC The number of bits must be 26 CONFigure MS CHANnel SLOT lt s gt SUBChannel lt ch gt TSC USER must be set first This command is only available for AQPSK modulation Suffix s lt 0 7 gt Number o
119. S DiglConf application This softkey is only available if the optional software is installed To return to the R amp S FSV application press any key on the front panel The applica tion is displayed with the EXIQ menu regardless of which key was pressed Operating Manual 1176 7526 02 04 86 Softkeys of the Input Output Menu For details on the R amp S DiglConf application see the R amp SGEX IQ BOX Digital Inter face Module R amp SGDiglConf Software Operating Manual Note If you close the R amp S DiglConf window using the Close icon the window is minimized not closed If you select the File Exit menu item in the R amp S DiglConf window the application is closed Note that in this case the settings are lost and the EX IQ BOX functionality is no longer available until you restart the application using the DiglConf softkey in the R amp S FSV once again Remote command Remote commands for the R amp S DiglConf software always begin with SOURce EBOX Such commands are passed on from the R amp S FSV to the R amp S DiglConf automatically which then configures the R amp S EX IQ BOX via the USB connection All remote commands available for configuration via the R amp S DiglConf software are described in the R amp SGEX IQ BOX Digital Interface Module R amp SGDiglConf Software Operating Manual Example 1 SOURCe EBOX RST SOURce EBOX IDN Result Rohde amp Schwarz DiglConf 02 05 436 Build 47 Example 2 SO
120. SSED Query only GSM 4 11 4 READ Subsystem READ SPECtrum SWI Tching REFerence IMMediate This command starts the measurement and returns the measured reference power of the Transient Spectrum This command is only available when the Transient Spec trum measurement is selected see CONFigure SPECtrum SWITching IMMediate on page 136 The result is a list of partial result strings separated by commas Return values lt Level1 gt measured reference power in dBm lt Level2 gt measured reference power in dBm lt RBW gt resolution bandwidth used to measure the reference power in Hz Example READ SPECtrum SWITching REFerence IMMediate Mode GSM READ SPECtrum WMODulation GATing This command reads out the gating settings for gated Wide Modulation Spectrum measurements It is identical to READ SPECtrum WMODulation GATing and is maintained for compatibility reasons only Example READ SPEC WMOD GAT Usage Query only Mode GSM READ WSPectrum subsystem Commands of the READ WSPectrum subsystem READ WSPectrum MODulation ALL sessi ener rere rnnt nnns 227 READ WSPectrum MODULAHONIGATING dE gedd 228 READ W bechrum MODulation REFerencef MMediatel rnr nr nne 229 READ WSPectrum MODulation ALL This command starts the measurement and reads out the result of the measurement of the Wide Modulation Spectrum of the mobile or base s
121. See PvT Filter on page 74 CONFigure MS MCARrier MCBTs lt State gt This parameter informs the R amp S FSV K10 that the measured signal is a multi carrier signal This function is only available if the Device Type is a BTS type see CONFigure MS DEVice TYPE on page 114 If active a special multi carrier filter is switched into the demodulation path and further multi carrier specific parameters become available Parameters for setting and query State 110 ON OFF ON The measured signal is a multi carrier signal OFF The measured signal is a single carrier signal RST OFF Example CONF MCAR MCBT ON Mode GSM Manual operation See Multicarrier BTS on page 74 CONFigure MS MTYPe lt Value gt This command sets the modulation type of all slots CONFigure Subsystem Note This command is retained for compatibility with R amp S FS K5 only Parameters for setting and query lt Value gt Example Mode GMSK EDGE Modulation type RST GMSK Enter the GSM option K10 INSTrument SELect GSM Old FS K5 commands CONFigure MS MTYPe EDGE Please use the following K10 commands instead I K5 GMSK gt K10 GMSK I K5 EDGE gt K10 PSK8 CONFigure MS CHANnel SLOTO MTYPe PSK8 CONFigure MS CHANnel SLOT1 MTYPe PSK8 CONFigure MS CHANnel SLOT2 MTYPe PSK8 CONFigure MS CHANnel SLOT3 MTYP
122. TCh to query several results READ BURSt SPOWer SLOT1 DELTatosync Usage Query only Mode GSM 4 11 3 READ SPECtrum subsystem Commands of the READ SPECtrum subsystem READIBURSIEMAGGOutacy FAU E 224 REAB SPECtrum MODulatioh ALL eei eeepc cnra iniaiaiai rii chee 225 READ SbtCirum MODulaton HE Ferencef MMediatel reren entnnrerererene 225 READ SPEC trum SWITeRNI ETH KEE 226 READ SbtCirum SGuWwlTching RE Ferencef WMMediatel sese 227 READ SPECtum WNMODulatiens SA TING KEE 227 READ BURSt MACCuracy ALL This command starts the measurement and returns all the results When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt MeasValue gt lt Error Vector Magnitude RMS gt lt Error Vector Magnitude Peak gt lt Magnitude Error RMS gt lt Magnitude Error Peak gt lt Phase Error RMS gt lt Phase Error Peak gt lt Burst Power gt lt Frequency Error gt lt IQ Offset gt lt IB Imbalance gt The results are output as a list of comma separated strings Each item consists of an Average Current Maximum and Standard Deviation value Example READ BURS ALL READ Subsystem Mode GSM READ SPECtrum MODulation ALL This command starts the measurement and returns the result of the measured m
123. TRX power class Micro BTSPico BTS TRX power class Pico MSNormal MS normal type MSSMall MS small type RST BTSNormal CONF DEV TYPE BTSNormal GSM See Device Under Test Type on page 53 CONFigure MS ECONfigure MREFerence This command specifies the slot to be measured in single slot measurements relative to the GSM frame start and is identical to CONFigure MS CHANnel MSLots MEASure on page 100 This command is retained for compatibility with R amp S FS K5 only In new K10 remote scripts use the CONFigure MS CHANnel MSLots MEASure command instead CONFigure Subsystem CONFigure MS ECONfigure SLOT lt s gt MODulation lt ModType gt Sets the modulation of the slot lt s gt This command is retained for compatibility with R amp S FS K5 only In new K10 remote scripts use the following commands instead CONFigure MS CHANnel SLOT s STATe on page 101 CONFigure MS CHANnel SLOT s TYPE on page 110 CONFigure MS CHANnel1 SLOT s MTYPe on page 102 Suffix s lt 0 7 gt Setting parameters lt ModType gt OFF Deactivates slot lt s gt GMSK Activates slot lt s gt and sets the modulation to GMSK EDGE Activates slot lt s gt and sets the modulation to 8PSK Return values lt ModType gt OFF The slot lt s gt is inactive GMSK QPSK QAM16 QAM32 AQPS The modulation if it is active EDGE 8PSK modulation CONFigure MS MCARrier ST
124. TT 0 DB i INPutl GAIN STATe OFF Preamplifier Trigger Polarity IF Pow Retrig Holdoff re Ner SWEep TIME 10 MS CONFigure MS POWer AUTO S p D MS E Wee Auto Track Time 10 ms 17 33 slots TRIGgerl SEQuence LEVel 1 4 V J TRIGgerl SEQuence LEVel IFPower 20 DBM Trigger Level LAM SENSel SWAPiq ON nc Swap IQ n a n a RF Input Advanced Settings tab General Settings Settings for RF Input Frequency Offset RF Input Advanced Settings tab General Settings The frequency offset shifts the displayed frequency range by the specified offset Remote command SENSe FREQuency OFFSet on page 231 Ref Level RF Input Advanced Settings tab General Settings Defines the reference level in dBm The reference level value is the maximum value the AD converter can handle without distortion of the measured value Signal levels above this value will not be measured correctly which is indicated by the IFOVL status display Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel RF on page 145 Softkeys and Settings of the GSM Menu RF Atten RF Input Advanced Settings tab General Settings Sets the RF attenuation automatically as a function of the selected reference level This ensures that the optimum RF attenuation is always used Remote command INPut ATTenuation AUTO on page 183 INPut ATTenuation on page 183
125. The frame always starts with slot number 0 The slots beginning with the First slot to mea sure and ending with First slot to measure Number of slots to measure 1 are marked with a green box while the slot specified as the Slot to measure is highligh ted in yellow The parameters of a specific slot can be edited by putting the focus blue border on the slot and pressing the ENTER key The Burst dialog box opens see Burst on page 62 Burst Frame Select Slot to Configure Demod tab Meas Settings The Burst dialog box opens when you select a slot to be configured in the Demod tab of the Measurement Settings see Frame Select Slot to Configure on page 62 In the title bar of the dialog box the selected slot number is displayed At the top of the dialog box the sections of the burst and their number of bits are indicated E Burst Slot 0 Data 58 MS CH 1 SLOTO STATe ON EET MS CH 1 SLOTO TYPE NB MS CH 1 SLOTO MTYPe GMSK MS CH 1 SLOTO SCPir 4 JM MS CH 1 SLOTO FILTer GMSK MS CHANnel SLOTO TSC 1 p MS CHANnel SLOTO TSC USER 101 0 M Softkeys and Settings of the GSM Menu Active Burst Frame Select Slot to Configure Demod tab Meas Set tings Activates
126. The command is not in line with the manual operation to hold the SCPI remote control part compatible with the R amp S FS K5 CONFigure Subsystem Parameters for setting and query lt Value gt PGSM EGSM DCS PCS TGSM RGSM GSM PGSM Primary GSM EGSM Extended GSM DCS DCS PCS PCS TGSM T GSM RGSM Railway GSM GSM GSM RST EGSM Example CONF NETW PGSM Mode GSM Manual operation See Frequency Band on page 53 CONFigure MS NETWork FREQuency BAND lt Value gt This command works in conjunction with the CONFigure MS NETWork TYPE com mand to specify the frequency band of the signal to be measured The command is not in line with the manual operation to hold the SCPI remote control part compatible with the R amp S FS K5 CONFigure Subsystem Parameters for setting and query lt Value gt 380 410 450 480 710 750 810 850 900 1800 1900 380 380 MHz band valid for TGSM 410 410 MHz band valid for TGSM 450 450 MHz band valid for GSM 480 480 MHz band valid for GSM 710 710 MHz band valid for GSM 750 750 MHz band valid for GSM 810 810 MHz band valid for TGSM 850 850 MHz band valid for GSM 900 900 MHz band valid for PGSM EGSM RGSM and TGSM 1800 1800 MHz band valid for DCS 1900 1900 MHz band valid for PCS RST 900 Example CONF NETW FREQ 380 Mode GSM Manual operation See Frequency Band on page 53 CONFigure MS POWer C
127. Tiate CONTinuous OFF ABORt Activate constellation measurement CONFigure BURSt CONStell IMMediate Run a blocking single sweep INITiate IMMediate WAI Switch to full screen mode show only one Screen DISPlay FORMat SINGle Select screen A I Q constellation graph DISPlay WINDow1 SELect Select screen B modulation accuracy table DISPlay WINDow2 SEI Switch to split screen mode show all jGct Screens DISPlay FORMat SPLit Usage Setting only Mode GSM DISPlay WINDow lt n gt SSELect This command selects whether screen A or screen B is active WINDow1 corresponds to SCREEN A WINDow2 to SCREEN B Suffix lt n gt lt 1 gt Example DISP SSEL Usage Setting only Mode GSM DISPlay WINDow lt n gt TRACe lt t gt MODE Mode This command controls whether a trace is displayed or not and in which mode Each trace can only display a certain mode or nothing at all Blank The table below indi cates which measurements can display which traces and which trace modes Note even if a trace is not displayed the results can still be queried see TRACe DATA on page 236 Suffix lt n gt lt 1 2 gt Screen number 1 screen A 2 screen B lt t gt lt 1 4 gt Trace number DISPlay Subsystem Parameters for setting and query lt Mode gt AVERage MAXHold MINHold WRITe PDFavg
128. UN CONT key Power vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the PvT softkey is not available include Power vs Time in the multiple measure ment selection or disable the multiple measurement mode Power vs Time Graph Full Fig 3 10 Full Burst view in Power vs Time Operating Manual 1176 7526 02 04 20 R amp S FSV K10 Instrument Functions GSM Power vs Time Graph Top High Resolution Avg Fig 3 12 Top High Resolution view in Power vs Time To zoom into the trace in the Power vs Time Full Burst view activate a marker and use the marker zoom see Marker ym on page 85 The table displays the following information see figure 3 13 Operating Manual 1176 7526 02 04 21 R amp S FSV K10 Instrument Functions GSM e The slot powers of all slots in the slot scope see chapter 3 2 7 Defining the Scope of the Measurement on page 39 The average power the peak power and the crest factor on a per slot basis are displayed The table contains results of the current Curr frame as well as the statistics done over all All analyzed frames according to the set statistic count e The Delta to Sync values correspond to the distance between the center of the Training Sequence TSC in a given slot and the center of the TSC in the Slot to Measure The unit is normal symbol periods
129. URCe EBOX USER CLOCk REFerence FREQuency 5MHZ Defines the frequency value of the reference clock Notation 4 Remote Commands GSM In this section all remote control commands specific to the GSM option R amp S FSV K10 are described in detail For details on conventions used in this chapter refer to section chapter 4 1 Notation on page 88 d 4 1 The remote commands of the R amp S FSV K10 are compatible to the FS K5 option for the FSP FSQ family to a great extent see the corresponding notes in the individual command descriptions However full compatibility can not be ensured For further information on analyzer or basic settings commands refer to the corre sponding subsystem in the base unit description At the end of this chapter an example program for a GSM measurement via remote control is provided LIE eco EL 88 LEE SS Lupe cci P 91 e Te EE D EN e GONFig te SUDSVSIOITI ooo phar eetiviiiechiniidedpaviieer atin ieee 95 e IDISPlay EE DEE 142 e en SHBSySlOfT 2 docendi De etate cr edad o dete cr t D 146 e INITIA MENSTER RE 181 e INP ut SubSystelli Eegen 183 e INSTrument Subsystem isset tentorio denda 186 e IMMEMorny SUbSySlgln rcr vented cett red ttl LEES 187 e LIS BUS um E 189 SENS SUDSYS EMi 2 csciseedcsepadeseeheadee ts inini Taani Aarie b
130. Usage Query only Mode GSM FETCh Subsystem FETCh BURSt MACCuracy IQOFfset AVERage This command reads out the average measurement of the IQ Offset taken over the selected number of bursts see Statistic Count on page 56 Return values Result numeric value Average value Default unit NONE Example FETC BURS IQOF AVER Usage Query only Mode GSM FETCh BURSt MACCuracy IQOFfset CURRent This command reads out the currently measured value of the IQ Offset taken over the selected number of bursts see Statistic Count on page 56 Return values Result numeric value Currently measured value Default unit NONE Example FETC BURS IQOF CURR Usage Query only Mode GSM FETCh BURSt MACCuracy IQOFfset MAXimum This command reads out the maximum measurement of the IQ Offset taken over the selected number of bursts see Statistic Count on page 56 Return values Result numeric value Maximum Default unit NONE Example FETC BURS IQOF MAX Usage Query only Mode GSM FETCh BURSt MACCuracy IQOFfset SDEViation This command reads out the standard deviation measurement of the IQ Offset taken over the selected number of bursts see Statistic Count on page 56 FETCh Subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example FETC BURS IQOF SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor PEAK AVERa
131. a Eaa 102 CONFioureM lcCH AkNnel GL OTcescMULT eene enne nnns ntn tnn 102 CONFIgurerMSECHANBeISEOTes S POL 52 2 trente Contatto tta rrt tere 103 CONFigure MSI CHANBelSEOT SP SCPIE uiia eoa pcs aue educ nk a cote i aseo eae uds 104 CONFioureM lcH AkNnel GL OTcezGUlBChannelcchzs Ter 105 CONFigure MS CHANnel SLOT s SUBChannel ch TSC USER eee 106 CONFigure MSI CHANBelSEOT S TSO rinon aini iaieiiea auaina inin 107 CONFigure MS CHANnel SLOT lt s gt TSC USER once aaaeaii 109 CONFigure MS CHANNeESLOT lt S gt Tt 110 CONFigurer MSIE CHANBeIE PS a ceo ne ect cert e cer ete etna de to 111 GONFigurepMSE CGHANBeITSQ USBR caret oe ertet bene a ENEE 111 CONFigure MS DEMod DECISION c cs sesceeseeeeeeeecerecenenenenecesenseeesanaeaeanasanenetenens 111 EEGENEN t eei eren ego rebate tenia 113 CONFig re MS DEVICE TYPE nerpia nnr naia cocer t euet e PAES N yv a AEAN 114 CONFigure MS ECONfigure MREFerence esses nnne 114 CONFioureM lECON oure GL OT MOtDulation eene 115 CON Figure MS MCARMEEES TA VG EE 115 CONFigure MS MCARrier ACTCarriers esses eene renean 116 CONFigure MS MCARrier BTSClass esses ener nre 116 CON Figure MSM CARE PUN E 117 GONFigure MS EMQOARrier MOBTS iiir reete araia e er aseo etr avene dg 117 SE L Lee e dE 117 CONFigure MSEMUETEBURSEGONSIOlL uacua terreat ze cna etude AE ee 118 CONFigu
132. a nain ka donna 162 FETCh BURSI MACCuracy OSUPpress MAXimum esses nennen nnne 163 FETOCH BURG MAC CuracvlOGllbpress GDEViattong AA 163 FETCh BURSI MACCuracy PERCentile EVM FETCh BURSI MACCuracy PERCerntile MERROTLmJ 5 2 2 einen trt etr ren th nain nens 164 FETCRh BURSIt MACGuracy PERCentile PERRO nsaria tnr ht ther ep ntn 164 FETOCH BURG MAC CuracvlPERor PEARK AVERagoed nre enne 164 FETCh BURSI MACCuracy PERRor PEAK CURRSent essssseseeeeeeeeee nennen nennen 165 FETOCH BURG MAC CuracvlPERor PEAkK MA Ximum nennen eene rennes 165 FETCh BURSI MACCuracy PERRor PEAK SDEViation essen nnns 165 FETCh BURSI MACCuracy PERRor RMS AVERage sess eene neret 165 FETCh BURSI MACCuracy PERRor RMS CURRent esses eene rennen en 166 FETCh BURSI MACCuracy PERRor RMS MAXimum sees ener rennen nennen 166 FETCh BURSI MACCuracy PERRor RMS SDEViation sess 166 FETCh BURSI MACCuracy EVM PEAK AVERage essere nennen nennen 150 FETCh BURSI MACCuracy EVM PEAK CURRent essent 151 FETOCH BURG MAC Curacvll EVMIPEAK MA Nimum nennen ener 151 FETCh BURSt MACCuracy EVM PEAK SDEViation FETOCH BURG MAC CuracvllEVMIRMS AVERagoe eens eeeeeeeaeesaeeseaeeseaeseaeeseeeesneeseaeesee 153 FETCh BURSI MACCuracy EVM RMS CURRent essere arae 153 FETCh BURS
133. able POWer Swap UO TE Swap IQ I a n S T Nero tiro E 231 Symbol DecisiOF rrr eri rt mete 71 Symbol period EH 2 2 terrre rien tent Synchronization T EIER al TC TE MN RT DP eC been Eege Timeslot alignment TRACE KEY qe TENET Trace VIZ WEE Training Sequence TSC Song AQPSK aa 66 User defined User defined AQPSK Transducer factors 98 Transient Ref Power 69 Transient Spectrum 1 oen rrr tree trees eere 26 79 Multi measurement mode ssssssess 73 Trigger Auto Set assssssinssessssisinessersrrnrensserneee External Free Run remote COMPO E 98 Settings 38 Trigger to Syll6 1t three ret eene 19 Remote control 138 e EE 78 TSC asec 31 36 64 e 66 setting remote Control saiisine 107 User defined User defined AQPSK TX Settings EXIJO BOX ED 86 U WEE Uplink Upper case commands V MAMOS EE 31 36 W Wide Modulation Spectrum eee cece cece eeneeeeee 27 Gen EE EA Wide PUISE 2 errore eret ege eve dreet 32 46 Wide Spectrum Go E EA Y le 31
134. aging Configuration Number of bursts as selected in Statistic Count in General Settings see Statistic Count on page 56 Limit Check None 3 1 5 Magnitude Error vs Time This measurement displays the magnitude error over time The measurement consists of a graph and a table which is a condensed version of the Modulation Accuracy table see chapter 3 1 2 Modulation Accuracy on page 13 e M memr Operating Manual 1176 7526 02 04 16 R amp S FSV K10 Instrument Functions GSM Magnitude Error vs Time Graph Fig 3 6 Magnitude Error vs Time graph Magnitude Error vs Time Modulation Accuracy 11 1 Current Average Peak StdDev Unit 0 20 0 20 0 24 0 02 0 50 0 52 0 63 0 05 Burst Power 30 56 0 17 dBm Amplitude Droop 0 00 0 00 dB Fig 3 7 Magnitude Error values in Modulation Accuracy list To start a Magnitude Error vs Time measurement select Demod gt Magnitude Error see Magnitude Error on page 77 and then start a measurement RUN SINGLE RUN CONT key Magnitude Error vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the Magnitude Error softkey is not available include Demod in the multiple mea surement selection or disable the
135. ak measurement of the Magnitude Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example READ BURS MERR PEAK SDEV Usage Query only Mode GSM READ Subsystem READ BURSt MACCuracy MERRor RMS AVERage This command starts the measurement and reads out the average of the RMS mea surement of the Magnitude Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit NONE Example READ BURS MERR RMS AVER Usage Query only Mode GSM READ BURSt MACCuracy MERRor RMS CURRent This command starts the measurement and reads out the currently measured RMS value of the Magnitude Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return v
136. ally set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem READ Subsystem Return values lt Result gt numeric value Maximum Default unit NONE Example READ BURS PEAK MAX Usage Query only Mode GSM READ BURSt MACCuracy EVM PEAK SDEViation This command starts the measurement and reads out the average of the peak mea surement of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example READ BURS PEAK AVER Usage Query only Mode GSM READ BURSt MACCuracy EVM RMS AVERage This command starts the measurement and reads out the average of the RMS mea surement of the Error Vector Magnitude taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values Result numeric value Average Default unit NONE Example READ BURS RMS AVER Usage Query only Mode GSM
137. alue Crest factor Default unit dB FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOTO CURRent CRESt Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt CURRent MAXimum This command reads out the maximum power for the selected slot for the current burst This command is only available if Power vs Time measurement is selected and if the slot is part of the selected slot scope see chapter 3 2 7 Defining the Scope of the Measurement on page 39 Suffix lt s gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure s First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Maximum Default unit dBm FETCh Subsystem Example Preset the instrument RST En
138. alue returned above from INPut1 EATT command L 5 lt filter type gt NORM gaussian or P5 5 pole 6 rbw 30KHZ 7 vbw 30KHZ 8 lt MeasTime gt lt StatisticCount gt lt GateLength gt 200 0 0001689 33 78 MS Pi 9 TriggerLevel 0 reserved must be zero SENSe1 LIST POWer SEQuence 1 GHZ 2 5 dBm SENSe1 LIST POWer RESult Example 8 2933588028 Do the list power measurement The returned values are the offset powers in dBm 13 dB 0 dB NORM 30 KHZ Input parameters have the same format as above for the reference power measurement The lt MeasTime gt value for a statistic count of 20 is calculated as lt MeasTime gt lt StatisticCount gt lt GateLength gt 200 0 0001689 33 78 MS Note the command below must be entered on a single line The command returns the modulation powers per measured offset frequency in dBm seperated by commas The list can be modified in order to measure only at certain offset frequencies SENSe1 LIST POWer SEQuence 0 99420GHZ 2 5DBM 13DB ODB NORM 100KHZ 0 99440GHZ 2 5DBM 13DB ODB NORM 100KHZ 0 99460GHZ 2 5DBM 13DB ODB NORM 100KHZ 100KHZ 100KHZ 100KHZ 33 78MS 33 78MS 33 78MS offset frequency 0 30 KHZ 33 78 MS 0 Example for a Measurement Performed via Remote Control 0 99480GHZ 2 5DBM 13DB ODB NO
139. alues Result numeric value Currently measured value Default unit NONE Example READ BURS MERR RMS CURR Usage Query only Mode GSM READ BURSt MACCuracy MERRor RMS MAXimum This command starts the measurement and reads out the maximum of the RMS mea surement of the Magnitude Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Maximum Default unit NONE Example READ BURS MERR RMS MAX READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy MERRor RMS SDEViation This command starts the measurement and reads out the standard deviation of the RMS measurement of the Magnitude Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example READ BURS MERR RMS SDEV Usage Query only Mode GSM READ BURSt MACCuracy OSUPpress AVERage This command starts the measurement and reads out the average measurement of the IQ Offset Suppre
140. ame configuration is ambiguous i e if the slot properties are cyclic with a cycle less than the frame duration Refer to section General Settings on page 52 to learn more about appropriate trig ger settings and the frame slot configuration Refer to section Auto Set tab on page 75 to learn more about auto setting the trigger offset 3 2 7 Defining the Scope of the Measurement The R amp S FSV K10 is a slot based application It can measure up to 8 consecutive GSM slots 1 frame and store the power results for all slots Power vs Time mea surement see chapter 3 1 8 Power vs Time on page 20 Within this measurement interval defined by First Slot to measure and Number of Slots to measure a single slot Slot to Measure on page 61 is selected for a more detailed analysis e g Modulation Accuracy measurement see chapter 3 1 2 Modulation Accuracy on page 13 The Slot to Measure provides e The reference power and time reference for the Power vs Time measurement see chapter 3 1 8 Power vs Time on page 20 The masks for all slots are time aligned according to the timing of the Slot to Measure e The results of all Modulation Spectrum diagrams are based on the Slot to Mea sure on page 61 see chapter 3 1 9 Modulation Spectrum on page 23 The results of all Transient Spectrum diagrams are based on the slot scope i e on the interval defined by the First Slot to measure and the Number of Slots to mea
141. ample CONF POW AUTO OFF Mode GSM Manual operation See Reference Level on page 54 CONFigure MS POWer AUTO SWEep TIME Value This command is used to specify the auto track time i e the sweep time for auto level measurements or swept measurements and the capture time for auto detection Parameters for setting and query Value numeric value Auto level measurement sweep time Range 0 01 to 1 RST 0 1s Default unit S Example CONF POW AUTO SWE TIME 0 01 MS Mode GSM Manual operation See Auto Track Time on page 59 CONFigure Subsystem CONFigure MS PRATe lt Value gt This command is retained for compatibility with R amp S FS K5 only This command has no effect Parameters for setting and query lt Value gt numeric value RST 4 Default unit NONE Mode GSM CONFigure MS RESTore This command is retained for compatibility with R amp S FS K5 only This command has no effect Mode GSM CONFigure MS SSEarch lt State gt This command is retained for compatibility with R amp S FS K5 only In new K10 remote scripts use CONFigure MS SYNC MODE TSC or CONFigure MS SYNC MODE ALL instead see CONFigure MS SYNC MODE on page 127 Parameters for setting and query State 110 ON OFF ON TSC search on OFF TSC search off RST 1 Example CONF SSE ON Mode GSM CONFigure MS SYNC IQCThreshold lt Value gt This command sets the IQ correlation threshold
142. andeysentgdeaseeeteanaee dss 229 HEN E 232 e TRACGOSIUDSVSIOITI ierra reri e Eege dE 236 e le EE 238 e Commands for Compatibility cessere 241 e Example for a Measurement Performed via Remote Control 242 Notation In the following sections all commands implemented in the instrument are first listed and then described in detail arranged according to the command subsystems The notation is adapted to the SCPI standard The SCPI conformity information is included in the individual description of the commands Individual Description The individual description contains the complete notation of the command An example for each command the RST value and the SCPI information are included as well The options and operating modes for which a command can be used are indicated by the following abbreviations Notation Abbreviation Description A spectrum analysis A F spectrum analysis span gt 0 only frequency mode A T spectrum analysis zero span only time mode ADEMOD analog demodulation option R amp S FSV K7 BT Bluetooth option R amp S FSV K8 CDMA CDMA 2000 base station measurements option R amp S FSV K82 EVDO 1xEV DO base station analysis option R amp S FSV K84 GSM GSM Edge measurements option R amp S FSV K10 IQ IQ Analyzer mode OFDM WiMAX IEEE 802 16 OFDM measurements option R amp S FSV K93
143. ange Data without tolerance limits is not binding R amp S is a registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R amp S9FSV is abbreviated as R amp S FSV Contents T E 5 1 4 Documentation Overview eeeeeeeeeeee nennen nennen nnn nennen rinse nent nnne nennen 5 1 2 Conventions Used in the Documentation eese nnn 7 1 3 How to Use the Help System cccecseeeceessseeeeeeseeneeeeeseeeeeeeessseeeeeeaseseeeeeesseeneeeenneeseenens 8 1 4 Notes for Users of R amp S FSV 1307 9002Kxx Models eese 9 AM idee 10 3 Instrument Functions GSM esee 11 3 1 Measurements and Result Displays eene nennen 12 3 2 Further Information roin etnia ne eerta ANRE 31 3 3 Softkeys and Settings of the GSM Menu seen 50 34 FREQ Ke yeas EE 82 cal 82 3 6 AUTO SET WE 82 37 SWEEP EE 83 3 5 TRACE KEY eege gege eio can ia end aa aE Ea 83 3 9 TRIG EE 84 3 10 Softkeys of the Marker Menu MKR Key eeeeeennneneennnm nnn 84 3 41 Softkeys of the Marker to Menu MKR Key eeeeeeenennm m 85 3 12 Softkeys of the Input Output Menu 85 4 Remote Commands GSM eee ione era cose eura h ieee 88 4 1 Notatlon EE 88 e
144. apter 3 1 4 EVM vs Time on page 15 at the positions of the incorrect bits Remote command CONFigure MS DEMod STDBits on page 113 Multi Meas Tab Meas Settings This tab allows you to perform several measurements at once E Measurement Settings Multi Meas amp MULTi SPECtrum MODulation ON Multiple Measurement Mode active Multi Meas Tab Meas Settings Activates the multiple measurement mode In this mode several measurement results can be calculated on the same captured UO data in parallel Only the results of the selected measurements are available The softkeys for the other measurements only become available again when you deactivate multiple measurement mode or include the measurement in the multiple measurement selection Use this mode to reduce total measurement time if you know in advance which mea surement results are required Remote command CONFigure MS MULTi STATe on page 120 Power vs Time Multi Meas Tab Meas Settings If enabled the results of the Power vs Time measurement see chapter 3 1 8 Power vs Time on page 20 are included in an active multiple measurement Remote command CONFigure MS MULTi BURSt PTEMplate on page 119 Softkeys and Settings of the GSM Menu Demod Multi Meas Tab Meas Settings If enabled the results of the Modulation Accuracy EVM vs Time Phase Error vs Time and Magnitude Error vs Time measurements are included in an
145. asurement is performed for offset frequencies up to 6000 kHz from the carrier Remote command CONFigure WSPectrum MODulation LIST SELect on page 141 No of Bins Advanced tab Meas Settings This parameter specifies the number of bins for the histogram of the Trigger to Sync measurement Remote command CONFigure TRGS NOFBins on page 138 R amp S FSV K10 Instrument Functions GSM Adaptive Data Size Advanced tab Meas Settings This parameter specifies the number of measurements UO captures after which the x axis is fixed for the histogram calculation of the Trigger to Sync measurement Remote command CONFigure TRGS ADPSize on page 138 IQ Correlation Threshold Advanced tab Meas Settings This threshold determines whether a burst is accepted if Measure only on Sync is acti vated If the correlation value between the ideal IQ signal of the given TSC and the measured TSC is below the IQ correlation threshold then the application reports Sync not found in the status bar Additionally such bursts are ignored if Measure only on Sync is activated Note If the R amp S FSV K10 is configured to measure GMSK normal bursts a threshold below 97 will also accept 8PSK normal bursts with the same TSC for analysis In this case activate Measure only on Sync and set the IQ Correlation Threshold to 97 This will exclude the 8PSK normal bursts from the analysis Remote command CONFigure MS SYNC IQCThresh
146. ate 325 ksymb s but have bit rates of 2 x 325 kbit s 4 x 325 kbit s or 5 x 325 kbit s respectively The details are specified in chapter 5 3GPP TS 45 004 see table 3 1 The figure below shows the modulation spectrum for both GMSK and 8PSK Modulation Spectrum 200 700 om am em 300 200 100 LJ 100 200 30 Ls 50 en 70 amp 0 Frequency Offset MHz Fig 3 20 GMSK and 8PSK modulation spectrum The customers demand for higher telecommunication speeds increases the demand for bandwidth Therefore the GSM standard has to evolve constantly An example of this development is the introduction of the EDGE EDGE Evolution specification and the GPRS EGPRS2 and HSCSD modes Until now each mobile could use only one slot per frame but the new HSCSD High Speed Circuit Switched Data and GPRS General Packet Radio Service methods will allow permanent assignment of more than one slot per mobile plus dynamic utilization of multiple slots The concept behind GPRS is dynamic assignment of up to 8 slots to each mobile for data transmission depending on demand and availability in the network HSCSD allows permanent assignment of up to 4 slots to a mobile The modulation modes GMSK QPSK 8PSK 16QAM and 32QAM can be used with either normal or higher symbol rate and different TX filters R amp S FSV K10 Instrument Functions GSM What is significant for the R amp S FSV K10 application firmware in this respect is that the mobi
147. bandwidth used to measure the reference power in Hz Example FETCh SPECtrum SWITching REFerence Usage Query only Mode GSM 4 6 3 FETCh WSPEctrum subsystem FETChWSPectrumiMObDulation ALL e 2 222 01212 Let veel ropes dete cepe etae ler oe cha iion ens 180 FETCh WSPectrum MODulation REFerence eese nennen nennen nnns 180 FETCh Subsystem FETCh WSPectrum MODulation ALL This command reads out the result of the Wide Modulation Spectrum measurement of the mobile or base station This command is only available if the modulation spec trum measurement is selected see CONFigure WSPectrum MODulation IMMediate Return values Placeholder curently irrelevant lt Freq1 gt Absolute offset frequency in Hz lt Freq2 gt Absolute offset frequency in Hz lt Level gt Measured level at the offset frequency in dB or dBm lt Limit gt Limit at the offset frequency in dB or dBm lt Abs Rel gt Indicates whether relative dB or absolute dBm limit and level values are returned lt Status gt Result of the limit check in character data form PASSED no limit exceeded FAILED limit exceeded Example FETCh WSPectrum MODulation ALL Usage Query only Mode GSM FETCh WSPectrum MODulation REFerence This command returns the measured reference power of the Wide Modulation Spec trum This command is only available when the Wide Modulation Spectrum mea surement is selected see CONFigure WSPectrum MOD
148. becomes similar to a 12PSK constellation e Additional multi carrier parameters become available Remote command CONFigure MS MCARrier MCBTs on page 117 No of active Carriers Multicarrier tab Meas Settings Specifies the total number of active carriers of the multi carrier BTS to be measured Its value affects the calculation of the limits according to the 3GPP standard for the modulation spectrum measurement see 3GPP2 TS 45 005 chapter 4 2 1 Spectrum due to modulation and wide band noise The limit is relaxed by 10 log N dB for fre quencies 2 1 8 MHz Remote command CONFigure MS MCARrier ACTCarriers on page 116 BTS Class Multicarrier tab Meas Settings For future use Remote command CONFigure MS MCARrier BTSClass on page 116 PvT Filter Multicarrier tab Meas Settings Controls the filter used to reduced the measurement bandwidth for multi carrier Power vs Time measurements For multi carrier BTS measurements the PvT Filter parame ter in the Advanced tab is ignored see PvT Filter on page 67 For further details on filtering in the R amp S FSV K10 see chapter 3 2 8 Overview of fil ters in R amp S FSV K10 on page 40 The following filters are supported Note The PvT filter is optimized to get smooth edges after filtering burst signals and to suppress adjacent active channels A00 kHz MC default Recommended for measurements with multi channels of equal power Softkeys and
149. ber which identifies the fre quency channel within the specific frequency band The GSM channel spacing is 200 kHz Communication between a mobile and a base station can be either frequency continu ous or frequency discrete distributed across various frequency channels FDMA In the standard the abbreviation SFH slow frequency hopping is used to designate the latter mode of communication Base stations and mobiles communicate in different frequency ranges the mobile sends in the uplink UL and the base station in the downlink DL The frequencies specified in the standard plus their channel numbers ARFCN are shown in the figure and table below Frequency MHz 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 Ta De ee T GSM 380 H Uplink Downlink H T GSM 410 H GSM 450 i GSM 480 uf GSM 710 e GSM 750 H T GSM 810 IE GSM 850 H Frequency Band H P GSM 900 ely E GSM 900 Fr mH R GSM 900 K T GSM 900 a DCS 1800 Ly PCS 1900 Fig 3 19 The frequencies specified in the GSM standard R amp S FSV K10 Instrument Functions GSM Table 3 5 Frequencies and channel numbers ARFCN in the GSM standard Band Class UL Fre DL Fre Fre Band UL ARFCN MHz quen MHz quen quen DL cy cy cy Shift Mid
150. ble Midaenble Midamble Midamble Midarble Midamble 156 25 NSP 156 25 NSP 156 25 NSP 156 25 NSP 156 25 NSP 156 25 NSP 156 25 NSP 156 25 NSP 1875 RSP 187 5 RSP 187 5 RSP 187 5 RSP 187 5 RSP 187 5 RSP 187 5 RSP 187 5 RSP Fig 3 34 Not equal top and equal bottom timeslot length criteria Note that since the reference point at the middle of midamble of each slot must coin cide the length of the guard interval between successive bursts will depend on both the timeslot length and the symbol rate of bursts in successive slots As stated in the standard 3GPP TS 45 010 for the Equal Timeslot Length case if there is a pair of different symbol period bursts on adjacent timeslots then the guard period between the two bursts shall be 8 5 normal symbol periods which equals 10 2 reduced symbol periods For the Not Equal Timeslot Length case deriving the guard interval length is some what more complicated and the possible values are summarized in Table 5 7 2 of 3GPP TS 45 010 reproduced below as table 3 8 for convenience Table 3 8 Guard period lengths between different timeslots Burst Transition Guard Period Between Timeslots In Guard Period Between Timeslots In terms of normal symbol periods terms of reduced symbol periods TSO and TS1 or Any other time TSO and TS1 or Any other timeslot TS4 and TS5 slot palr TS4 and TS5 pair normal symbol 9 8 10 8 9 6 period to normal symbol period normal sym
151. bol 9 25 8 25 11 1 9 9 period to reduced symbol period Softkeys and Settings of the GSM Menu Burst Transition Guard Period Between Timeslots In terms of normal symbol periods Guard Period Between Timeslots In terms of reduced symbol periods TSO and TS1 or Any other time slot pair TSO and TS1 or Any other timeslot pair period to reduced symbol period TS4 and TS5 TS4 and TS5 reduced symbol 9 25 8 25 11 1 9 9 period to normal symbol period reduced symbol 9 5 8 5 11 4 10 2 3 3 Softkeys and Settings of the GSM Menu The following table shows all softkeys and settings available from the main menu of the GSM application General Settings Press the MEAS key to open this menu 52 CPR YS CNG so xir ba a roii DER i n np Plein 52 L Device Under Test Typi eee eimi cin creta 53 L Freg ngy BEIM esr patet Hebe trud tU Tsubasa ocu 53 MEI D NN E TT 54 D Me 54 Kee DEUS Lesser tds itat dentis etae ugeet 54 E Exfemal Altenustiohi Los eate ooa o b rta d 54 Nl g ree e ENT 54 beet ee 55 Ee EE 55 EE 55 L Measure only on Sne 56 L Tigger WR RE TOO 56 Bi cq MM 56 B 0 MM 56 L Advanced Seling Tab orden D reb eina des tri tend tulad 57 Ei SERENO T 57 L Frequency OMSCE aici ccissscccssnuisasssdsndesessecawessatuisuaseadiaveiusdoxaiseuseds 57 L Ref E
152. bove this value will not be measured correctly which is indicated by the IFOVL status display AUTO enables continuous auto levelling In this case the optimal reference level for the current measurement is defined automatically Remote command DISPlay WINDowcn TRACe t Y SCALe RLEVel RF on page 145 CONFigure MS POWer AUTO on page 125 External Attenuation Primary Settings General Settings Specifies the external attenuation or gain applied to the RF signal A positive value indicates attenuation a negative value indicates gain Displayed power level values are shifted by this value This setting is not available for signals from the Digital Baseband Interface R amp S FSV B17 Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel OFFSet on page 145 Power Class Primary Settings General Settings The following power classes are supported e 1 8 BTS e 1 5 MS GMSK Softkeys and Settings of the GSM Menu e E1 E2 E3 MS all except GMSK e M1 M2 M3 Micro BTS e P1 Pico BTS The default power class is 2 Remote command CONFigure MS POWer CLASs on page 123 Signal Source Primary Settings General Settings The following signal sources are supported e RF Input e Digital Baseband only with Digital Baseband Interface R amp S FSV B17 Remote command INPut SELect on page 186 Capture Time Primary Settings General Settings Spec
153. c value gt Range 1E 06 V to 7 071 V RST 1V Example INP DIQ RANG 1V Mode A IQ NF TDS VSA CDMA EVDO WCDMA ADEMOD GSM OFDM OFDMA WiBro WLAN Manual operation See Full Scale Level on page 60 INPut DIQ SRATe lt SampleRate gt This command specifies or queries the sample rate of the input signal from the R amp S Digital UO Interface see Input Sample Rate on page 59 This command is only available if the optional R amp S Digital WO Interface option R amp S FSV B17 is installed For details see the R amp S Digital UO Interface R amp S FSV B17 description of the base unit Parameters lt SampleRate gt Range 1 Hz to 10 GHz RST 32 MHz Example INP DIQ SRAT 200 MHz Mode A IQ NF TDS VSA CDMA EVDO WCDMA ADEMOD GSM OFDM OFDMA WiBro WLAN Manual operation See Input Sample Rate on page 59 INPut EATT lt Attenuation gt This command defines the electronic attenuation INPut Subsystem If necessary the command also turns the electronic attenuator on This command is only available with option R amp S FSV B25 but not if R amp S FSV B17 is active The attenuation can be varied in 1 dB steps from 0 to 25 dB Other entries are rounded to the next lower integer value If the defined reference level cannot be set for the given RF attenuation the reference level is adjusted accordingly and the warning Limit reached is output Parameters lt Attenuation gt 0 25 RST 0 dB OFF
154. ch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the center frequency to 935 MHz SENSel FREQuency CENTer 935MHz Multiple measurement mode example for a 16QAM signal Configure for a 16QAM signal CONFigure MS CHANnel SLOTO ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe QAM16 CONFigure MS CHANnel SLOTO FILTer LINearised CONFigure MS CHANnel SLOT1 OFF CONFigure MS CHANnel SLOT2 OFF CONFigure MS CHANnel SLOT3 OFF CONFigure MS CHANnel SLOT4 OFF CONFigure MS CHANnel SLOT5 OFF CONFigure MS CHANnel SLOT6 OFF CONFigure MS CHANnel SLOT7 OFF Set the statistic count SENSe1 SWEep COUNt 200 JI Activate the multi meas mode CONFigure MS MULTi STATe 1 Select all required measurements CONFigure MS MULTi BURSt DEModulation 1 CONFigure MS MULTi SPECtrum MODulation 1 CONFigure MS MULTi BURSt PTEMplate 1 CONFigure MS MULTi SPECtrum SWITching 1 JI Turn off the display while the measurement is running SYST DISP UPD OFF Run a blocking single sweep INITiate IMMediate WAI Turn on the display to view results SYST DISP UPD ON Mode GSM Gl Manual operation See Multiple Measurement Mode active on page 72 CONFigure MS NETWork TYPE lt Value gt This command works in conjunction with the CONFigure MS NETWork FRE Quency BAND command to specify the frequency band of the signal to be measured
155. command starts the measurement and reads out the average power for the selected slot for all measured burst This command is only available if Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt Slot gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure S s First slot to measure Number of Slots to measure 1 Return values Result numeric value Average Default unit dBm READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Please use FETCh to query several results READ BURSt SPOWer SLOT1 ALL AVERage Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt ALL CRESt This command starts the measurement and reads out the crest factor for the selected slot for all measured burst This command is only available if Power vs Time measurement is selected see CO
156. curacy softkey is not available include Demod in the multiple measurement selection or disable the multiple measurement mode The following default settings are used for a Modulation Accuracy table EH Operating Manual 1176 7526 02 04 13 R amp S FSV K10 Instrument Functions GSM Setting Default Measurement Scope The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Averaging Configuration Number of bursts as selected in Statistic Count in General Settings Statis tic Count on page 56 Limit Check None Amplitude Droop The Amplitude Droop value shown in the result table indicates the total change in amplitude in dB over the estimation range The estimation range is set according to the 3GPP standard Burst type Modulation type Estimation Range Normal burst GMSK 147 normal symbol periods Normal burst 8PSK 16QAM and 32 QAM EGPRS2 142 normal symbol periods Level A Higher Symbol Rate burst QPSK 16QAM and 32QAM EGPRS2 169 reduced symbol periods Level B Origin Offset Suppression The relation between the current values of the UO offset and the Origin Offset Suppres sion OOS is as follows IIQ offset OOS yp 20 e ee 1 The Origin Offset Suppression value in the Peak column displays the minimum value not the maximum as for other items which is the worst case value 3 1 3 Phase Erro
157. d up measurement SENSe1 SWEep TIME MINimum JI Auto set trigger offset Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS PTEM TRGS AVER Usage Query only Mode GSM FETCh BURSt PTEMplate TRGS CURRent This command reads out the most recently measured time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Statistic Count on page 56 This com mand is only available if an external trigger is selected and the Trigger to Sync mea surement is active see CONFigure TRGS IMMediate on page 138 FETCh Subsystem Return values lt Result gt numeric value Currently measured value Default unit S Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum Run a blocking single sweep INITiate IMMediate WAI I JI Query the measurement result FETC BURS PTEM TRGS CURR Usage Query only Mode GSM
158. de Remote command TRIGger lt n gt SEQuence LEVel IFPower on page 239 TRIGger n SEQuence LEVel EXTernal on page 238 Swap I Q RF Input Advanced Settings tab General Settings Swaps the and Q values of the signal Swapping and Q inverts the sideband Tip Try this function if the TSC can not be found ON and Q are exchanged inverted sideband Ou OFF Normal sideband I j Q Remote command SENSe SWAPiq on page 231 Baseband digital Advanced Settings tab General Settings Settings for Digital Baseband only with Digital Baseband Interface R amp S FSV B17 Input Sample Rate Baseband digital Advanced Settings tab General Set tings Defines the sample rate of the digital I Q signal source This sample rate must corre spond with the sample rate provided by the connected device e g a generator Remote command INPut DIQ SRATe on page 184 Softkeys and Settings of the GSM Menu Full Scale Level Baseband digital Advanced Settings tab General Set tings The Full Scale Level defines the level that should correspond to an I Q sample with the magnitude 1 Remote command INPut DIQ RANGe UPPer on page 184 Meas Settings Opens the Measurement Settings dialog box The Measurement Settings dialog box consists of the following tabs e Demod tab on page 60 Advanced tab on page 67 Multi Meas Tab on page 72 Multicarrier tab on page 73 Auto Se
159. dle Low Up Low Up UL DL Range 1 Range 2 T GSM 380 380 2 389 8 390 2 399 8 385 0 395 0 10 0 48 MHz T GSM 410 410 2 419 8 420 2 429 8 415 0 425 0 10 0 48 MHz GSM 450 450 4 457 6 460 4 467 6 454 0 464 0 10 259 293 MHz GSM 480 478 8 486 0 488 8 496 0 482 4 492 4 10 306 340 MHz GSM 710 698 0 716 0 728 0 746 0 707 0 737 0 30 0 90 MHz GSM 750 747 0 762 0 777 0 792 0 754 5 784 5 30 438 511 MHz T GSM 810 806 0 821 0 851 0 866 0 813 5 858 5 45 0 751 MHz GSM 850 824 0 849 0 869 0 894 0 1836 5 881 5 45 128 251 MHz P GSM 900 890 0 915 0 935 0 960 0 1902 5 947 5 45 1 124 MHz E GSM 900 880 0 915 0 925 0 960 0 1897 5 942 5 45 0 124 975 1023 MHz R GSM 900 876 0 915 0 921 0 960 0 1895 5 940 5 45 0 124 955 1023 MHz T GSM 900 870 4 876 0 915 4 921 0 873 2 918 2 45 0 28 MHz DCS 1800 1710 1785 1805 1880 1747 1842 95 512 885 0 0 0 0 5 5 MHz PCS 1900 1850 1910 1930 1990 1880 1960 80 512 810 0 0 0 0 0 0 MHz 1 For these frequency bands there is no fixed ARFCN to frequency assignment instead it is calculated with a formula taking an OFFSET parameter which is signaled by a higher layer of the network The given ARFCNs assume an OFFSET value of 0 Different modulation modes a
160. does not influence the status registers e Commands of the STATUS subsystem eene tenente 232 e STATus QUEStionable Gubsvsiem enne 233 4 13 1 Commands of the STATus subsystem STATus OPERation EVENt This command queries the contents of the EVENt part of the STATus OPERation reg ister The contents of the EVENt part are deleted after readout Example STAT OPER Mode all STATus OPERation CONDition This command queries the CONDition part of the STATus OPERation register see the base unit description of status registers in the Remote Control Basics chapter Readout does not delete the contents of the CONDition part The value returned reflects the current hardware status Example STAT OPER COND 4 13 2 STATus Subsystem Mode all STATus QUEStionable Subsystem This subsystem queries the information in the status reporting system For details see chapter 5 Status Reporting System on page 250 STATus QUEStlonable POWerPEVENT J rot orte nt SES 233 STATus OUEGtonable POWerCOhNDiton esee eene nnne nn snnt nni 233 STATus QUESHBonablePOWerENABl 2 2 2 2 2 trt a sro text rena rote deno reza deb epis 233 STATusOUEGuonable POWerNTRansitton aa ai aaaea ina raiak 234 STATusOUEGuonable POWerPD Ranstton essen nnne nn enne 234 STATus QUEStIonablE S d le E KEE 234 STATUs QUESHonable S YNC IGONDDIOR 1 oer rese reto ae eere ern 235 STATus QUEStionable SYNC ENABl6
161. ds eiae e rre derer re RH idet c a Feb oe bn Puce ten tenes 114 GONFigureEMSJ ECONTigure MREFGFehce rectore rh reet ritiene er c rere noun 114 CONFigure MSI ECONfigure SLOT s MObDulation ran eot tnr rns 115 GONFigurerMSEEGCONTgSUure STATS puteis toten eo o oir eut Se eee SEE E FOR SERE ER eege 241 GONFigureEMSEMOCARTrIeE AG TGAITIGrS uiii ooi tte rine id rh rto en x o kPa PEE Ia ia 116 GONFigureE MSIEMGOARrier BTSCIass oerte ret terere hae na oe NEEN 116 GONFigurerMSEMCARtrIeEFIIEOE criar ri Fi og epi oa bts een re epe es chews Que ern QR nec e one EA CONFigure MS MCARrier MCBTs CONFigure MS MCARrier STATe CONFigure R EECH RR d GONFigurerMSEMUETEB RSEGONStell 21 2 27 2 2 rrr tc tren eerie vegeE EES CONFigurerMSEMULTEB RSEBEModulation 2 tete rent Quen teret n Cu et CONFigure MSEMULTIBURSEPTEMMplate 2 2 1o oat rei eeepc erento reas REESEN EES GONFigure MS MULTI SPECtrum MODWUlatioti 5222 1 12r einn ntn erroe CONFigure MS MULTi SPECtrum SWITching GONFigure MS MULTIS EE GONFigureEMS I NETWork FREQuUuency BAND opt eterne rt tra eri ert ne nex ETS UR ENTENTE d oio oot Et te rrr erret eue pat tp eto een Pe ca eee CONFigurel Bel E Me GONFigure MSEPOWer AUTO SWEODp TIME itcr cierre c eter EE eiie weer CONFigure iMS POWenCLASS gege ee Seelen CONFigure MS POWer STATic ge GONFigureE MS PRATe n root rer tr rrr ee
162. e Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Please use FETCh to query several results READ BURSt SPOWer SLOT1 CURRent AVERage Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt CURRent CRESt This command starts the measurement out the crest factor for the selected slot for the current burst This command is only available when the Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix Slot lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure s First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Crest factor Default unit dB READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot
163. e PSK8 CONFigure MS CHANnel SLOT4 MTYPe PSK8 CONFigure MS CHANnel SLOT5 MTYPe PSK8 CONFigure MS CHANnel SLOT6 MTYPe PSK8 CONFigure MS CHANnel SLOT7 MTYPe PSK8 Old FS K5 commands CONFigure MS CHANnel SLOT1 MTYPe GMSK CONFigure MS CHANnel SLOT1 MTYPe Il gt GMSK Please use the following K10 commands instead CONFigure MS CHANnel MSLots MEASure gt 0 This is the slot number of the slot to measure JI Set and query the modulation of the slot to measure CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO MTYPe gt GMSK GSM CONFigure MS MULTi BURSt CONStell lt State gt Use this command to always include exclude the calculation of the results of the Constellation measurement when the multiple measurement mode is active see CONFigure MS MULTi STATe Parameters for setting and query lt State gt Mode 110 ON OFF ON Calculate Constellation results OFF Do not calculate Constellation results RST 1 GSM CONFigure Subsystem Manual operation See Constellation on page 73 CONFigure MS MULTi BURSt DEModulation lt State gt Use this command to always include exclude the calculation of the results of the Mod ulation Accuracy EVM vs Time Phase Error vs Time and Magnitude Error vs Time measurements when the multiple measurement mode is active see CONFigure MS MULTi STATe Parameters for setting and query State 1 O0 ON OFF ON Calcu
164. e acne 213 READ BURSEPTEMplate TRGS CURR6ent 2 2 ttt entere o pee EE 213 READ BURStPTEMplate T RGS MAXimIUm 5 aao descended cto qoo eu ee ede a Fe SEENEN SEENEN 214 READ B RSEPTEMplate TRGS MINIMUM occae ec cna mr cr D E FER F e dE 215 READ BURSEPTEMplate TRGS SDEWVialiofi trt den etre odere dpt vc Rod e obs 216 READ BURG SbOwWer GL OT Glotz ALL AVERage ue 217 READ B RSESPOWSer SEOTSSIOES ALL GRESE 2 e ette cuc erg rere durer ce e eic nee 218 READ BURSESPOWer SLOTsSlot ALL MAXimUtm 9 liner ccce eee ia 219 READ BURSt SPOWer SLOT lt Slot gt CURRent AVERage is READ BURSESPOWer SEOTsSIot CURRent CRESI ecc EEN necne iA ENT READ BURG GbOwWer GL OT Glotz CUbRbent MANimum eene 222 READ BURSESPOWern SLOT lt SI0t DEL Tatos yn is cito aec dne seni d diui Rust dde pda 223 READ B RSI MACCuracyEADROooOp AVERAge ee UNE a da cid eerie 192 READ BURSI MAGCGuracy ADROOp CURR 6nt rtt ENEE cete eae Ep deed et gp 192 READ BURG MAC CuracvlADbRoop MANimum A 192 READ BURSt MACCuracy ADRoop SDEViation READ BURSIH MAG MISE iesen tct EES dE READ BURSIEMAGCGUracy ALLE tetuer ie tete tese ses Hed ret s vans rao Cede dE gin cse SEENEN 191 READ B RSI MAGCCuracy BPOWer AVERAQG 1 criteri iet edu tueri qai E 193 READ BURSI MAGCGuracy BPOWer CURR Ont ioter ctt el ctp eere ave rtg SEENEN 194 READ BURSI MACCuracyEBPOWer MAXimHBtm u
165. e analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Standard deviation Default unit NONE Example READ BURS IQIM SDEV Usage Query only Mode GSM READ Subsystem READ BURSIt MACCuracy IQOFfset AVERage This command starts the measurement and reads out the average measurement of the IQ Offset taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsys tem Return values Result numeric value Average Default unit NONE Example READ BURS IQOF AVER Usage Query only Mode GSM READ BURSIt MACCuracy IQOFfset CURRent This command starts the measurement and reads out the currently measured value of the IQ Offset taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Currently measured value Default unit NONE Example READ BURS IQOF CURR Usage Query only Mode GSM READ BURSt MACCuracy IQOFfset MAXimu
166. e ere tr ek ce rH ve HEP Ee ne e Re x xxn GONFigureEMSPERES Tore eis aii teaser et oit ro eere eii Brea thay e ex ee ere ci eet end eoo eeg GONFigureE MS SSEGtCII unte ett tr retro ee teen m rr erre mra E eon EES UNO EN d Tele eu E 126 GONFigurerMSESYNC MODDE sientan iess nan a Eos ga neqoe t sa at ere atus eu adden ibus oda RE eua 127 CONFigurebMSESYNG ONLY scii cocti tr rotate ee cre es ene tectae EY EVE SE us enti eaten a E XY RU REN TE 128 NIE Elle ER EE 142 BISPlay WINDowsnP SSELE6e6t niit eto Et cheat ru arc nieto oer oa Ei Fe Sune dame UR su Pese ia Puer 143 DISPlay WINDowsn gt TIRACE lt t gt MODE rioris cta rere nner m ERE kn e EL EXEC DEP EHE RYE DELIS 143 DISPlay WINDow n TRACe t Y SCALe RLEVel OFFSet esee 145 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel RF e FETCIh B RSEPTEMplate TRGS AVERAQ6 t iaee ciet no do ee Eee ERE EAEt FETCRh BURSCEPTEMplate TRGS CURRORIU icoiter tiene engen fp e Pp pee ve Ue p RB 167 FETCIEBURSCPTEMplate TRGS MAXIMUM Z rregi tha tette etis entm dEde edd 168 FETCh BURSEPTEMplate TRGS MINIMUM 10 scc icr eoi reci etre v ee rea nen ER eei 169 FETCh BURStPTEMplate TRGS SDEVIation v 22 ccc trant tpe pe EELER C 169 FETCh BURSESPOWer SEOT Ss ALE AVERGAQgO irridet ve en pep ordeo ci VH RER Pkt R EE 170 FETCh BURSt SPOWer SLOT lt s gt ALL CRESt FETCh BURSESPOWer SLOT lt s gt ALL COOC Ed 172 FETCh BURStSPOWer SLOT s CURR
167. ear Symbol Decision ceret 71 Linearised GMSK Pulse erre ee 45 Lower case commands eese 89 M Magnit deEITOE etti ere epo sept 77 Magnitude Error vs TIME rete 16 Multi measurement mode eseeess 73 Markers Ioue Measure only on Sync Measure Slol odo ined cen Eegen Ed Measurement Constellation TIME irte crates 18 EVM VS TIME coti to et tre ret retra aae 15 Magnitude Error VS Time ne 16 Modulation AcCuracy 1 13 Modulation Spectrum rrt 23 Phase Error vS Times ice ect ee 14 Power vs Time 5220 Transient Spectrum 26 Trigger to Sync 19 Wide Modulation Spectrum 227 Middle of midamble 5 2 rene rerit eerta coe 47 leie TE e EE 63 102 Modulationi Accuracy secu nerit rere ee etas 13 76 Multi measurement mode sss 73 Modulation Spectrum 23 79 Multi measurement mode sss 73 MS Aunsnseoten is ir ede fe Ue A Foie de ees doe risale 31 Multi measurement mode 12 72 ConistellatiOri EE 73 EVM VS TIG diei ore rp Een rein Cae 73 Magnitude Error vs Time a T3 Modulation Accuracy sid Modulation Spectrum Phase Error vs Time milo Power vs Time 000 wed Transient Spectrum iesiri rrr n 73 Mu ulticarfier BT cere hier rn 18 74 N Narrow Pulse ou cecceesseeeeeecesessseeeeeeeeeestsaeeeeees 32 46 71 No
168. ectrum and Tran sient Spectrum measurements Note For measurements on multi carrier signals use either the check on the left or right side to measure the spectrum of the left or right most channel and to ignore the side where adjacent channels are located Parameters for setting and query lt State gt 110 ON OFF ON check limit OFF do not check limit RST 1 Example CONF SPEC LIM LEFT OFF Mode GSM Manual operation See Enable Left Limit on page 68 CONFigure SPECtrum LIMit RIGHt State This command controls the right limit check of the spectrum trace spectrum graph measurement and which offset frequencies in the table spectrum list measurement are checked against the limit This command affects the Modulation Spectrum and Transient Spectrum measurements Note For measurements on multi carrier signals use either the check on the left or right side to measure the spectrum of the left or right most channel and to ignore the side where adjacent channels are located Parameters for setting and query State 110 ON OFF ON check limit OFF do not check limit RST 1 Example CONF SPEC LIM LEFT OFF Mode GSM Manual operation See Enable Right Limit on page 69 CONFigure Subsystem CONFigure SPECtrum MODulation IMMediate This command selects measurement of the spectrum due to modulation MOD This measurement is based on captured UO data Use the Wide Modulati
169. eeeeeeeeaees 250 STATUS OPERAtion Register renim e e En Den ik a ne o Roa aea des 251 STATus QUEStionable Register eese enne nnne 251 STATus QUEStionable SYNC Register ceeeeeeseeeneeeeennneennnn 252 STATus QUEStionable POWer Register eese 253 RO ge e 254 261 Documentation Overview 1 Preface 1 1 Documentation Overview The user documentation for the R amp S FSV is divided as follows e Quick Start Guide e Operating Manuals for base unit and options e Service Manual e Online Help e Release Notes Quick Start Guide This manual is delivered with the instrument in printed form and in PDF format on the CD It provides the information needed to set up and start working with the instrument Basic operations and basic measurements are described Also a brief introduction to remote control is given The manual includes general information e g Safety Instruc tions and the following chapters Chapter 1 Introduction General information Chapter 2 Front and Rear Panel Chapter 3 Preparing for Use Chapter 4 Firmware Update and Installation of Firmware Options Chapter 5 Basic Operations Chapter 6 Basic Measurement Examples Chapter 7 Brief Introduction to Remote Control Appendix Printer Interface Appendix LAN Interface Operating Manuals The Op
170. eeeeeeeennenes 253 5 1 STATus OPERation Register In the CONDition part this register contains information on which actions the instru ment is being executing or in the EVENt part information on which actions the instru ment has executed since the last reading It can be read using commands STATus OPERation CONDition or STATus OPERation EVENt Bit No Meaning 0 CALibrating This bit is set as long as the instrument is performing a calibration 1to3 These bits are not used 4 MEASuring A 1 in this bit position indicates that a measurement is in progress R amp S FSV K10 only 5to7 These bits are not used 8 HardCOPy in progress This bit is set while the instrument is printing a hardcopy 9 to 14 These bits are not used 15 This bit is always 0 5 2 STATus QUEStionable Register This register comprises information about indefinite states which may occur if the unit is operated without meeting the specifications It can be queried with commands STATus OPERation EVENt and STATus OPERation CONDition Bit No Meaning 0to2 These bits are not used 3 POWer This bit is set if a questionable power occurs cf also section STATus QUEStiona ble POWer Register 4 TEMPerature This bit is set if a questionable temperature occurs 5 FREQuency The bit is set if a frequency is questionable cf section STATus QUEStionable FRE Quency Register
171. ene 211 READ BURG MAC CuracvlPtERb or HMG AVEHRage essere erret 211 READ BURG MAC CuracvlPtERborHRMGCURbent eren 211 READ BURSIt MACCuracy PERRor RMG MANimum cece eaeaeaeaeeeaeeneeenenenes 212 READ BURG MAC CuracvlPtEbRbor HMG GDtEViaton ene 212 READ BURSEPTEMplate TRES AVERAGE eli etian arate ected alia 213 READ BURStPTEMplate TRGS CURRGNE ocrni auna n TETEE o HY E Yeu EE EYE 213 READBURGGCbPTEMpolate TRGG MANimum cece cee ee eae ee eee tr ee sesenta 214 READ BURSEPTEMplate TRES MINIMUM eege Ae addon he tae eene 215 READ BURStEPTEMplate TRGS SDEViation 2 liiis niaaa 216 READ BURSt SPOWer SLOT sSlIot ALL AVERage sse 217 READ BURSt SPOWer SEOT Slot ALL CRESI eiii erase cepere esten naina dainai 218 READ BURG GbOWer GL OT Glotz ALL M Aximum enne nene 219 READ BURSt SPOWer SLOT sSlIot CURRent AVERage seen 220 READ BURSt SPOWer SLOT lt Slot gt CURRent CRES1 c cssceeceeeeeeceeeseeeeeeeesaeeceeenaes 221 READ BURSt SPOWer SLOT sSlIot CURRent MAXimum eese 222 READ BURSt SPOWer SLOT sSIot DELTatosync sse ener 223 READ BURSt MACCuracy ALL This command starts the measurement and returns all the results When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the mea surement via the FETCh BURSt subsystem Example
172. ent AVERage essere nnn rennen neret nennen 173 FETGI BURSESPOWer SEOT SS GURR6ntGRESI 5 rst erecta eere ict er x ER ERR eH 174 FETCh BURStSPOWer SLOT ss CURRent MAXimum sees enne nnne nnne nere nnne 175 FEICh BURSESPOWer SEOTSSSDEITatOSVIIC cett oret cree tte ee Ub euer Frase EH Ee rei NUS 176 FETCh BURSI MACCuracy ADRoop AVER a987 rrr rnnt ttr Era ein oh neus 147 FETCh BURSt MACCuracy ADRoop CURRent FETCh BURSI MACCuracy ADRoop MAXimum esses enne nennen rennen rennen nnns 148 FETGh BURSIEMAGGu racy ADROOp SDEVIatIOII crie trice tot tta dnb de ao cH e bac 148 FETChH BURSIEMACCuracy ALL 2 catre egeret ctp Aeneas a ce ve RU RE E Cd Dn 148 FETOH BURG MAC CuracvlDBbOWer AVERage enne nennen renes E 149 FETGRh BURSIEMAGCGCuracy BPOWer CURRGnt 2 casei need exec eee cte P i ES 149 FETCh BURSI MACGCuracy BPOWer MAXImUmY 2 ENEE tette reple Cree e RR de en dede 150 FETCh BURSI MACCuracy BPOWer SDEViation essent 150 FETGRh BURSIEMAGCGu racy FERRO AVERGAge cce tpe rp iin tiveness 155 FETCR BURSI MAGCGuracy EERRot CURRO6nt ri tee itera col ge ee ie a plu anna 155 FETCR BURSI MAGCuracy FERRoOr MAXImUltT cn aint con tb pots bond rts Pn rH En CE REL NEE 155 FETCh BURSt MACCuracy FERRor SDEViation ee FETOCh BURG MAC CuracvlFREOuency AVERAGE isorosi ia ari a 156 FETCWBURSMACC racy FREQUency CU
173. ep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Default unit NONE Example READ BURS PERC MERR Usage Query only Mode GSM READ BURSt MACCuracy PERCentile PERRor This command starts the measurement and reads out the 95 percentile of the Phase Error measurement taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Default unit NONE Example READ BURS PERC PERR Usage Query only Mode GSM READ Subsystem READ BURSt MACCuracy PERRor PEAK AVERage This command starts the measurement and reads out the average of the peak mea surement of the Phase Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit NONE Example READ BURS PERR PEAK AVER Usage Query only Mode GSM READ BURSt MACCuracy PERRor PEAK CURRent This command starts the mea
174. equencies and filter bandwidths in modulation spectrum measurements Offset Frequency kHz RBW kHz VBW kHz 100 30 30 200 30 30 250 30 30 400 30 30 600 30 30 800 30 30 1000 30 30 1200 30 30 1400 30 30 1600 30 30 1800 30 30 R amp S FSV K10 Instrument Functions GSM nna eS ee ST Remote commands The Modulation Spectrum measurement is started using the CONFigure SPECtrum MODulation IMMediate command The gating parameters of the Modulation Spectrum measurement can be queried using READ WSPectrum MODulation GATing The results of the Modulation Spectrum measurement can be queried using READ WSPectrum MODulation ALL 3 1 10 Transient Spectrum The Transient Spectrum measurement is done in a very similar way to the modula tion spectrum measurement The differences to the modulation spectrum measurement are e Instead of measuring only in the useful part of the burst in the Slot to measure see Slot to Measure on page 61 the measurement is performed over the inter val defined by the Number of slots to measure see Number of Slots to measure on page 61 and the First Slot to measure see First Slot to measure on page 61 in the Measurement Settings i e one measurement per frame See also chapter 3 2 7 Defining the Scope of the Measurement on page 39 Therefore the rising and falling edges affect the measureme
175. erating Manual 1176 7526 02 04 22 Measurements and Result Displays Default measurement settings The following default settings are used for the Power vs Time measurement Setting Default Measurement Scope The slot scope defined by First Slot to measure and Number of Slots to mea sure in Measurement Settings see chapter 3 2 7 Defining the Scope of the Measurement on page 39 Averaging Configuration Number of frames as selected in Statistic Count in General Settings see Statistic Count on page 56 Limit Check According to standard The maximum Max trace is checked agains the upper limit The minimum Min trace is checked against the lower limit The limit masks are generated adaptively from the measured signal a ccording to the following parameters Frequency band special masks for PCS1900 and DCS1800 BTS with GMSk Burst type Modulation Filter The reference burst power is measured and the 0 dB line of the limit mask is assigned to it For MS the 6 dB line of the limit mask depends on the PCL The PCL is derived from the measured burst power Measurement and Zoom When switching between Full Rising Falling Rise amp Fall and Top neither the mea surement itself nor the limit checking is changed The only change is that the dis played signal data is cropped Remote commands The results of the Power vs Time measurement can be queried using the
176. erating Manuals are a supplement to the Quick Start Guide Operating Manuals are provided for the base unit and each additional software option The Operating Manual for the base unit provides basic information on operating the R amp S FSV in general and the Spectrum mode in particular Furthermore the software options that enhance the basic functionality for various measurement modes are described here The set of measurement examples in the Quick Start Guide is expan ded by more advanced measurement examples In addition to the brief introduction to remote control in the Quick Start Guide a description of the basic analyzer commands and programming examples is given Information on maintenance instrument interfa ces and error messages is also provided Documentation Overview In the individual option manuals the specific instrument functions of the option are described in detail For additional information on default settings and parameters refer to the data sheets Basic information on operating the R amp S FSV is not included in the option manuals The following Operating Manuals are available for the R amp S FSV e R amp S FSV base unit in addition R amp S FSV K9 Power Sensor Support R amp S FSV K14 Spectrogram Measurement e R amp S FSV K7 Analog Demodulation and R amp S FSV K7S FM Stereo Measurements e R amp S FSV K10 GSM EDGE Measurement e R amp S FSV K30 Noise Figure Measurement e R amp S FSV K40 Phase Noise Measureme
177. es Result numeric value Average Default unit NONE Example READ BURS IQIM AVER Usage Query only Mode GSM READ BURSt MACCuracy IQlMbalance CURRent This command starts the measurement and reads out the currently measured value of the IQ Imbalance taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem READ Subsystem Return values lt Result gt numeric value Currently measured value Default unit NONE Example READ BURS IQIM CURR Usage Query only Mode GSM READ BURSIt MACCuracy IQlMbalance MAXimum This command starts the measurement and reads out the maximum measurement of the IQ Imbalance taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Maximum Default unit NONE Example READ BURS IQIM MAX Usage Query only Mode GSM READ BURSt MACCuracy IQlMbalance SDEViation This command starts the measurement and reads out the standard deviation measure ment of the IQ Imbalance taken over the selected number of bursts When the mea surement is started th
178. ettet 195 READ BURSt MACCuracy EVM PEAK MAXiIMUM ssssscesssssseessssseesssssessssssesssssveesssseeesssstcsssseeessaseeesee 195 BEAD BURSEMAGCC ua EVMIPEAK SDENlagon 196 READ BURG MACCuracvlEVMIRMS AVERage AAA 196 READ BURG MAC CuracvlfEVMIRMS CURRED sasis 197 READ BURSI MACCuracy EVM RMS MAXimum eeeesesseseeeeeeeeenenen emen eren 197 READ B RSIIMACCuracy EVMIRMS SDEViation 2 122 tn mee tere ERR epa 197 READ SPECtrum MODulation REFerence IMMediate essen 225 READ SPECtr um MODUlation ALL 11a sene ceto tt todo ineat c etus sdb ke es e EES deg 225 READ SPECtrum SWITching REFerence MMediate 5 525 tn ttn tnn trn 227 READ SPECtrum WMODulation GA TING KEE 227 READ WSPectrum MODullation GA TIng s irr rre rrr rinm rere e rer eh en Eben 228 READ WSPectrum MODulation REFerence IMMediate esee 229 READ WSPectrum iMObDulation EELER d ve in od berba ege Eegen eR 227 STATUS OPERAN C ld LEE 232 S7ATus OPERation iEVENEt EE 232 STATus QUEStionable POWer CONDIIOrIT ciiuc irt etit ob i oe d Rd ner Fo Fd cepe EE sede DO edenda 233 STAT s QUEStionable POWerENABl e 5 2 rri rr eere re tenet re eerta ri Ince E E EE nain 233 STATus QUEStionable POWer N TRansition ctor rnb rrr irr root na nen re a eon ENEE 234 STATus QUEStionable POWer P TRADSILOEL ccs ci ert oe a iere susan ro Sere res gg 234 STATus QUESti
179. ettings Softkeys and Settings of the GSM Menu General Settings NEIER Advanced Settings Device Under Test CONFigure MS DEVice TYPE BTSNormal cr Type BTS Normal 4 Signal Characteristics CONFigure MS NETWork TYPE EGSM H CONFigure MS NETWork FREQuency BAND 900 Frequency Band E GSM 900 SENSel FREQuency CENTer 935 MHz _ Frequency 935 MHz ARFCN 0 CONFigure MS ARFCn 0 DISPlay WINDowl TRACel Y SCALe RLEVel 40 DBM T Level Settings CONFigure MS POWer AUTO OFF Reference Level DISPlay WINDowl TRACel Y SCALe RLEVel OFFSet 40 DB External Atten CONFigure MS POWer CLASs 1 Power Class CONFigure MS POWer STATic 6 Static PCL Capture Settings n a Signal Source RF Input SENSel SWEep TIME 100 MS Capture Time 100 ms CONFigure MS SYNC MODE ALL M Synchronization Burst TSC CONFigure MS 8YNC ONLY ON cr Measure only on Syne s TRIGgerl SEQuence SO0URce EXTernal 9 Trigger Mode External TRIGgerl SEQuence HOLDoff 576 92 US Trigger Offset 576 92 us 1 slots SENSe1 SWEep COUNt 20 Statistic Count 20 Device Under Test Type Primary Settings General Settings To change the type of device under test DUT enter one of the following types BTS Normal BTS Micr
180. etween performance symbol error rate of the K10 and mea surement speed CONFigure Subsystem Parameters for setting and query lt Value gt AUTO LINear SEQuence Symbol decision method AUTO Automatically selects the symbol decision method LiNear Linear symbol decision Uses inverse filtering a kind of zero forcing filter and a symbol wise decision method This method is recommended for high symbol to noise ratios but not for Higher Symbol Rate bursts with a narrow pulse The inverse fil ter colors the noise inside the signal bandwidth and therefore is not recommended for narrow band signals or signals with a low signal to noise ratio Peaks in the EVM vs Time measurement see chapter 3 1 4 EVM vs Time on page 15 may occur if the Linear symbol decision algorithm fails In that case use the Sequence method Linear is the fastest option SEQuence Symbol decision via sequence estimation This method uses an algorithm that minimizes the symbol errors of the entire burst It requires that the tail bits in the analyzed signal are correct It has a better performance lower symbol error rate compared to the Linear method especially at low signal to noise ratios but with a loss of measurement speed This method is recommended for normal bursts with 16QAM or 32QAM modulation and for Higher Symbol Rate bursts with a narrow pulse RST AUTO CONFigure Subsystem Example Preset the instrument RST Enter
181. evel2 gt measured reference power in dBm lt RBW gt resolution bandwidth used to measure the reference power in Hz Example Usage Mode READ Subsystem READ SPECtrum MODulation REFerence IMMediate Query only GSM READ SPECtrum SWITching ALL This command starts the measurement and reads out the result of the measurement of the transient spectrum This command is only available when the transient spectrum measurement is selected see CONFigure SPECtrum SWITching IMMediate on page 136 The result is a list of partial result strings separated by commas Return values Placeholder Freq1 lt Freq2 gt lt Level gt lt Limit gt lt Abs Rel gt lt Status gt Example Usage Mode curently irrelevant Absolute offset frequency in Hz Absolute offset frequency in Hz Measured level at the offset frequency in dB or dBm For more information see CONFigure SPECtrum SWITching LIMIT Limit at the offset frequency in dB or dBm For more information see CONFigure SPECtrum SWITching LIMIT Indicates whether relative dB or absolute dBm limit and level values are returned For more information see CONFigure SPECtrum SWITching LIMIT Result of the limit check in character data form PASSED no limit exceeded FAILED limit exceeded READ SPEC SWIT 0 998200000 998200000 84 61 56 85 REL PASSED 0 998400000 998400000 85 20 56 85 REL PA
182. f slot to configure lt ch gt lt 1 2 gt Subchannel number CONFigure Subsystem Parameters for setting and query lt Value gt string String containing the 26 user defined bits Example Enter the GSM option K10 INSTrument SELect GSM JI Activate slot 0 CONFigure MS CHANnel SLOTO STATe ON Normal Burst CONFigure MS CHANnel SLOTO TYPE NB Il AQPSK VAMOS modulation CONFigure MS CHANnel SLOTO MTYPe AQPSk Subchannel 1 User TSC CONFigure MS CHANnel SLOT0 SUBChannell1 TSC USER CONFigure MS CHANnel SLOTO SUBChannel1 TSC II gt USER Subchannel 1 Set User TSC bits CONFigure MS CHANnel SLOT0 SUBChannell1 TSC USER 10111101100110010000100001 Subchannel 1 Query User TSC bits CONFigure MS CHANnel SLOTO SUBChannel1 TSC USER gt 101111011001 10010000100001 Subchannel 2 User TSC CONFigure MS CHANnel SLOT0 SUBChannel2 TSC USER CONFigure MS CHANnel SLOT0 SUBChannel2 TSC II gt USER Subchannel 2 Set User TSC bits CONFigure MS CHANnel SLOT0 SUBChannel2 TSC USER 11010111111101011001110100 Subchannel 2 Query User TSC bits CONFigure MS CHANnel SLOTO SUBChannel2 TSC USER gt 11010111111101011001110100 Mode GSM Manual operation See User TSC on page 67 CONFigure MS CHANnel SLOT lt s gt TSC lt Value gt This command selects the training sequence code TSC Normal and Hi
183. fault The reference power is the RMS power level mea sured over the useful part of the Slot to measure see Slot to Measure on page 61 and averaged according to the defined Statistic Count see Statistic Count on page 56 PEAK The reference power is the peak power level measured over the selected slot scope see chapter 3 2 7 Defining the Scope of the Measurement on page 39 and its peak taken over Statistic Count measurements GSM frames RST RMS Example CONFigure SPECtrum SWITching TYPE Mode GSM Manual operation See Transient Ref Power on page 69 CONFigure Subsystem 4 4 4 Other Commands in the CONFigure Subsystem GCONFigure TIRES RTS 138 GCONFigure TRGSINOFBIHS 1 erepta tton natat ete rni pee eta ege e eat eua mma Ren Moda ge 138 CONFigure TROSDIMMedlatel diserte e eter eee etat eerte xit 138 CONFloure W bechum MODulationt MMedatel nnne 139 GONFigure WSPectrum MODulations MIT 22 1 roro toe uuu atria n teneant 141 CONFloure W bechum MODulation LIST SEI ect 141 CONFigure TRGS ADPSize lt Value gt This command specifies the number of measurements after which the x axis is fixed for the histogram calculation of the Trigger to Sync measurement Parameters for setting and query lt Value gt numeric value Adaptive data size Range 10 to 1000 RST 100 Default unit NONE Mode GSM Manual operation See Adaptive Data Size on page 71 CONFigure TRGS NOFB
184. fault unit Hz Example FETC BURS FERR AVER Usage Query only Mode GSM FETCh BURSt MACCuracy FERRor CURRent This command reads out the currently measured value of the Frequency Error taken over the selected number of bursts This command is retained for compatibility with R amp S FS K5 only Use the FETCh BURSt MACCuracy FREQuency CURRent command which behaves the same way Return values lt Result gt numeric value Currently measured value Default unit Hz Example FETC BURS FERR CURR Usage Query only Mode GSM FETCh BURSt MACCuracy FERRor MAXimum This command reads out the maximum measurement of the Frequency Error taken over the selected number of bursts This command is retained for compatibility with R amp S FS K5 only Use the FETCh BURSt MACCuracy FREQuency MAXimum command which behaves the same way FETCh Subsystem Return values lt Result gt numeric value Maximum Default unit Hz Example FETC BURS FERR MAX Usage Query only Mode GSM FETCh BURSt MACCuracy FERRor SDEViation This command reads out the standard deviation measurement of the Frequency Error taken over the selected number of bursts This command is retained for compatibility with R amp S FS K5 only Use the FETCh BURSt MACCuracy FREQuency SDEViation command which behaves the same way Return values lt Result gt numeric value Standard deviati
185. g the AUTO SET key Tip Use CONFigure MS AUTO LEVel ONCE CONFigure MS AUTO FRAMe ONCE or CONFigure MS AUTO TRIGger ONCE to execute the auto set routines seper ately Parameters for setting and query lt Value gt ONCE Mode GSM CONFigure MS AUTO FRAMe lt Value gt Parameters for setting and query lt Value gt OFF ON ONCE OFF Switch the function off ON Switch the function on ONCE Execute the function once RST ON CONFigure Subsystem Example CONF AUTO FRAM OFF Mode GSM Manual operation See Frame Configuration on page 75 CONFigure MS AUTO LEVel lt Value gt This command is used to switch on or off automatic level detection while running auto set When switched on level detection is performed on auto set Using the ONCE argument starts one auto level measurement immediately Parameters for setting and query lt Value gt OFF ON ONCE OFF Switch the function off ON Switch the function on ONCE Execute the function once RST ON Example CONF AUTO LEV OFF Mode GSM Manual operation See Level on page 75 CONFigure MS AUTO TRIGger lt Value gt This command is used to switch on or off automatic trigger offset level detection while running auto set When switched on trigger detection is performed on auto set Using the ONCE argument starts one auto trigger measurement immediately Parameters for setting and query lt Value gt OFF ON ONCE O
186. ge This command reads out the average of the peak measurement of the Magnitude Error taken over the selected number of bursts Return values lt Result gt numeric value Average value Default unit NONE Example FETC BURS MERR PEAK AVER Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor PEAK CURRent This command reads out the currently measured peak value of the Magnitude Error taken over the selected number of bursts Return values lt Result gt numeric value Currently measured peak value Default unit NONE Example FETC BURS MERR PEAK CURR Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor PEAK MAXimum This command reads out the maximum of the peak measurement of the Magnitude Error taken over the selected number of bursts Return values lt Result gt numeric value Maximum Default unit NONE FETCh Subsystem Example FETC BURS MERR PEAK MAX Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor PEAK SDEViation This command reads out the standard deviation of the peak measurement of the Mag nitude Error taken over the selected number of bursts Return values lt Result gt numeric value Standard deviation Default unit NONE Example FETC BURS MERR PEAK SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy MERRor RMS AVERage This command reads out the average of the R
187. ge of the power when taken over the useful part of the burst as specified in 3GPP TS 45 002 with any fixed TSC and with random encrypted bits See 3GPP TS 51 021 chapter 6 5 2 Switching transients spectrum The reference power for relative measurements is the power measured in a bandwidth of at least 300 kHz for the TRX under test for the time slot in this test with the highest power RMS Default The reference power is the RMS power level measured over the useful part of the Slot to measure see Slot to Measure on page 61 and averaged according to the defined Statistic Count see Statistic Count on page 56 Peak The reference power is the peak power level measured over the selected slot scope see chapter 3 2 7 Defining the Scope of the Measurement on page 39 and its peak taken over Statistic Count measurements GSM frames Remote command CONFigure SPECtrum SWITching TYPE on page 137 Softkeys and Settings of the GSM Menu Mod RBW 1800 kHz Advanced tab Meas Settings The modulation RBW at 1800 kHz controls the resolution bandwidth RBW and video bandwidth VBW used in the Modulation Spectrum and Wide Modulation Spectrum measurements at offset frequencies of 1800 kHz from the carrier 30 kHz Default RBW and VBW are set to 30 kHz for offset frequencies at 1800 kHz from the carrier 100 kHz RBW and VBW are set to 100 kHz for offset frequencies at 1800 kHz from the carrier Rem
188. gher Symbol Rate Bursts or training synchronization sequence TS for Access Bursts of the specified slot and subchannel used by the mobile or base station See 3GPP TS 45 002 chapter 5 2 Bursts This command is not available for AQPSK modulation use CONFigure MS CHANnel SLOT lt s gt SUBChannel lt ch gt TSC instead CONFigure Subsystem Suffix lt s gt 0 7 Number of the slot to configure Query parameters lt ResultType gt TSC SET Queries the currently used TSC number or the set If no query parameter is defined only the TS or the TSC is returned TSC Only the TSC or TS is returned SET The set of the TSC is returned Parameters for setting and query lt Value gt 0111213 4 516 7 0 1 022 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 5 1 5 2 6 1 6 2 7 1 7 2 TSO TS1 TS2 USER Training sequence for Normal Burst 0 7 One of the 7 pre defined training sequence codes is used 0 1 0 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 5 1 5 2 6 1 6 2 7 1 7 2 TSC number and set for Normal Bursts TSO TS1 TS2 Training synchronization sequence for Access Bursts USER A user defined training sequence is used see CONFigure MS CHANnel SLOT s TSC USER on page 109 RST 0 CONFigure Subsystem Example Enter the GSM option K10 INSTrument SELect GSM JI Activate slot 0 CONFigure MS CHANnel Normal Burst CONFigure MS CHANnel Il GMSK modulation CONFigure MS CHANnel II TSC
189. ging settings for example the Statistic Count Averaging is performed according to the Statistic Count and automatically stops when the defined Statistic Count or the end of the captured data is reached Remote command INITiate REFMeas IMMediate on page 182 3 8 TRACE Key This key opens the Trace Wizard dialog box Trace Wizard nace a Trace 2 Max Hold Trace 3 Min Hold Trace 4 Clear Write In the Trace Wizard you can select which traces of a graph are displayed in which mode Average Max Hold Min Hold or Clear Write or which should be hidden Blank The following table shows the available traces and modes depending on the measure ment Measurement Trace 1 Trace 2 Trace 3 Trace 4 Power vs Time Average Max Hold Min Hold Clear Write Graph Blank Blank Blank Blank EVM vs Time Graph Phase Error vs Time Graph Magnitude Error vs Time Graph Constellation Clear Write Graph Blank Modulation Spec Average Clear Write trum Frequency Blank Blank Domain 3 9 3 10 TRIG Key Measurement Trace 1 Trace 2 Trace 3 Trace 4 Transient Spec Max Hold Clear Write trum Frequency Blank Blank Domain PDF of Average Blank Trigger to Sync Graph Histogram Blank For a description of the trace modes see the Trace Mode Overview section in the base unit manual Remote command DISPlay WINDow lt n gt TRACe lt t gt MODE o
190. gt Limit at the offset frequency in dB or dBm depending on CONFigure SPECtrum MODulation LIMIT FETCh Subsystem lt Abs Rel gt Indicates whether relative dB or absolute dBm limit and level values are returned depending on CONFigure SPECtrum MODulation LIMIT Status Result of the limit check in character data form PASSED no limit exceeded FAILED limit exceeded Example FETC SPEC MOD 0 998200000 998200000 84 61 56 85 REL PASSED 0 998400000 998400000 85 20 56 85 REL PASSED Usage Query only Mode GSM FETCh SPECtrum MODulation REFerence This command returns the measured reference power of the Modulation Spectrum This command is only available when the Modulation Spectrum measurement is selected see CONFigure SPECtrum MODulation IMMediate on page 134 The result is a list of partial result strings separated by commas Return values lt Level1 gt measured reference power in dBm lt Level2 gt measured reference power in dBm lt RBW gt resolution bandwidth used to measure the reference power in Hz Example FETCh SPECtrum MODulation REFerence Usage Query only Mode GSM FETCh SPECtrum SWITching ALL This command reads out the result of the measurement of the transient spectrum of the mobile or base station This command is only available when the Transient Spec trum measurement is selected see CONFigure SPECtrum SWITching IMMediate o
191. hancement label IFOVL 3 to 14 Unused 15 This bit is always 0 List of Commands SENSe FREQuenCy GEN BEE 230 SENSE PREQUENCYZOF FSC P 231 ISENSE el DE 231 SENSe SWEEp COUN LEE 231 SENSe SWEep COUNEGUPRR Ont rris bin antep Eon p nn e EAE ESEN Op i ENEE 232 E Se EST ll EEN SENSe BANDwidth RESolution TYPE SENS BURRS COUN e Tel CALCulate LIMit lt n gt CONTinuous OFFS CAL CulatellMitcnzLOWerMAhcin eese aA NeT e DE steterit nnns EREE CALCUulate EIMit amp n EOWheor OFFS E CAL Culate Be Ei e 241 CIES VALS BET E EE 241 CAL Culate LIMit lt n gt UPPERMARGIN DEE 241 CALG late BT BI e 241 CALCulate MATH MODE CAL Culatesn gt sLIMItsi gt TE 91 CAL Culatesn gt MARKersim gt CHE eege a deed ESA ER E e EE A TRAC C8 94 CALG latesn gt e iai MT Ee tye aaa nieces rare 94 CAL GCulatesr MARIeESInpsY Aresia in ce cy mca tree ate AE AREA Ea idee TONAT EN E EREET 95 CALCulatesnz MARKersm ZOOM sesno eane ASEE eE AE ERNO CALCulate lt n gt MARKer lt m gt STATe n CONFigure BURSECONStelFIMMediate E 128 CONFioure BURGGCE TTlMel IMMectatel AAA 129 CONFigure BURSEMACCuracy IMMediate 2 rrt terret nr tenen 129 CONFigure BURSt MERRor IMMediate CONFigure BURSt PFERror IMMediate GONFigure BURSEPTEMplate F L 6t ccce rtp te rtr ei ene rh ene nn x nente a GONFigure BURSEPTEMplate FRZOOm cnr ern rre rere e ee eir
192. he Marker to Menu MKR gt key 85 e Softkeys of the Input Output Men 85 Measurements and Result Displays This chapter provides information about the measurement and result displays of the GSM application 3 1 1 Multiple measurement mode The multiple measurement mode allows you to perform several measurements on the same captured UO data in parallel In this case the results of the selected measure ments are available immediately without starting a new measurement Simply select the softkey for the performed measurement To retrieve the results for other measurement types you must perform a new measure ment first The softkeys for the measurements not included in the multiple measure ment selection only become available again when you deactivate multiple measure ment mode or include the measurement in the multiple measurement selection e SOIBen Lay EE 12 e Modulation ACCUTACY caecos ieri cana exe Y yh eu ee Pret Gertie ae 13 e Pase Biron vs Kl E 14 EVM VS H E 15 e Magnitude Error vs TMe s is eruere e ehe nte FREE cce e ERR ehe peek ERR eEu ce 16 Wieso clrug BET 18 LEM molo 19 Fuerer DIRIGENTEN E 20 e Modulation Spec ll oin tenta spe ioana eaaa a ALERTE RE ERE TA Ere nne dale 23 Tanson opacum ERR Em 26 e Wide Modulation Gpectum netten 27 Screen Layout Within the GSM measurement option each measurement has its own screen layout see e g chapter 3 1 8 Power vs Time
193. he measurement and reads out the maximum measurement of the Frequency Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Maximum Default unit Hz Example READ BURS FREQ MAX READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy FREQuency SDEViation This command starts the measurement and reads out the standard deviation measure ment of the Frequency Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit Hz Example READ BURS FREQ SDEV Usage Query only Mode GSM READ BURSIt MACCuracy IQlMbalance AVERage This command starts the measurement and reads out the average measurement of the IQ Imbalance taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return valu
194. he slot scope Use all 8 slots for the PvT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOT1 DELTatosync Usage Query only Mode GSM 4 6 2 FETCh SPECtrum subsystem FEICh SPECtrumMOBUlation AELE 2 2 222 creer ete rore deret t ced a cries 177 FETOh SPECItrum MODulation REFereriQg ona nuo ett o Rete na eene ao ENEE ee 178 al Her Se ier EIS ALU E 178 FEITCh SPECtrum SWITehing REFerenge icri cde rs cete eR canis 179 FETCh SPECtrum MODulation ALL This command returns the measured modulation spectrum of the mobile or base sta tion This command is only available when Modulation Spectrum measurement is selected see CONFigure SPECtrum MODulation IMMediate on page 134 The result is a list of partial result strings separated by commas Return values Placeholder curently irrelevant Freq1 Absolute offset frequency in Hz lt Freq2 gt Absolute offset frequency in Hz lt Level gt Measured level at the offset frequency in dB or dBm depending on CONFigure SPECtrum MODulation LIMIT lt Limit
195. his function is not available while a measurement is running Softkeys and Settings of the GSM Menu UO data is imported into the capture buffer Then evaluation of the data including aver aging according to Statistic Count is started Averaging automatically stops when the defined Statistic Count or the end of the captured data is reached To automatically detect the frame slot configuration of the imported UO data press the AUTO SET key after import see also Frame Configuration on page 75 Example Saving UO data to an iqw file using MATLAB for import to the R amp S FSV K10 option Note UO values are in the unit Volt Sample rate 6 5 MHz Minimum number of complex samples 68751 10 ms capture time Maximum number of complex samples 6503751 1 s capture time The data order of the float values in the iqw file is III QQQ IQ randn 1 68751 1i randn 1 68751 Example for I Q data iq interleaved real IQ imag IQ fid fopen IQ for import into KlO iqw w fwrite fid single iq interleaved float32 fclose fid Remote command MMEMory LOAD IQ STATe on page 187 Export Opens the Choose the file to export dialog box Enter the path and the name of the I Q data file you want to export and press ENTER The extension of data files is iqw If the file cannot be created or if there is no valid UO data to export an error message is displayed This function is not available while a
196. iate REFMeas IMMediate I I Usage Setting only Manual operation See Import on page 80 MMEMory STORe IQ STATe 1 lt FileName gt This command stores the I Q data to the specified iqw file Parameters lt FileName gt Complete file name including the path READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and do one measurement INITiatel CONTinuous OFF Set capture time to 1 s SENSel SWEep TIME 1 S JI Activate power vs time measurement CONFigure BURSt PTEMplate IMMediate Run a blocking single sweep INITiate IMMediate WAI Export captured UO data to file MMEMory STORe IQ STATe 1 C gsm_1 iqw Run a blocking single sweep INITiate IMMediate WAI Export captured UO data to file MMEMory STORe IQ STATe 1 C gsm_2 iqw Now we want to analyze the first capture again Import UO data from file MMEMory LOAD IQ STATe 1 C gsm_l iqw Instead of 1 slots 8 slots should be analyzed CONFigure MS CHANnel MSLots NOFSlots 8 Refresh to apply the changed setting INITiate REFMeas IMMediate gt gt Manual operation See Export on page 81 4 11 READ Subsystem The READ subsystem contains commands for starting complex measurement tasks and for querying the results subsequently The following subsystems are included
197. ifies the time and therefore the amount of IQ data to be captured in a single measurement If the capture time is too short demodulation will fail Choose e g 100 ms to run a measurement Here the capture time can be entered in seconds Note The duration of one GSM slot equals 15 26 ms 0 576923 ms The duration of one GSM frame 8 slots equals 60 13 ms 4 615384 ms Remote command SENSe SWEep TIME on page 232 Synchronization Primary Settings General Settings Sets the synchronization mode of the R amp S FSV K10 Burst TSC First search for the power profile burst search according to the frame configuration in the capture buffer Second inside the found bursts search for the TSC of the Slot to measure as given in the frame configuration Burst TSC is usually faster than TSC for bursted signals TSC Search the capture buffer for the TSC of the Slot to measure as given in the frame configuration This mode corresponds to a correla tion with the given TSC This mode can be used for continous but framed signals or bursted signals Burst Search for the power profile burst search according to the frame configuration in the capture buffer Note For Burst no demodulation measurements e g Modulation Accuracy are supported Only Power vs Time Modulation Spec trum Transient Spectrum measurements are supported Softkeys and Settings of the GSM Menu None Do not synchronize at all If an e
198. igure first slot slot 7 Normal burst GMSK TSC 7 CONFigure MS CHANnel SLOTO STATe ON Example for a Measurement Performed via Remote Control CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 7 Slot to measure 0 slot for time alignment of the PvT masks and for the synchronization CONFigure MS CHANnel MSLots MEASure 0 Deactivate continuous auto levelling CONFigure MS POWer AUTO OFF Set Center Frequency SENSel FREQuency CENTer 1 GHZ Set Level 3 dB above expected Signal Power Precise value can be measured with the auto level function see below CONFigure MS AUTO LEVel ONCE DISPlay WINDow1 TRACel Y SCALe RLEVel 3DBM Set trigger mode to IF power trigger TRIGgerl SEQuence SOURce IFPower Manually set IF power trigger level Precise value can be measured with the auto trigger power function below CONFigure MS AUTO TRIGger ONCE TRIGgerl SEQuence LEVel IFPower 20DBM Manually set trigger offset Precise value can be measured with the auto trigger offset function below CONFigure MS AUTO TRIGger ONCE TRIGgerl SEQuence HOLDoff 0 S Do single auto level measurement CONFigure MS AUTO LEVel ONCE Read out the reference level dBm lt RefLevel gt DISPlay WINDow1l TRACel Y SCALe RLEVel Example 2 4468 Read out the RF attenuation dB RfAttn INPutl
199. in Offset Suppression PCL Power Control Level PVT Power vs Time QPSK Quadrature Phase Shift Keying SCPIR Subchannel Power Imbalance Ratio SFH Slow Frequency Hopping TDMA Time Division Multiplex Access TSC Training Sequence Code UL Uplink BTS to MS VAMOS Voice services over Adaptive Multi user Channels on One Slot YIG Yttrium Iron Garnet 3 2 2 Short description of GSM GMSK EDGE and EDGE Evolution The GSM Global System for Mobile Communication standard describes the GSM mobile radio network that is in widespread use today In a first step to enhance this network 8PSK modulation has been defined in addition to the existing GMSK Gaus sian Minimum Shift Keying modulation With 8PSK the mobile or base station oper ates in the EDGE mode While the 8PSK modulation transmits 3 bits within a symbol GMSK can only transmit 1 bit within a symbol In a second step to enhance this network higher symbol rate HSR QPSK 16QAM and 32QAM modulation narrow and wide pulse shapes for the TX filter have been defined Here EDGE Evolution and EGPRS2 are synonyms for this second enhance ment This means that GSM includes different modes GMSK EDGE and EDGE Evolution The terms EDGE and EDGE Evolution are used here only when there are significant differences between the modes In all other cases the term GSM is used A TDMA Time Division Multiple Access and FDMA Frequency Division Multiple Access scheme is used to transfer da
200. include Power vs Time in the multiple measure ment selection or disable the multiple measurement mode Remote command CONFigure BURSt PTEMplate IMMediate on page 130 General Settings PvT For details refer to the General Settings on page 52 softkey in the root menu of the GSM option Meas Settings PvT For details refer to the Meas Settings on page 60 softkey in the root menu of the GSM option Full PvT Switches the Power vs Time measurement to the full burst view Remote command CONF BURS PTEM SEL FULL see CONFigure BURSt PTEMplate SELect on page 131 Rising PvT Switches the Power vs Time measurement to a view of the rising edges only the rest of the burst is removed Remote command CONF BURS PTEM SEL RIS see CONFigure BURSt PTEMplate SELect on page 131 Softkeys and Settings of the GSM Menu Falling PvT Switches the Power vs Time measurement to a view of the falling edges only the rest of the burst is removed Remote command CONF BURS PTEM SEL FALL see CONFigure BURSt PTEMplate SELect on page 131 Rise amp Fall PvT Switches the Power vs Time measurement to the rise amp fall view i e only rising and falling edges of the bursts are displayed Remote command CONF BURS PTEM SEL FRIS see CONFigure BURSt PTEMplate SELect on page 131 Top PvT Switches the Power vs Time measurement
201. ing IMMediate This command selects measurement of the spectrum due to switching transients TRA Example Usage Mode Manual operation CONF SPEC SWIT Setting only GSM See Transient Spectrum on page 79 CONFigure Subsystem CONFigure SPECtrum SWITching LIMIT lt Mode gt This command selects whether the list results power and limit values of the Transi ent Spectrum measurement are returned in a relative dB or absolute dBm unit This command is only available when the Transient Spectrum measurement is selected see CONFigure SPECtrum SWITching IMMediate on page 136 Parameters for setting and query lt Mode gt ABSolute RELative RST RELative Example Select Transient Spectrum measurement measurement on captured UO data CONFigure SPECtrum SWITching IMMediate Only list results are required CONFigure SPECtrum SELect LIST JI Absolute power and limit results in dBm CONFigure SPECtrum SWITching LIMit ABSolute Run one measurement and query absolute list results READ SPECtrum SWITching ALL I gt 0 933200000 933200000 101 55 36 00 ABS PASSED Mode GSM CONFigure SPECtrum SWITching TYPE lt DetectorMode gt This command controls how the reference power of the Transient Spectrum mea surement see chapter 3 1 10 Transient Spectrum on page 26 is measured Parameters for setting and query lt DetectorMode gt PEAK RMS RMS De
202. ins lt Value gt This command specifies the number of bins for the histogram of the Trigger to Sync measurement Parameters for setting and query lt Value gt numeric value Number of bins Range 10 to 1000 RST 10 Default unit NONE Mode GSM Manual operation See No of Bins on page 70 CONFigure TRGS IMMediate This command selects the Trigger to Sync measurement This measurement is only available for external trigger mode Make sure that the Trigger Offset in the General Settings dialog box see Trigger Offset on page 56 is set correctly e g using the Auto Set Trigger functionality of the R amp S FSV K10 Usage Setting only Mode GSM CONFigure Subsystem Manual operation See Trigger to Sync on page 78 CONFigure WSPectrum MODulation IMMediate This command selects the measurement of the wide spectrum due to modulation WMOD The wide modulation spectrum measurement uses a series of zero span mode measurements and can measure offset frequencies up to 6 MHz This command is only available for IF power or external trigger mode Make sure that the Trigger Offset in the General Settings dialog is set correctly e g using the Auto Set Trigger functionality of the R amp S FSV K10 see Trigger Mode on page 56 and Trigger on page 76 Example Usage Mode Manual operation CONFigure Subsystem Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM
203. ion K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum II Note READ starts a new single sweep and then reads the results Use FETCh to query several results READ BURS PTEM TRGS CURR Usage Query only Mode GSM READ BURSt PTEMplate TRGS MAXimum This command starts a Trigger to Sync measurement and queries the maximum time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Sta tistic Count on page 56 This command is only available if an external trigger is selected and the Trigger to Sync measurement is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Maximum Default unit S READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate JI Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum JI
204. ive see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Average Default unit S Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate JI Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum Auto set trigger offset II Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE II Note READ starts a new single sweep and then reads the results Use FETCh to query several results READ BURS PTEM TRGS AVER Usage Query only Mode GSM READ BURSt PTEMplate TRGS CURRent This command starts a Trigger to Sync measurement and queries the currently mea sured time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Statistic Count on page 56 This command is only available if an external trig ger is selected and the Trigger to Sync measurement is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Currently measured time Default unit S READ Subsystem Example Preset the instrument RST Enter the GSM opt
205. key is not available include Demod in the multiple mea surement selection or disable the multiple measurement mode Remote command CONFigure BURSt MERRor IMMediate on page 129 Constell Demod Displays the Constellation measurement results For details see chapter 3 1 6 Con stellation on page 18 Note Constellation diagrams can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the Constell softkey is not available include Constellation in the multiple mea surement selection or disable the multiple measurement mode Remote command CONFigure BURSt CONStell IMMediate on page 128 Softkeys and Settings of the GSM Menu Trigger to Sync Demod Displays the Trigger to Sync measurement results For details see chapter 3 1 7 Trigger to Sync on page 19 Note The Trigger to Sync measurement is only available when using external trigger mode Remote command CONFigure TRGS IMMediate on page 138 R amp S Support Demod See R amp S Support on page 86 PvT Opens the submenu for Power vs Time settings starts the measurement and dis plays the measurement results See also chapter 3 1 8 Power vs Time on page 20 Note Power vs Time results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the PvT softkey is not available
206. late Modulation Accuracy EVM vs Time Phase Error vs Time and Magnitude Error vs Time results OFF Do not calculate Modulation Accuracy EVM vs Time Phase Error vs Time and Magnitude Error vs Time results RST 1 Mode GSM Manual operation See Demod on page 73 CONFigure MS MULTi BURSt PTEMplate State Use this command to always include exclude the calculation of the graph and list results of the Power vs Time measurement when the multiple measurement mode is active see CONFigure MS MULTi STATe Parameters for setting and query State 110 ON OFF ON Calculate Power vs Time list and graph results OFF Do not calculate Power vs Time list and graph results RST 1 Mode GSM Manual operation See Power vs Time on page 72 CONFigure MS MULTi SPECtrum MODulation lt State gt Use this command to always include exclude the calculation of the results of the Modulation Spectrum measurement when the multiple measurement mode is active see CONFigure MS MULTi STATe on page 120 Note When activated list results are returned To obtain graphical results use CONFigure SPECtrum SELect FREQdomain see CONFigure SPECtrum SELect on page 135 CONFigure Subsystem Parameters for setting and query lt State gt 110 ON OFF ON Calculate Modulation Spectrum results OFF Do not calculate Modulation Spectrum results RST 1 Example CONFigure MS MULTi SPECtrum MODulation ON
207. le can send power on a frequency in more than one slot 3 2 3 Short Introduction to VAMOS The Voice services over Adaptive Multi user Channels on One Slot VAMOS exten sion to the GSM standard allows transmission of two GMSK users simultaneously within a single timeslot The standard specifies the downlink signal using Adaptive QPSK AQPSK modulation see 3GPP TS 45 004 where two subchannel binary sequences are multiplexed to form a single QPSK sequence The ratio of powers for the subchannels is referred to as the Subchannel Power Imbalance Ratio SCPIR One of the subchannels is inter preted as interference The value of SCPIR affects the shape of the AQPSK constella tion For an SCPIR of OdB the constellation is square as in normal QSPK while for other values of the SCPIR the constellation becomes rectangular A new set of training sequences TSCs has also been proposed see 3GPP TS 45 002 for GMSK signals The previous TSCs for GMSK bursts are listed as Set 1 while the new TSCs are listed as Set 2 AQPSK signals can be formed using TSCs from Set 1 on the first subchannel and TSCs from either Set 1 or Set 2 on the second subchannel In case a TSC from Set 2 is used it should match the TSC from Set 1 i e TSC lt n gt from Set 1 on subchannel 1 should match TSC lt n gt from Set 2 on subchannel 2 for n 0 7 The R amp S FSV K10 supports measurement of the following signals e GMSK bursts using the TSCs from Set 1
208. lt and is also available as an executable chm file on the CD delivered with the instrument Release Notes The release notes describe the installation of the firmware new and modified func tions eliminated problems and last minute changes to the documentation The corre sponding firmware version is indicated on the title page of the release notes The cur rent release notes are provided in the Internet 1 2 Conventions Used in the Documentation 1 2 1 Typographical Conventions The following text markers are used throughout this documentation Convention Description Graphical user interface ele All names of graphical user interface elements on the screen such as ments dialog boxes menus options buttons and softkeys are enclosed by quotation marks KEYS Key names are written in capital letters File names commands File names commands coding samples and screen output are distin program code guished by their font Input Input to be entered by the user is displayed in italics Links Links that you can click are displayed in blue font References References to other parts of the documentation are enclosed by quota tion marks 1 2 2 Conventions for Procedure Descriptions When describing how to operate the instrument several alternative methods may be available to perform the same task In this case the procedure using the touchscreen is described Any elements that can be activated
209. lt BitDefinition gt 0 to 65535 Example STAT QUE POWS NTR 65535 Usage SCPI confirmed Mode all STATus QUEStionable POWer PTRansition lt BitDefinition gt This command sets the edge detectors of all bits of the STATus QUEStionable POWer register from 0 to 1 for the transitions of the CONDi tion bit Parameters lt BitDefinition gt 0 to 65535 Example STAT QUES POW PTR 65535 Usage SCPI confirmed Mode all STATus QUEStionable SYNC EVENt This command queries the contents of the EVENt part of the STATus QUEStionable SYNC register The EVENt part indicates whether an event has occurred since the last reading it is the memory of the CONDition part It only indicates events passed on by the transi tion filters It is updated continuously This part can only be read by the user Reading the register or using the CLS command clears it For details on possible events see chapter 5 Status Reporting System on page 250 Example STAT QUES SYNC Usage Query only STATus Subsystem Mode GSM STATus QUEStionable SYNC CONDition This command queries the contents of the CONDition part of the STATus QUEStionable SYNC register This register part can only be read but not written to or cleared Readout does not delete the contents of the CONDition part Example STAT QUES SYNC COND Usage Query only Mode GSM STATus QUEStionable SYNC ENABle lt RegisterContent gt
210. m This command starts the measurement and reads out the maximum measurement of the IQ Offset taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Maximum Default unit NONE Example READ BURS IQOF MAX READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy IQOFfset SDEViation This command starts the measurement and reads out the standard deviation measure ment of the IQ Offset taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Standard deviation Default unit NONE Example READ BURS IQOF SDEV Usage Query only Mode GSM READ BURSt MACCuracy MERRor PEAK AVERage This command starts the measurement and reads out the average of the peak mea surement of the Magnitude Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem
211. measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit NONE Example READ BURS RMS SDEV READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy FERRor AVERage This command starts the measurement and reads out the average measurement of the Frequency Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem This command is retained for compatibility with R amp S FS K5 only Use the READ BURSt MACCuracy FREQuency AVERage command which behaves the same way Return values lt Result gt numeric value Average Default unit Hz Example READ BURS FERR AVER Usage Query only Mode GSM READ BURSt MACCuracy FERRor CURRent This command starts the measurement and reads out the currently measured value of the Frequency Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem This command is retained for compatibility with R amp S FS K5 only Use the READ BURSt MACC
212. measurement is running FREQ Key Example Loading I Q data exported from the R amp S FSV K10 option using MAT LAB Note UO values are in the unit Volt Sample rate 6 5 MHz Minimum number of complex samples 68751 10 ms capture time Maximum number of complex samples 6503751 1 s capture time The data order of the float values in the iqw file is III QQQ fid fopen IQ exported from KlO0 iqw r samples count fread fid inf float32 fclose fid nof cplx smpls floor count 2 IQ samples 1 nof cplx smpls li samples nof cplx smpls l 2 nof cplx smpls plot 20 10g10 abs 1Q Remote command MMEMory STORe IQ STATe on page 188 R amp S Support See R amp S Support on page 86 3 4 FREQ Key This key opens the General Settings dialog box and directly jumps to the Frequency field see Frequency on page 54 3 5 AMPT Key This key opens the General Settings dialog box and directly jumps to the Reference Level field see Reference Level on page 54 3 6 AUTO SET Key The AUTO SET key starts a single auto set procedure Select the parameters to be set automatically in the Auto Set tab on page 75 of the Meas Settings on page 60 dia log box SWEEP Key 3 7 SWEEP Key This key opens the Sweep menu which contains the following softkeys Refresh Repeats the evaluation of the data currently in the capture buffer without capturing new data This is useful after chan
213. mp S FS K5 only Use the READ BURSt MACCuracy FREQuency SDEViation command which behaves the same way Return values lt Result gt numeric value Standard deviation Default unit Hz Example READ BURS FERR SDEV Usage Query only Mode GSM READ Subsystem READ BURSt MACCuracy FREQuency AVERage This command starts the measurement and reads out the average measurement of the Frequency Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit Hz Example READ BURS FREQ AVER Usage Query only Mode GSM READ BURSt MACCuracy FREQuency CURRent This command starts the measurement and reads out the currently measured value of the Frequency Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Currently measured value Default unit Hz Example READ BURS FREQ CURR Usage Query only Mode GSM READ BURSt MACCuracy FREQuency MAXimum This command starts t
214. n CONFigure MS CHANnel SLOTO MTYPe AQPSk Subchannel Power Imbalance Ratio SCPIR 4 dB CONFigure MS CHANnel SLOTO SCPir 4 Linearised gaussian TX filter CONFigure MS CHANnel SLOTO FILTer LINearised II Set TSC of Subchannel 1 TSC 0 Set 1 CONFigure MS CHANnel SLOT0 SUBChannell TSC 0 1 JI Query TSC and Set of Subchannel 1 CONFigure MS CHANnel SLOT0 SUBChannell TSC Il gt 0 1 JI Set TSC of Subchannel 2 TSC 0 Set 2 CONFigure MS CHANnel SLOT0 SUBChannel2 TSC 0 2 JI Query TSC and Set of Subchannel 2 CONFigure MS CHANnel SLOT0 SUBChannel2 TSC I gt 0 2 GSM See SCPIR on page 63 CONFigure MS CHANnel SLOT lt s gt SUBChannel lt ch gt TSC Value This command selects the training sequence of the specified slot and subchannel used by the mobile or base station This command is only available for AQPSK modulation Suffix s ch Query parameters lt ResultType gt lt 0 7 gt Number of slot to configure lt 1 2 gt Subchannel number TSC SET Queries the currently used TSC number or the set Parameters for setting and query lt Value gt 0 1 0 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 5 1 5 2 6 1 6 2 7 1 7 2 USER TSC number and Set or User TSC Set 2 is only available for subchannel 2 RST 0 1 CONFigure Subsystem Example Enter the GSM option K10 INSTrument SELect GSM JI Activate slot 0 CONFigure M
215. n See Marker to Trace on page 85 CALCulate lt n gt MARKer lt m gt X Value This command positions the selected marker to the indicated position The corresponding trace must be active i e its status must not be BLANK see DISPlay WINDow lt n gt TRACe lt t gt MODE on page 143 Suffix n 1 irrelevant m 1 4 Marker number Parameters for setting and query Value numeric value x axis position of the marker Default unit NONE Example CALC1 MARK1 X 5 Mode GSM 4 4 CONFigure Subsystem CALCulate lt n gt MARKer lt m gt Y This command returns the y value at the position of the marker Suffix lt n gt lt 1 gt irrelevant lt m gt lt 1 4 gt Marker number Usage Query only Mode GSM Manual operation See Marker 1 2 3 4 on page 84 CALCulate lt n gt MARKer lt m gt ZOOM lt Value gt This command defines the ratio to be zoomed around the marker 1 in the selected measurement window The default value is 1 where the full trace is shown Suffix lt n gt lt 1 gt irrelevant lt m gt lt 1 4 gt irrelevant Parameters for setting and query lt Value gt numeric value Zoom factor Range 1 to 100 RST 1 Default unit NONE Mode GSM Manual operation See Unzoom on page 85 See Marker Zoom on page 85 CONFigure Subsystem The CONFigure Subsystem is used to set
216. n page 136 The result is a list of partial result strings separated by commas Return values Placeholder curently irrelevant lt Freq1 gt Absolute offset frequency in Hz lt Freq2 gt Absolute offset frequency in Hz FETCh Subsystem lt Level gt Measured level at the offset frequency in dB or dBm For more information see CONFigure SPECtrum SWITching LIMIT lt Limit gt Limit at the offset frequency in dB or dBm For more information see CONFigure SPECtrum SWITching LIMIT lt Abs Rel gt Indicates whether relative dB or absolute dBm limit and level values are returned For more information see CONFigure SPECtrum SWITching LIMIT lt Status gt Result of the limit check in character data form PASSED no limit exceeded FAILED limit exceeded Example FETC SPEC SWIT 0 998200000 998200000 84 61 56 85 REL PASSED 0 998400000 998400000 85 20 56 85 REL PASSED Usage Query only Mode GSM FETCh SPECtrum SWITching REFerence This command returns the measured reference power of the Transient Spectrum This command is only available when the Transient Spectrum measurement is selected see CONFigure SPECtrum SWITching IMMediate on page 136 The result is a list of partial result strings separated by commas Return values lt Level1 gt measured reference power in dBm lt Level2 gt measured reference power in dBm lt RBW gt resolution
217. n page 143 TRIG Key This key opens the General Settings dialog box and directly jumps to the Trigger Mode field see Trigger Mode on page 56 Softkeys of the Marker Menu MKR Key The following table shows the softkeys of the marker menu specific to the GSM mode MAIKE yA 84 UNZOOM decet eese Ere eee cse eoe a ecce E e cote AG d eel 85 Marker ZOO EE 85 Al Marker EE 85 Marker 1 2 3 4 Opens the Marker dialog box for the selected marker and activates the marker The current marker location on the x axis is indicated To set the marker to a different point enter the new x value The values for all active markers are displayed in the diagram To deactivate a marker select the softkey again Remote command CALCulate n MARKer m STATe on page 92 To activate or deactivate a marker CALCulate n MARKer m STATe on page 92 To move a marker or query its position CALCulate lt n gt MARKer lt m gt Y on page 95 To query the value of a marker 3 11 3 12 Softkeys of the Marker to Menu MKR Key Unzoom Resets the zoom to the default state Remote command CALCulate lt n gt MARKer lt m gt ZOOM on page 95 Marker Zoom Opens a dialog box in which you can enter the zoom factor for marker 1 The maxi mum zoom factor depends on the measurement Remote command CALCulate lt n gt MARKer lt m gt ZOOM on page 95 All Marker Off Switches all markers off Rem
218. n page 62 Using the Tail amp TSC Bits setting you can select whether the detected Tail and TSC bits or the standard bits as set in the Burst dialog box are used to construct the ideal signal Using the standard bits can be advantageous to verify whether the device under test sends the correct Tail and TSC bits Incorrect bits would lead to peaks in the EVM vs Time trace see chapter 3 1 4 EVM vs Time on page 15 at the positions of the incorrect bits Parameters for setting and query lt Value gt DETected STD RST DETected Example Mode Manual operation CONFigure Subsystem Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt JI Activate EVM vs Time measurement CONFigure BURSt ETIMe IMMediate Replace detected Tail amp TSC bits by the standard bits CONFigure MS DEMod STDBits STD Run a blocking single sweep INITiate IMMediate WAI Read the averaged EVM RMS value FETCh BURSt MACCuracy EVM RMS AVERage GSM See Tail amp TSC Bits on page 72 gt CONFigure MS DEVice TYPE lt Value gt This command specifies the type of device to be measured Parameters for setting and query lt Value gt Example Mode Manual operation BTSNormal BTSMicro BTSPico MSNormal MSSMall BTSNormal BTS TRX power class Normal BTSMicro BTS
219. nce power for the fol lowing measurements e Powervs Time e Modulation Spectrum e Transient Spectrum e Wide Modulation Spectrum Finally the Slot to Measure is used to measure the position of its TSC which repre sents the timing reference for the Power vs Time mask limit lines of all slots See also chapter 3 2 7 Defining the Scope of the Measurement on page 39 For details on the measurement types see chapter 3 1 Measurements and Result Dis plays on page 12 Remote command CONFigure MS CHANnel MSLots MEASure on page 100 Number of Slots to measure Demod tab Meas Settings This parameter specifies the Number of Slots to measure for the measurement inter val of multi slot measurements i e the Power vs Time and Transient Spectrum measurements Between 1 and 8 consecutive slots can be measured See also chapter 3 2 7 Defining the Scope of the Measurement on page 39 Remote command CONFigure MS CHANnel MSLots NOFSlots on page 100 First Slot to measure Demod tab Meas Settings This parameter specifies the start of the measurement interval for mulit slot measure ments i e Power vs Time Power vs Time and Transient Spectrum measurements relative to the GSM frame boundary The following conditions apply e First Slot to measure s Slot to Measure e Slot to Measure s First Slot to measure Number of Slots to measure 1 See also chapter 3 2 7 Defining the Scope of the Measuremen
220. ncluded e FEICRh BURSt subsystem 2 nci Rate ELA eee ELLE Ru EVE Lu FUR 146 e FETChioPECUum subsysltbln et tenete dedil uis 177 e FEICh WSPEctrum subsystem 5 eee cine tette antt Radon 179 FETCh BURSt subsystem FETCh BURSI MACCuracy ADRoop AVERage esses nennen 147 FETCh BURSI MACCuracy ADRoop CURRent ssssssssssssssesesee eene nennen 148 FETCh BURSI MACCuracy ADRoop MAXimum a eeeeeeeeeiises eene iiaa 148 FETCh BURSI MACCuracy ADRoop SDEViation esses 148 FETGIEBURSICMACGOuracV EE 148 FETChBURGOC MAC CuracvlBbOWer AVERage cece eaeae nennen enne 149 FETCh BURSt MACCuracy BPOWerCURREN1 resanni iir aaae ahaaa aAA 149 FETCHBURGOC MAC Curacvl BbOWer MA vimum cece eee ee eae iioii nennen 150 FETChBURGOC MAC Curacvl BbOWer GDEViaton ee eee eeeneeeteneeeeenes 150 FETCHBURSIEMACCuracyil EVM PEAK AVERAGE rennen 150 FETCHBURSH MACCuracyj EVM PEAK CURREN ciiir 151 FETChBURGOCMACCuracvltEVMIDEAK MANImum nennen 151 FETCh BURSI MACCuracy EVM PEAK SDEViation ccce 152 FETCh BURSI MACCuracy EVM RMS AVERage cessisset nnne 153 FETCh BURSI MACCuracy EVM ERMS CURRent e eicieieiiiiieecese sienta eee kann 153 FETCh BURSI MACCuracy EVM RMS MAXimum eese 154 FETCh BURSI MACCuracy EVM RMS SDEViation coeisceeesesees senes 154 FETCh BURSI MAGCuracy FERROF AVE
221. ng Pe hr e ENa EA EEN 36 e AQPSIK Modulation necesn aaan e eee Ren een ENEE T 37 Transducer Te ied eee tat petet Re Free erae erre bebe aee FRE SES Ree Rae cues 38 e Tgger e Lice ttr ter e e dee e htl een anes dere te uoo ld seed eoi quts 38 e Defining the Scope of the Measurement eee renes 39 Overview of filters in R amp S FSV IKTQ ic rr rrt ine nes E nod vocat 40 e Definition of the Symbol Period terrre er eren idees 44 Timeslot P bin 47 3 2 4 List of abbreviations 16QAM 16 ary Quadrature Amplitude Modulation 32QAM 32 ary Quadrature Amplitude Modulation 3GPP 3 Generation Partnership Project 8PSK Phase Shift Keying with 8 phase states AQPSK Adaptive Quadrature Amplitude Modulation ARFCN Absolute Radio Frequency Channel Number BTS Base Transceiver Station DL Downlink MS to BTS DUT Device Under Test EDGE Enhanced Data Rates for GSM Evolution EGPRS Enhanced General Packet Radio synonym for EDGE EGPRS2 Enhanced General Packet Radio and support of additional modulation coding schemes and higher symbol rate FDMA Frequency Division Multiplex Access GMSK Gaussian Minimum Shift Keying GPRS General Packet Radio Service GSM Global System for Mobile Communication HSCSD High Speed Circuit Switch Data R amp S FSV K10 Instrument Functions GSM IF Intermediate Frequency MS Mobile Station OOS Orig
222. nge between these tabs press the tab on the touchscreen Navigating in the table of contents e To move through the displayed contents entries use the UP ARROW and DOWN ARROW keys Entries that contain further entries are marked with a plus sign e To display a help topic press the ENTER key The View tab with the correspond ing help topic is displayed e Tochange to the next tab press the tab on the touchscreen Navigating in the help topics e To scroll through a page use the rotary knob or the UP ARROW and DOWN ARROW keys e To jump to the linked topic press the link text on the touchscreen Searching for a topic 1 Change to the Index tab Notes for Users of R amp S FSV 1307 9002Kxx Models 2 Enter the first characters of the topic you are interested in The entries starting with these characters are displayed 3 Change the focus by pressing the ENTER key 4 Select the suitable keyword by using the UP ARROW or DOWN ARROW keys or the rotary knob 5 Press the ENTER key to display the help topic The View tab with the corresponding help topic is displayed Changing the zoom 1 Change to the Zoom tab 2 Setthe zoom using the rotary knob Four settings are available 1 4 The smallest size is selected by number 1 the largest size is selected by number 4 Closing the help window P Press the ESC key or a function key on the front panel 1 4 Notes for Users of R amp S FSV 1307 9002Kxx Models Use
223. nk ra de 242 EE ee lee e a le CONFigure BURSEPTEMplate l ALigh erreo rrr nre nire re rennen dee e re re Eph GONFigure BURSEPTEMplate T MbIReS rennen eh re ree RE Ee re rne nisetivacsenversnetacse CONFigure BURSt PTEMplate IMMediate GONFigure SPECtrum HD d LTE IER ee Uert e EE CONRIOUE le un BET e EE CONFigure SPECtrum MObDulatiori E MIT tortor rre erre nte eR Rn CONFigure SPECtrum MODulation LIS T BANDwidth RESolution esee 134 CONFioure GbECirumMODulatont MMedatel nennen rennen 134 CONFigure SPECtrum SELect GONFigure SPECtrum SWITching EIMIT isse icon ient re tht e her trt ener rn re s 137 CONFigure SPEGtrum SWlTching TYPE E 137 GONFigure SPECtrum SWITehing IMMediate 26er tn rct ern rrr cnn 136 GONFigure T RGS ADPSIZS i rrr ene terr REIR eiii re FIR RR RNEE REN e Rr RE Er PEE Yen ERE o Rea oy 138 CONFIQUre TRGS e 138 CONFiguresTIRGSEIMMEdiale tcn cii rot eege CONFigure WSPectrum MODulation LIMIT CONFigure WSPectrum MODulation LIST SELeotl 21 2 rr rte trt eerta kn En 141 CONFigure WSPectrum MODulation IMMediate seen nennen 139 II ee UE RE RT ee e DTN gei ee WIRE REN O vevciiectesenesecoretp evened eheavebeacadseeavedsbesnieyneveteay seed eet eudincecauysedeutinancndendasecapsiesaieendenenerestenestes GONFig rer MSEAUTO PRAMG genee erdeelt ES ee UE RER ENK BEE CO
224. nt e R amp S FSV K70 Vector Signal Analysis Operating Manual R amp S FSV K70 Vector Signal Analysis Getting Started First measurements e R amp S FSV K72 3GPP FDD BTS Analysis e R amp S FSV K73 3GPP FDD UE Analysis e R amp S FSV K76 77 3GPP TD SCDMA BTS UE Measurement e R amp S FSV K82 83 CDMA2000 BTS MS Analysis e R amp S FSV K84 85 1xEV DO BTS MS Analysis e R amp S FSV K91 WLAN IEEE 802 11 e R amp S FSV K93 WiMAX IEEE 802 16 OFDM OFDMA Analysis e R amp S FSV K100 K104 EUTRA LTE Downlink Measurement Application e R amp S FSV K101 K105 EUTRA LTE Uplink Measurement Application These manuals are available in PDF format on the CD delivered with the instrument Service Manual This manual is available in PDF format on the CD delivered with the instrument It describes how to check compliance with rated specifications instrument function repair troubleshooting and fault elimination It contains all information required for repairing the R amp S FSV by replacing modules The manual includes the following chap ters Chapter 1 Performance Test Chapter 2 Adjustment Chapter 3 Repair Chapter 4 Software Update Installing Options Chapter 5 Documents Online Help The online help contains context specific help on operating the R amp S FSV and all avail able options It describes both manual and remote operation The online help is instal Conventions Used in the Documentation led on the R amp S FSV by defau
225. nt result e Instead of the average power the peak power is measured e The number of fixed offset frequencies is lower Transient Spectrum Frequency Domain 50 dBm 60 dBm 70 dBm 90 dBm Fig 3 16 Frequency Domain of Transient Spectrum with traces and limits red Operating Manual 1176 7526 02 04 26 R amp S FSV K10 Instrument Functions GSM Transient Spectrum List Lower Upper dB A to Lim His dBm Ato Lim 95 8 7 Fig 3 17 Result Table in Transient Spectrum To start a Transient Spectrum measurement select Spectrum gt Transient Spec trum see Transient Spectrum on page 79 and then start a measurement RUN SINGLE RUN CONT key Transient Spectrum results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measurement If the Transient Spectrum softkey is not available include Transient Spectrum in the multiple measurement selection or disable the multiple measurement mode The following default settings are used for Transient Spectrum measurements Setting Default Measurement Scope The slot scope defined by First Slot to measure and Number of Slots to mea sure in Measurement Settings see chapter 3 2 7 Defining the Scope of the Measurement on page 39 Averaging Configuration Number of frames as selected in Statistic Count in General Settings see Statistic Count on page
226. nts are not available for signals from the Digital Baseband Interface R amp S FSV B17 Table 3 4 Frequencies and filter bandwidths in wide modulation spectrum measurements Offset Frequency kHz RBW kHz VBW kHz 100 30 30 200 30 30 250 30 30 400 30 30 600 30 30 800 30 30 1000 30 30 1200 30 30 1400 30 30 1600 30 30 1800 30 30 2000 100 100 2200 100 100 2400 100 100 2600 100 100 2800 100 100 3000 100 100 3200 100 100 3400 100 100 3600 100 100 3800 100 100 4000 100 100 4200 100 100 4400 100 100 4600 100 100 4800 100 100 5000 100 100 5200 100 100 5400 100 100 Measurements and Result Displays Offset Frequency kHz RBW kHz VBW kHz 5600 100 100 5800 100 100 6000 100 100 The measurement can be performed using either the External or Power trigger modes see chapter 3 2 6 Trigger settings on page 38 The trigger signal must be received once per GSM frame d d When using a power trigger every active burst in the frame is measured It is therefore important that all active bursts in the frame have the same modulation and filter type otherwise the measurement results are not standard conformant Power trigger operation is not recommended for modulation formats that have zero crossings i e all except GMSK QPS
227. o BTS Pico MS Normal MS Small The default device type is BTS Normal Remote command CONFigure MS DEVice TYPE on page 114 Frequency Band Primary Settings General Settings The following frequency bands are supported T GSM 380 T GSM 410 GSM 450 GSM 480 GSM 710 GSM 750 T GSM 810 GSM 850 P GSM 900 E GSM 900 R GSM 900 Softkeys and Settings of the GSM Menu e T GSM 900 e DCS 1800 e PCS 1900 The default frequency band is E GSM 900 Remote command CONFigure MS NETWork TYPE on page 121 CONFigure MS NETWork FREQuency BAND on page 122 Frequency Primary Settings General Settings Specifies the center frequency of the signal to be measured If the frequency is modi fied the ARFCN is updated accordingly see ARFCN on page 54 Remote command SENSe FREQuency CENTer on page 230 ARFCN lt Primary Settings General Settings To set the Absolute Radio Frequency Channel Number ARFCN enter the desired number in this field Setting the ARFCN will update the Frequency Possible values are in the range from 0 to 1023 however some values may not be allowed depending on the selected frequency band Remote command CONFigure MS ARFCn on page 97 Reference Level Primary Settings General Settings Defines the reference level in dBm The reference level value is the maximum value the AD converter can handle without distortion of the measured value Signal levels a
228. o single sweep mode DISP WIND TRAC MODE AVER Switches on trace averaging SWE COUN 20 Setting the sweep counter to 20 sweeps INIT WAI Starts the measurement and waits for the end of the 20 sweeps Mode all INITiate lt n gt CONTinuous State This command determines whether the trigger system is continuously initiated contin uous or performs single measurements single The sweep is started immediately Suffix n irrelevant Parameters State ON OFF RST ON INITiate Subsystem Example INIT CONT OFF Switches the sequence to single sweep INIT CONT ON Switches the sequence to continuous sweep Mode all INITiate REFMeas IMMediate Repeats the evaluation of the data currently in the capture buffer without capturing new data This is useful after changing settings for example the Statistic Count Averaging is performed according to the Statistic Count and automatically stops when the defined Statistic Count or the end of the captured data is reached Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and do one measurement INITiatel CONTinuous OFF Set capture time to 1 s SENSel SWEep TIME 1 S JI Activate power vs time measurement CONFigure BURSt PTEMplate IMMediate Run a blocking single sweep INITiate IMMediate WAI Export captured UO data to file MMEMory STORe IQ STATe 1 C gsm_1 iqw
229. o this command make sure you set the correct Trigger Mode IF power or External and Trigger Offset in the General Settings dialog see General Settings on page 52 The Trigger Offset can be determined using the Auto Set Trigger functionality of the R amp S FSV K10 Return values lt TriggerOffset gt Calculated trigger offset based on the user defined Trigger Off set and Frame Configuration such that 50 90 of the active part of the Slot to measure excluding TSC is measured lt GateLength gt Calculated gate length based on the user defined Trigger Off set and Frame Configuration such that 50 90 of the active part of the Slot to measure excluding TSC is measured Example READ WSP MOD GAT Usage Query only Mode GSM 4 12 SENSe Subsystem READ WSPectrum MODulation REFerence IMMediate This command starts the measurement and returns the measured reference power of the Wide Modulation Spectrum This command is only available when the Wide Modulation Spectrum measurement is selected see CONFigure WSPectrum MODulation IMMediate on page 139 The result is a list of partial result strings separated by commas Return values lt Level1 gt measured reference power in dBm lt Level2 gt measured reference power in dBm lt RBW gt resolution bandwidth used to measure the reference power in Hz Example READ WSPectrum MODulation REFerence IMMediate Mode GSM SENSe Subs
230. odula tion spectrum of the mobile or base station This command is only available when the Modulation Spectrum measurement is selected see CONFigure SPECtrum MODulation IMMediate on page 134 The result is a list of partial result strings separated by commas Return values Placeholder curently irrelevant Freq1 Absolute offset frequency in Hz lt Freq2 gt Absolute offset frequency in Hz lt Level gt Measured level at the offset frequency in dB or dBm depending on CONF WSP MOD LIM lt Limit gt Limit at the offset frequency in dB or dBm depending on CONF WSP MOD LIM lt Abs Rel gt Indicates whether relative dB or absolute dBm limit and level values are returned depending on CONF WSP MOD LIM lt Status gt Result of the limit check in character data form PASSED no limit exceeded FAILED limit exceeded Example READ SPEC MOD 0 998200000 998200000 84 61 56 85 REL PASSED 0 998400000 998400000 85 20 56 85 REL PASSED Mode GSM READ SPECtrum MODulation REFerence IMMediate This command starts the measurement and returns the measured reference power of the Modulation Spectrum This command is only available when the Modulation Spectrum measurement is selected see CONFigure SPECtrum MODulation IMMediate on page 134 The result is a list of partial result strings separated by commas Return values lt Level1 gt measured reference power in dBm lt L
231. ol periods See 3GPP TS 51 0213GPP TS 51 021 and 3GPP TS 45 0103GPP TS 45 010 chapter 6 7 Timeslot length for further details This parameter is used to adjust the time for the Power vs Time masks of all slots The Slot to measure is used as the time reference for the entire frame CONFigure Subsystem Parameters for setting and query lt State gt 110 ON OFF RST ON Example CONF CHAN FRAM EQU OFF Mode GSM Manual operation See Equal Timeslot Length on page 62 CONFigure MS CHANnel MSLots MEASure lt Value gt This command specifies the slot to be measured in single slot measurements relative to the GSM frame start Parameters for setting and query lt Value gt numeric value Slot to measure in single slot measurements relative to the GSM start frame Range 0 to 7 RST 0 Slots Default unit NONE Example CONF CHAN MSL MEAS 5 Mode GSM Manual operation See Slot to Measure on page 61 CONFigure MS CHANnel MSLots NOFSlots lt Value gt This command specifies the number of slots to measure for the measurement interval of multi slot measurements i e the Power vs Time and Transient Spectrum meas urements Between 1 and 8 consecutive slots can be measured Parameters for setting and query lt Value gt numeric value Number of slots to measure Range 1to8 RST 1 Slots Default unit NONE Example CONF CHAN MSL NOFS 5 Mode GSM Manual operation See Number of Slots to measure
232. old on page 126 Symbol Decision Advanced tab Meas Settings The symbol decision determines how the symbols are detected in the demodulator The setting of this parameter does not effect the demodulation of normal bursts with GMSK modulator For normal bursts with 8PSK 16QAM 32QAM or AQPSK modula tion or Higher Symbol Rate bursts with QPSK 16QAM or 32QAM modulation use this parameter to get a trade off between performance symbol error rate of the R amp S FSV K10 and measurement speed Auto Automatically selects the symbol decision method Linear Linear symbol decision Uses inverse filtering a kind of zero forcing filter and a symbol wise decision method This method is recommen ded for high symbol to noise ratios but not for Higher Symbol Rate bursts with a narrow pulse The inverse filter colors the noise inside the signal bandwidth and therefore is not recommended for narrow band signals or signals with a low signal to noise ratio Peaks in the EVM vs Time measurement see chapter 3 1 4 EVM vs Time on page 15 may occur if the Linear symbol decision algorithm fails In that case use the Sequence method Linear is the fastest option Sequence Symbol decision via sequence estimation This method uses an algo rithm that minimizes the symbol errors of the entire burst It requires that the tail bits in the analyzed signal are correct It has a better per formance lower symbol error rate compared to the Linear
233. ommand reads out the crest factor for the selected slot for all measured bursts This command is only available if Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt s gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure lt s lt First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Crest factor Default unit dB FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOTO ALL CRESt Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt ALL MAXimum This command reads out the maximum power for the selected slot for all measured bursts This command is only available if Power vs Time measurement is selected see CO
234. ommand selects measurement of the modulation accuracy Example CONF BURS MACC Usage Setting only Mode GSM Manual operation See Modulation Accuracy on page 76 CONFigure BURSt MERRor IMMediate This command selects measurement of the Magnitude Error vs Time see chap ter 3 1 5 Magnitude Error vs Time on page 16 Example CONF BURS MERR Usage Setting only Mode GSM Manual operation See Magnitude Error on page 77 CONFigure BURSt PFERror IMMediate This command selects measurement of the Phase Error vs Time see chapter 3 1 3 Phase Error vs Time on page 14 Example CONF BURS PFER Usage Setting only Mode GSM Manual operation See Phase Error on page 77 CONFigure Subsystem CONFigure BURSt PTEMplate IMMediate This command selects the measurement of power vs time PvT of the mobile or base station Both graph and list results slot power and Delta to Sync values are dis played Example CONF BURS PTEM Usage Setting only Mode GSM Manual operation See PvT on page 78 CONFigure BURStPTEMplate FILTer Value The PvT Filter controls the filter used to reduce the measurement bandwidth for single carrier Power vs Time measurements The parameter is only available if Multi Car rier BTS in the Multi Carrier tab is switched off see Multicarrier BTS on page 74 Therefore the PvT Filter pa
235. on Default unit Hz Example FETC BURS FERR SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy FREQuency AVERage This command reads out the average measurement of the Frequency Error taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Average value Default unit Hz Example FETC BURS FREQ AVER Usage Query only Mode GSM FETCh BURSt MACCuracy FREQuency CURRent This command reads out the currently measured value of the Frequency Error taken over the selected number of bursts see Statistic Count on page 56 FETCh Subsystem Return values lt Result gt numeric value Currently measured value Default unit Hz Example FETC BURS FREQ CURR Usage Query only Mode GSM FETCh BURSt MACCuracy FREQuency MAXimum This command reads out the maximum measurement of the Frequency Error taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Maximum Default unit Hz Example FETC BURS FREQ MAX Usage Query only Mode GSM FETCh BURSt MACCuracy FREQuency SDEViation This command reads out the standard deviation measurement of the Frequency Error taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Standard deviation Default unit Hz
236. on spectrum measurements for measurements in zero span mode see CONFigure WSPectrum MODulation IMMediate on page 139 Example CONF SPEC MOD Usage Setting only Mode GSM Manual operation See Modulation Spectrum on page 79 CONFigure SPECtrum MODulation LIMIT Mode This command selects whether the list results power and limit values of the Modula tion Spectrum measurement are returned in a relative dB or absolute dBm unit This command is only available when the Modulation Spectrum measurement is selected see CONFigure SPECtrum MODulation IMMediate on page 134 Parameters for setting and query Mode ABSolute RELative RST RELative Example Select Modulation Spectrum measurement JI measurement on captured UO data CONFigure SPECtrum MODulation IMMediate Only list results are required CONFigure SPECtrum SELect LIST JI Absolute power and limit results in dBm CONFigure SPECtrum MODulation LIMit ABSolute Run one measurement and query absolute list results READ SPECtrum MODulation ALL gt 0 933200000 933200000 108 66 65 00 ABS PASSED Mode GSM CONFigure SPECtrum MODulation LIST BANDwidth RESolution lt OffsetFreq gt lt RBW_VBW gt This command controls the resolution bandwidth RBW and video bandwidth VBW used in the Modulation Spectrum and Wide Modulation Spectrum measurements at offset frequencies of 1800 kHz from the carrier
237. onable POWer EVENt 233 STATUs QUEStionable S YNC CONDIORD iet ppt dece Pg tpe ten gd e d 235 STATUS QUEStionable de EE 235 STATus QUEStionable SYING NT RAMSIIOM oii ccc 2 1 enr rre eene er rere rione RATY 235 STATus QUEStionable SYNG P TRahisitloh 1 netter he rentre t te nnns 236 E MR el TT de RE CU RE 234 TRAC SE Np qM 237 di ser B pi 236 Re NET Q E MR it hdi oe E eco eret tt iode zen Ha Rea esa te vea ER pue odit RR e RR 237 TRIGSer n SEQuence EOLDDofI TIME ioci tou tta toma ts ave tera err recs 238 TRIGger n SEQuence E EVel IFPPOWOr rr roo rrt rre ntn tee rte re de en en 239 TRIGg er n gt SEQuence LEVI EXTA c mirer reta rt tette etr trenes aro oe CR i t mts 238 NR ee E Re Eer Rei 239 TRIGger n2 SEQuence SYNChronize ADJust AUTO nennen nennen ener 239 TRIGger lt n gt SEQuence SYNChronize ADJust EXTernal 240 TRIGger n2 SEQuence SYNChronize ADJust IFPower esee 240 TRlGoerznztGOuencel SdhNChrontze ADlustIMMedate 240 TRIGger n2 SEQuence SYNChronize ADJust RFPower eese eene nennen nennen 241 Index Symbols EI M 3GPP TS 45 004 SGPP VS 49 009 EE SGPP RE LE EE 3GPP TS 51 010 3GPP TS 51 021 BPSK iios 16QAM OCIA eS 31 32 35 A Active TEEN 47 Adaptive
238. onfiguration in the capture buffer Note For Burst no demodulation measurements e g Modula tion Accuracy are supported Only Power vs Time Modula tion Spectrum Transient Spectrum measurements are sup ported NONE Do not synchronize at all If an external or power trigger is chosen the trigger instant corresponds to the frame start Tip Manually adjust the trigger offset to move the burst to be analyzed under the mask in the Power vs Time measurement Note For None no demodulation measurements e g Modu lation Accuracy are supported Only Power vs Time Modu lation Spectrum Transient Spectrum measurements are sup ported RST ALL Example CONF SYNC MODE TSC Mode GSM 4 4 2 CONFigure Subsystem Manual operation See Synchronization on page 55 CONFigure MS SYNC ONLY lt State gt If activated only results from frames slots where the Slot to measure was found are displayed and taken into account in the averaging of the results The behavior of this function depends on the value of the Synchronization parameter see CONFigure MS SYNC MODE on page 127 Parameters for setting and query State 110 ON OFF 1 ON measure only on sync 0 OFF always measure even if sync not found RST OFF Example CONF SYNC MODE TSC Search the capture buffer for the TSC of the Slot to measure as given in the frame configuration CONF SYNC ONLY ON Only if the TSC is found
239. onfigure first slot slot 1 Normal burst GMSK TSC 1 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 1 Configure first slot slot 2 Normal burst GMSK TSC 2 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 2 Configure first slot slot 3 Normal burst GMSK TSC 3 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 3 Configure first slot slot 4 Normal burst GMSK TSC 4 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 4 Configure first slot slot 5 Normal burst GMSK TSC 5 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 5 Configure first slot slot 6 Normal burst GMSK TSC 6 CONFigure MS CHANnel SLOTO STATe ON CONFigure MS CHANnel SLOTO TYPE NB CONFigure MS CHANnel SLOTO MTYPe GMSK CONFigure MS CHANnel SLOTO FILTer GMSK CONFigure MS CHANnel SLOTO TSC 6 Conf
240. ot scope i e First slot to measure lt s lt First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Average power Default unit dBm FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOTO CURRent AVERage Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt CURRent CRESt This command reads out the crest factor for the selected slot for the current burst This command is only available if Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt s gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure lt s lt First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric v
241. ot to measure s First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Maximum Default unit dBm READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Please use FETCh to query several results READ BURSt SPOWer SLOT1 ALL MAXimum Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt CURRent AVERage This command starts the measurement out the average power for the selected slot for the current burst This command is only available when the Power vs Time measure ment is selected See CONFigure BURSt PTEMplate IMMediate on page 130 Suffix lt Slot gt lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure s First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Average Default unit dBm READ Subsystem Exampl
242. ote command CALCulate lt n gt MARKer lt m gt AOFF on page 93 Softkeys of the Marker to Menu MKR Key This section describes the softkeys of the Marker To menu available for the GSM mode Marker to Trace Opens an edit dialog box to enter the number of the trace on which the marker is to be placed Remote command CALCulate lt n gt MARKer lt m gt TRACe on page 94 Softkeys of the Input Output Menu The following chapter describes all softkeys available in the Input Output menu for GSM measurements Note that the digital baseband functions are only available if the optional Digital Baseband Interface R amp S FSV B17 is installed For details see the base unit description E 86 BCEE 86 LE 86 EE c EE 86 L Firmware Updefe tetas ter sra ttasast sese se senesa 86 M 1 c MENOR 86 2t 0 AMNEM 86 R amp S FSV K10 Instrument Functions GSM puI SS SSS Se eee EXIQ Opens a configuration dialog box for an optionally connected R amp S EX IQ BOX and a submenu to access the main settings quickly Note The EX IQ Box functionality is not supported for R amp S FSV models 1321 3008Kxx If the optional R amp S DiglConf software is installed the submenu consists only of one key to access the software Note that R amp S DiglConf requires a USB connection not LAN from the R amp S FSV to the R amp S EX IQ BOX in addition to the R amp S Digi tal I Q Interface connection R amp S DiglConf version 2 10 or higher is required Fo
243. ote command CONFigure SPECtrum MODulation LIST BANDwidth RESolution on page 134 High Dynamic Advanced tab Meas Settings If activated the results of the I Q based Modulation Spectrum measurement are cor rected by the instrument s inherent noise which increases the dynamic range When High Dynamic is activated a measurement of the instrument s inherent noise is automatically carried out The instrument s inherent noise is then removed from the measured results The inherent noise of the instrument depends on the selected center frequency and level setting Therefore the measurement of the inherent noise is repea ted whenever one of these parameters is changed In addition for instruments with early detector boards with an even hardware code see column HWC in the hardware information dialog phase noise is reduced at 600 kHz offset frequencies Note For best performance for modulation accuracy measurements on instruments with early detector boards deactivate the High Dynamic mode Remote command CONFigure SPECtrum HDYNamic on page 132 Wide Mod Freq List Advanced tab Meas Settings For Wide Modulation Spectrum measurements the wide modulation frequency list con trols whether offset frequencies are measured up to 1800 kHz or 6000 kHz Narrow The measurement is performed for offset frequencies up to 1800 kHz from the carrier this setting improves measurement speed Wide Default The me
244. ount on page 56 This command is only available if an external trigger is selected and the Trigger to Sync measurement is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Minimum time Default unit S Usage Query only Mode GSM FETCh BURSt PTEMplate TRGS SDEViation This command queries the standard deviation of the time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Statistic Count on page 56 This com mand is only available if an external trigger is selected and the Trigger to Sync mea surement is active see CONFigure TRGS 1MMediate on page 138 FETCh Subsystem Return values lt Result gt numeric value Standard deviation Default unit S Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum JI Auto set trigger offset II Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE Run a blocking single sweep INITiate IMMediate WAI JI Query the measurement result FETC BURS
245. r Magnitude taken over the selected number of bursts Return values lt Result gt numeric value Average value Default unit NONE FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS PEAK AVER Usage Query only Mode GSM FETCh BURSt MACCuracy EVM PEAK CURRent This command reads out the current peak value of the Error Vector Magnitude taken over the selected number of bursts Return values lt Result gt numeric value Currently measured peak Default unit NONE Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS PEAK CURR Usage Query only Mode GSM FETCh BURSt MACCuracy EVM PEAK MAXimum This command reads out the maximum of the peak measurement of the Error Vector Magnitude taken over the selected number of bursts FETCh Subsystem
246. r effects the Modulation Spectrum and Transient Spectrum measurements Note For measurements on multi carrier signals using either the check on the left or right side allows you to measure the spectrum of the left or right most channel while ignoring the side where adjacent channels are located Remote command CONFigure SPECtrum LIMit RIGHt on page 133 Filter Type Advanced tab Meas Settings This parameter sets the filter type for the resolution filter to Normal 3 dB Gauss filter or a 5 pole according to the GSM standard filter for the Modulation Spectrum Transient Spectrum and Wide Modulation Spectrum measurements Remote command SENSe BANDwidth RESolution TYPE on page 229 Transient Ref Power Advanced tab Meas Settings This parameter controls how the reference power of the Transient Spectrum mea surement see chapter 3 1 10 Transient Spectrum on page 26 is measured Note To perform the measurement according to the 3GPP standard set Transient Ref Power to RMS and the PvT Filter to the slot with the highest power See 3GPP TS 45 005 chapter 4 Transmitter characteristics For GMSK modulation the term output power refers to the measure of the power when averaged over the useful part of the burst see annex B For QPSK AQPSK 8 PSK 16 QAM and 32 QAM modulation the term output power refers to a measure that with sufficient accuracy is equivalent to the long term aver a
247. r typical applications of the R amp S EX IQ BOX see also the description of the R amp S Digital UO Interface R amp S FSV B17 in the base unit manual For details on configuration see the R amp SGEx UO Box External Signal Interface Mod ule Manual For details on installation and operation of the R amp S DiglConf software see the R amp SGEX IQ BOX Digital Interface Module R amp SGDiglConf Software Operating Man ual TX Settings EXIQ Opens the EX IQ BOX Settings dialog box to configure the R amp S FSV for digital out put to a connected device Transmitter Type RX Settings EXIQ Opens the EX IQ BOX Settings dialog box to configure the R amp S FSV for digital input from a connected device Receiver Type Send To EXIQ The configuration settings defined in the dialog box are transferred to the R amp S EX IQ BOX Firmware Update EXIQ If a firmware update for the R amp S EX IQ BOX is delivered with the R amp S FSV firmware this function is available In this case when you select the softkey the firmware update is performed R amp S Support EXIQ Stores useful information for troubleshooting in case of errors This data is stored in the C R_S Instr user Support directory on the instru ment If you contact the Rohde amp Schwarz support to get help for a certain problem send these files to the support in order to identify and solve the problem faster DiglConf EXIQ Starts the optional R amp
248. r vs Time This measurement displays the phase error over time The measurement consists of a graph and a table which is a condensed version of the Modulation Accuracy table see chapter 3 1 2 Modulation Accuracy on page 13 Phase Error vs Time Graph Fig 3 2 Phase Error vs Time graph Operating Manual 1176 7526 02 04 14 R amp S FSV K10 Instrument Functions GSM Modulation Accuracy List litem L Current Average Peak Std Dev Phase Error Origin Offset Suppression IO Offset IQ Imbalance Frequency Error Fig 3 3 Phase Error values in Modulation Accuracy list To start a Phase Error vs Time measurement select Demod gt Phase Error see Phase Error on page 77 and then start a measurement RUN SINGLE RUN CONT key Meas Tab on page 72 In this case you do not need to start a new measurement If the Phase Error softkey is not available include Demod in the multiple measure ment selection or disable the multiple measurement mode o Phase Error vs Time results can be included in multiple measurements see Multi The following default settings are used for a Phase Error vs Time measurement Setting Default Measurement Scope The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Averaging Configuration Number of bursts as selected in Statistic Count in General Settings Statistic Count on page 56
249. ral results READ BURS PTEM TRGS MIN Usage Query only Mode GSM READ BURSt PTEMplate TRGS SDEViation This command starts a Trigger to Sync measurement and queries the standard devi ation of the time between the external trigger event and the start of the first symbol of the training sequence midamble in seconds over the selected number of UO captures see Statistic Count on page 56 This command is only available if an external trig ger is selected and the Trigger to Sync measurement is active see CONFigure TRGS IMMediate on page 138 Return values Result numeric value Standard deviation Default unit S READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set external trigger more TRIGgerl SEQuence SOURce EXTernal JI Activate Trigger to Sync measurement CONFigure TRGS IMMediate JI Set minimum capture time to speed up measurement SENSe1 SWEep TIME MINimum JI Auto set trigger offset II Note Correct frame slot configuration assumed CONFigure MS AUTO TRIGger ONCE II Note READ starts a new single sweep and then reads the results Use FETCh to query several results READ BURS PTEM TRGS SDEV Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt ALL AVERage This
250. rameter in the Multi Carrier tab is ignored in the single carrier case Parameters for setting and query Value G1000 G500 B600 B600 Default Lowpass 600 kHz G500 Gaussian Filter 500 kHz G1000 Gaussian Filter 1000 kHz RST G1000 Example CONF BURS PTEM FILT G500 Mode GSM Manual operation See PvT Filter on page 67 CONFigure Subsystem CONFigure BURSt PTEMplate SELect lt Value gt Parameters for setting and query lt Value gt Example Mode Manual operation FULL RISing FALLing TOP FRISing FULL Full burst all bursts in the slot scope are displayed RISing Rising edges only the rest of the bursts are removed FALLing Falling edges only the rest of the bursts are removed TOP Top high resolution the Y axis is streched to show the measure ment slot power area in detail FRISing Rising and Falling together useful parts and guard intervals removed RST FULL CONF BURS PTEM SEL FULL GSM See Full on page 78 See Rising on page 78 See Falling on page 79 See Rise amp Fall on page 79 See Top on page 79 CONFigure BURSt PTEMplate TALign Mode This command controls the time alignment of the limit lines for the Power vs Time measurement see Limit Time Alignment on page 68 Note When measuring Access bursts the parameter Limit Time Alignment should be set to PSLot since the position of an Access burst within a slot depends on the set
251. re MS MULTI BURStDEModulation 22 iine eaaa coni ntt 119 GONFigurepMS MUETIEBURSECPTEMplale t rore t x nee einer 119 CONFigure MS MULTi SPECtrum MODuUulation e eise 119 CONFigure EMS MULTESPEC gheet sic atacar tnu nn ce rna tene rcs 120 GONFigure MS MULTIS TAT6 uui ccu tc ieu cuz ceto Sa ENEE 120 GONFiguire MSIANET Work TYPE s ae Eur ne oerte Noe ERR AREE Rete hen aad 121 CONFigure MS NETWork FREQuency BAND isses rere nitens 122 CONFig re MS POWer GLASS EE 123 EE Lee Die e H KM RE 124 CONFigure Subsystem CONFigu re MS Oe AUTO ME 125 CONFiguarerMS POWerAUTCO KSWESp TIME 1r Eee e aea 125 CONFig re MS PRATO e 126 CON Figure MSI RESTO EE 126 EL ER GT EE 126 GONFiguire MS SYNGOC Threshold caia a ete wu rede e 126 CONFIE MS d e de TE 127 CONFloure MS SvNC ONLY 128 CONFigure MS ARFCn lt Value gt This command specifies the Absolute Radio Frequency Channel Number ARFCN to be measured Setting the ARFCN updates the frequency Parameters for setting and query lt Value gt numeric value Range 0 to 1023 some values may not be allowed depending on the selected frequency band Default unit NONE Example CONF ARFC 5 Mode GSM Manual operation See ARFCN on page 54 CONFigure MS AUTO lt Value gt This command executes the auto set routines once i e its function corresponds to pressin
252. re used in the GSM mobile radio network The original GSM modulation is GMSK with the normal symbol rate NSR of approx 270 833 ksymb s exact 1625 6 ksymb s This corresponds to a bit rate of 270 833 kbit s The details are specified in chapter 2 of 3GPP TS 45 004 see table 3 1 The 8PSK Phase Shift Keying modulation which is used within EDGE was intro duced to increase the data rate on the physical link It uses the same symbol rate the p Operating Manual 1176 7526 02 04 34 Further Information normal symbol rate as GMSK 270 833 ksymb s but has a bit rate of 3 x 270 833 kbit s exact 812 5 kbit s In this method three bits represent a symbol The details are specified in chapter 3 3GPP TS 45 004 see table 3 1 The 16QAM and 32QAM Quadrature Amplitude Modulation modulation which are used in EDGE Evolution were introduced to further increase the data rate on the phys ical link They use the normal symbol rate 270 833 ksymb s but have bit rates of 4 x 270 833 kbit s or 5 x 270 833 kbit s respectively The details are specified in chapter 4 3GPP TS 45 004 see table 3 1 The QPSK 16QAM and 32QAM modulation at higher symbol rate which are used in EDGE Evolution were introduced to further increase the data rate on the physical link They use a higher symbol r
253. rol commands defined for the GSM EDGE EDGE Evolu tion EGPRS2 and VAMOS measurements e chapter 5 Status Reporting System on page 250 provides a description of the status registers This part of the documentation includes only functions of the Application Firmware R amp S FSV K10 For all other descriptions refer to the description of the base unit 3 Instrument Functions GSM The R amp S FSV equipped with the GSM option performs measurements on downlink or uplink signals according to the Third Generation Partnership Project 3GPP standards for GSM EDGE EDGE Evolution EGPRS2 and Voice services over Adaptive Multi user Channels on One Slot VAMOS in different domains Time Frequency IQ Sig nals with GMSK AQPSK QPSK 8PSK 16QAM and 32QAM modulation normal or higher symbol rate and different TX filters e g narrow and wide pulse can be mea sured The measurements for Power vs Time Modulation Accuracy and Modulation and Transient Spectrum as required in the standard can be performed The measurements and the physical layer the layer of the GSM network on which modulation transmission of RF signals reception of RF signals and demodulation take place is defined in the standards Table 3 1 GSM standards e 3GPP TS 45 004 Details on Modulation e 3GPP TS 45 005 General measurement specifications and limit values e 3GPP TS 45 010 Details on Synchronization and Timing e 3GPP TS 51 010 Detailed
254. rs of R amp S FSV 1307 9002Kxx models should consider the following differences to the description of the newer R amp S FSV 1321 3008Kxx models e Functions that are based on the Windows operating system e g printing or set ting up networks may have a slightly different appearance or require different set tings on the Windows XP based models For such functions refer to the Windows documentation or the documentation originally provided with the R amp S FSV instru ment e The R amp S FSV 1307 9002K03 model is restricted to a maximum frequency of 3 GHz whereas the 1321 3008K04 model has a maximum frequency of 4 GHz e The bandwidth extension option R amp S FSV B160 1311 2015 xx is not available for the R amp S FSV 1307 9002Kxx models The maximum usable UO analysis bandwidth for these models is 28 MHz or with option R amp S FSV B70 40 MHz 2 Introduction This document contains all information required for operation of an R amp S FSV equipped with Application Firmware R amp S FSV K10 It covers operation via menus and the remote control commands for GSM EDGE EDGE Evolution EGPRS2 and VAMOS Voice services over Adaptive Multi user channels on One Slot measurements This part of the documentation consists of the following chapters e chapter 3 Instrument Functions GSM on page 11 describes the overall instrument functions and provides further information e chapter 4 Remote Commands GSM on page 88 describes all remote cont
255. s Auto e Set the manual power level of the electrical attenuator Remote command INPut EATT on page 184 INPut EATT AUTO on page 185 INPut EATT STATe on page 185 Preamp On Off RF Input Advanced Settings tab General Settings Switches the preamplifier on and off If option R amp S FSV B22 is installed the preamplifier is only active below 7 GHz If option R amp S FSV B24 is installed the preamplifier is active for all frequencies Softkeys and Settings of the GSM Menu This function is not available for input from the R amp S Digital UO Interface option R amp S FSV B17 Remote command INPut GAIN STATe on page 186 Trigger Polarity RF Input Advanced Settings tab General Settings for future use IF Pow Retrig Holdoff RF Input Advanced Settings tab General Settings for future use IF Pow Retrig Hysteresis RF Input Advanced Settings tab General Set tings for future use Auto Track Time RF Input Advanced Settings tab General Settings Sets the sweep time for auto level measurements or swept measurements and the capture time for auto detection There are separate input fields for the unit seconds and slots Remote command CONFigure MS POWer AUTO SWEep TIME on page 125 Trigger Level RF Input Advanced Settings tab General Settings Specifies the trigger level in Volts if the instrument is in external trigger mode or in dBm in power trigger mo
256. s Example CALC LIM2 FAIL Usage Query only Mode GSM CALCulate MARKer Subsystem The marker is used to evaluate the graphical measurement results at certain trace points Therefore the marker is placed at a certain position by specifying the X value or a trace property like maximum or minimum peak search and then query the marker value A GSM mode now also supports up to 4 markers CALCUate ER N KE 92 CAL Gulate lt ne MARKeremsouNOEFF cee e ei nece Ee aereo erede eu eee Cosa rH Ai eredi Saas 93 CAL Culate nz M bkercmz TRACE oscerenniiini einari n akarana aiaia dana Ein 94 GAbGOulatecs c MARKE SmS Ka a aaraa ar a A Ea a ere qned aAa A EaR 94 CAL Culatesne MARKERS Y Portais ausei aenar eode a do dad aaan iaa iaa aa ARSTE 95 CAL Culate nz M Abkercmz Z0O0OM ii iisse siiis da essei sss s se sen sia 95 CALCulate lt n gt MARKer lt m gt STATe State This command activates a marker in the specified window CALCulate Subsystem Suffix lt n gt lt 1 gt irrelevant lt m gt lt 1 4 gt Marker number Parameters for setting and query lt State gt 1 0 ON OFF Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt JI Activate Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a blocking single sweep INITiate IMMediate WAI JI Switch all 4 markers on
257. s considered when the trigger level is analyzed If defined a reference level offset is also considered Suffix lt n gt irrelevant Parameters lt TriggerLevel gt RST 20 dBm Example TRIG LEV IFP 30DBM Manual operation See Trigger Level on page 59 TRIGger lt n gt SEQuence SOURce Source This command selects the trigger source IF power and RF power triggers are not available together with the bandwidth exten sion option R amp S FSV B160 For details on trigger modes refer to the Trg Gate Source softkey in the base unit description Suffix lt n gt irrelevant Parameters lt Source gt IMMediate Free Run EXTern External trigger IFPower Power trigger at the second intermediate frequency RST IMMediate Example TRIG SOUR EXT Selects the external trigger input as source of the trigger signal Manual operation See Trigger Mode on page 56 TRIGger lt n gt SEQuence SYNChronize ADJust AUTO Value This command is identical to CONFigure MS AUTO TRIGger on page 98 and is maintained for compatibility reasons only Suffix n 1 D TRIGger Subsystem Parameters for setting and query lt Value gt OFF ON ONCE RST ON Mode GSM TRIGger lt n gt SEQuence SYNChronize ADJust EXTernal lt TriggerOffset gt If the signal source is RF input this command sets the trigger motde to External and the trigger offset to the defined value Suffix lt n gt lt 1 2 g
258. saa ce iioii reias 169 FETCH BURSEPTEMbplate TRGS SDEVIGBIIQIY 2 rro treo rhet Segen 169 FETCh BURSESPOWer SEOT sS ALEAVERGBGQG rrr tetra aa bois 170 FETODIBURSESPOWerSEOTSsSSALUSCRESIY aetate ret edi eee ovde 171 FETCh BURSESPOWer SLOT s ALL MAXIImUm en ccna eunte kcu rece erronea ENEE n ian 172 FETOChBURGC GbOMer GL OT CURbRent AVtChRage er ertrerererorerorersesene 173 FETCh BURSESPOWerSlLOT lt s gt CURRGNECRESU wai tee rre ete rein 174 FETCh BURStSPOWer SLOT s CURRent MAXimum esses 175 FETCh BURStSPOWer SLOT s DELTatosync essen 176 FETCh BURSt MACCuracy ADRoop AVERage This command reads out the average measurement of the Amplitude Droop taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Average value Default unit dB Example FETC BURS ADR AVER Usage Query only Mode GSM FETCh Subsystem FETCh BURSt MACCuracy ADRoop CURRent This command reads out the currently measured value of the Amplitude Droop taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Currently measured value Default unit dB Example FETC BURS ADR CURR Usage Query only Mode GSM FETCh BURSt MACCuracy ADRoop MAXimum This command reads out the maximum measurement of the Amplitude Droop taken over the selected number of bursts see Sta
259. sar t epe td tdeo ete pa Cetero dh aaa deed 194 READ BURSI MACCuracy BPOWer SDEViation eese essen enne eene nnne nennen 194 READ BURSt MACCuracy FERRor AVERage m READ BURSIEMACGCUracyE FERROr CURRORIE ertet Eise uet S debebunt 198 READ BURSt MACCuracy FERROrMAXIMUM Z s 2 cci ton deren ctu eee Eee EES 199 READ BURSI MAGCGuracy FERROr SDEViation ctt ten tret tate e tpe i t t ttn 199 READ BURG MACCuracvlEREOuencv AVERaJE A 200 READ BURSt MACCuracy FREQuEnCy CURRGM sissano iaia 200 READ BURSI MACCuracy FREQuency MAXimum esses iniiis 200 READ BURSI MACCuracy FREQuency SDEViation eese memes 201 READ BURG MACCurscvllOlMbalance AVEHRage ener eene trennen 201 READ BURSt MACCuracy IQIMbalance CURRernit enano un 201 READ BURSI MACCuracy IQIMbalance MAXimum essent nennen ennt 202 READ BURSI MACCuracy IQIMbalance SDEViation jus READ BURSt MAGCuracy IQOFfset AVERage ortnm n eret penes READ BURSt MACCuracy IQOFfset CURRENT srties nasend ania enne nnne entente nnne nne nnne 203 READ BURG MAC CuracvlOOFfset MAXIMUM A AA 203 READ BURSt MAG Curacy IQOFISeESDEViation oto scere s d d sce ae 204 READ BURSI MACCuracy MERRor PEAK AVERage 2 essere nennen 204 READ BURG MACCuracvlMERbRor PDEAK CUbRb ent nennen trennen 204 READ BURG MACCuracvlMERbRor PDEAK GDEViaton nnne 205
260. scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Note READ starts a new single sweep annd then reads the results Please use FETCh to query several results READ BURSt SPOWer SLOT1 CURRent CRESt Usage Query only Mode GSM READ BURSt SPOWer SLOT lt Slot gt CURRent MAXimum This command starts the measurement out the maximum power for the selected slot for the current burst This command is only available when the Power vs Time mea surement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix Slot lt 0 7 gt Slot number to measure power on The selected slot s must be within the slot scope i e First slot to measure s First slot to measure Number of Slots to measure 1 Return values lt Result gt numeric value Maximum Default unit dBm READ Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet
261. searches for a frame start after every IQ data capture The required search effort depends on the trigger mode Note the following trigger mode settings e In Free Run mode i e without any trigger the GSM application totally relies on the frame slot configuration to find the frame start The start of a measurement is not triggered Once a measurement is completed another is started immediately For an unambiguous frame configuration the GSM application searches for the frame start inside the captured IQ data This is the slowest frame search mode e With a Power Trigger the measurement is triggered by the power ramp of the received GSM bursts Nevertheless the GSM application still relies on the frame slot configuration to find the frame start inside the captured I Q data Once a mea surement is completed the GSM application waits for the next trigger event to start the next measurement The search for the frame start is as in Free Run mode except that I Q capture is triggered e With the External Trigger the measurement is triggered by an external signal connected to the EXT TRIGGER input of the R amp S FSV The GSM application assumes that the frame start directly follows the trigger event An external trigger requires a correct setting of the trigger offset The search is faster compared to the free run and power trigger modes Use an external trigger to maximize the mea Further Information surement speed or if the fr
262. ses different bits and defini tions In this section only the new and altered status registers bits for the GSM option R amp S FSV K10 are described Detailed information on the status registers of the base system is given in the section Status Reporting System in chapter 5 of the Operating Manual on CD The status reporting system stores all information on the current operating state of the instrument e g that the instrument is currently performing a calibration and information on errors which have occurred This information is stored in the status registers and in the error queue The status registers and the error queue can be queried via IEC bus The information is structured hierarchically The register status byte STB defined in IEEE 488 2 and its associated mask register service request enable SRE form the uppermost level The STB receives its information from the standard event status reg ister ESR which is also defined in IEEE 488 2 with the associated mask register standard event status enable ESE The STB registers STATus OPERation and STA Tus QUEStionable which are defined by SCPI and contain detailed information on the instrument The Individual STatus flag IST and the parallel poll enable register PPE allocated to it are also part of the status reporting system The IST flag like the SRQ combines the entire instrument status in a single bit The PPE fulfils the same function for the IST flag as the SRE for
263. ssion taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Average Default unit dB Example READ BURS OSUP AVER Usage Query only Mode GSM READ BURSt MACCuracy 0SUPpress CURRent This command starts the measurement and reads out the currently measured value of the IQ Offset Suppression taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem READ Subsystem Return values lt Result gt numeric value Currently measured value Default unit dB Example READ BURS OSUP CURR Usage Query only Mode GSM READ BURSt MACCuracy 0SUPpress MAXimum This command starts the measurement and reads out the maximum measurement of the IQ Offset Suppression taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Maximum Default unit dB Example READ
264. st Power taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Currently measured value Default unit dB Example READ BURS BPOW CURR Usage Query only Mode GSM READ BURSt MACCuracy BPOWer MAXimum This command starts the measurement and reads out the maximum measurement of the Burst Power taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Maximum Default unit dB Example READ BURS BPOW MAX Usage Query only Mode GSM READ BURSt MACCuracy BPOWer SDEViation This command starts the measurement and reads out the standard deviation measure ment of the Burst Power taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Standard deviation Default unit dB Example READ BURS BPOW SDEV
265. stimator EE 71 Settings Advanced Capture Settings 57 G neral SettiligS 4er aenar e Ts ae aes 52 SFH cereo rere 091 39 let ERT 55 Signal Source Remote control ice ettet rnnt 186 ici T rM 32 el let ijo rae ee c 62 First Slot to measure 109 61 62 M ssstand eegene 61 Number of Slots to measure 99 61 62 Slot to Measure ooo eee ceeceeceeceeeessteeeeeeeeeesenaeeeee 39 62 Slot to Measure remote Control 100 softkey Cont Meas remote control ssssssssss 181 Continue Single Sweep remote control ae 1041 Continuous Sweep remote control gun 181 xul PTT i190 IG S SUDDOFL E E E A TE 86 Single Meas remote control s s 181 Single Sweep remote control 181 Softkey All Marker Off erret Center remote control Constell Constellation WEE Cont Meas remote control sssssssss Continuous Sweep remote control e Rule Oe TE aseo SE Display List Graph EL Atten remote control EL Atten Mode Auto Man remote control 184 185 EX IQ BOX EE EN Export remote Control sse 188 Falling M E 79 Frequency Offset remote control 5291 Ellos estet LL se ie 78 General Settings 52 VND OME Sires veh HR 80 Import remote control sse 187 Magnitude Error A 77 129 Marken
266. surement and reads out the currently measured peak value of the Phase Error taken over the selected number of bursts When the measure ment is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result numeric value Currently measured value Default unit NONE Example READ BURS PERR PEAK CURR Usage Query only Mode GSM READ BURSt MACCuracy PERRor PEAK MAXimum This command starts the measurement and reads out the maximum of the peak mea surement of the Phase Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem Return values lt Result gt numeric value Maximum Default unit NONE Example READ BURS PERR PEAK MAX READ Subsystem Usage Query only Mode GSM READ BURSt MACCuracy PERRor PEAK SDEViation This command starts the measurement and reads out the standard deviation of the peak measurement of the Phase Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the F
267. t Advanced tab Meas Settings The Limit Time Alignment controls how the limit lines are aligned in a Power vs Time measurement graph see chapter 3 1 8 Power vs Time on page 20 Limit lines are defined for each slot The limit lines are time aligned in each slot based on the position of the TSC the center of the TSC is the reference point This parameter affects how the center of the TSC is determined for each slot e Slot to measure default For each slot the center of the TSC is derived from the measured center of the TSC of the Slot to measure and the timeslot lengths specified in the standard see Timeslot length in 3GPP TS 45 010 and Slot to Measure on page 61 e Per Slot For each slot the center of the TSC is measured This provides reasona ble time alignment if the slot lengths are not according to standard Note that in this case the Power vs Time limit check may show pass even if the timeslot lengths are not correct according to the standard Note The Limit Time Alignment also decides whether the Delta to sync values of the Power vs Time list result are measured for Limit Time Alignment Per Slot or if they are constant as defined by the 3PP standard for Limit Time Alignment Slot to measure The R amp S FSV K10 option offers a strictly standard conformant multiple slot PvT limit line check This is based on time alignment to a single specified slot the Slot to Mea sure and allows
268. t Parameters for setting and query lt TriggerOffset gt numeric value RST Os Default unit S Example TRIG SYNC ADJ EXT 1 MS Mode GSM TRIGger lt n gt SEQuence SYNChronize ADJust IFPower lt TriggerOffset gt If the signal source is RF input this command sets the trigger motde to Power and the trigger offset to the defined value Suffix lt n gt lt 1 D Parameters for setting and query lt TriggerOffset gt numeric value RST Os Default unit S Example TRIG SYNC ADJ IFP 1 MS Mode GSM TRIGger lt n gt SEQuence SYNChronize ADJust IMMediate This command sets the trigger mode to FREE RUN Suffix lt n gt lt 1 2 gt Example TRIG SYNC ADJ IMM Usage Setting only Mode GSM 4 16 Commands for Compatibility TRIGger lt n gt SEQuence SYNChronize ADJust RFPower lt TriggerOffset gt If the signal source is RF input this command sets the trigger motde to Power and the trigger offset to the defined value Suffix lt n gt lt 1 27 Parameters for setting and query lt TriggerOffset gt numeric value RST Os Default unit S Example TRIG SYNC ADJ RFP 1 MS Mode GSM Commands for Compatibility The following commands are retained for compatibility with R amp S FS K5 only They do not cause errors in a remote program however the settings commands have no effect and the query commands do not provide useful results GALOulate LIMibESp TEEN 241 CAL CulateLlMitcns CONTin
269. t on page 39 Remote command CONFigure MS CHANnel MSLots OFFSet on page 100 CONFigure CONFigure CONFigure CONFigure CONFigure CONFigure CONFigure Softkeys and Settings of the GSM Menu Equal Timeslot Length Demod tab Meas Settings This parameter is only taken into account if Limit Time Alignment is set to Slot to measure see Limit Time Alignment on page 68 This parameter is used to adjust the time for the Power vs Time masks of all slots for which the Slot to measure is used as the time reference for the entire frame If activated all slots of a frame have the same length 8 x 156 26 normal symbol peri ods If deactivated slots number 0 and 4 of a frame have a longer duration all others have a shorter duration compared to the Equal Timeslot Length 157 156 156 156 157 156 156 156 normal symbol periods See GPP TS 51 021 and 3GPP TS 45 010 chapter 6 7 Timeslot length for further details Remote command CONFigure MS CHANnel FRAMe EQUal on page 99 Frame Select Slot to Configure Demod tab Meas Settings This field shows a graphical representation of the configuration of each slot Selecting a slot leads to its Burst dialog box see Burst on page 62 Inside the slot the following information is given e The burst type e g Normal NB for a normal burst e The modulation e g GMSK Below the slot symbol the corresponding slot numbers 0 to 7 are displayed
270. t MACCuracy EVM RMS MAXiMUM ee ee eee cece cee eeeeeeeeceeeseeeseaeeseaeetaeesseeetseeeeaeeeaeees 154 FETCh BURSI MACCuracy EVM RMS SDEViation eese 154 FETCh SPECtrum MODUulation REFerernce ione rre nee rhe ree ee cepe ERE Ran 178 elen eeneg Ee Tu RTE D KEE 177 Le eu E Re ln Be 179 FETCh SPECtrum SWITching ALL ssiiiiie ener oen t t ett n ertt rn rennen tr eee eere 178 FETCh WSPectrum MObDulation REFerengoe creep ea etre e a Rt xn nAi 180 e Le eu TR le RTE eil E E E KE 180 INITiate REFMeas IMMediate INITiatesn CONTIRDUOUS ertet tnter n e prn E er e teh n e ker e ene ee EXER INITiatesns BITTEN E dnd ziss METTI Lilo INPut ATTent ation AUTO t rer it nnn e nn DR n ha VE FED KORR EET ERE XR eae leier Le WEE E lei Denel EE INPut EATT m INPUt EAT FAUTO rarena ait ro itte a o v pre io La Fe se DR quero doce dba dis INPUEA MEI3EINI T INPULGAIN STA T e INPUTS Re iver detent rog nite Peer Hte dri Ere rone UM cei b dod Dated pesua Bis PEL MEAE EROS Pd M D ex oer des INS Wei TO e jud INS Tirumentl E e EE MMEMory LOAD IQ STATe e MMEMory STOR amp IQ S TAT6 retro ther xr ett e eoe e tp tn n de E PER ELE ee en ln READ IAW KesHz uamee EE READ B RSEPTEMMplate rRGS AVERGS QG cei E een Hd iE EE e Voce
271. t see CONFigure SPECtrum MODulation IMMediate on page 134 are corrected by the instrument s inherent noise which increases the dynamic range When High Dynamic is activated a measurement of the instrument s inherent noise is automatically carried out The instrument s inherent noise is then removed from the measured results The inherent noise of the instrument depends on the selected center frequency and level setting Therefore the measurement of the inherent noise is repea ted whenever one of these parameters is changed In addition for instruments with early detector boards with an even hardware code see column HWC in the hardware information dialog phase noise is reduced at 600 kHz offset frequencies For best performance for modulation accuracy measurements on instruments with early detector boards deactivate the High Dynamic mode Parameters State ON OFF RST OFF Example JI Select Modulation Spectrum measurement JI measurement on captured UO data CONFigure SPECtrum MODulation IMMediate JI Activate high dynamic mode CONF SPEC HDYN ON Mode GSM Manual operation See High Dynamic on page 70 CONFigure Subsystem CONFigure SPECtrum LIMit LEFT lt State gt This command controls the left limit check of the spectrum trace spectrum graph mea surement and which offset frequencies in the table spectrum list measurement are checked against the limit This command affects the Modulation Sp
272. t RegisterContent gt numeric value Content of the specific aspect of the status register RST 65535 Mode GSM TRACe Subsystem The TRACe subsystem controls access to the instruments internal trace memory TRACe DATA lt TraceNumber gt This command reads trace data out of the instrument The returned values are scaled in the current level unit In ASCII format a list of values separated by commas is returned Comma Separated Values CSV Query parameters lt TraceNumber gt TRACe1 TRACe2 TRACe3 TRACe4 Trace name to be read out TRACe1 Average trace Transient Spectrum Maximum trace Trigger to Sync histogram TRACe2 Maximum trace Trigger to Sync PDF of average trace TRACe3 Minimum trace not available for Mod Spectrum Trans Spectrum or Trigger to Sync TRACe4 Current trace not available for Mod Spectrum Trans Spectrum or Trigger to Sync Example TRAC1 DATA TRACel Usage Query only Mode GSM TRACe Subsystem TRACe DATA X lt TraceNumber gt This command reads the measured x values time in seconds for Power vs Time PvT or Trigger to Sync measurements Query parameters lt TraceNumber gt TRACe1 TRACe2 TRACe3 TRACe4 Trace number TRACe1 PVT Average trace Trigger to Sync histogram x values center of bins TRACe2 PVT Maximum trace Trigger to Sync x values for PDF of average trace TRACe3 PVT only Minimum trace TRACe4 PVT only Current trace
273. t tab on page 75 Demod tab Meas Settings To modify parameter values related to the demodulation and frame slot configuration the following parameter groups are available in the Demod tab e Single slot measurements e Multi slot measurements e Frame configuration Measurement Settings mm Advanced Multi Carrier Auto Set Single Slot Measurements Used for Pa CONFigure MS CHANnel MSLots MEASure 0 zc Slot to measure 0 Phase Magnitude Error Modulation Spectrum E Reference Power Timing Reference Sync Multi Slot Measurements Used for CONFigure MS CHANnel MSLots NOFSlots 1 gt No of Slots to measure 1 Power vs Time CONFigure MS CHANnel MSLots OFFSet 0 gt First Slot to measure 0 p t Frame Configuration Mode Framed CONFigure MS CHANnel FRAMe EQUal ON M Equal Timeslot Length Le Frame Select Slot to configure Softkeys and Settings of the GSM Menu Slot to Measure Demod tab Meas Settings This parameter specifies the slot to be measured in single slot measurements relative to the GSM frame boundary The following rule applies 0 lt Slot to Measure s 7 The Slot to Measure is used as the only slot to measure in the following measure ments see First Slot to measure on page 61 Modulation Accuracy EVM vs Time Phase Error vs Time Magnitude Error vs Time Modulation Spectrum Constellation Furthermore the Slot to Measure is used to measure the refere
274. ta in the GSM network This means that the digi tal information is transmitted discretely in the time domain mainly used to distinguish between different users as well as in the frequency domain mainly used to distinguish between BTS The time domain is divided into slots with a duration of 576 923 ys exact 3 5200 s 8 slots with number 0 to 7 are combined into 1 frame with a duration of approx 4 6154 ms exactly 3 650 s Operating Manual 1176 7526 02 04 32 Further Information Multiframes and superframes Frames can be grouped into a multiframe consisting of either 26 for support traffic and associated control channels or 51 for all other purposes frames Multiframes can be grouped to superframes consisting of either 51 26 frame or 26 51 frame multiframes Multiframes and superframes are not of relevance for the physical measurements on the GSM system and thus not discussed in detail here A mobile phone therefore does not communicate continuously with the base station instead it communicates discretely in individual slots assigned by the base station dur ing connection and call establishment In the simplest case 8 mobiles share the 8 slots of a frame TDMA The frequency range assigned to GSM is divided into frequency bands and each band in turn is subdivided into channels Each frequency channel is identified by its center frequency and a number known as the ARFCN Absolute Radio Frequency Channel Num
275. tation This command is only available when the wide modulation spectrum measurement is selected see CONFigure WSPectrum MODulation IMMediate on page 139 The result is a list of partial result strings separated by commas Return values Placeholder curently irrelevant lt Freq1 gt Absolute offset frequency in Hz READ Subsystem lt Freq2 gt Absolute offset frequency in Hz lt Level gt Measured level at the offset frequency in dB or dBm lt Limit gt Limit at the offset frequency in dB or dBm lt Abs Rel gt Indicates whether relative dB or absolute dBm limit and level values are returned lt Status gt Result of the limit check in character data form PASSED no limit exceeded FAILED limit exceeded Example READ WSP MOD 0 998200000 998200000 84 61 56 85 REL PASSED 0 998400000 998400000 85 20 56 85 REL PASSED Usage Query only Mode GSM READ WSPectrum MODulation GATing This command reads out the gating settings for gated Modulation Spectrum or Wide Modulation Spectrum measurements see chapter 3 1 9 Modulation Spectrum on page 23 and chapter 3 1 11 Wide Modulation Spectrum on page 27 The returned values can be used to set the gating interval for list measurements i e a series of measurements in zero span mode at several offset frequencies This is done in the Spectrum mode using the SENSe LIST subsystem see SENSe LIST POWer SET Prior t
276. ted They set the fre quency of the fixed frequency signal to 1 kHz SENSe FREQuency CW 1E3 SENSe FREQuency FIXed 1E3 A vertical stroke in parameter indications marks alternative possibilities in the sense of or The effect of the command differs depending on which parameter is used Example Selection of the parameters for the command SENSe 1 4 AVERage 1 4 TYPE VIDeo LINear l Key words in square brackets can be omitted when composing the header The full command length must be accepted by the instrument for reasons of compatibility with the SCPI standards Parameters in square brackets can be incorporated optionally in the command or omitted as well 0 Parameters in braces can be incorporated optionally in the command either not at all once or Several times Description of Parameters Due to the standardization the parameter section of SCPI commands consists always of the same syntactical elements SCPI has therefore specified a series of definitions which are used in the tables of commands In the tables these established definitions are indicated in angled brackets lt gt and is briefly explained in the following For details see the chapter SCPI Command Structure in the base unit description Boolean This keyword refers to parameters which can adopt two states on and off The off state may either be indicated by the keyword OFF or by the numeric
277. ter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set the slot scope Use all 8 slots for the PVT measurement Number of slots to measure 8 CONFigure MS CHANnel MSLots NOFSlots 8 First Slot to measure 0 CONFigure MS CHANnel MSLots OFFSet 0 Activate PvT Power vs Time measurement CONFigure BURSt PTEMplate IMMediate Run a single sweep Note FETCh only reads the results without starting a new single sweep Run a blocking single sweep INITiate IMMediate WAI FETCh BURSt SPOWer SLOTO CURRent MAXimum Usage Query only Mode GSM FETCh BURSt SPOWer SLOT lt s gt DELTatosync This command reads out the Delta to Sync value for the selected slot see chap ter 3 1 8 Power vs Time on page 20 This command is only available when the Power vs Time measurement is selected see CONFigure BURSt PTEMplate IMMediate on page 130 Suffix s lt 0 7 gt Slot number to measure power on The selected slot must be within the slot scope i e First slot to measure S slot S First slot to measure Num ber of Slots to measure 1 Return values lt Result gt numeric value Default unit dBm FETCh Subsystem Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Set t
278. the GSM option K10 INSTrument SELect GSM JI Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt JI Activate EVM vs Time measurement CONFigure BURSt ETIMe IMMediate Set slot 0 Higher Symbol Rate burst 16QAM Wide Pulse amp TSC 0 CONFigure M CONFigure CONFigure LOTO STATe ON LOTO TYPE HB HANnel SLOTO MTYPe QAM16 CONFigure HANnel SLOTO FILTer WIDE CONFigure MS CHANnel SLOTO TSC O0 Use segeunce estimator for the symbol decision CONFigure MS DEMod DECision SEQuence Run a blocking single sweep INITiate IMMediate WAI Read the averaged EVM RMS value FETCh BURSt MACCuracy EVM RMS AVERage Use the linear method for the symbol decision CONFigure MS DEMod DECision LINear Run a blocking single sweep INITiate IMMediate WAI Read the averaged EVM RMS value FETCh BURSt MACCuracy EVM RMS AVERage HANnel HANnel z QO 0 0 ER S S S S S AnNnNnN YN Mode GSM Manual operation See Symbol Decision on page 71 CONFigure MS DEMod STDBits lt Value gt The R amp S FSV K10 demodulator requires the bits of the burst Tail Data TSC Data Tail to provide an ideal version of the measured signal The Data bits can be random and are typically not known inside the demodulator of the R amp S FSV K10 Tail and TSC bits are specified in the Burst dialog box see Burst o
279. the user to check for correct BTS timeslot alignment in the DUT according to the GSM standard In addition a less stringent test which performs PvT limit line alignment on a per slot basis Per Slot is also available Note When measuring Access bursts the parameter Limit Time Alignment should be set to Per Slot since the position of an Access burst within a slot depends on the set timing advance of the DUT Remote command CONFigure BURSt PTEMplate TALign on page 131 Enable Left Limit Advanced tab Meas Settings This parameter controls the left limit check of the spectrum trace spectrum graph mea surement and which offset frequencies in the table spectrum list measurement are checked against the limit This parameter effects the Modulation Spectrum and Transi ent Spectrum measurements Note For measurements on multi carrier signals using either the check on the left or right side allows you to measure the spectrum of the left or right most channel while ignoring the side where adjacent channels are located Remote command CONFigure SPECtrum LIMit LEFT on page 133 Operating Manual 1176 7526 02 04 68 Softkeys and Settings of the GSM Menu Enable Right Limit Advanced tab Meas Settings This parameter controls the right limit check of the spectrum trace spectrum graph measurement and which offset frequencies in the table spectrum list measurement are checked against the limit This paramete
280. timing advance of the DUT Parameters for setting and query lt Mode gt STMeasure PSLot STMeasure For each slot the mid of TSC is derived from the measured mid of TSC of the Slot to measure and the timeslot lengths speci fied in the standard see Timeslot length in 3GPP TS 45 010 PSLot For each slot the mid of TSC is measured This provides reason able time alignment if the slot lengths are not according to standard However the Power vs Time limit check is also passed RST STMeasure 4 4 3 CONFigure Subsystem Example CONF BURS PTEM TAL PSL Mode GSM Manual operation See Limit Time Alignment on page 68 CONFigure SPECtrum subsystem Commands of the Configure SPECtrum subsystem CONFigure SPEC IURGH DY dE E 132 CONFiguire SPECtrummibIMIEBEFT uice capui eo cone nnd a Ege eek Feb kunt che cite ioi RS nth ne 133 CONFIE SPEC Trani Blue e ut n o aide teint ee e e radeon 133 CONFloure SGbtChrum MODulsattont MMedatel eene 134 CONFigure SPECtrum MODulation LIMIT eene nnne nennen 134 CONFloure SGbtCHrum MODulation LIST BANDwidt RE Solutton 134 GONFigure SPEC trum SEL ecl 2 1 Ir neoscteted tnecndreisiaeaeuviaieeeeinsdedveens NEEN 135 CONFigure SPECtrum SWITching IMMediate enn 136 CONFloure SbEChum SwWlfchingl MIT 137 CONFigure sSPEC tram SWITCHING TYPE E 137 CONFigure SPECtrum HDYNamic lt State gt If activated the results of the I Q based Modulation Spectrum measuremen
281. tistic Count on page 56 Return values lt Result gt numeric value Maximum Default unit dB Example FETC BURS ADR MAX Usage Query only Mode GSM FETCh BURSt MACCuracy ADRoop SDEViation This command reads out the standard deviation measurement of the Amplitude Droop taken over the selected number of bursts see Statistic Count on page 56 Return values lt Result gt numeric value Standard deviation Default unit dB Example FETC BURS ADR SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy ALL This command returns all the results of the Modulation Accuracy table The results are output as a list of comma separated strings FETCh Subsystem When the measurement is started the analyzer is automatically set to single sweep Further results of the measurement can be queried without restart of the measurement via the FETCh BURSt subsystem Return values Result Error Vector Magnitude RMS gt Error Vector Magnitude Peak gt lt Magnitude Error RMS gt lt Magnitude Error Peak gt lt Phase Error RMS gt lt Phase Error Peak gt lt Burst Power gt lt Frequency Error gt IQ Offset IB Imbalance gt Each item consists of an Average Current Maximum and Standard Deviation value Example FETC BURS ALL Usage Query only Mode GSM FETCh BURSt MACCuracy BPOWer AVERage This command reads out the average measurement of the Burst Power taken over the
282. to a sequence of symbols 8 is defined in the standard as yt s e iT 27 Note that the standard specifies The time reference t 0 is the start of the active part of the burst as shown in fig ure 3 30 This is also the start of the symbol period of symbol number 0 containing the first tail bit as defined in 3GPP TS 45 002 The transmitted pulse for the first tail symbol is illustrated in the lower part of fig ure 3 30 where it can be seen that the decision instant corresponding to the center of the transmit pulse occurs in the center of the first symbol period i e at t 0 5T Further Information EDGE Transmit Pulse 2 1 5 E ao N E 1 S c 3 05 a 2 1 D 1 2 3 4 5 Time Symbol Periods First Transmitted Symbol Amplitude 1 5 7 o H Decision Instant E 1 a 3 05 KS Symbol Period 2 1 0 1 2 3 4 5 Time Symbol Periods Fig 3 30 EDGE transmit pulse top and the first transmitted symbol bottom The description above also applies to the 16QAM and 32QAM modulations defined for EDGE Evolution using the normal symbol rate 3 2 9 3 QPSK 16QAM and 32QAM Modulation Higher Symbol Rate For the newer reduced symbol period higher symbol rate the standard document 3GPP TS 45 004 defines two transmit pulse shapes the so called narrow and wide pulses The narrow pulse is the same linearised GMSK pulse as described in chapter 3 2 9 2 8PSK 16QAM and 32QAM Modulation
283. trigger system Example ABOR INIT IMM Mode all CALCulate Subsystem The CALCulate subsystem contains commands for converting instrument data trans forming and carrying out corrections These functions are carried out subsequent to data acquisition i e following the SENSe Subsystem e CALCulate LIMit SUBSYSTEM AAA 91 e CALCulate MARKer Subsystem sse nennen nnne nn 92 CALCulate LIMit Subsystem The CALCulate LIMit Subsystem contains commands for the limit checks CALCulate lt n gt LIMit lt i gt FAIL This command queries the result of the limit check of the limit line indicated in the selected measurement window Note that a complete sweep must have been per formed to obtain a valid result A synchronization with OPC OPC Or WAI should therefore be provided 4 3 2 CALCulate Subsystem For the power vs time graph measurement CALCulate LIMit1 FAIL returns the result for the Max trace and CALCulate LIMit2 FAIL returns the result for the Min trace For the modulation spectrum measurements CALCulate LIMit1 FAIL returns the result for the Average trace CALCulate LIMit2 FAIL is not available For the transient spectrum measurements CALCulate LIMit1 FAIL returns the result for the Max trace CALCulate LIMit2 FAIL is not available Suffix lt n gt lt 1 gt irrelevant lt i gt The number of the limit line to access Return values lt Result gt 110 ON OFF 1 Fail 0 Pas
284. ts the burst type and TSC of the Slot to measure Refrain from using this command in new K10 remote scripts and use pure K10 remote commands instead Use CONFigure MS CHANnel SLOT s TYPE and CONFigure MS CHANnel SlOTesc TSC Parameters for setting and query Value TSC number 0 1 2 3 4 5 6 7 TSC number Normal Burst ABO AB1 AB2 TS number Access Burst USER User defined TSC RST 0 Example CONFigure MS CHANnel TSC 0 Mode GSM CONFigure MS CHANnel TSC USER Value This command sets the bits of the user definable TSC of the Slot to measure The number of bits must be in accordance with the set burst type and modulation CONFigure MS CHANnel TSC USER needs to be set first Refrain from using this command in new K10 remote scripts and use pure K10 remote commands instead Use CONFigure MS CHANnel SLOTO TSC USER and CONFigure MS CHANnel SLOT0O TSC USER 10101111101010101100111100 Parameters for setting and query Value string Example CONFigure MS CHANnel TSC USER 10101111101010101100111100 Mode GSM CONFigure MS DEMod DECision Value This command determines how the symbols are detected in the demodulator The set ting of this parameter does not effect the demodulation of Normal Bursts with GMSK modulation For Normal Bursts with 8PSK 16QAM 32QAM or AQPSK modulation or Higher Symbol Rate Bursts with QPSK 16QAM or 32QAM modulation use this param eter to get a trade off b
285. ttings Statistic Count on page 56 Limit Check According to standard e List Limit check of absolute and relative scalar values e The limits depend on the following parameters Frequency band Device Type only BTS type not MS type Burst Type Modulation Filter limits are different for Higher Symbol Rate and Wide Pulse Filter case 2 and others case 1 see 3GPP TS 45 005 chapter 4 2 1 3 The measured reference power 30 kHz bandwidth Number of carriers for multi carrier BTS The limit is relaxed by 10 log10 N dB for offset frequencies 21 8 MHz see 3GPP TS 45 005 chapter 4 2 1 2 Remote commands The Wide Modulation Spectrum measurement is started using the CONFigure WSPectrum MODulation IMMediate command The gating parameters of the Wide Modulation Spectrum measurement can be quer EAD WSPectrum MODulation GATing ied using RI Operating Manual 1176 7526 02 04 30 Further Information The results of the Wide Modulation Spectrum measurement can be queried using READ WSPectrum MODulation ALL on page 227 3 2 Further Information This chapter provides further information on the GSM standard the corresponding measurement settings and results for the R amp S FSV K10 application stet abbreviations icenian a aa a e a AE E 31 e Short description of GSM GMSK EDGE and EDGE Evolution 32 e Short Introduction to VAMOS ties nir IE rated e
286. u where T is the normal symbol period and the modulating index is chosen such that the maximum phase change of 11 2 radians per data interval is achieved Note that the standard specifies The time reference t 0 is the start of the active part of the burst as shown in fig ure 3 29 This is also the start of the bit period of bit number 0 the first tail bit as defined in 3GPP TS 45 002 The phase change due to the first tail symbol is illustrated at the bottom of figure 3 29 where you can see that the decision instant corresponding to the center of the fre quency pulse occurs at the beginning of the first symbol period i e at t 0 Further Information GMSK Frequency Pulse o o Lu Fb Frequency e ho DI 25 2 45 1 0 5 0 0 5 1 1 5 2 2 5 Time Symbol Periods First Transmitted Symbol Phase 0 8 Decision Instant m ww 04 e a 02 Symbol Period 0 25 2 15 1 0 5 0 0 5 1 1 5 2 2 5 Time Symbol Periods Fig 3 29 GMSK Frequency Pulse top and phase of the first tail symbol bottom 3 2 9 2 8PSK 16QAM and 32QAM Modulation Normal Symbol Rate The EDGE transmit pulse is defined in the standard document 3GPP TS 45 004 as a linearised GMSK pulse as illustrated at the top of figure 3 30 Note that according to the definition in the standard the center of the pulse occurs at 2 5 T where T is the normal symbol period With the transmit pulse denoted as c t the baseband signal due
287. ulation IMMediate on page 139 The result is a list of partial result strings separated by commas Return values lt Level1 gt measured reference power in dBm lt Level2 gt measured reference power in dBm lt RBW gt resolution bandwidth used to measure the reference power in Hz Example FETCh WSPectrum MODulation REFerence Usage Query only Mode GSM INITiate Subsystem 4 7 INITiate Subsystem The INITiate subsystem is used to start and stop a measurement Commands of the INITiate subsystem INlTlate nzfiMMedatel cece eae aea ea ea eae eeeeetececeeeeeeeeeeeeeeeeeeeeeeesesasaeaaaaaaaeaaaaes 181 EINEN TEE 181 INITiate REFMeas 1IMMediale reitera tere ueni cec icc nece 182 INITiate lt n gt IMMediate The command initiates a new measurement sequence With sweep count gt 0 or average count gt 0 this means a restart of the indicated num ber of measurements With trace functions MAXHold MINHold and AVERage the pre vious results are reset on restarting the measurement In single sweep mode you can synchronize to the end of the measurement with OPC OPC or WAI In continuous sweep mode synchronization to the end of the mea surement is not possible Thus it is not recommended that you use continuous sweep mode in remote control as results like trace data or markers are only valid after a sin gle sweep end synchronization Suffix n irrelevant Example INIT CONT OFF Switches t
288. ult unit NONE Example CONF MCAR ACTC Mode GSM Manual operation See No of active Carriers on page 74 CONFigure MS MCARrier BTSClass lt Value gt This command defines the base station class The specified BTS Class effects the cal culation of the limits according to the 3GPP standard for the modulation spectrum mea surement see 3GPP2 TS 45 005 chapter 4 2 1 Spectrum due to modulation and wide band noise and chapter 4 3 2 Base Transceiver Station search for Multicarrier BTS Parameters for setting and query lt Value gt 1 2 RST 1 Example CONF MCAR BTSClass Mode GSM Manual operation See BTS Class on page 74 CONFigure Subsystem CONFigure MS MCARrier FILTer Value This command controls the filter used to reduce the measurement bandwidth for multi carrier Power vs Time measurements For multi carrier BTS the PvT Filter parameter in the Advanced tab is ignored Parameters for setting and query Value MC400 MC300 PvT filter type MC400 Recommended for measurements with multi channels of equal power MC300 Recommended for measurement scenarios where a total of six channels is active and the channel to be measured has a reduced power e g 30 dB compared to its adjacent channels The PvT filter is optimized to get smooth edges after filtering burst signals and to suppress adjacent active channels RST MC400 Example CONF MCAR FILT MC400 Mode GSM Manual operation
289. ultiple mea surement selection or disable the multiple measurement mode The Multicarrier BTS option see Multicarrier BTS on page 74 activates an addi tional multicarrier filter into the demodulation path For normal bursts with GMSK mod ulation the constellation diagram then becomes similar to a 12PSK constellation The following default settings are used for a Constellation display Operating Manual 1176 7526 02 04 18 R amp S FSV K10 Instrument Functions GSM EES Setting Default Measurement Scope The slot selected as Slot to measure in Measurement Settings see Slot to Measure on page 61 Averaging Configuration Number of bursts as selected in Statistic Count in General Settings see Statistic Count on page 56 Limit Check None 3 1 7 Trigger to Sync This measurement measures the time between an external trigger event and the start of the first symbol of the training sequence The start of the first symbol corresponds to the time 0 of the symbol period see chapter 3 2 9 Definition of the Symbol Period on page 44 A Trigger to Sync Graph 350 18 us 20 ns div 850 34 us B Trigger to Sync List Fig 3 9 Trigger to Sync To start a Trigger to Sync measurement select Demod gt More gt Trigger to Sync see Trigger to Sync on page 78 Then start a measurement RUN SINGLE RUN CONT key Trigger to Sync measurements only provide one value per
290. umeric value Average value Default unit NONE Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS RMS AVER Usage Query only Mode GSM FETCh BURSt MACCuracy EVM RMS CURRent This command reads out the current RMS value of the Error Vector Magnitude taken over the selected number of bursts Return values lt Result gt numeric value Currently measured value Default unit NONE Example Preset the instrument RST Enter the GSM option K10 INSTrument SELect GSM Switch to single sweep mode and stop sweep INITiate CONTinuous OFF ABORt Activate modulation accuracy measurement CONFigure BURSt MACCuracy IMMediate Run a blocking single sweep INITiate IMMediate WAI Query the measurement result FETC BURS RMS CURR Usage Query only FETCh Subsystem Mode GSM FETCh BURSt MACCuracy EVM RMS MAXimum This command reads out the maximum of the RMS measurement of the Error Vector Magnitude taken over the selected number of bursts Return values lt Result gt numeric value Maximum Default unit NONE Example Preset the instrument RST
291. uousOktkg nens sesnsne aisi sensi iniii dana 241 GALCGulatecLIMiESp s Be ege 241 GALOulate LIMitens LOWATOFFS 1 eirca kenne ia TREE DR RA NRR Ica RATER RR RER 241 CAL CulateLlMit znz Uber MAbcGin 241 CAL Culate LIMit lt peiUPPERO RF EE 241 CALCUlate LIMI ne STAT uictorem iod eode nci Coto eue fon Fete e Receta rdum 241 GALOulate MATHEMOPDIE coxa ota rasa E e ER qr a area Ya er SR IR IN CR XM YS T pd Ye 241 CONFigure BURSt PTEMplate TMHReS cccccceeeeeeeeeeeeeeee cece ener rne nn nnn enne nens nnns 241 CONFIE MS ECONIOUIe S TET icti aao uad etre al e geh ha erue ids 241 GONFigure BURSUP TEMplate EE 242 CALCulate LIMit n2 NAME CALCulate LIMit lt n gt CONTinuous OFFS CALCulate LIMit lt n gt LOWer MARGin CALCulate LIMit lt n gt LOWer OFFS CALCulate LIMit lt n gt UPPer MARGin CALCulate LIMit lt n gt UPPer OFFS CALCulate LIMit lt n gt STATe CALCulate MATH MODE CONFigure BURSt PTEMplate TMHRes CONFigure MS ECONfigure STATe These commands are retained for compatibility with R amp S FS K5 only They do not cause errors in a remote program however the settings commands have no effect and the query commands do not provide useful results Example for a Measurement Performed via Remote Control CONFigure BURSt PTEMplate FRZoom This command is retained for compatibility with R amp S FS K5 only The query command does not provide useful results The setting command is not accepted and
292. up the signal characteristics which are used in the signal as for example the frame configuration the measurement type to use etc e ConfigureLMS SUDSVySIGITL ceci me tere e nct e ak d d ea 96 e CONFigure BURSt saubevstem nennen 128 e QONFigureSPECERUm isubSVYSle i oe edet cr tren ect een terea 132 e Other Commands in the CONFigure Gubevstem 138 4 4 1 CONFigure Subsystem Configure MS subsystem Commands of the Configure MS subsystem CONFigure MS ARFCN c2cececsseeeseeeseeeteneeeeeeeneneaeaaaeeeeeenaneneaeasaaaeaeaeenenerenereneneneneas 97 CON Fignine MS AO ME 97 CONFig ure MSEAUTOQOFRAMA iacere tac oet aeta ceperit e a arii nariadi NAE 97 CONFloure Mal ALUTOLEVel ene enne nennen trt re rna rrr rrr nh nennt 98 CONFigurepMS AUTO PRESE artt eoe creta ago ro Fr ttt aae coe tete onte tende 98 GCONFigure MSEBSEarch iere eiae riga ic eiie a eua opc HER nasa oda da 99 EE Lee DEER NR e D 99 CONFigure MS CHANnel FRAMe EQJUal assises nennen nnne rere nra 99 CONFigure MS CHANnel MSLots MEAGSure esses nnne 100 CONFigure MS CHANnel MSLots NOFSIots eeeeees sees ee iiie senes 100 CONFioureM lcCH AkNnel M otsOFtGet etre nns 100 CONFioureM lcH AkNnel GL OT zestSt aTel nennen nnne 101 GONFigure MS CHANbelSEQOT SS FILTer iiie cuu Las to cet seek eec vua Rad ud 101 CONFigure MS CHANnel SLOT lt s gt MTYPe6 ninian ia
293. uracy FREQuency CURRent command which behaves the same way Return values lt Result gt numeric value Currently measured value Default unit Hz Example READ BURS FERR CURR Usage Query only Mode GSM READ Subsystem READ BURSt MACCuracy FERRor MAXimum This command starts the measurement and reads out the maximum measurement of the Frequency Error taken over the selected number of bursts When the measurement is started the analyzer is automatically set to single sweep Further results of the mea surement can then be queried without restart of the measurement via the FETCh BURSt subsystem This command is retained for compatibility with R amp S FS K5 only Use the READ BURSt MACCuracy FREQuency MAXimum command which behaves the same way Note An ongoing measurement can be aborted via the command ABORt Return values lt Result gt numeric value Maximum Default unit Hz Example READ BURS FERR MAX Usage Query only Mode GSM READ BURSt MACCuracy FERRor SDEViation This command starts the measurement and reads out the standard deviation measure ment of the Frequency Error taken over the selected number of bursts When the mea surement is started the analyzer is automatically set to single sweep Further results of the measurement can then be queried without restart of the measurement via the FETCh BURSt subsystem This command is retained for compatibility with R a
294. value 0 the on state is indicated by ON or any numeric value other than zero Parameter queries are always returned the numeric value 0 or 1 numeric value num These keywords mark parameters which may be entered as numeric values or be set using specific keywords character data The following keywords given below are per mitted e MAXimum This keyword sets the parameter to the largest possible value e MINimum This keyword sets the parameter to the smallest possible value e DEFault This keyword is used to reset the parameter to its default value e UP This keyword increments the parameter value e DOWN This keyword decrements the parameter value 4 2 4 3 4 3 1 ABORt Subsystem The numeric values associated to MAXimum MINimum DEFault can be queried by adding the corresponding keywords to the command They must be entered following the quotation mark Example SENSe FREQuency CENTer MAXimum Returns the maximum possible numeric value of the center frequency as result arbitrary block program data This keyword is provided for commands the parameters of which consist of a binary data block ABORt Subsystem The ABORt Subsystem contains the commands for aborting triggered actions An action can be triggered again immediately after being aborted All commands trigger events and therefore they have no RST value ABORt This command aborts a current measurement and resets the
295. wer trigger e Trigger Level for IF power trigger only Press the button to perform a single auto trigger measurement immediately For details on the parameters refer to General Settings on page 52 Remote command CONF AUTO TRIG ON Execute Auto Trigger on Auto Set CONF AUTO TRIG OFF Do not execute Auto Trigger on Auto Set CONF AUTO TRIG ONCE Perform one Auto Trigger measurement immediately see CONFigure MS AUTO TRIGger on page 98 Demod Opens a demodulation submenu This softkey is only available if the Synchronization setting is set to TSC or Burst TSC General Settings see Synchronization on page 55 General Settings Demod For details refer to the General Settings on page 52 softkey in the root menu of the GSM option Meas Settings Demod For details refer to the Meas Settings on page 60 softkey in the root menu of the GSM option Modulation Accuracy Demod Displays the Modulation Accuracy measurement results For details on the measurement refer to chapter 3 1 2 Modulation Accuracy on page 13 Note Modulation Accuracy results can be included in multiple measurements see Multi Meas Tab on page 72 In this case you do not need to start a new measure ment Softkeys and Settings of the GSM Menu If the Modulation Accuracy softkey is not available include Demod in the multiple measurement selection or disable the multiple measurement mode Remote command CONFigure BU
296. xternal or power trigger is chosen the trigger instant corresponds to the frame start Tip Manually adjust the trigger offset to move the burst to be ana lyzed under the mask in the Power vs Time measurement Note For None no demodulation measurements e g Modulation Accuracy are supported Only Power vs Time Modulation Spec trum Transient Spectrum measurements are supported Remote command CONFigure MS SYNC MODE on page 127 Measure only on Sync Primary Settings General Settings If activated default only results from frames slots where the Slot to measure was found are displayed and taken into account in the averaging of the results The behav ior of this option depends on the value of the Synchronization parameter Note This parameter does not affect the Wide Modulation Spectrum measurement see chapter 3 1 11 Wide Modulation Spectrum on page 27 Remote command CONFigure MS SYNC ONLY on page 128 Trigger Mode Primary Settings General Settings The following trigger modes are supported e Free Run e External e Power The default mode is Free Run For further information refer to chapter 3 2 6 Trigger settings on page 38 Remote command TRIGgercn SEQuence SOURce on page 239 Trigger Offset Primary Settings General Settings Specifies the time offset between the trigger event e g for an external or power trig ger and the frame start of the GSM signal
297. y only Mode GSM FETCh BURSt MACCuracy PERRor PEAK MAXimum This command reads out the maximum of the peak measurement of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Maximum Default unit NONE Example FETC BURS PERR PEAK MAX Usage Query only Mode GSM FETCh BURSt MACCuracy PERRor PEAK SDEViation This command reads out the standard deviation of the peak measurement of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Standard deviation Default unit NONE Example FETC BURS PERR PEAK SDEV Usage Query only Mode GSM FETCh BURSt MACCuracy PERRor RMS AVERage This command reads out the average of the RMS measurement of the Phase Error taken over the selected number of bursts FETCh Subsystem Return values lt Result gt numeric value Average value Default unit NONE Example FETC BURS PERR RMS AVER Usage Query only Mode GSM FETCh BURSt MACCuracy PERRor RMS CURRent This command reads out the currently measured RMS value of the Phase Error taken over the selected number of bursts Return values lt Result gt numeric value Currently measured value Default unit NONE Example FETC BURS PERR RMS CURR Usage Query only Mode GSM FETCh BURSt MACCuracy PERRor RMS MAXimum This command reads out
298. ystem The SENSe subsystem is organized in several subsystems The commands of these subsystems directly control device specific settings they do not refer to the signal characteristics of the measurement signal The SENSe subsystem controls the essen tial parameters of the analyzer In accordance with the SCPI standard the keyword SENSe is optional for this reason which means that it is not necessary to include the SENSe node in command sequences The following subsystems are included Commands of the SENSe subsystem SENSe BANDwidth RESolution TYPE ccce tentent 229 E Ee Reie IC EE 230 Ei Ee e RT 230 Ei Ee ere EE EEN GE ET EE 231 GE Ee TE 231 SENSe SWEep COUNt CUpRbent cece eae ee eae aeeeaeaaeeteteteeeeeeeeeeeeeeeeeeeseaeeesasanaea 232 SENSe SWEep TIME seseseseescscsesecscesssesceesscsvecsesevsnsesevansesscavessteavassseasaeetesaeevansasenad 232 SENSe BANDwidth RESolution TYPE lt Type gt This command switches the filter type for the resolution filter for the Modulation Spec trum Transient Spectrum and Wide Modulation Spectrum measurement SENSe Subsystem Parameters for setting and query lt Type gt NORMal P5 NORMal Gaussian filter with a 3 dB bandwidth of either 30 kHz or 100 kHz This value is retained for compatibility with R amp S FS K5 only P5 5 Pole filter with a 3 dB bandwidth of either 30 kHz or 100 kHz This filter is required by the GSM standard specification

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R&S®FSV-K10 GSM - Rohde & Schwarz