Home

FSW-K10x LTE UL User Manual

1. TRIGger SEQuence HOLDoff lt instrument gt Offset This command defines the trigger offset Remote Commands to Configure the Application Parameters lt Offset gt lt numeric value gt RST Os Default unit s Example TRIG HOLD 5MS Sets the trigger offset to 5 ms TRIGger SEQuence LEVel lt instrument gt EXTernal lt Level gt This command defines the level for an external trigger Parameters lt Level gt Range 0 5V to 35V RST 14V Default unit V Example TRIG LEV 2V Defines a trigger level of 2 V TRIGger SEQuence PORT lt instrument gt lt Port gt This command selects the trigger port for measurements with devices that have sev eral trigger ports e g the R amp S FSW Parameters lt Port gt PORT1 PORT2 PORT3 Example TRIG PORT PORT1 Selects trigger port 1 TRIGger SEQuence SLOPe lt Type gt For external and time domain trigger sources you can define whether triggering occurs when the signal rises to the trigger level or falls down to it Parameters lt Type gt POSitive NEGative POSitive Triggers when the signal rises to the trigger level rising edge NEGative Triggers when the signal drops to the trigger level falling edge RST POSitive Example TRIG SLOP NEG Remote Commands to Configure the Application TRIGger SEQuence SOURce Source This command selects the trigger source Note on external triggers If a
2. 157 Analog Baseband B71 sss 61 DiglConf Softkey see also R amp S DiglConf 60 Digital Baseband Interface B17 Input status remote sss 153 Digital UO Input connection information esseesss 59 Digital input Connection information sssini an 59 Duplicating Measurement channel remote 87 E Evaluation methods ROMO A E nina roca lencia EVM VS CANTOR scsi crono deed eege eenegen EVM vs subframe EVM vs symbol External Attenuation F Filters High pass remote eer dd 156 High pass RF input ecc eee eee 58 YIG remote ls Frame Number Offset escocia 42 Full scale level Digital WU rica is envia Digital 1 Q remote Unit digital UO remote A 155 H Hardware settings Displayed E 6 High pass filter Remote RF input l Identity Physical Layer AA 40 Impedance Ee erosiones 163 E RE 64 Iniband RE 13 Input elle 64 Coupling remote a 162 Source Analog Baseband 24 00 Source digital WO isst dagegen iii 59 Input sample rate ISR Digital e E 59 Installation coord 5 M Marker table Evaluation method iia ia 21 Markers Querying position remote senes 121 Table evaluation method 21 Maximizing Windows remote MG ACIER Em Measurement er RE 22 alloc
3. eeeeeseeeeecee teint nnn 117 FETCh SUMMary EVM PSIGnal MAXImttm aene iiis e ei eve va adeo ka ac e uu VER EEN 117 FETGh SUMMary EVMIPSIGRAEMINIFIUIT 221a nrc hte teen no XR anrea ph e 117 FETCh SUMMany EVM IPSIOnallAVERage traen e a eere 117 FETCh SUMMary FERRor MAXImu ltYI acras e iecore ra Oo VL seine 117 FETOChGUMMary FERRoEMIMIETUT iconic nnt itane ltda 117 FE TCh SUMMarv FERbRorl AVERagel nennen nennen nennen nsns nns 117 FETOCh SUMMary GIMBalance MAXIMUM Z auenir tct EENS Ar 118 FE TCh SUMMarv GlM alance MiNimum eren nennen nennen nnns 118 FETCh SUMMary GIMBalance AVERage e sanae eerta nnn na enne kenn anna dn 118 FETCh SUMMany TOOPISSEMASINIUIYUP aac etat ia urea utet ttr ada data 118 FETCh SUMMary lQOFfsetMINImut 22 iiio ade 118 FETCh SUMMary dGOFIsel KEE 118 FETCh SUMMary POWer MAXimum esssssseeeesesene nennen nennt nnnm retrahit nennt 119 FETCh SUMMap POWerMIBIDNE iria rude coe ina ue aee elei e eve neret toe 119 FEICh SUMMary POWer AVERage ansa aes aca 119 FETCh SUMMary QUADerror MAXIIUII i account ana Re Rn Rene ERR Ene RR ARR RUE 119 FETEN SUMMan QUADS TO MINIMUM aane ge eunt menu oerte eee teres 119 FETCh SUMMary QUADerror AVERage croise icai aio 119 FETOh SUMMary SERROEMAXIIUEY speed rote ER ERE Reo ERR ASSEN NEE 119 FETCH SUMMa ry SERRO MiNimum enne nennen ennt 119 FETCh
4. eeeeeesesssss 124 CALOulate n LIMit k SUMMary EVM PCHannel MAXimum RESUlt 124 CALOCulate n LIMit k SUMMary EVM PCHannel AVERage RESUIt 124 CALOCulate n LIMit k SUMMary EVM PSIGnal MAXimum RESUIt eeesesesess 124 CALOulate n LIMit k SUMMary EVM PSIGnal AVERage RESUIt sss 124 CALCulate lt n gt LIMit lt k gt SUMMary EVM SDQP AVERage RES Ult ocococccocicccccccccccccnononnnns 125 CAL Culate nzLlMitcks SUMMarv EVM SDSPTIAVERaoelREGu uses 125 CALOCulate n LIMit k SUMMary EVM SDST AVERage RESuIt esses 126 CALOCulate n LIMit k SUMMary EVM UCCD AVERage RESuIt sss 126 CALOCulate n LIMit k SUMMary EVM UCCH AVERage RESuUIt sss 126 CALOCulate n LIMit k SUMMary EVM UPRA AVERage RESUIt eese 127 CALOCulate n LIMit k SUMMary EVM USQP AVERage RESUIt eeeeeesesesssss 127 CALOulate n LIMit k SUMMary EVM USSF AVERage RESUIt eese 127 CAL Culate nzLlMitcks SGUMMarv EVMUSGTTAVERaoelREGut nenen eneeeeeeeerene 128 CALCulate lt n gt LlMit lt k gt SUMMary FERRor MAXimum RESult seseosseeeeeene nenen ererererrreeene 128 CALCulate lt n gt LIMit lt k gt SUMMary FERRor AVERage RESUuIt c eccceeeeeeeeeeeeeeeeeeeeeea 128 CALOCulate n LIM
5. This command queries the results of the EVM limit check of all PUCCH resource ele ments Return values lt LimitCheck gt FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM UCCH RES Queries the limit check Remote Commands to Read Limit Check Results Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM UPRA AVERage RESult This command queries the results of the EVM limit check of all PRACH resource ele ments Return values lt LimitCheck gt FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM UPRA RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM USQP AVERage RESult This command queries the results of the EVM limit check of all PUSCH resource ele ments with a QPSK modulation Return values lt LimitCheck gt FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM USQP RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM USSF AVERage RESult This command queries the results of the EVM limit check of all PUSCH resource ele ments with a 64QAM modulation Return values lt LimitCheck gt FAILED Limit check has faile
6. 26 59 26 59 4 51 4 49 The table is split in two parts The first part shows results that refer to the complete frame It also indicates limit check results where available The font of Pass results is green and that of Fail results is red Note that the contents of the table depend on whether you are measuring in PUCCH PUSCH or PRACH analysis mode For more information see Ar de on page 68 In addition to the red font the application also puts a red star MN in front of failed results Note The EVM results on a frame level first part of the table are calculated as defined by 3GPP at the edges of the cyclic prefix The other EVM results lower part of the table are calculated at the optimal timing position in the middle of the cyclic prefix Because of inter symbol interference the EVM calculated at the edges of the cyclic prefix is higher than the EVM calculated in the middle of the cyclic prefix User Manual 1173 9386 02 05 19 EVM PUSCH QPSK EVM PUSCH 16QAM EVM PUSCH 64QAM EVM DRMS PUSCH QPSK EVM DRMS PUSCH 16QAM EVM DRMS PUSCH 64QAM EVM PUCCH EVM DMRS PUCCH EVM PRACH 1 Q Measurements Shows the EVM for all QPSK modulated resource elements of the PUSCH channel in the analyzed frame FETCh SUMMary EVM USQP AVERage on page 115 Shows the EVM for all 16QAM modulated resource elements of the PUSCH channel in the analyzed frame FETCh SUMMary EVM USST AVERage on page 115
7. Example Example Manual operation BW1_40 BW3_00 BW5_00 BW10 00 BW15 00 BW20_00 Single carrier measurement CONF UL BW BW1 40 Defines a channel bandwidth of 1 4 MHz Aggregated carrier measurement CONF UL CC1 BW BW5 00 Defines a channel bandwidth of 5 MHz for the first carrier See Channel Bandwidth Number of Resource Blocks on page 39 See Carrier Aggregation on page 72 CONFigure LTE UL CYCPrefix lt PrefixLength gt This command selects the cyclic prefix for uplink signals Parameters lt PrefixLength gt Example Manual operation NORM Normal cyclic prefix length EXT Extended cyclic prefix length AUTO Automatic cyclic prefix length detection RST AUTO CONF UL CYCP EXT Sets cyclic prefix type to extended See Cyclic Prefix on page 39 Remote Commands to Configure the Application CONFigure LTE UL PLC CID lt Cellld gt This command defines the cell ID Parameters lt Cellld gt AUTO Automatically defines the cell ID lt numeric value gt Number of the cell ID Range 0 to 503 Manual operation See Configuring the Physical Layer Cell Identity on page 40 CONFigure LTE UL PLC CIDGroup lt GroupNumber gt This command selects the cell identity group for uplink signals Parameters lt GroupNumber gt Range 1 to 167 RST 0 Example CONF UL PLCI CIDG 12 Selects cell identity group 12 Manual operation See Configuring the
8. Parameters lt WindowName gt String containing the name of the existing window By default the name of a window is the same as its index To determine the name and index of all active windows use the LAYout CATalog WINDow query lt WindowType gt Type of result display you want to use in the existing window See LAYout ADD WINDow on page 91 for a list of available window types Example LAY REPL WIND 1 MTAB Replaces the result display in window 1 with a marker table LAYout SPLitter lt Index1 gt lt Index2 gt lt Position gt This command changes the position of a splitter and thus controls the size of the win dows on each side of the splitter As opposed to the DISPlay WINDow lt n gt SIZE on page 91 command the LAYout SPLitter changes the size of all windows to either side of the splitter per manently it does not just maximize a single window temporarily R amp S FSW K10x LTE Uplink Remote Control Note that windows must have a certain minimum size If the position you define con flicts with the minimum size of any of the affected windows the command will not work but does not return an error y 100 x 100 y 100 1 01 GHz 102 12 dim x 0 y 0 x 100 Fig 6 1 SmartGrid coordinates for remote control of the splitters Parameters lt Index1 gt The index of one window the splitter controls lt Index2 gt The index of a window on the other side of the splitter lt Position gt
9. Setting parameters lt Path gt String containing the path and name of the file Example MMEM LOAD DEM D USER Settingsfile allocation Usage Setting only MMEMory LOAD TMOD DL lt TestModel gt This command loads an EUTRA test model E TM The test models are in accordance with 3GPP TS 36 141 Setting parameters lt TestModel gt E TM1_1__20MHz EUTRA Test Model 1 1 E TM1 1 E TM1_2_ 20MHz EUTRA Test Model 1 2 E TM1 2 E TM2__20MHz EUTRA Test Model 2 E TM2 E TM3 1 20MHz EUTRA Test Model 3 1 E TM3 1 E TM3 2 20MHz EUTRA Test Model 3 2 E TM3 2 E TM3 3 20MHz EUTRA Test Model 3 3 E TM3 3 To select a test model for a different bandwidth replace 20MHz with either 1 4MHz 3MHz 5MHZ 10MHz or 15MHz Remote Commands to Configure the Application Example MMEM LOAD TMOD DL E TM2 10MHz Selects test model 2 for a 10 MHz bandwidth Usage Setting only SENSe LTE SFLatness ECONditions lt State gt This command turns extreme conditions for spectrum flatness measurements on and off Parameters lt State gt ON OFF RST OFF Example SFL ECON ON Turns extreme conditions on Manual operation See Extreme Conditions on page 41 SENSe LTE SFLatness OBANd lt NofSubbands gt This command selects the operating band for spectrum flatness Measurements Parameters lt NofSubbands gt lt numeric value gt Range 1 to 40 RST 1 Example SF
10. limit The unit of the bandwidth and spacing offset is Hz The unit of the power values is either dBm for the TX channel or dB for the neigh boring channels The unit of the limit is dB The channel type is encoded For the code assignment see chapter 6 7 1 18 Return Value Codes on page 110 Note that the TX channel does not have a spacing offset gt lt power of lower channel and limit NaN is returned instead R amp S FSW K10x LTE Uplink Remote Control 6 7 1 2 Allocation Summary For the Allocation Summary the command returns seven values for each line of the table subframe allocation ID number of RB offset RB modulation absolute power lt EVM gt The unit for absolute power is always dBm The unit for lt EvM gt depends on UNIT EVM All other values have no unit The allocation ID and modulation are encoded For the code assignment see chapter 6 7 1 18 Return Value Codes on page 110 Note that the data format of the return values is always ASCII Example Allocation Summary suh Modulation Power frame TRAC DATA TRACE1 would return 0 40 10 2 2 84 7431947342849 2 68723483754626E 06 0 41 0 0 6 84 7431432845264 2 37549449584568E 06 0 42 0 0 6 80 9404231343884 3 97834623871343E 06 6 7 1 3 Bit Stream For the Bit Stream result display the command returns five values and the bitstream for eac
11. 1 LEFT IE Selecting the result display LAY ADD 1 LEFT IEA Qurying results TRACe DATA Spectrum Flatness Starts the Spectrum Flatness result display This result display shows the relative power offset caused by the transmit channel The measurement is evaluated over the currently selected slot in the currently selected subframe The currently selected subframe depends on your selection The x axis represents the frequency On the y axis the channel flatness is plotted in dB 2 Spectrum Flatness ei Avge2 Min e 3 Max 7 68 MHz 1 54 MHz Note that the limit lines are only displayed if you match the Operating Band to the cen ter frequency Limits are defined for each operating band in the standard The shape of the limit line is different when Extreme Conditions on page 41 are on Remote command Selecting the result display LAY ADD 1 LEFT SFL Querying results TRACe DATA Spectrum Flatness SRS The Spectrum Flatness SRS display shows the amplitude of the channel transfer func tion based on the sounding reference signal The measurement is evaluated over the currently selected slot in the currently selected subframe The slot and subframe selection may be changed in the general settings um PE INNUMERAS SOCIUS M UU User Manual 1173 9386 02 05 14 R amp S FSW K10x LTE Uplink Measurements and Result Displays 3 Spectrum Flatness SRS 1 Avge 2 Mine 3 Max 7 68 MHz 1 54 MHz Remote command
12. M 157 INPURS BEC E 157 VT EAR 163 INPutsnS EAT TAU TO E 163 INPutehs EATESTA TO eege cie eet a Sege Dues dur ia a t bpm aides 164 INSTr ment CREate DUPlLiCale rre rrr rrr fn ere e er re rrr a chc rr EHE gege 87 INS Trument CREate REPLACe rtt eniro trt at 87 INSTrument CREate NEW leger ue TEE INS Tr ment LIST f A AAA AAA AAA AAA AAA 88 INSTrumentRENaMe E 90 INSTrument SELEC econ S 90 LAY CUADO E WINDOW E 91 EAYoutEATalogE WINDOW aras in id 93 LAY out IDENtify WINDow LAY out REMovelWINDOW ima A Ad EAYout le RUE E LAY QUES PIG ooo sie geed LAY Ou WINDOWS N gt ADD iiias irsini raar tanata edi AE irea vaT Eea EEN EETAS 96 LAYOUCWINDOw S IDENY Zoete pt rien tu crt e rie be ek a a aa 96 Adel e lee Ee e LAYout WINDow lt n gt REPLace MMEMoOrny EOAD DEMOGdSSetlITIg eximio cates sassy rod Da pe tea ri Fr PEOR a ic ais 135 MMEMory LOADIO STA ur e aa 131 MMEMory LOAD2T MOD DL terret patte cerent oe i Gauge veto e ee 135 oYSTem PRESeECHANnel EXEGuUte ietua cri Ere tte aaa DOG So EPI EIER DE nas 131 ib SXIMBdese m C 101 TRAC SAF DATA iore ttr eee re ott aer ER c ptt tg rep en EUR ee ER E d 111 TRIGger SEQuence HOLbDoffsinstr mente uso rotto tori e tret rdi Ph asa 166 TRIGger SEQuence LEVel instrument EXTernal 5 2 on ntn nt tnter 167 TRIGger SEQuence E PO
13. Manual operation See Result Summary on page 18 FETCh SUMMary EVM PSIGnal MAXimum FETCh SUMMary EVM PSIGnal MINimum FETCh SUMMary EVM PSIGnal AVERage This command queries the EVM of all physical signal resource elements Return values lt EVM gt lt numeric value gt Minimum maximum or average EVM depending on the last command syntax element The unit is or dB depending on your selection Example FETC SUMM EVM PSIG Returns the mean value Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary FERRor MAXimum FETCh SUMMary FERRor MINimum FETCh SUMMary FERRor AVERage This command queries the frequency error Remote Commands to Read Numeric Results Return values lt FreqError gt lt numeric value gt Minimum maximum or average frequency error depending on the last command syntax element Default unit Hz Example FETC SUMM FERR Returns the average frequency error in Hz Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary GIMBalance MAXimum FETCh SUMMary GIMBalance MINimum FETCh SUMMary GIMBalance AVERage This command queries the UO gain imbalance Return values lt GainImbalance gt lt numeric value gt Minimum maximum or average UO imbalance depending on the last command syntax element Default unit dB Example FETC SUMM GIMB Returns the current gain imbalance in dB Usage Query on
14. AVERage RESUIt cs 126 CALCulate n LIMit k SUMMary EVM UPRA AVERage RESUlt estes 127 CALCulate cnzs LUMitsks SUMMan EVM USOPtAVERagelRESut 127 CALCulate n LIMit k SUMMary EVM USSF AVERage RESUlt ees 127 CALCulate n LIMit k SUMMary EVM USST AVERage RESUlt sees 128 CALCulate lt n gt LIMit lt k gt SUMMary EVM ALL MAXiMUM RESult v ss1111ss1111es11isesitiissitiresirrsserrrsssernnss 124 ee UM ee Deeg 124 CALCulate lt n gt LIMitck gt SUMMary GIMBalance MAXimum RESult ee 128 CALCulate n LIMit k SUMMary GIMBalance AVERage RESUIt esses 128 CALCulate n LIMit k SUMMary IQOFfset MAXimum RESUIt esee 129 CAL Culate nzLlMitcks GUMManv IOOFiset AVERaoel RE Guy 129 CALCulate n LIMit k SUMMary QUADerror MAXimum RESUlt sese 129 CAL Culate nzLUlMitcks GUMManv OUADerrort AVERaoel RE Gut 129 CALOulate n LIMit k SUMMary SERRor MAXimum RESUlt eese 130 CALCulate n LIMit k SUMMary SERRor AVERage RESUIt esee 130 CALCulate n MARKer m FUNCtion POWer RESUult CURRent sse 111 e E 121 CALCUlate sn MARKES MAN nan ea a A a 121 CALC latesn gt UNIT POWE E CONFigure LTE DUPLexing CONFigure LTE LDIRection GONFigureELTEEMEASUrerml rit ca aa a a aa 130 C
15. For more information see Enhanced Settings Number of RB Sets the number of resource blocks the PUSCH allocation covers The number of resource blocks defines the size or bandwidth of the PUSCH allocation Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc RBCount on page 139 Offset RB Sets the resource block at which the PUSCH allocation begins Make sure not to allocate PUSCH allocations into regions reserved for PUCCH alloca tions Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc RBOFfset on page 140 4 2 3 3 Enhanced Settings The Enhanced Settings contain functionality to define enhanced characteristics for selected channels Enhanced PUSCH Configuration esc ease inet ee unen exe trei derat eR a dax 45 Enhanced Demodulation Reference Signal Copfiouratton 46 Enhanced PUCEA een le Tt to lace er Recette me e eee ads 46 Enhanced PUSCH Configuration Configures the PUSCH in individual subframes Resource Allocation Type 1 On off Note The Codeword to Layer Mapping and Spatial Multiplexing are not yet sup ported Resource Allocation Type 1 Turns a clustered PUSCH allocation an and off If on a second row is added to the corresponding allocation This second row represents the second cluster Configuring UO Measurements You can define the number of resource block and the offset resource block for each cluster All other parameters power modulation et
16. LAY ADD 1 LEFT MTAB Result 2 Adds a new window named 2 with a marker table to the left of window 1 Query only See Capture Buffer on page 10 See EVM vs Carrier on page 10 See EVM vs Symbol on page 11 See EVM vs Subframe on page 12 See Power Spectrum on page 12 See Inband Emission on page 13 See Spectrum Flatness on page 14 See Spectrum Flatness SRS on page 14 See Channel Group Delay on page 15 See Spectrum Flatness Difference on page 15 See Constellation Diagram on page 16 See CCDF on page 16 See Allocation Summary on page 17 See Bit Stream on page 18 See Result Summary on page 18 See Marker Table on page 21 Table 6 2 lt WindowType gt parameter values for LTE Uplink Measurement application Parameter value Window type ASUM Allocation Summary BSTR Bitstream CBUF Capture Buffer CCDF CCDF Working with Windows in the Display Parameter value Window type CONS Constellation Diagram EVCA EVM vs Carrier EVSU EVM vs Subframe EVSY EVM vs Symbol FEVS Frequency Error vs Symbol GDEL Group Delay IE Inband Emission IEA Inband Emission All MTAB Marker Table PSPE Power Spectrum RSUM Result Summary SFD Spectrum Flatness Difference SFL Spectrum Flatness SFSR Spectrum Flatness SRS LAYout CATalog WINDow This command queries the name and index of all active windows from top left to bot
17. SUMMary SERRor MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary SERRor AVERage RESult This command queries the results of the sampling error limit check Return values lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM SERR RES Queries the limit check Usage Query only Remote Commands to Configure the Application General Configuration The following remote control command control general configration of the application The remote control commands to select the result displays for UO measurements are described in chapter 6 5 Working with Windows in the Display on page 91 CONFigure L TE MEABurement acces eee eeeeeeeeeeeeeeeeeeseeeeeeeesesaeanaeaaaaaaaaees 130 MMEMONELCADAC E NEE 131 SYSTem PRESettCHANnel EXECUTE coccion ea 131 CONFigure LTE MEASurement lt Measurement gt This command selects the measurement Remote Commands to Configure the Application Parameters lt Measurement gt ACLR Selects the Adjacent Channel Leakage Ratio measurement ESPectrum Selects the Spectrum Emission Mask measurement EVM Selects UO measurements with the EVM display configuration MCACIr Selects Multi Carrier ACLR measurement TAERor Selects the Time Alignment Error measurement TPOO Selects the Tr
18. Shows the EVM for all 64QAM modulated resource elements of the PUSCH channel in the analyzed frame FETCh SUMMary EVM USSF AVERage on page 115 Shows the EVM of all DMRS resource elements with QPSK modulation of the PUSCH in the analyzed frame FETCh SUMMary EVM SDQP AVERage on page 113 Shows the EVM of all DMRS resource elements with 16QAM modulation of the PUSCH in the analyzed frame FETCh SUMMary EVM SDST AVERage on page 113 Shows the EVM of all DMRS resource elements with 64QAM modulation of the PUSCH in the analyzed frame FETCh SUMMary EVM SDSF AVERage on page 113 Shows the EVM of all resource elements of the PUCCH channel in the ana lyzed frame FETCh SUMMary EVM UCCH AVERage on page 114 Shows the EVM of all DMRS resource elements of the PUCCH channel in the analyzed frame FETCh SUMMary EVM UCCD AVERage on page 114 Shows the EVM of all resource elements of the PRACH channel in the ana lyzed frame FETCh SUMMary EVM UPRA AVERage on page 114 By default all EVM results are in To view the EVM results in dB change the EVM Unit The second part of the table shows results that refer to a specifc selection of the frame The statistic is always evaluated over the slots The header row of the table contains information about the selection you have made like the subframe EVM All EVM Phys Channel Shows the EVM for all resource elements in the analyz
19. WINDOW ooccocicncoraicicioraninicdn i ani aeeiiaii aaa iran 93 LAYOuUPREMove WINDOW ET 94 LAYoutREPLace WINEDOW ioo cede ree tci bie eri t cy tree deed edt aseo cessa dees 94 AY OUTS PIMC EE 94 Bd Dr du eene KEE 96 LAYoutWINDOwW ShIDENIR 2 ipei aerei it nes 96 LAY cut d et 97 LAvoutWiNDow cnz RED ace nene nnne nn sn ii arenis essen nnns inna nin 97 LAYout ADD WINDow lt WindowName gt lt Direction gt lt WindowT ype gt This command adds a window to the display This command is always used as a query so that you immediately obtain the name of the new window as a result To replace an existing window use the LAYout REPLace WINDow command Parameters lt WindowName gt lt Direction gt lt WindowType gt Return values lt NewWindowName gt Example Usage Manual operation Working with Windows in the Display String containing the name of the existing window the new win dow is inserted next to By default the name of a window is the same as its index To determine the name and index of all active windows use the LAYout CATalog WINDow query LEFT RIGHt ABOVe BELow Direction the new window is added relative to the existing win dow text value Type of result display evaluation method you want to add See the table below for available parameter values When adding a new window the command returns its name by default the same as its number as a result
20. see data sheet Increment 5dB RST 10 dB AUTO is set to ON Example INP ATT 30dB Defines a 30 dB attenuation and decouples the attenuation from the reference level Usage SCPI confirmed Manual operation See Attenuating the Signal on page 63 INPut ATTenuation AUTO lt State gt This command couples or decouples the attenuation to the reference level Thus when the reference level is changed the R amp S FSW determines the signal level for optimal internal data processing and sets the required attenuation accordingly Parameters lt State gt ON OFF 0 1 RST 1 Remote Commands to Configure the Application Example INP ATT AUTO ON Couples the attenuation to the reference level Usage SCPI confirmed Manual operation See Attenuating the Signal on page 63 INPut COUPling lt CouplingType gt This command selects the coupling type of the RF input Parameters lt CouplingType gt AC AC coupling DC DC coupling RST AC Example INP COUP DC Usage SCPI confirmed Manual operation See Input Coupling on page 64 INPut GAIN VALue lt Gain gt This command selects the preamplification level if the preamplifier is activated INP GAIN STAT ON see INPut GAIN STATe on page 162 The command requires option R amp S FSW B24 Parameters lt Gain gt 15 dB 30 dB The availability of preamplification levels depends on the R amp S FSW model R amp S FSW8 13 15dB and 30 dB R amp
21. 02 05 11 R amp S FSW K10x LTE Uplink Measurements and Result Displays The x axis represents the OFDM symbols with each symbol represented by a dot on the line The number of displayed symbols depends on the Subframe Selection and the length of the cyclic prefix Any missing connections from one dot to another mean that the R amp S FSW could not determine the EVM for that symbol In case of TDD signals the result display does not show OFDM symbols that are not part of the measured link direction On the y axis the EVM is plotted either in or in dB depending on the EVM Unit 3 EVM vs Symbol 20 Symb 279 Symb Remote command Selecting the result display LAY ADD 1 LEFT EVSY Querying results TRACe DATA EVM vs Subframe Starts the EVM vs Subframe result display This result display shows the Error Vector Magnitude EVM for each subframe You can use it as a debugging technique to identify a subframe whose EVM is too high The result is an average over all subcarriers and symbols of a specific subframe The x axis represents the subframes with the number of displayed subframes being 10 On the y axis the EVM is plotted either in or in dB depending on the EVM Unit 4 EVM vs Subframe Remote command Selecting the result display LAY ADD 1 LEFT EVSU Querying results TRACe DATA Power Spectrum Starts the Power Spectrum result display User Manual 1173 9386 02 05 12 R amp S FSW K10x LTE U
22. 4 2 4 3 5 1 5 2 5 3 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 Contents Welcome to the LTE Measurement Application 5 Starting the LTE Measurement Application cccccessesseeeeee REENEN 5 Understanding the Display Information eee nennen 6 Measurements and Result DisplayS ccccccccceeeeeeeeeeeeeeeeeneeeeeeeeeeeeees 8 VQ MG AS UCI SINGS cies ETT IDOL OTT as 9 Frequency Sweep Measurements REENEN EEEEEE REENEN 21 Measurement eeh 27 Symbols and Varlables ion ia id 27 ou 28 The LTE Uplink Analysis Measurement Application 28 SRS EVM Calculation oriente reenecca trina inscr nans rece ane oese ca d as 32 COMI UIA ON M 34 Configuration OVervViGWw isis ccccccccecscescececcsssetececesctecceccaseseuce nro bn 34 Configuring UO Measurements eese eene enne nnne nennen nennen 36 Configuring Frequency Sweep Measurements eee 70 ANAIS IS oo 74 Configuring Tables Numerical Results esee 74 Analyzing UO Measurements eese nennen nennen nennen nn 74 Analyzing Frequency Sweep Measurements eene 80 ii Ee o2 ecc 81 Overview of Remote Command Suffixes ccccccessssecceessseneeeeseseeeeesseeeeeeeessseeeenes 81
23. 5 Alternative Keywords A vertical stroke indicates alternatives for a specific keyword You can use both key words to the same effect Example SENSe BANDwidth BWIDth RESolution In the short form without optional keywords BAND 1MHZ would have the same effect as BWID 1MHZ 6 2 6 SCPI Parameters Many commands feature one or more parameters If a command supports more than one parameter these are separated by a comma Example LAYout ADD WINDow Spectrum LEFT MTABle Parameters may have different forms of values e Numen Valles tii aaa 85 e BOU EE 85 Character Data ERR 86 s Character SUMUS se tere ente d eig EEA O NS 86 e Block DAG EE 86 6 2 6 1 6 2 6 2 Introduction Numeric Values Numeric values can be entered in any form i e with sign decimal point or exponent In case of physical quantities you can also add the unit If the unit is missing the com mand uses the basic unit Example with unit SENSe FREQuency CENTer 1GHZ without unit SENSe FREQuency CENTer 1E9 would also set a frequency of 1 GHz Values exceeding the resolution of the instrument are rounded up or down If the number you have entered is not supported e g in case of discrete steps the command returns an error Instead of a number you can also set numeric values with a text parameter in special cases e MIN MAX Defines the minimum or maximum numeric va
24. A edens bur a Y rese ER de 119 FETGI SUMMary POWer AVERadge caro tec deni trai br rro ap P RE ER ee rA 119 FETCh SUMMary QUADerror MAXimum FETCh SUMMary QUADertor MINImUtQ scudo riora is 119 FETCh SUMMary QUADerror AVERadge rrr enter c 119 FETCIh SUMMaty SERROEMAXIIUETI sicco rcp e Etpe te e ger get n dd pese ev 119 FETCh SUMMary SERROEMINimmUt iint oos rao Rena eene EE oaa Ead iod rx a Rea es 119 eer NOTE e E KEE 119 FETCI SUMMaty TERAM ccrte tecti nre td Eg Y P i Re cr be ee bt ent uan 120 FORMat DATA Locarno tdi 112 INITiate CONTINUOUS si escoria iaa d A A AD A A Aa 98 ll enee 100 INIMiate SEQuencer lMMediate icon erem eter hti a Fx Tes a ke e Rx 100 INITiate SEQuencer MODE ll MEET INPUCA RR INPutATTenuation AUTO iria neyecnaddeastieedneusttenssderneneases INPUEG ordi zd Tu DEE INPUT DIO ere VIS DIQ ee ei DEE 155 INPut DIQ RANGe UPPer INPut DIQ RANGG EUPPOF EAUTO siiticio oe teen t bias Mee pter a ha ra me gestis ka e E 154 INPutBIQG RANGSEUPP er UN escitas anat eher pea cvy etta turc cM EY eeu E ERR ERN 155 INPUEDIO SRAT cc E 155 IST il iq m bqpopc c 156 INPut EIE Ter PASSES FAT accetto ra s t ee eae ora anes tei aes 156 INPut FIETer YIGES KREE 156 INPut GAIN STATe INPUEGAIN VALUe cett tete eee EE SEELEN dees ll helle le INPutilQ BAEancedE STA EE 157 INPUtIO TYP c
25. Aa 87 INSTruiment GREatel NEW 87 INSTumentCREate REPLACE coo aaa aia 87 INS TramesnbtDELBle e ENEE 88 LI SWINE SI de I MT 88 INSTTUMEN REN ME od AEN 90 INSTr ment SElect conie chapters ia 90 INSTrument CREate DUPLicate This command duplicates the currently selected measurement channel i e starts a new measurement channel of the same type and with the identical measurement set tings The name of the new channel is the same as the copied channel extended by a consecutive number e g Spectrum gt Spectrum 2 The channel to be duplicated must be selected first using the INST SEL command This command is not available if the MSRA Master channel is selected Example INST SEL Spectrum INST CRE DUPL Duplicates the channel named Spectrum and creates a new measurement channel named Spectrum 2 Usage Event INSTrument CREate NEW lt ChannelType gt lt ChannelName gt This command adds an additional measurement channel The number of measure ment channels you can configure at the same time depends on available memory Parameters lt ChannelType gt Channel type of the new channel For a list of available channel types see INSTrument LIST on page 88 lt ChannelName gt String containing the name of the channel The channel name is displayed as the tab label for the measurement channel Note If the specified name for a new channel already exists the default
26. DELTamarker lt m gt Y This command queries the relative position of a delta marker on the y axis If necessary the command activates the delta marker first To get a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This is only possible for single sweeps See also INITiate CONTinuous on page 98 The unit depends on the application of the command Remote Commands to Read Numeric Results Return values lt Position gt Position of the delta marker in relation to the reference marker or the fixed reference Example INIT CONT OFF Switches to single sweep mode INIT WAI Starts a sweep and waits for its end CALC DELT2 ON Switches on delta marker 2 CALC DELT2 Y Outputs measurement value of delta marker 2 Usage Query only CALCulate lt n gt MARKer lt m gt X lt Position gt This command moves a marker to a particular coordinate on the x axis If necessary the command activates the marker If the marker has been used as a delta marker the command turns it into a normal marker Parameters lt Position gt Numeric value that defines the marker position on the x axis Range The range depends on the current x axis range Example CALC MARK2 X 1 7MHz Positions marker 2 to frequency 1 7 MHz Manual operation See Marker Table on page 21 CALCulate lt n gt MARKer lt m gt Y This command queries the positio
27. E 145 CONFig re LTE L SRS ASRS india aia 145 CONFiguire ETE ULISRSIMUPT E 145 CONFIiqune FL NERT TE 145 CONFig re LTE UL SRS POWO conan eva 146 GONFigureDEPEEFUESRS ISTAL coi 146 CONFigu re TE UL SRSISUCONE icooo ocio ds 146 CON Figure PL TEULISRS TIRCONID nir tetuer ia ida 146 CONFigure LTE UL SRS ANST lt State gt This command turns simultaneous transmission of the Sounding Reference Signal SRS and ACK NACK messages via PUCCH on and off Simultaneous transmission works only if the PUCCH format ist either 1 1a 1b or 3 Remote Commands to Configure the Application Parameters lt State gt ON Allows simultaneous transmission of SRS and PUCCH OFF SRS not transmitted in the subframe for which you have config ured simultaneous transmission of PUCCH and SRS Example CONF UL SRS ANST ON Turns simultaneous transmission of the SRS and PUCCH in one subframe on Manual operation See A N SRS Simultaneous TX on page 52 CONFigure LTE UL SRS BHOP lt Bandwidth gt This command defines the frequency hopping bandwidth yop Parameters lt Bandwidth gt lt numeric value gt RST 0 Example CONF UL SRS BHOP 1 Sets the frequency hopping bandwidth to 1 Manual operation See Hopping BW b hop on page 51 CONFigure LTE UL SRS BSRS lt Bandwidth gt This command defines the bandwidth of the SRS Bsprs Parameters lt Bandwidth gt lt numeric value
28. Ec o n e e e dct ER quedo 113 FETCI SUMMary EVM UGCDEAVERa9e6 cti rtt tit enge cde E b et ce Dp 114 FETCh SUMMary EVM IUGCLE AVERage 1 attin etit terti o 114 FETGIh SUMMary EVM UPRA AVERage ciii iet iceman eee ee rae iia 114 FETCh SUMMary EVM USGPEAVERage rit cpi tene Ee a 115 FETCh SUMMary EVM USSF AVERA9e i ven ttr hc rettet a eR a cu edd 115 FETGh SUMMary EVM USSTEAMERa9e ccoo india a e pe n rn tira Ee pedo n 115 FEdTCI SUMMaty EVMEALEEMANXIImUETIT cicer prre Fette t peg peg eer aee Bv ctp gate 116 FETCh SUMMary EVM ALL MINimum 116 FETGh SUMMary EVMEALEIEAVERaAdge c1 oor ett cat treize reir nta ere rn dcn 116 FEdTCI SUMMary FERROr MAXJmUlTI cai ctr tact eee tn o tette eet vae peu Ep oda e edd 117 FETCh SUMMary FERROr MINIMUM scite too pene onn a a eed eda Eee Ee 117 FETGI SUMMary FERROI AVERaAdgel iiirre ctia nui a t erre HI PEL Ie REESE EI CERE eR 117 FETCRh SUMMary GIMBalance MAXImuln notorie act 118 FETCHN SUMMary GlMBalance MINIMUM ac ir ni reote kt o Fee ci cot tcn done bn ra Y nre se ELA EXE reet duda 118 FETCh SUMMary GIMBalance AVERage FETChH SUMMary IQOFISeE MAXIMUM deu ENEE lee nel bre hr ve ue e p ig ge alee 118 FETCI SUMMary IQOFfSet MINI iscritti uito ln 118 FETGIh SUMMary IQOFfsetpAVERaAge iecit tte rere dta crc inq e E nee 118 FETGh SUMMaty POWer MAXIIUIm itc riae citet e gea ev i 119 FETCh SUMMary POWer MINIMUMNI siis oanien Ee epe
29. It is used to transmit uplink data The length of the three fields is variable This results in several possible configurations of the special subframe The LTE standard defines 10 different configurations for the special subframe However configurations 8 and 9 only work for a normal cyclic prefix If you select configurations 8 or 9 using an extended cyclic prefix or automatic detec tion of the cyclic prefix the application will show an error message Remote command Subframe CONFigure LTE UL TDD UDConf on page 135 Special subframe CONFigure LTE UL TDD SPSC on page 134 Configuring the Physical Layer Cell Identity The cell ID cell identity group and physical layer identity are interdependent parame ters In combination they are responsible for synchronization between network and user equipment The physical layer cell ID identifies a particular radio cell in the LTE network The cell identities are divided into 168 unique cell identity groups Each group consists of 3 physical layer identities According to Nip 3 Nip Ni NU cell identity group 0 167 NO physical layer identity 0 2 Configuring UO Measurements there is a total of 504 different cell IDs If you change one of these three parameters the application automatically updates the other two The Cell ID determines the reference signal grouping hopping pattern the reference signal sequence hopping the PUSCH demodulation reference signal
30. Remote command CONFigure LTE UL SRS ISRS on page 145 Transm Comb k_TC Defines the transmission comb kc The transmission comb is a UE specific parameter For more information refer to 3GPP TS 36 211 chapter 5 5 3 2 Mapping to Physical Resources for the Sounding Reference Signal Remote command CONFigure LTE UL SRS TRComb on page 146 Freq Domain Pos n RRC Defines the parameter Doc Ngre is a UE specific parameter and determines the starting physical resource block of the SRS transmission For more information refer to 3GPP TS 36 211 chapter 5 5 3 2 Mapping to Physical Resources for the Sounding Reference Signal Remote command CONFigure LTE UL SRS NRRC on page 145 A N SRS Simultaneous TX Turns simultaneous transmission of the Sounding Reference Signal SRS and ACK NACK messages via PUCCH on and off By turning the parameter on you allow for simultaneous transmission of PUCCH and SRS in the same subframe If off the SRS not transmitted in the subframe for which you have configured simulta neous transmission of PUCCH and SRS Note that simultaneous transmission of SRS and PUCCH is available only if the PUCCH format is either 1 1a 1b or 3 The other PUCCH formats contain CQI reports which are not transmitted with the SRS Remote command CONFigure LTE UL SRS ANST on page 143 4 2 7 Defining the PUSCH Structure The PUSCH structure settings contain settings that describe the physical
31. SEL ALL Analyzes all preambles Manual operation See Preamble Selection on page 76 SENSe LTE SLOT SELect lt Slot gt This command selects the slot to analyze Parameters lt Slot gt S0 Slot 0 1 Slot 1 ALL Both slots RST ALL Example SLOT SEL S1 Selects slot 1 for analysis Manual operation See Slot Selection on page 76 SENSe LTE SUBFrame SELect lt Subframe gt This command selects the subframe to be analyzed Parameters lt Subframe gt ALL lt numeric value gt ALL Select all subframes 0 39 Select a single subframe RST ALL Example SUBF SEL ALL Select all subframes for analysis Manual operation See Subframe Selection on page 75 Analysis SENSe LTE SYMBol SELect lt Symbol gt This command filters the displayed results in the constellation diagram by a particular OFDM symbol Parameters lt Symbol gt ALL Shows the results for all subcarriers lt numeric_value gt Shows the results for a particular OFDM symbol RST ALL Example SYMB SEL 2 Shows the results for the second OFDM symbol Manual operation See Evaluation Range for the Constellation Diagram on page 76 6 11 2 Y Axis Scale DISPlay WINDow lt n gt TRACe Y SCALe AUTO ONCE cceceeeeeeeeeeeeeeeeeeeaeaeaaeeaaeeeneneneees 177 DISPlay WINDow lt n gt TRACe Y SCALe MAXIMUM cece eeeeeeee cece eee eeeeeaeaeaeaeaeeeeneneteneneees 177 DISPlay WINDow n T
32. SUBFrame ssubframe ALLoc RBOCount sse nenne 139 COhNFourel LTE UL GUBtrame subiramez AL LochRbOttset cnn cnn na non conan cnn nannnos 140 CONFigureLTEFULTDD SP Eunice ta ea CONFigureEETEEFULE TDD UD GOL ete Acida GONFig re E TETPUL UEID our oti ttt eta Deme dio CONFigure LTE UL CC lt cci gt BW DISPlay FORMAat EE DISPIayEWINBDOWSTIP SIZE E 91 DISPlay WINDow n TRACe Y SCALe AUTO ONE cnn n cnn nono conan raias DISPlay WINDow n TRACe Y SCALe MAXimum essen n cnn nc non criar ianiai DlSblavtWiNDow nzTRACevtGCALetMihNimum conocia oaiit iasaid DISPlay WINDowsn gt TRACe Y SCALEG EREEVel 2 rerit ott a ert eaa dis DISPlay WINDow lt n gt TRACe Y SCALe RLEVel OFFSet is FEICh SUMMary GRESI AVERAgel corset tla tette Deos Near spans ahs ONASA 116 FETGh SUMMary EVM PCbhanielMAXIImUITI cti niano ate cm nr re pe o M pep 117 FETCh SUMMary EVM PCHanneliMINIMUM 5 tiet tei teet td veg 117 FETGRh SUMMary EVM PCHannel AVERage iit ene kde oath n rot ia 117 EFETCh SUMMary EVM PSIGnalMAXImUIT cci contr ri cuente t te E 117 FETCh SUMMary EVM PSIGimal MINIMUM isc ci da dia 117 FETCh SUMMary EVM PSIGnal AVERage i FETCh SUMMary EVM SDOPEAVERAage tiie rper ene petto e etg a c tp dete 113 FETCh SUMMary EVM SDSF AMERAge tr tii hereto a iia 113 FETGh SUMMary EVM SDSTEAMERa9ge sciri rid eei
33. SUMMary SERROIDAVERage act ctore data 119 FETCHISUMMary TF RAMC icc iioii citta dieci ete ecu va Aida 120 FETCh SUMMary CRESt AVERage This command queries the average crest factor as shown in the result summary Return values lt CrestFactor gt lt numeric value gt Crest Factor in dB Example FETC SUMM CRES Returns the current crest factor in dB Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM ALL MAXimum FETCh SUMMary EVM ALL MINimum FETCh SUMMary EVM ALL AVERage This command queries the EVM of all resource elements Return values lt EVM gt lt numeric value gt Minimum maximum or average EVM depending on the last command syntax element The unit is or dB depending on your selection Remote Commands to Read Numeric Results Example FETC SUMM EVM Returns the mean value Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM PCHannel MAXimum FETCh SUMMary EVM PCHannel MINimum FETCh SUMMary EVM PCHannel AVERage This command queries the EVM of all physical channel resource elements Return values lt EVM gt lt numeric value gt Minimum maximum or average EVM depending on the last command syntax element The unit is or dB depending on your selection Example FETC SUMM EVM PCH Returns the mean value Usage Query only
34. Selecting the result display LAY ADD 1 LEFT SFSR Querying results TRACe DATA Channel Group Delay Starts the Channel Group Delay result display This result display shows the group delay of each subcarrier The measurement is evaluated over the currently selected slot in the currently selected subframe The currently selected subframe depends on your selection The x axis represents the frequency On the y axis the group delay is plotted in ns 6 Group Delay ei 277 3 8325 MHz 768 0 kHz 3 8475 MHz Remote command Selecting the result display LAY ADD 1 LEFT GDEL Querying results TRACe DATA Spectrum Flatness Difference Starts the Spectrum Flatness Difference result display This result display shows the level difference in the spectrum flatness result between two adjacent physical subcarriers The measurement is evaluated over the currently selected slot in the currently selected subframe The currently selected subframe depends on your selection The x axis represents the frequency On the y axis the power is plotted in dB User Manual 1173 9386 02 05 15 R amp S FSW K10x LTE Uplink Measurements and Result Displays 5 Spectrum Flatness Difference 1 Avge 2 Mine 3 Max 7 68 MHz 1 54 MHz Remote command Selecting the result display LAY ADD 1 LEFT SFD Querying results TRACe DATA Constellation Diagram Starts the Constellation Diagram result display This result display shows th
35. TETUEPUGCCH NORB 2 SEENEN isis dee Xen uen dere ee GONFigureE ETETULEPUGGH INPAR cionado iaa AE gei lee UI RN RL Gu Hl ET GONFigurer E TEEUL PUSCh FEFOEISSL 3i tr ttt di a gEeEEeE CONFigure ETETFUE PUSCHFHOP IEB crees top eo e ecco beet tpe 147 CONFigure L RL GR e rtt A toner 148 CONFigure L TET UL SFNO CONFigure LTE UL SRS ANST CONFigure LTE UL SRS BHOP CONFigure LTE UL SRS BSRS CONFigure LTE UL SRS CSRS CONFigure LTE UL SRS CYCS CONFigureE TETUESRS ISRS iniecit a ween needed i CONFigure LTE UL SRS MUPT CONFigureEETETFUL SRS NRRQG nter t itid at inne a ener et tr n EO papse eb t E deant GONFigure E TETUESRSPOWX E etta bcne etes ee re e seems ever olet cie cd tuse de dades vada CONFigureEETEEUESRS S TATE rec a sear nl ens tan deca peri ry iv Rud gl ee UI RN RR er le DEE CONFigure RR EU TREO MD DE CONFigure L TE UL SUBFrame subframe ALLoc CONT sss eee CONFigure LTE UL SUBFrame lt subframe gt ALLoc MODulation CONFigure L TE UL SUBFrame ssubframe ALLoc PUCCh FORMat essent 138 CONFigure L TE UL SUBFrame subframe ALLoc PUCCRh NPAR eese nennen 138 CONFigure L TE UL SUBFrame subframe ALLoc PUSCh CSField sse 139 CONFigure L TE UL SUBFrame ssubframe ALLoc PUSCh NDMRS eene 139 CONFigure L TE UL SUBFrame subframe ALLoc RATO essere nennen 139 CONFigure L TE UL
36. YIG preselector Manual operation See YIG Preselector on page 58 Remote Commands to Configure the Application INPut IQ BALanced STATe lt State gt This command defines whether the input is provided as a differential signal via all 4 Analog Baseband connectors or as a plain UO signal via 2 simple ended lines Parameters State Example Manual operation ON Differential OFF Simple ended RST ON INP IO BAL OFF See Input configuration on page 61 INPut IQ TYPE lt DataType gt This command defines the format of the input signal Parameters lt DataType gt Example Manual operation IQ I Q IO The input signal is filtered and resampled to the sample rate of the application Two input channels are required for each input signal one for the in phase component and one for the quadrature compo nent l The quadrature component of the input signal is filtered and resampled to the sample rate of the application If the center fre quency is not 0 the quadrature component of the input signal is down converted first Low IF Q Q The quadrature component of the input signal is filtered and resampled to the sample rate of the application If the center fre quency is not 0 the quadrature component of the input signal is down converted first Low IF Q RST IQ INP IO TYPE O See I Q Mode on page 60 INPut SELect Source This command selects the signal source for mea
37. a measurement diagram during analyzer operation All dif ferent information areas are labeled They are explained in more detail in the following sections MultiView Spectrum 12 e ipture Buffer D I 1 Toolbar 2 Channel bar 3 Diagram header 4 Result display Capture lane Frame Count I EVM vs Carre B SER i omstellation Diagram 5 Hat 5 Subwindows if more than one MIMO data stream is displayed at the same time 5 Status bar 6 Softkeys Channel bar information In the LTE measurement application the R amp S FSW shows the following settings Table 1 1 Information displayed in the channel bar in the LTE measurement application Ref Level Att Freq Mode MIMO Capture Time Frame Count Reference level Mechanical and electronic RF attenuation Frequency LTE standard Number of Tx and Rx antennas in the measurement setup Signal length that has been captured Number of frames that have been captured User Manual 1173 9386 02 05 Understanding the Display Information Selected Slot Slot considered in the signal analysis Selected Subframe Subframe considered in the signal analysis In addition the channel bar also displays information on instrument settings that affect the measurement results even though this is not immediately apparent from the display of the measured values e g transducer or trigger settings This information is dis played only when applicable for the
38. attributes and structure of the PUSCH The PUSCH structure settings are part of the Advanced Settings tab of the Signal Description dialog box Configuring UO Measurements AdvancedSettings ISCH Hopping Offse Hopping Bits PUSCH Structure Frequeney HopplnglMOde s sssccsisndcesieviacivaeerssacsseaetesadcestesaansetamaaacnaeasteateaediunesceaeinnss 53 Number of Subbands 2 incre coacti eraat ed ite reden dede 53 PUSCH Hopping Den 53 Into dv FRO PING EE 53 Frequency Hopping Mode Selects the frequency hopping mode of the PUSCH Several hopping modes are supported e None No frequency hopping e Inter Subframe Hopping PUSCH changes the frequency from one subframe to another e Intra Subframe Hopping PUSCH also changes the frequency within a subframe Remote command CONFigure LTE UL PUSCh FHMode on page 147 Number of Subbands Defines the number of subbands reserved for PUSCH For more information refer to 3GPP TS 36 211 chapter 5 5 3 2 Mapping to Physical Resources for the Sounding Reference Signal Remote command CONFigure LTE UL PUSCh NOSM on page 148 PUSCH Hopping Offset Defines the PUSCH Hopping Offset Noel The PUSCH Hopping Offset determines the first physical resource block and the maxi mum number of physical resource blocks available for PUSCH transmission if PUSCH frequency hopping is active Remote command CONFigure LTE UL PUSCh FHOFfset on page 147 Inf
39. check has failed Example CALC LIM ACP ACH RES ALL Queries the results of the adjacent channel limit check Usage Query only Manual operation See Multi Carrier ACLR on page 24 CALCulate lt n gt LIMit lt k gt ACPower ALTernate RESult lt Result gt This command queries the limit check results for the alternate channels during ACLR measurements Return values lt LimitCheck gt Returns two values one for the upper and one for the lower alternate channel PASSED Limit check has passed FAILED Limit check has failed Remote Commands to Read Limit Check Results Example CALC LIM ACP ALT RES ALL Queries the results of the alternate channel limit check Usage Query only Manual operation See Multi Carrier ACLR on page 24 CALCulate lt n gt LIMit lt k gt FAIL This command queries the limit check results for all measurements that feature a limit check Return values lt LimitCheck gt Returns two values one for the upper and one for the lower adjacent or alternate channel 0 Limit check has passed 1 Limit check has failed Example CALC LIM FAIL Queries the limit check of the active result display Usage Query only Manual operation See Multi Carrier ACLR on page 24 6 9 2 Checking Limits for Numerical Result Display CALOCulate n LIMit k SUMMary EVM ALL MAXimum RESUlt eese 124 CALOCulate n LIMit k SUMMary EVM ALL AVERage RESUIt
40. current measurement For details see the R amp S FSW Getting Started manual Window title bar information The information in the window title bar depends on the result display The Constellation Diagram for example shows the number of points that have been measured Status bar information Global instrument settings the instrument status and any irregularities are indicated in the status bar beneath the diagram Furthermore the progress of the current operation is displayed in the status bar Regarding the synchronization state the application shows the following labels e Sync OK The synchronization was successful The status bar is green e Sync Failed The synchronization was not successful The status bar is red There can be three different synchronization errors Sync Failed Cyclic Prefix The cyclic prefix correlation failed Sync Failed P SYNC The P SYNC correlation failed Sync Failed S SYNC The S SYNC correlation failed 2 Measurements and Result Displays The LTE measurement application measures and analyzes various aspects of an LTE signal It features several measurements and result displays Measurements represent differ ent ways of processing the captured data during the digital signal processing Result displays are different representations of the measurement results They may be dia grams that show the results as a graph or tables that show the results as numbers Selecting measure
41. gt RST 0 Example CONF UL SRS BSRS 1 Sets the SRS bandwidth to 1 Manual operation See SRS Bandwidth B SRS on page 50 CONFigure LTE UL SRS CSRS lt Configuration gt This command defines the SRS bandwidth configuration Csps Parameters lt Configuration gt lt numeric value gt RST 0 Example CONF UL SRS CSRS 2 Sets the SRS bandwidth configuration to 2 Manual operation See SRS BW Conf C_SRS on page 51 Remote Commands to Configure the Application CONFigure LTE UL SRS CYCS lt CyclicShift gt Sets the cyclic shift n_CS used for the generation of the sounding reference signal CAZAC sequence Parameters lt CyclicShift gt lt numeric value gt RST 0 Example CONF UL SRS CYCS 2 Sets the cyclic shift to 2 Manual operation See SRS Cyclic Shift N_CS on page 51 CONFigure LTE UL SRS ISRS lt Conflndex gt This command defines the SRS configuration index Irs Parameters lt Conflndex gt lt numeric value gt RST 0 Example CONF UL SRS ISRS 1 Sets the configuration index to 1 Manual operation See Conf Index SRS on page 51 CONFigure LTE UL SRS MUPT lt State gt This command turns SRS MaxUpPts on and off Parameters lt State gt ON OFF RST OFF Manual operation See SRS MaxUpPts on page 50 CONFigure LTE UL SRS NRRC lt FreqDomPos gt Sets the U
42. lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM GIMB RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary QOFfset MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary IQOFfset AVERage RESult This command queries the result of the UO offset limit check Return values lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM IQOF MAX RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary QUADerror MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary QUADerror AVERage RESult This command queries the result of the quadrature error limit check Return values lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated 6 10 6 10 1 Remote Commands to Configure the Application Example CALC LIM SUMM QUAD RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt
43. measurements contains settings to describe general physical characteristics of the signal you are measuring gt Press the MEAS CONFIG key gt Press the Signal Description softkey The application opens the Signal Description dialog box For more information on the LTE Mode Test Model Channel Bandwidth and Cyclic Prefix see Selecting the LTE Mode on page 37 Using Test Models on page 38 Channel Bandwidth Number of Resource Blocks on page 39 and Cyclic Prefix on page 39 ei DR TE 71 SEM Requirement Selects the type of spectrum emission mask used for the Out of Band emission mea surement The software supports general and specific additional spectrum emission masks The specific spectrum emission masks contain additional SEM requirements The addi tional requirements masks to use for the measurement depend on the network signal led value NS_03 NS_04 NS_06 or NS_07 If NS_06 or NS_07 is indicated in the cell use SEM requirement NS 06 07 Remote command SENSe POWer SEM UL REQuirement on page 173 MC ACLR Signal Description The signal description for MC ACLR measurements contain settings to describe gen eral physical characteristics of the signal you are measuring gt Press the MEAS CONFIG key P Press the Signal Description softkey Configuring Frequency Sweep Measurements The application opens the Signal Description dialog box You can configure the charac
44. name Spectrum4 INSTrument LIST This command queries all active measurement channels This is useful in order to obtain the names of the existing measurement channels which are required in order to replace or delete the channels Return values lt ChannelType gt For each channel the command returns the channel type and lt ChannelName gt channel name see tables below Tip to change the channel name use the INSTrument REName command Example INST LIST Result for 3 measurement channels ADEM Analog Demod IQ IQ Analyzer SANALYZER Spectrum Usage Query only Remote Commands to Select the LTE Application Table 6 1 Available measurement channel types and default channel names in Signal and Spectrum Analyzer mode Application lt ChannelType gt Parameter Default Channel Name Spectrum SANALYZER Spectrum 1 Q Analyzer 1Q IQ Analyzer Pulse R amp S FSW K6 PULSE Pulse Analog Demodulation ADEM Analog Demod R amp S FSW K7 GSM R amp S FSW K10 GSM GSM Multi Carrier Group Delay MCGD MC Group Delay R amp S FSW K17 Noise R amp S FSW K30 NOISE Noise Phase Noise R amp S FSW PNOISE Phase Noise K40 Transient Analysis TA Transient Analysis R amp S FSW K60 VSA R amp S FSW K70 DDEM VSA 3GPP FDD BTS BWCD 3G FDD BTS R amp S FSW K72 3GPP FDD UE R amp S FSW MWCD 3G FDD UE K73 TD SCDMA BTS BTDS TD SCDMA BTS R a
45. name extended by a sequential number is used for the new channel see INSTrument LIST on page 88 Example INST CRE SAN Spectrum 2 Adds an additional spectrum display named Spectrum 2 INSTrument CREate REPLace lt ChannelName1 gt lt ChannelType gt lt ChannelName2 gt This command replaces a measurement channel with another one Remote Commands to Select the LTE Application Parameters ChannelName1 String containing the name of the measurement channel you want to replace lt ChannelType gt Channel type of the new channel For a list of available channel types see INSTrument LIST on page 88 lt ChannelName2 gt String containing the name of the new channel Note If the specified name for a new channel already exists the default name extended by a sequential number is used for the new channel see INSTrument LIST on page 88 Example INST CRE REPL Spectrum2 IQ IQAnalyzer Replaces the channel named Spectrum2 by a new measure ment channel of type IO Analyzer named IQAnalyzer INSTrument DELete lt ChannelName gt This command deletes a measurement channel If you delete the last measurement channel the default Spectrum channel is activated Parameters lt ChannelName gt String containing the name of the channel you want to delete A measurement channel must exist in order to be able delete it Example INST DEL Spectrum4 Deletes the spectrum channel with the
46. nee 60 RF Input Functions to configure the RF input described elsewhere e Input Coupling on page 64 e Impedance on page 64 High Pass Filter WE EEN 58 VIG Preselle e EE 58 High Pass Filter 1 3 GHz Activates an additional internal high pass filter for RF input signals from 1 GHz to 3 GHz This filter is used to remove the harmonics of the R amp S FSW in order to mea sure the harmonics for a DUT for example This function requires option R amp S FSW B13 Note for RF input signals outside the specified range the high pass filter has no effect For signals with a frequency of approximately 4 GHz upwards the harmonics are suppressed sufficiently by the YIG filter Remote command INPut FILTer HPASs STATe on page 156 YIG Preselector Activates or deactivates the YIG preselector An internal YIG preselector at the input of the R amp S FSW ensures that image frequen cies are rejected However this is only possible for a restricted bandwidth In order to use the maximum bandwidth for signal analysis you can deactivate the YIG preselector at the input of the R amp S FSW which may lead to image frequency display Note that the YIG preselector is active only on frequencies greater than 8 GHz There fore switching the YIG preselector on or off has no effect if the frequency is below that value Remote command INPut FILTer YIG STATe on page 156 Digital UO Input The functionality of the Digital UO input is avail
47. of allocations form a subframe The subframes are separated by a dashed line The columns of the table contain the follwing information e Subframe Shows the subframe number e Allocation ID Shows the type ID of the allocation e Number of RB Shows the number of resource blocks assigned to the current PDSCH allocation e Offset RB Shows the resource block offset of the allocation e Modulation Shows the modulation type e Power Shows the power of the allocation in dBm e EVM Shows the EVM of the allocation The unit depends on your selection Note Contents of the Allocation Summary The number of columns shown in the Allocation Summary is variable To add or remove a column click on the header row of the table once The application opens a dialog box to select the columns which you d like to display Remote command Selecting the result display LAY ADD 1 LEFT ASUM Querying results TRACe DATA User Manual 1173 9386 02 05 17 R amp S FSW K10x LTE Uplink Measurements and Result Displays Bit Stream Starts the Bit Stream result display This result display shows the demodulated data stream for each data allocation Depending on the Bit Stream Format the numbers represent either bits bit order or symbols symbol order Selecting symbol format shows the bit stream as symbols In that case the bits belong ing to one symbol are shown as hexadecimal numbers with two digits In the case of bit format each number
48. represents one raw bit Symbols or bits that are not transmitted are represented by a If a symbol could not be decoded because the number of layers exceeds the number of receive antennas the application shows a sign 1 Bit Stream Sub Allocation Code Symbol Modulation Frame ID word Index 1l The table contains the following information e Subframe Number of the subframe the bits belong to e Allocation ID Channel the bits belong to e Codeword Code word of the allocation e Modulation Modulation type of the channels e Symbol Index or Bit Index Shows the position of the table row s first bit or symbol within the complete stream e Bit Stream The actual bit stream Remote command Selecting the result display LAY ADD 1 LEFT BSTR Querying results TRACe DATA Result Summary The Result Summary shows all relevant measurement results in numerical form com bined in one table Remote command LAY ADD 1 LEFT RSUM Contents of the result summary User Manual 1173 9386 02 05 18 R amp S FSW K10x LTE Uplink Measurements and Result Displays 4 Result Summary Frame Results 17 50 Subframe s ALL Slot s ALL Frame Results 30 30 0 29 0 30 0 28 0 29 0 30 0 27 0 28 0 31 0 25 26 65 26 05 27 29 67 10 63 11 74 13 30 02 30 02 30 02 5 76 6 21 5 35 4 Result Summary 3GPP EVM Results Limit Max 17 50 Preamble Preamble Count 2 2 0 22 0 22 26 77 27 04 127 70 127 88
49. resource blocks otherwise determined by C SRS and B SRS is reconfigured Remote command CONFigure LTE UL SRS MUPT on page 145 SRS Bandwidth B SRS Defines the parameter Bsps Bsrs is a UE specific parameter that defines the bandwidth of the SRS The SRS either spans the entire frequency bandwidth or uses frequency hopping when several narrow band SRS cover the same total bandwidth The standard defines up to four bandwidths for the SRS The most narrow SRS band width Bas 3 spans four resource blocks and is available for all channel bandwidths The other three values of Bsrs define more wideband SRS bandwidths Their availabil ity depends on the channel bandwidth Configuring UO Measurements The availability of SRS bandwidths additionally depends on the bandwidth configura tion of the SRS Css For more information refer to 3GPP TS 36 211 chapter 5 5 3 2 Mapping to Physical Resources for the Sounding Reference Signal Remote command CONFigure LTE UL SRS BSRS on page 144 Hopping BW b_hop Defines the parameter Dn Drop is a UE specific parameter that defines the frequency hopping bandwidth SRS fre quency hopping is active if Drop lt Bsrs For more information refer to 3GPP TS 36 211 chapter 5 5 3 2 Mapping to Physical Resources for the Sounding Reference Signal Remote command CONFigure LTE UL SRS BHOP on page 144 SRS Cyclic Shift N_CS Defines the cyclic shift ncs used for th
50. 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 FSW once again Analog Baseband The functionality of the Analog Baseband input is available with option R amp S FSW B71 Analog Baseband Input State terere erento tetti EENS 60 LOMO ur 60 Jul COMME UPA ON Ec A T ide 61 SWAP VO EE 61 Analog Baseband Input State Enables or disable the use of the Analog Baseband input source for measurements Analog Baseband is only available if the Analog Baseband Interface R amp S FSW B71 is installed Remote command INPut SELect on page 157 UO Mode Defines the format of the input signal For more information on UO data processing modes see the R amp S FSW l Q Analyzer and UO Input User Manual Configuring UO Measurements jQ The input signal is filtered and resampled to the sample rate of the application Two inputs are required for a complex signal one for the in phase component and one for the quadrature component Only Low IF I The input signal at the BASEBAND INPUT I connector is filtered and resampled to the sample rate of the application If the center frequency is set to 0 Hz the real baseband signal is dis played without down conversion Real Baseband l If a center frequency greate
51. slot for the following measurements Result Summary EVM vs Carrier EVM vs Symbol EVM vs Symbol x Carrier Inband Emission Channel Flatness Spectrum Flatness SRS Channel Group Delay Spec trum Flatness Difference Power vs Symbol x Carrier Constellation Diagram DFT Pre coded Constellation Diagram and Time Alignment In PRACH analysis mode you can not select a particular slot Remote command SENSe LTE SLOT SELect on page 176 Preamble Selection Selects a particular preamble for measurements that analyze individual preambles Selecting preambles is available in PRACH analysis mode Remote command SENSe LTE PREamble SELect on page 175 Evaluation Range for the Constellation Diagram The Evaluation Range dialog box defines the type of constellation points that are dis played in the Constellation Diagram By default the application displays all constellation points of the data that have been evaluated However you can filter the results by several aspects e Modulation uum AAA AAA AAA User Manual 1173 9386 02 05 76 5 2 2 5 2 3 Analyzing UO Measurements Filters the results to include only the selected type of modulation e Allocation Filters the results to include only a particular type of allocation e Symbol Filters the results to include only a particular OFDM symbol e Carrier Filters the results to include only a particular subcarrier The result dis
52. the diagram you will see that the bar may be interrupted at cer tain positions Each small bar indicates the useful parts of the OFDM symbol Remote command Selecting the result display LAY ADD 1 LEFT CBUF Querying results TRACe DATA Querying the subframe start offset FETCh SUMMary TFRame on page 120 EVM vs Carrier Starts the EVM vs Carrier result display This result display shows the Error Vector Magnitude EVM of the subcarriers With the help of a marker you can use it as a debugging technique to identify any subcarri ers whose EVM is too high The results are based on an average EVM that is calculated over the resource ele ments for each subcarrier This average subcarrier EVM is determined for each ana lyzed slot in the capture buffer E User Manual 1173 9386 02 05 10 R amp S FSW K10x LTE Uplink Measurements and Result Displays If you analyze all slots the result display contains three traces e Average EVM This trace shows the subcarrier EVM averaged over all slots e Minimum EVM This trace shows the lowest average subcarrier EVM that has been found over the analyzed slots e Maximum EVM This trace shows the highest average subcarrier EVM that has been found over the analyzed slots If you select and analyze one slot only the result display contains one trace that shows the subcarrier EVM for that slot only Average minimum and maximum values in that case are the same For more in
53. the number of subbands M of the PUSCH Parameters lt NofSubbands gt lt numeric value gt RST 4 Example CONF UL PUSC NOSM 2 Sets the number of subbands to 2 Manual operation See Number of Subbands on page 53 PUCCH Structure GONFiIgareprETEEUEIPUCOhIDESHMITL oia la 148 GONFiqurelLTE UL PUCCAFOR Matic 148 RE re EN RT Duef Me 149 GONFigure L TEEULPUCGOh N2RB ii erronee oe eruta SEENEN 149 EE Lee DEE KE ET eene Te EE 149 GONEiIgure E TEEBE PUCGCh INIS AR iiu repens eege iia ad led 150 CONFigure L TE UL PUCCh DESHift Shift This command defines the delta shift of the PUCCH Parameters Shift numeric value Range 1 to 3 RST 2 Example CONF UL PUCC DESH 3 Sets the delta shift of the PUCCH to 3 Manual operation See Delta Shift on page 55 CONFigure L TE UL PUCCh FORMat Format This command selects the PUCCH format Note that formats 2a and 2b are available for normal cyclic prefix length only Remote Commands to Configure the Application Parameters lt Format gt F1 F1 F1A Fa F1B F1b F2 F2 F2A F2a F2B F2b F3 F3 SUBF Allows you to define the PUCCH format for each subframe sepa rately with RST F1 Example CONF UL PUCC FORM F1B Sets the PUCCH format to F1B Manual operation See Format on page 55 CONFigure LTE UL PUCCh N1CS lt Nics gt This command defines the N 1 _cs of the PUCCH Parameters lt N1cs gt lt n
54. tom right The result is a comma separated list of values for each window with the syn tax lt WindowName_1 gt lt Windowlndex_1 gt lt WindowName_n gt lt Windowlndex_n gt Return values lt WindowName gt string Name of the window In the default state the name of the window is its index Windowlndex numeric value Index of the window Example LAY CAT Result VES HE ULY T Two windows are displayed named 2 at the top or left and 1 at the bottom or right Usage Query only LAYout IDENtify WINDow lt WindowName gt This command queries the index of a particular display window Working with Windows in the Display Note to query the name of a particular window use the LAYout WINDow lt n gt IDENtify query Query parameters lt WindowName gt String containing the name of a window Return values Windowlndex Index number of the window Usage Query only LAYout REMove WINDow lt WindowName gt This command removes a window from the display Parameters lt WindowName gt String containing the name of the window In the default state the name of the window is its index Usage Event LAYout REPLace WINDow lt WindowName gt lt WindowType gt This command replaces the window type for example from Diagram to Result Sum mary of an already existing window while keeping its position index and window name To add a new window use the LAYout ADD WINDow command
55. ACh HFINdicator lt HFINdicator gt This command defines the PRACH half frame indicator Parameters lt HFINdicator gt lt numeric value gt Example CONF UL PRAC HFIN 5 Selects half frame indicator 5 Manual operation See PRACH Preamble Mapping on page 57 CONFigure LTE UL PRACh NCSC Configuration This command defines the Ncs configuration for the PRACH Remote Commands to Configure the Application Parameters lt Configuration gt lt numeric value gt Example CONF UL PRAC NCSC 1 Selects Ncs configuration 1 Manual operation See Ncs Conf on page 57 CONFigure LTE UL PRACh RSEQ lt RootSeqgldx gt This command defines the PRACH logical root sequence index Parameters lt RootSeqldx gt lt numeric value gt Example CONF UL PRAC RSEO 2 Selects logical root sequence index 2 Manual operation See Logical Root Sequ Idx on page 57 CONFigure LTE UL PRACh RSET lt State gt This command turns the restricted preamble set for PRACH on and off Parameters lt State gt ON OFF RST OFF Example CONF UL PRAC RSET ON Turns the restricted set on Manual operation See Restricted Set on page 56 CONFigure L TE UL PRACh SINDex Index This command selects the PRACH sequence index Parameters Index lt IndexValue gt Number that defines the index manually AUTO Automatcailly determines the index Example CONF UL PRAC SIND 2 Selects sequence index 2 Ma
56. Bandwidth 39 Channel Estimation Range 68 Compensate DC Offset err trn nemen 69 COM Index I SSmo nte eron Return eot nes 51 Configurable Subframes 242 Delta Sequence Shift n 49 Delta Shift e ratre bs minninu A 2s 55 Ext Att s 03 Format ees zeg DO Frame Number Offset A 42 Freq Domain Kos RRE co circos sesos 52 Frequency Hopping Mode SEN Group HOPPING EE Hopping BW D e E Identity gege tadis Info in Hopping Bits multicarrier filter n DRMS N PUCCH en NOS sesenta dde adan i UIS N 2 4 RB O Aren Number of RB i Number of RBs for PUCCH 54 Number of Subbands 5 09 PHASE cnet Di Present susss e 50 PUSCH Hopping Offset sssessseee 53 eege ee e eessen 62 Rel Power 2 54 Relative Power PUCCH 48 Relative Power PUSCH AA 48 Scrambling of coded bits ee eee eeeeeeeees 69 Y Sequence Hopping SRS Bandwidth B_SRS 4 90 YIG preselector SRS BW Conf C SRS a51 Activating Deactivating e SRS Cyclic Shift NCS uiscera 51 Activating Deactivating remote SRS Subframe Conk rnt 50 SLAM ANG CE T 37 suppressed interference synchronization 69 Swap lO EE 65 TDD UL DL Allocations 39 TIMING criticas a67 Tra
57. Ch POWer lt Power gt This command sets the relative power of the PUCCH Parameters lt Power gt RST 0 Default unit DB Example CONF UL DRS PUCC POW 2 Sets the power of the PUCCH to 2 dB Manual operation See Relative Power PUCCH on page 48 CONFigure LTE UL DRS PUSCh POWer lt Power gt This command sets the relative power of the PUSCH Parameters lt Power gt RST 0 Default unit DB Remote Commands to Configure the Application Example CONF UL DRS POW 2 Sets the relative power of the PUSCH to 2 dB Manual operation See Relative Power PUSCH on page 48 CONFigure LTE UL DRS NDMRs lt nDMRS gt This command defines the npygs Parameters lt nDMRS gt lt numeric value gt Example CONF UL DRS NDMR 0 Selects npygs 0 Manual operation See n 1 DMRS on page 49 CONFigure LTE UL DRS DSSHift lt Shift gt This command selects the delta sequence shift of the uplink signal Parameters lt Shift gt lt numeric value gt RST 0 Example CONF UL DRS DSSH 3 Sets the delta sequence shift to 3 Manual operation See Delta Sequence Shift on page 49 Sounding Reference Signal CGONFigureLETEEFUIESRSUNNS T itti del er edes dt 143 CONFigure IL TEEULSRS BHOP iacet cin Force coe nee e ica ee ax de 144 EE Lee DEE ET tret En sans t deae tete ro ht nex ERR en crater than 144 CONFigure ETERULEISRSIOSES ecrire EEGENEN 144 CONROE LTE UL SRO COYOS aroni E a i EE E
58. Clear command from the control instrument to the R amp S FSW on a parallel channel to clear all currently active remote channels Depend ing on the used interface and protocol send the following commands e Visa viClear e GPIB ibcir e RSIB RSDLLibclr Now you can send the ABORt command on the remote channel performing the mea surement Example ABOR INIT IMM Aborts the current measurement and immediately starts a new one Example ABOR WAI INIT IMM Aborts the current measurement and starts a new one once abortion has been completed Usage SCPI confirmed INITiate CONTinuous State This command controls the measurement mode Note that in single measurement mode you can synchronize to the end of the mea surement with OPC OPC or WAI In continuous measurement mode synchroniza tion to the end of the measurement is not possible Thus it is not recommended that you use continuous measurement mode in remote control as results like trace data or markers are only valid after a single measurement end synchronization For details on synchronization see the Remote Basics chapter in the R amp S FSW User Manual If the measurement mode is changed for a measurement channel while the Sequencer is active see INITiate SEQuencer IMMediate on page 100 the mode is only considered the next time the measurement in that channel is activated by the Sequencer 6 6 2 Performing Measurements Parameters lt St
59. E specific parameter Freq Domain Position Ngre Parameters lt FreqDomPos gt lt numeric value gt RST 0 Example CONF UL SRS NRRC 1 Sets Ngre to 1 Manual operation See Freq Domain Pos n_RRC on page 52 Remote Commands to Configure the Application CONFigure LTE UL SRS POWer lt Power gt Defines the relative power of the sounding reference signal Parameters lt Power gt lt numeric value gt RST 0 Default unit DB Example CONF UL SRS POW 1 2 Sets the power to 1 2 dB Manual operation See SRS Rel Power on page 51 CONFigure LTE UL SRS STAT lt State gt Activates or deactivates the sounding reference signal Parameters lt State gt ON OFF RST OFF Example CONF UL SRS STAT ON Activates the sounding reference signal Manual operation See Present on page 50 CONFigure LTE UL SRS SUConfig lt Configuration gt This command defines the SRS subframe configuration Parameters lt Configuration gt lt numeric value gt RST 0 Example CONF UL SRS SUC 4 Sets SRS subframe configuration to 4 Manual operation See SRS Subframe Conf on page 50 CONFigure LTE UL SRS TRComb lt TransComb gt This command defines the transmission comb kyc Parameters lt TransComb gt lt numeric value gt RST 0 Example CONF UL SRS TRC 1 Sets transmission comb to 1 Manual operation See Transm Comb k_TC on page 52 Rem
60. ENSeILTEIULFORMatrSCH ettet tette ttt teet tns 140 CONFigure L TE UL CSUBframes lt NofSubframes gt This command selects the number of configurable subframes in the uplink signal Parameters lt NofSubframes gt Range 1 to 10 RST 1 Example CONF UL CSUB 5 Sets the number of configurable subframes to 5 CONFigure LTE UL SUBFrame lt subframe gt ALLoc CONT lt Content gt This command allocates a PUCCH or PUSCH to an uplink allocation Parameters lt Content gt NONE Turns off the PUSCH and the PUCCH PUCCh Turns on the PUCCH PUSCh Turns on the PUSCH PSCC Turns on the PUCCH as well as the PUSCH RST PUSC Example CONF UL SUBF8 ALL CONT PUCC Subframe 8 contains a PUCCH Manual operation See Enable PUCCH on page 44 See Enable PUSCH on page 44 CONFigure LTE UL SUBFrame lt subframe gt ALLoc MODulation Modulation This command selects the modulation of an uplink allocation Remote Commands to Configure the Application Parameters lt Modulation gt QPSK QAM16 QAM64 RST QPSK Example CONF UL SUBF8 ALL MOD QPSK The modulation of the allocation in subframe 8 is QPSK Manual operation See Modulation on page 45 CONFigure LTE UL SUBFrame lt subframe gt ALLoc PUCCh FORMat Format This command selects the PUCCH format for a particular subframe The command is available if you have selected PUCCH format selection on subframe
61. ETCh SUMMary SERRor MINimum FETCh SUMMary SERRor AVERage This command queries the sampling error Return values lt SamplingError gt lt numeric value gt Minimum maximum or average sampling error depending on the last command syntax element Default unit ppm Example FETC SUMM SERR Returns the current mean sampling error in ppm Usage Query only 6 8 3 Remote Commands to Read Numeric Results Manual operation See Result Summary on page 18 FETCh SUMMary TFRame This command queries the sub frame start offset as shown in the Capture Buffer result display Note that you have to select a particular subframe otherwise the command returns an error Return values lt Offset gt Time difference between the sub frame start and capture buffer start Default unit s Example FETC SUMM TFR Returns the sub frame start offset Usage Query only Manual operation See Capture Buffer on page 10 Marker Table GAL Culat sn gt DEL Tamarker MX ii idas 120 GALCulatesi gt DELTaMaRE Me y Lora ed 120 CALCU me E WEE 121 GALGulate lt n MARKe lt MS Y card acid 121 CALCulate lt n gt DELTamarker lt m gt X lt Position gt This command moves a delta marker to a particular coordinate on the x axis If necessary the command activates the delta marker and positions a reference marker to the peak power Example CALC DELT X Outputs the absolute x value of delta marker 1 CALCulate lt n gt
62. INK FACTor Factor Parameters Factor 1 to 100 PCT RST 10 Example FREQ CENT STEP LINK FACT 20PCT SENSe FREQuency OFFSet Offset This command defines a frequency offset If this value is not O Hz the application assumes that the input signal was frequency shifted outside the application All results of type frequency will be corrected for this shift numerically by the application Remote Commands to Configure the Application Note In MSRA mode the setting command is only available for the MSRA Master For MSRA applications only the query command is available Parameters lt Offset gt Range 100 GHz to 100 GHz RST 0 Hz Example FREQ OFFS 1GHZ Usage SCPI confirmed Configuring the Vertical Axis CAL Culate lt nie UNIT POWE EE 160 DISPlay WINDow lt n gt TRACe Y SCALe RLEVel cee eeececece eee cecaeeeaee ee eene eene 160 DISPlay WINDow lt n gt TRACe Y SCALe RLEVel OF FSet ececceeceeeee eee teeeeeteneeeneeeeeees 161 INPUGAT RRE 161 INPUEATT ena MON AU TO acia A A AAA AAA 161 IT COUPA DE 162 INPUEGAIN EVA Luel E 162 INPUEGAINESTATO EE 162 INPUtIMPeHAIRG ied eret aoaaa ade a er ROSEE A 163 INPUENSIBATT us iie Er o eee AA e ey eun Gee a sex Te eva ee ey ias 163 ll EATT AUTO DEE 163 INPutep x GN EE NEE 164 SENSE JADJ st LEVE osa ai 164 CALCulate lt n gt UNIT POWer lt Unit gt This command selects the unit of the y axis The uni
63. INTO MU CUO Nice 82 Remote Commands to Select the LTE ApplicatiON oooomconcccccnononennnnnnnacnccnnnnnenononons 87 General Window Comman0dQs eese eene nenne nnnnnnnnn nenne nennen 90 Working with Windows in the Display eeeerennnennnnnmnnnm nnn 91 Performing Measurements eeseseeeeeeeeeeenee nennen nnne nnn nnne nennen nennen 97 Remote Commands to Read Trace Data eee 102 Remote Commands to Read Numeric Results eene 112 Remote Commands to Read Limit Check Results eene 122 Remote Commands to Configure the Application sssss 130 User Manual 1173 9386 02 05 3 MP ucl 174 List of Commande ENEE ANNER EEN 180 WON EE 185 Starting the LTE Measurement Application 1 Welcome to the LTE Measurement Applica tion The R amp S FSW K101 and K105 are firmware applications that add functionality to per form measurements on LTE signals according to the 3GPP standard to the R amp S FSW This user manual contains a description of the functionality that the application pro vides including remote control operation All functions not discussed in this manual are the same as in the base unit and are described in the R amp S FSW User Manual The latest version is available for down
64. L OBAN 10 Selects operating band 10 Manual operation See Operating Band Index on page 41 MIMO Configuration CONFigure LTELUL Ile EE e E 136 CONFigure LTE UL MIMO ASELection lt Antenna gt This command selects the antenna for measurements with MIMO setups Parameters lt Antenna gt ANT1 ANT2 ANT3 ANT4 Select a single antenna to be analyzed ALL Select all antennas to be analyzed Example CONF UL MIMO ASEL ANT2 Selects antenna 2 to be analyzed Manual operation See MIMO Configuration on page 42 Remote Commands to Configure the Application Subframe Configuration CONFigure LTE UL CSUBframes cceccceeceenecececeeneeecaeenaaeeeaenensneeeneeeeeaeeeeeeeeseneneaananeae 137 CONFigure L TE UL SUBFrame subframe ALLOoc CONT esesessesssse eene 137 CONFigure L TE UL SUBtrame subframez ALL ocMODulation 137 CONFigure L TE UL SUBFrame ssubframe ALLoc PUCCh FORMat eese 138 CONFigure L TE UL SUBFrame subframe ALLoc PUCCh NPAR sese 138 CONFigure L TE UL SUBtrame subframez ALL ocbUScChCGEield nenene nnenne 139 CONFigure L TE UL SUBFrame ssubframe ALLoc PUSCh NDMRS eee 139 CONFiourel LTE UL SUBtrame subframez ALL ochRATO 139 CONFigure L TE UL SUBtrame subtramez ALL ochRBCoumt 139 CONFigure L TE UL SUBFrame subframe ALLoc RBOFfset sse 140 SENSeJ L TE UL DEMOd ACON ccceetet ttt tete tette teens 140 IS
65. M SUMM EVM SDQP RES Queries the limit check Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM SDSF AVERage RESult This command queries the results of the EVM limit check of all PUSCH DMRS resource elements with a 64QAM modulation Return values lt LimitCheck gt Example Usage FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated CALC LIM SUMM EVM SDSF RES Queries the limit check Query only Remote Commands to Read Limit Check Results CALCulate lt n gt LIMit lt k gt SUMMary EVM SDST AVERage RESult This command queries the results of the EVM limit check of all PUSCH DMRS resource elements with a 16QAM modulation Return values lt LimitCheck gt FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM SDST RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM UCCD AVERage RESult This command queries the results of the EVM limit check of all PUCCH DMRS resource elements Return values lt LimitCheck gt FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM UCCD RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM UCCH AVERage RESult
66. New vertical or horizontal position of the splitter as a fraction of the screen area without channel and status bar and softkey menu The point of origin x 0 y 0 is in the lower left corner of the screen The end point x 100 y 100 is in the upper right cor ner of the screen See figure 6 1 The direction in which the splitter is moved depends on the screen layout If the windows are positioned horizontally the splitter also moves horizontally If the windows are positioned vertically the splitter also moves vertically Range 0 to 100 Example LAY SPL 1 3 50 Moves the splitter between window 1 Frequency Sweep and 3 Marker Table to the center 50 of the screen i e in the fig ure above to the left User Manual 1173 9386 02 05 95 Working with Windows in the Display Example LAY SPL 1 4 70 Moves the splitter between window 1 Frequency Sweep and 3 Marker Peak List towards the top 70 of the screen The following commands have the exact same effect as any combination of windows above and below the splitter moves the splitter vertically AY SPL 3 2 70 AY SPL 4 1 70 AY SPL 2 1 70 LAYout WINDow lt n gt ADD lt Direction gt lt WindowType gt This command adds a measurement window to the display Note that with this com mand the suffix n determines the existing window next to which the new window is added as opposed to LAYout ADD WINDow for which the ex
67. OFF unscrambled bits scrambled bits Scrambling pay Scrambling par Fig 4 1 Source for bitstream results if scrambling for coded bits is on and off Remote command SENSe LTE UL DEMod CBSCrambling on page 170 Suppressed Interference Synchronization Turns suppressed interference synchronization on and off 4 3 4 3 1 Configuring Frequency Sweep Measurements If active the synchronization on signals containing more than one user equipment UE is more robust Additionally the EVM is lower in case the UEs have different frequency offsets Note that Auto Demodulation is not supported in this synchronization mode and the EVM may be higher in case only one UE is present in the signal Remote command SENSe LTE UL DEMod SISYnc on page 171 Multicarrier Filter Turns the suppression of interference of neighboring carriers on and off Remote command SENSe LTE UL DEMod MCFilter on page 171 Configuring Frequency Sweep Measurements After starting one of the frequency sweep measurements the application automatically loads the configuration required by measurements according to the 3GPP standard the spectral mask as defined in the 3GPP standard for SEM measurements and the channel configuration defined in the standard for the ACLR measurement If you need a different measurement configuration you can change all parameters as required Except for the dialog box decrib
68. ONFigure ETEEUL CABW ttt t tret rr rte tne t eren ree e rn tl rp nr d e eee ia 172 CONFigure LTE UL e TE 137 GONFigureELTEEUL G de EE 133 CONFigur LTELULIDRAS ADCC iii SEENEN ENEE te 141 CONFigure E TEPULDRS DSSEIft sacaste ia dite ESSERE 143 GONFigureELTEEUL DRS GRPEoOpping racine rn eer err tert reet rere 142 CONFigure E TEFULDRS NDMRS tret rette tr dne three en nt tagen 143 CONFigurer a RTE WC le Re 142 CONFigure LTE UL DRS SEQHopping CONFigure LTE UL DRS PUSCh POWer CONFigure LTE UL MIMO ASELection CONFigurelLTEFUE PEC COD iuris ti CONFigure ERETFULPEG GIDGEOUp 2 rere ptite reve den riprende e ete crece eue CONFig re ETEEULEPE G PLID irre ots otto eer etaed donec nce ota oed ber cte sed p Pose a Samen EES UK EE ERT CONFigure LTE UL PRACh CONF CONFig re ETEEUEPRAGBh EORFS6Lt ici perenne tecto bei c eni d edd ti GONFigureEETETFUEPRAGCHFRINGOX 1er itta ete ritate naked rire ra vere ee la CONFigure LTE UL PRACK HFINGICAO Rs cscs gece tti hee A e hv ctp cete 151 CONFig re ETEEUEPRAGRBNGSGO eed rented cesi ee ce e tt teni d ed aue sua odds eoa 151 SEIT UH RE E EK TE DEE 152 GONFig rerETETEULEPRAGCHh RSET irte tete nai ene m etus ad iia eo puer uo lobe A CONFigure LTE UL PRACh SINDex CONFigureEETEEUL PUGGHh DESH ifI s icio tette ptr iere reet Erst t tte Le edet tgp CONFigure LTE UL PUCCH RE eieiei UI RR TEL Ger e ph le CONFigure ETEFULPUCCHN2RB iia Ed e E eaa GONFigure E
69. Physical Layer Cell Identity on page 40 CONFigure LTE UL PLC PLID Identity This command selects the physical layer identity for uplink signals Parameters lt Identity gt AUTO Automatic selection 0 2 Manual selection RST AUTO Example CONF DL PLC PLID 2 Sets the physical layer identity to 2 CONF DL PLC PLID AUTO Physical layer ID is selected automatically Manual operation See Configuring the Physical Layer Cell Identity on page 40 CONFigure LTE UL TDD SPSC lt Configuration gt This command selects the special subframe configuration for LTE uplink signals Parameters lt Configuration gt lt numeric value gt Example CONF UL TDD SPSC 2 Selects special subframe configuration 2 Remote Commands to Configure the Application Manual operation See Configuring TDD Frames on page 39 CONFigure LTE UL TDD UDConf lt Configuration gt This command selects the UL DL TDD subframe configuration for uplink signals Parameters lt Configuration gt Range 0 to 6 RST 0 Example CONF UL TDD UDC 4 Selects allocation configuration number 4 Manual operation See Configuring TDD Frames on page 39 MMEMory LOAD DEModsetting lt Path gt This command restores previously saved demodulation settings The file must be of type allocation and depends on the link direction that was cur rently selected when the file was saved You can load only files with correct link direc tions
70. R amp S9FSW K10x LTE Uplin m LTE Uplink Measurement Application User Manual L Points Measure Meastine Auto ECL m Sege ALL Frame Result Hu DES s Hysteresis aes 031 028 i Frequency Error H 026 7 275 ptr ampling Error ppm E HEP OO B 3 7101 1Q Gain Imbalance d IQ Quadrature Error Power dBm Crest Factor dB 1173 9386 02 05 Test amp Measurement ROHDE amp SCHWARZ User Manual This manual applies to the following R amp S9FSW models with firmware version 2 00 and higher e R amp S9 FSWS 1312 8000K08 e R amp S FSW13 1312 8000K13 e R amp S FSW26 1312 8000K26 e R amp S FSW43 1312 8000K43 e R amp S FSW50 1312 8000K50 e R amp S FSW67 1312 8000K67 The following firmware options are described e R amp S FSW K101 LTE FDD UL 1313 1551 02 e R amp S FSW K105 LTE TDD UL 1313 1580 02 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 change 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 S9FSW is abbreviated as R amp S FSW R amp S FSW K10x LTE Uplink Contents 2 1 2 2 3 1 3 2 3 3 3 4 4 1
71. RACe Y SCALe MINimum esses 177 DISPlay WINDow n TRACe Y SCALe AUTO ONCE Automatic scaling of the y axis is performed once then switched off again Usage SCPI confirmed Manual operation See Y Axis Scale on page 77 DISPlay WINDow lt n gt TRACe Y SCALe MAXimum Value This command defines the maximum value of the y axis for the selected result display Parameters Value numeric value RST depends on the result display The unit and range depend on the result display Example DISP TRAC Y MIN 60 DISP TRAC Y MAX 0 Defines the y axis with a minimum value of 60 and maximum value of 0 Manual operation See Y Axis Scale on page 77 DISPlay WINDow lt n gt TRACe Y SCALe MINimum Value This command defines the minimum value of the y axis for the selected result display 6 11 3 Analysis Parameters lt Value gt lt numeric value gt RST depends on the result display The unit and range depend on the result display Example DISP TRAC Y MIN 60 DISP TRAC Y MAX 0 Defines the y axis with a minimum value of 60 and maximum value of 0 Manual operation See Y Axis Scale on page 77 Result Settings CAL Culate MARKernCOUPIIGAG DE 178 IBI Ip en KE 178 UNIT e c 178 EIE 179 CALCulate MARKer COUPling State This command couples or decouples markers in different r
72. RT Terre S nic etn rnt te tn n hen n ren e AR 167 RRE Ee E ne RE Bel TRIGger SEQuence SOURce UNIT BS Ricos A A A A a E EA NEA UNIT e UNITE EE Index A AC DC COMPING i a Eed 64 ACLR Allocation SUMMARY eus scorre cr pe tarn tret evene oie 17 Analog Baseband B71 flag ups Input type remote control Auto Demodulation Auto Detection Cell Identity seee B Bit Stream ooi cent evt Ere Mee oras 18 C Capture Butter iti e rper ep tgo dee tert 10 Capture Tite itv oci pee ia 65 CODE mE 16 ier oe 40 Cell Identity Group iiis treten tet rez 40 Channel Bandwidth E 39 Channel Estimation Range esee 68 Channel flatness group delay isisisi 15 Closing Channels remote miccional 88 Windows remote 94 97 Compensate DC Offset A 69 Configurable Subframes 42 Configuration Table 5 rrt n 42 Constellation diagram 2 eterne 16 Constellation Selection tenen 76 Conventions SGPl commands err metn tre 82 Copying Measurement channel remote ss 87 Coupling Input reimote eene t eds 162 D Demodulation Reference Signal Delta Seque rnce Sisa 49 Group HOPPING caca 48 nDRMS ts wee 49 Relative Power PUCCH Relative Power PUSCH 48 SEQUENCE HOPPING scenes erede ber te teas 48 Differential input Analog Baseband B71 remote control
73. S FSW26 or higher 30 dB All other values are rounded to the nearest of these two RST OFF Example INP GAIN VAL 30 Switches on 30 dB preamplification Usage SCPI confirmed Manual operation See Preamplifier option B24 on page 63 INPut GAIN STATe lt State gt This command turns the preamplifier on and off The command requires option R amp S FSW B24 Remote Commands to Configure the Application Parameters lt State gt ON OFF RST OFF Example INP GAIN STAT ON Switches on 30 dB preamplification Usage SCPI confirmed Manual operation See Preamplifier option B24 on page 63 INPut IMPedance Impedance This command selects the nominal input impedance of the RF input 75 Q should be selected if the 50 O input impedance is transformed to a higher impe dance using a matching pad of the RAZ type 25 Q in series to the input impedance of the instrument The power loss correction value in this case is 1 76 dB 10 log 750 500 Parameters Impedance 50 75 RST 50 Q Example INP IMP 75 Usage SCPI confirmed Manual operation See Impedance on page 64 INPut lt n gt EATT lt Attenuation gt This command defines the electronic attenuation level If the current reference level is not compatible with an attenuation that has been set manually the command also adjusts the reference level This command is available with option R amp S FSW B25 but not if R amp S FSW B17 is active Par
74. Selects a spectrum emission mask with requirement for network signalled value NS3 Manual operation See SEM Requirement on page 71 Analysis e Evaluation RANGE iio lin cdi ne ae ese eet 174 EE 177 e RESU Settings o nere diit esit re pei oes EG a FEE E ete daa 178 Evaluation Range SENSe EETE AELocationSELgl iore enun p opui averse ca ta Ran ERE nt e Led ege 174 SENSe EETEEGCARRierSELect 2 cione eerie d exec atat od reed 175 SENSe EETEEMOBDulatigniSELegl 2 ccna dese rete ttr ey tee one tee no o eee 175 SENSe ETEFPREamble SELol ecrire treinete tere ona parant a tmi Sr RE Fe iaia ia 175 SENSE TESEO SELEG aai tol ila e aere ta LL dad rb eda er ux ERR 176 SENSe EETEESUBFEame SELgeel 4 2 icone cocci ee tepore vrbe vv dde Pe LER REP ar 176 SENSSe EETEESYMBOLSELEBGL EE 177 SENSe LTE ALLocation SELect Allocation This command filters the displayed results in the constellation diagram by a particular type of allocation Parameters Allocation ALL Shows the results for all allocations numeric value Shows the results for a particular allocation type Allocation types are mapped to numeric values For the code assignment see chapter 6 7 1 18 Return Value Codes on page 110 RST ALL Example ALL SEL 2 Shows the results for PDSCH allocation 2 Analysis Manual operation See Evaluation Range for the Cons
75. TRACE3 LIST Example TRAC2 TRACE1 Queries results of the second measurement window The type of data that is returned by the parameter TRACE1 depends on the result display shown in measurement window 2 Usage Query only Remote Commands to Read Measurement Results CAL Culate nzM AbkerzmFUNGCHon POWer RE Gud CUpRRent 111 FORMa EDINN 112 CALCulate lt n gt MARKer lt m gt FUNCtion POWer RESult CURRent lt ResultType gt This command queries the current results of the ACLR measurement or the total signal power level of the SEM measurement To get a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This is only possible for single sweeps Suffix lt m gt 1 Query parameters lt ResultType gt CPOW This parameter queries the channel power of the reference range Remote Commands to Read Numeric Results Return values lt Result gt SEMResults Power level in dBm ACLRResults Relative power levels of the ACLR channels The number of return values depends on the number of transmission and adja cent channels The order of return values is e lt TXChannelPower gt is the power of the transmission channel in dBm e LowerAdjChannelPowers is the relative power of the lower adjacent channel in dB e lt UpperAdjChannelPower gt is the relative power of the upper adjacent channel in dB e lt 1stLowerAltChannelPower
76. UPling on page 155 Connected Instrument Displays the status of the Digital Baseband Interface connection If an instrument is connected the following information is displayed e Name and serial number of the instrument connected to the Digital Baseband Inter face e Used port 4 2 10 3 Configuring UO Measurements e Sample rate of the data currently being transferred via the Digital Baseband Inter face e Level and unit that corresponds to an l Q sample with the magnitude 1 Full Scale Level if provided by connected instrument Remote command INPut DIQ CDEVice on page 153 DiglConf Starts the optional R amp S DiglConf application This softkey is available in the In Output menu but only if the optional software is installed Note that R amp S DiglConf requires a USB connection not LAN from the R amp S FSW to the R amp S EX IQ BOX in addition to the Digital Baseband Interface R amp S FSW B17 connection R amp S DiglConf version 2 20 360 86 Build 170 or higher is required To return to the R amp S FSW application press any key on the front panel The R amp S FSW application is displayed with the Input Output menu regardless of which key was pressed 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
77. _PUCCH PUCCH Format Selects the PUCCH format for the selected subframe Configuring UO Measurements Available only if you have selected Per Subframe for the Format Remote command n PUCCH CONFigure LTE UL SUBFrame subframe ALLoc PUCCh NPAR on page 138 Format CONFigure LTE UL SUBFrame subframe ALLoc PUCCh FORMat on page 138 4 2 4 Defining Global Signal Characteristics The global settings contain settings that apply to the complete signal The global signal settings are part of the Advanced Settings tab of the Signal Description dialog box AdvancedSettings Global Settings Frame Number Offset Frame Number OfiS Ot cuina dE AER AR 47 VE IDn CH HE 47 Frame Number Offset Defines a frame number offset for the analyzed frame The frame number offset assigns a number to the demodulated frame in order to iden tify it in a series of transmitted and captured frames Remote command CONFigure LTE UL SFNO on page 141 UE ID n_RNTI Sets the radio network temporary identifier RNTI of the UE Remote command CONFigure LTE UL UEID on page 141 4 2 5 Configuring the Demodulation Reference Signal The demodulation reference signal DRS settings contain settings that define the physical attributes and structure of the demodulation reference signal This reference signal helps to demodulate the PUSCH The demodulation reference signal settings are part of the Advanced Settings tab of the Signa
78. a dBm gt relative power in dBc limit distance in dB limit check result gt lt reserved gt lt reserved gt The limit check result is either a 0 for PASS or a 1 for FAIL Return Value Codes This chapter contains a list for encoded return values allocation ID Represents the allocation ID The value is a number in the range 1 70 e 1 Reference symbol e 0 Data symbol e 1 Invalid e 40 PUSCH e 41 DMRS PUSCH e 42 SRS PUSCH e 50 PUCCH e 51 DMRS PUCCH e 70 PRACH lt channel type gt e 0 TX channel e 1 adjacent channel e 2 alternate channel lt codeword gt Represents the codeword of an allocation The range is 0 6 e 0 1 1 e 1 1 2 e 2 2 2 e 3 1 4 e 4 2 4 e 5 3 4 e 6 4 4 modulation Represents the modulation scheme The range is 0 8 e 0 unrecognized e 1 RBPSK e 2 QPSK e 3 16QAM 6 7 2 Remote Commands to Read Trace Data e 4 64QAM e 5 8PSK e 6 PSK e 7 mixed modulation e 8 BPSK number of symbols or bits In hexadecimal mode this represents the number of symbols to be transmitted In binary mode it represents the number of bits to be transmitted TRACe lt n gt DATA Result This command returns the trace data for the current measurement or result display For more information see chapter 6 7 1 Using the TRACe DATA Command on page 102 Query parameters lt TraceNumber gt TRACE1 TRACE2
79. a surement menu The application enters the SmartGrid configuration mode For more information on the SmartGrid functionality see the R amp S FSW Getting Started In the default state of the application it shows several conventional result displays e Capture Memory e EVM vs Carrier e Power Spectrum 1 Q Measurements e Result Summary e Constellation Diagram From that predefined state add and remove result displays as you like Numeric result displays O The application allows you to customize the number of columns for some numeric result displays for example the Allocation Summary To change the displayed columns tap somewhere in the header row of the table The application opens a dialog box to add or remove columns Displayed Columns Subframe Modulation Allocation ID Power dBm No of RBs EVM offset RB Performing measurements By default the application measures the signal continuously In Continuous Sweep mode the application captures and analyzes the data again and again The amount of data depends on the capture time I Q measurements or the sweep time frequency sweep measurements In Single Sweep mode the application stops measuring after it has captured the data once The amount of data again depends on the capture time or the sweep time You can also repeat a measurement based on the data that has already been captured with the Refresh function This is useful if you want to apply differen
80. a shortcut to select the measurement type Configuring UO Measurements Note that the Overview dialog box for frequency sweep measurement is similar to that of the Spectrum mode For more information refer to the documentation of the R amp S FSW To configure settings P Select any button in the Overview to open the corresponding dialog box Select a setting in the channel bar at the top of the measurement channel tab to change a specific setting Preset Channel Select the Preset Channel button in the lower lefthand corner of the Overview to restore all measurement settings in the current channel to their default values Note that the PRESET key on the front panel restores the entire instrument to its default values and thus closes all measurement channels on the R amp S FSW except for the default Spectrum application channel Remote command SYSTem PRESet CHANnel EXECute on page 131 Specifics for The measurement channel may contain several windows for different results Thus the settings indicated in the Overview and configured in the dialog boxes vary depending on the selected window Select an active window from the Specifics for selection list that is displayed in the Overview and in all window specific configuration dialog boxes The Overview and dialog boxes are updated to indicate the settings for the selected window 4 2 Configuring UO Measurements e Defining Signal Charact
81. able with option R amp S FSW B17 Configuring UO Measurements Digital e Biet 59 PU SAM e EE 59 Full Seale Level cuand id ia 59 Adjust Reference Level to Full Scale Level eren 59 ICOMMECHSd WI Een 59 aig EEUU 60 Digital UO Input State Enables or disable the use of the Digital IQ input source for measurements Digital IQ is only available if the Digital Baseband Interface R amp S FSW B17 is installed Remote command INPut SELect on page 157 Input Sample Rate Defines the sample rate of the digital UO signal source This sample rate must corre spond with the sample rate provided by the connected device e g a generator If Auto is selected the sample rate is adjusted automatically by the connected device The allowed range is from 100 Hz to 10 GHz Remote command INPut DIQ SRATe on page 155 INPut DIQ SRATe AUTO on page 156 Full Scale Level The Full Scale Level defines the level and unit that should correspond to an UO sam ple with the magnitude 1 If Auto is selected the level is automatically set to the value provided by the connec ted device Remote command INPut DIQ RANGe UPPer on page 155 INPut DIQ RANGe UPPer UNIT on page 155 INPut DIQ RANGe UPPer AUTO on page 154 Adjust Reference Level to Full Scale Level If enabled the reference level is adjusted to the full scale level automatically if any change occurs Remote command INPut DIQ RANGe CO
82. age 133 R amp S FSW K10x LTE Uplink Analysis 9 Analysis e Configuring Tables Numerical Results 74 e Analyzing VQ Measurements cdm tec ada was 74 e Analyzing Frequency Sweep Measurements sese 80 5 1 Configuring Tables Numerical Results The application allows you to customize the number of columns for some numeric result displays for example the Allocation Summary gt Tap somewhere in the header row of the table 4 Allocation Summary Sub Allocation Offset n PATO ID No of RBs RB Modulation The application opens a dialog box to add or remove columns Displayed Columns Subframe Modulation Allocation ID Power dBm v EIN e Eyaluauon Range sss ioo doi E riled 74 dE A E E E E A E EE E E E a e a TT dili o s de Le EE 77 E TEE 79 5 2 1 Evaluation Range The evaluation range defines the signal parts that are considered during signal analy sis User Manual 1173 9386 02 05 74 Analyzing UO Measurements slobal Subframe Selection Constellation Diagram Modulation Allocation Symbol Codeword Codeword Location After MIMO CDMA Decoder Beamforming Antenna Port Subftame SCL EE 75 DIOL SEIS O 76 Preamble Seleccion iii dice 76 Evaluation Range for the Constellation Diaoram eee 76 Subframe Selection Selects a particular subframe whose results the application displays You can select a particular subframe for the following measuremen
83. ains predefined test models as defined by 3GPP Predefined test models are supported in downlink mode e User Defined The User Defined tab contains functionality to manage custom test models Custom test models are supported in downlink and uplink mode To create a custom test model describe a signal as required and then save it via the Test Models dialog box Here you can also restore custom test models and delete ones you do not need anymore Predefined test models E TM In case of downlink signals the 3GPP standard TS 36 141 already defines several EUTRA test models E TM for specific test scenarios These test models are split into three main groups E TM1 E TM2 and E TM3 and are defined by the following char acteristics single antenna port single code word single layer and no precoding duration of one frame normal cyclic prefix localized virtual resource blocks no intra subframe hopping for PDSCH UE specific reference signal not used The data content of the physical channels and signals are defined in the 3GPP stand ard Each E TM is defined for for all bandwidths defined in the standard 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz 20 MHz Table 4 1 Test scenarios for E TM as defined by 3GPP e E TM1 1 BS output power Unwanted emissions Transmitter intermodulation RS absolute accuracy e E TM12 ACLR Operating band unwanted emissions e E TM2 Total power dynamic range lower OFDM symbol power limit
84. all subframes If you are analyzing a particular subframe it returns nothing 6 7 1 10 Constellation Diagram For the Constellation Diagram the command returns two values for each constellation point lt I SFO Sym0 Carrier1 gt lt Q SFO Sym0 Carrier1 gt lt I SFO Sym0 Carrier n gt Q SFO SymO Car rier n gt lt I SFO Sym1 Carrier1 gt lt Q SFO Sym1 Carrier1 gt lt I SFO Sym1 Carrier n gt Q SFO Sym1 Car rier n gt lt I SFO Sym n Carrier1 gt lt Q SFO Sym n Carrier1 gt lt I SFO Sym n Carrier n gt Q SFO Sym n Carrier n gt lt I SF1 Sym0 Carrier1 gt lt Q SF1 Sym0 Carrier1 gt lt I SF1 Sym0 Carrier n gt Q SF 1 SymO Car rier n gt I SF1 Sym1 Carrier1 lt Q SF1 Sym1 Carrier1 gt lt I SF1 Sym1 Carrier n gt lt Q SF1 Sym1 Car rier n gt lt I SF n Sym n Carrier1 gt lt Q SF m Sym n Carrier1 gt lt I SF n Sym n Carrier n gt lt Q SF n Sym n Carrier n gt With SF subframe and Sym symbol of that subframe The and Q values have no unit The number of return values depends on the constellation selection By default it returns all resource elements including the DC carrier The following parameters are supported e TRACE1 Returns all constellation points included in the selection e TRACE2 Returns the constellation points of the reference symbols
85. ameters lt Attenuation gt Attenuation level in dB Default unit dB Example INP EATT 10 Defines an attenuation level of 10 dB Manual operation See Attenuating the Signal on page 63 INPut lt n gt EATT AUTO lt State gt This command turns automatic selection of the electronic attenuation on and off If on electronic attenuation reduces the mechanical attenuation whenever possible Remote Commands to Configure the Application This command is available with option R amp S FSW B25 but not if R amp S FSW B17 is active Parameters lt State gt ON OFF RST OFF Example INP EATT AUTO ON Turns automatic selection of electronic attenuation level on Manual operation See Attenuating the Signal on page 63 INPut lt n gt EATT STATe lt State gt This command turns the electronic attenuator on and off This command is available with option R amp S FSW B25 but not if R amp S FSW B17 is active Parameters lt State gt ON OFF RST OFF Example INP EATT STAT ON Turns the electronic attenuator on Manual operation See Attenuating the Signal on page 63 SENSe ADJust LEVel This command initiates a single internal measurement that evaluates and sets the ideal reference level for the current input data and measurement settings This ensures that the settings of the RF attenuation and the reference level are optimally adjusted to the signal level
86. and half frame indicator are available in TDD mode Remote command CONFigure LTE UL PRACh APM on page 150 CONFigure LTE UL PRACh FRINdex on page 151 CONFigure LTE UL PRACh HFINdicator on page 151 Ncs Conf Selects the Ncs configuration i e determines the Ncs value set according to TS 36 211 table 5 7 2 2 and 5 7 2 3 Remote command CONFigure LTE UL PRACh NCSC on page 151 Logical Root Sequ Idx Selects the logical root sequence index The logical root sequence index is used to generate preamble sequences It is provi ded by higher layers Remote command CONFigure LTE UL PRACh RSEQ on page 152 Sequence Index v Defines the sequence index v The sequence index controls which of the 64 preambles available in a cell is used If you select the Auto menu item the software automatically selects the required sequence index Remote command CONFigure LTE UL PRACh SINDex on page 152 4 2 10 4 2 10 1 4 2 10 2 Configuring UO Measurements Selecting the Input and Output Source The application supports several input sources and outputs For a comprehensive description of the supported inputs and outputs please refer also to the documentation of the R amp S FSW base unit EE Dd sdestacssinebes 58 e Digtal VO PUE e E 58 e Analog Baseband sse eee
87. ansmit On Off Power measurement Example CONF MEAS ACLR Selects the ACLR measurement Manual operation See ACLR on page 22 See Spectrum Mask on page 23 See Multi Carrier ACLR on page 24 MMEMory LOAD IQ STATe lt Path gt This command restores l Q data from a file Setting parameters lt Path gt String containing the path and name of the source file Example MMEM LOAD IQ STAT C R_S Instr user data ig tar Loads UO data from the specified file Usage Setting only SYSTem PRESet CHANnel EXECute This command restores the default instrument settings in the current channel Use INST SEL to select the channel Example INST Spectrum2 Selects the channel for Spectrum2 SYST PRES CHAN EXEC Restores the factory default settings to the Spectrum2 channel Usage Event Manual operation See Preset Channel on page 36 6 10 2 6 10 2 1 Remote Commands to Configure the Application Configuring UO Measurements e Signal DESCUPUON ir a 132 TINUE en EE 153 e SIN CAMI E 164 LEER nri coccion Aa 169 amp EEN 171 Signal Description e Sighal e Te EE 132 e MIMO COMIGUIATON ee rectc NENNEN EEN Reni bn En 136 Sukam CONQUE 137 e Global nde E 141 e Demodulation Reference Signall 2 c c ccceeeseetccteeeeseccdeneaseecsnneeestcnaneeeedbbaeds 141 e Sounding Meel E 143 e PUSCH SIT UGlUFQ iii iis ed Ra 147 ere Ee 148 utile DEE DEENS DEES Ar 150 Signa
88. arse kJ oarse channel estimation Fine timing Integer CFO estimation Bis ne Coarse CFO i gei Nea Lu Detection oarse timing o c Err FO estimation hoarse Full Ry bcarrier eM de Tracking Des estimation fosse SFO CFO CPE E H demapping Channe Astine data symbols 1 estimation amp 1 H interpolation H H a J ecision e Full compensation CPE fine Fine channel estimation estimation me Rn fine Customize d ustomized compensation compensation gt Equalization em SFO CFO CPE CP Hu Hu Fig 3 1 Block diagram for the LTE UL measurement application IDFT zu Synchronization In a first step the areas of sufficient power are identified within the captured UO data stream which consists of the receive samples r For each area of sufficient power the analyzer synchronizes on subframes of the uplink generic frame structure 3 After this coarse timing estimation the fractional part as well as the integer part of the carrier fre quency offset CFO are estimated and compensated In order to obtain an OFDM demodulation via FFT of length Nee that is not corrupted by ISI a fine timing is estab lished which refines the coarse timing estimate A phase tracking based on the reference SC FDMA symbols is performed in the fre quency domain The corresponding tracking estimation block provides estimates for e therelative sam
89. at min power EVM of single 64QAM PRB allocation at min power Frequency error at min power e 6E TM3 1 Output power dynamics Transmitted signal quality frequency error and EVM for 64QAM modulation at max power e E TM32 Transmitted signal quality Frequency error EVM for 16QAM modulation e E TM3 3 Transmitted signal quality Frequency error EVM for QPSK modulation Configuring UO Measurements Channel Bandwidth Number of Resource Blocks Specifies the channel bandwidth and number of resource blocks RB The channel bandwidth and number of resource blocks RB are interdependent Cur rently the LTE standard recommends six bandwidths see table below The application also calculates the FFT size sampling rate occupied bandwidth and occupied carriers from the channel bandwidth Those are read only Sample Rate MHz 1 92 3 84 7 68 15 36 30 72 30 72 FFT Size 128 256 512 1024 2048 2048 For more information about configuring aggregated carriers for MC ACLR measure ments see Carrier Aggregation on page 72 The application shows the currently selected LTE mode including the bandwidth in the channel bar Remote command CONFigure LTE UL CC cci BW on page 133 Cyclic Prefix The cyclic prefix serves as a guard interval between OFDM symbols to avoid interfer ences The standard specifies two cyclic prefix modes with a different length each The cyclic prefix mode defines the numbe
90. ate gt ON OFF 0 1 ON 1 Continuous measurement OFF 0 Single sweep RST 1 Example INIT CONT OFF Switches the measurement mode to single measurement INIT CONT ON Switches the measurement mode to continuous measurement INITiate IMMediate This command starts a single new measurement You can synchronize to the end of the measurement with OPC OPC or WAI For details on synchronization see the Remote Basics chapter in the R amp S FSW User Manual SENSe L TE OOPower ATIMing This command adjusts the timing for On Off Power measurements Example OOP ATIM Adjusts the On Off Power timing Usage Event SENSe SYNC STATe This command queries the current synchronization state Return values lt State gt The string contains the following information A zero represents a failure and a one represents a successful synchronization Example SYNC STAT Would return e g 1 for successful synchronization Usage Query only Measurement Sequences INITiate SEO WencermABOR EE 100 INITlate GEOuencer IMMediate eene nnnn nnns na sns nh nsns nn snas a4n 100 IN TIate SEQuencerMODIE EEN 100 SY TemSEQuent init 101 Performing Measurements INITiate SEQuencer ABORt This command stops the currently active sequence of measurements The Sequencer itself is not deactivated so you can start a new sequence immediately using INITiate SEQuencer IMMediate on page 100 To deactivate the Seque
91. ation Summary ed artistas 17 bit stream ss capture TE 10 e 16 channel flatness grdel 4 15 constellation EVM vs carrier EVM vS et LEE 12 EVM vs symbol 4 d inband emission Dk MC ACLR 24 numerical 18 powWer SDeCclFUm asii 12 result SUMMARY eo rnc ii 18 Spectrum flalness siari eei e idc erento 14 spectrum flatness difference SEES spectrum flatness SRS 14 SDGCIFUIi mask osassa erret toca daa 23 Measurement channel Creating remote seii mee t 87 Deletirig remote uicit ctt oe a 88 Duplicating POMOTE 5 2 crier e rire 87 Querying remote 88 Renaming remote 90 Replacirig remote ec e cet e te 87 Modulation Inverted IG ui ect t ires 61 Multicarrier filter error a 70 N Number of RB 1 rtt aera catt etna irren Edge 39 Numerical results ooooococcnonocococnncconononcnnnnncnonononononononnnnno 18 O Options High pass filter Di 58 156 Preamplifier B24 senes 63 P PRASE EMOT creen ct tee erre e eyed oia oda 67 Power SPOCHUIMN E 12 Preamplifier SONG ever 63 cip 63 Presetting Ghannels n rates ovre ert 36 PUCCH Structure Della Shift irte rode e epa a veran 55 ONAL ctu A 55 N PUCCH m 55 N 1 cs 54 N 2 RB masones 2 05 Number of RBs for PUCGCH teet 54 PUSCH Structure Freq
92. basis with CONFigure LTE UL PUCCh FORMat Parameters lt Format gt F1N F1 normal F1S F1 shortened F1AN F1a normal F1AS F1a shortened F1BN F1b normal F1BS F1b shortened F2 F2 F2A F2a F2B F2b F3 F3 Example CONF UL SUBF4 ALL PUCC FORM F3 Selects format F3 for the PUCCH in subframe 4 Manual operation See Enhanced PUCCH Configuration on page 46 CONFigure LTE UL SUBFrame lt subframe gt ALLoc PUCCh NPAR lt Parameter gt This command defines N_PUCCH on a subframe basis The command is available if CONFigure 1LTE UL PUCCh NPAR on page 150 is turned on Parameters lt Parameter gt lt numeric value gt Example CONF UL SUBF ALL PUCC NPAR 2 Sets N_PUCCH to 2 Manual operation See Enhanced PUCCH Configuration on page 46 Remote Commands to Configure the Application CONFigure LTE UL SUBFrame lt subframe gt ALLoc PUSCh CSField lt CyclicShiftField gt This command defines the cyclic shift field of the demodulation reference signal Available if CONFigure LTE UL DRS AOCC has been turned on Parameters lt CyclicShiftField gt Range 0 to 7 RST 0 Example CONF UL SUBF ALL PUSC CSF 4 Defines cyclic shift field 4 Manual operation See Enhanced Demodulation Reference Signal Configuration on page 46 CONFigure LTE UL SUBFrame lt subframe gt ALLoc PUSCh NDMRs lt PuschNDMRS gt This command defines the part of the DMRS index that is used
93. bcarrier ET ANVAN Pw E Wi SPA 2e 005 200 Carrier Number Remote command UNIT CAXes on page 178 Subwindow Coupling Couples or decouples result display tabs subwindows If the coupling is on and you select another tab in a result display the application auto matically selects the same tab for all result displays Subwindow coupling is available for measurements with multiple data streams MIMO Marker Coupling Couples or decouples markers that are active in multiple result displays When you turn this feature on the application moves the marker to its new position in all active result displays When you turn it off you can move the markers in different result displays independent from each other Remote command CALCulate MARKer COUPling on page 178 5 2 4 Markers Markers are available for most of the I Q measurement result displays and for the fre quency sweep measurements The functionality setting and positioning is the same as in Spectrum mode SSS gt a User Manual 1173 9386 02 05 79 Analyzing Frequency Sweep Measurements Markers in result displays with a third aspect In result displays that have a third dimension EVM vs Symbol x Carrier etc you can position a marker on a particular symbol in a particular carrier When you activate a marker you can select the symbol and carrier you want to posi tion the marker on Alternatively you can define the marker position in the Mar
94. c are the same for both clusters Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc RATO on page 139 Enhanced Demodulation Reference Signal Configuration Configures the Demodulation Reference Signal in individual subframes Cyclic Shift Field n 2 _ DMRS Defines the part of the demodulation reference signal index that is part of the uplink scheduling assignment Thus this part of the index is valid for corresponding UE and subframe only The index applies when multiple shifts within a cell are used It is used for the calcula tion of the DMRS sequence Cyclic Shift Field If Activate DMRS With OCC is on the Cyclic Shift Field becomes available to define the cyclic shift field The Cyclic Shift Field is signalled by the PDCCH downlink channel in DCI format 0 and 4 It selects n 2 DMRS and the orthogonal sequence OCC for signals according to LTE release 10 If the Cyclic Shift Field is off the demodulation reference signal is configured by the n 2 DMRS parameter Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc PUSCh NDMRs on page 139 CONFigure LTE UL SUBFrame lt subframe gt ALLoc PUSCh CSField on page 139 Enhanced PUCCH Configuration Configures the PUSCH in individual subframes Format n_PUCCH Defines the n PUCCH parameter for the selected subframe Available only if you have selected Per Subframe for the N
95. cessisse nennen nri 114 FEPCh SUMMary EVMUSOPEAWVERagel ati ntt tote cett eerte rc 115 FETCh SUMMary EVM USSF AVERage icit et rennen nutu nera 115 FETCh SUMMary EVM USST AVERage cessere no nn 115 FETCh SUMMary EVM SDQP AVERage This command queries the EVM of all DMRS resource elements with QPSK modula tion of the PUSCH Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM SDOP Returns the EVM of all DMRS resource elements with QPSK modulation Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM SDSF AVERage This command queries the EVM of all DMRS resource elements with 64QAM modula tion of the PUSCH Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM SDSF Returns the maximum EVM of all DMRS resource elements with 64QAM modulation Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM SDST AVERage This command queries the EVM of all DMRS resource elements with 16QAM modula tion of the PUSCH Remote Commands to Read Numeric Results Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM SDST Returns
96. cifi cation of the electronic attenuator for it to work For both methods the application provides automatic detection of the ideal attenu ation level Alternatively you can define the attenuation level manually The range is from O dB to 79 dB RF attenuation or 30 dB electronic attenuation in 1 dB steps For more information on attenuating the signal see the manual of the R amp S FSW The application shows the attenuation level mechanical and electronic in the channel bar Remote command RF attenuation INPut ATTenuation on page 161 RF attenuation INPut ATTenuation AUTO on page 161 Electronic attenuation INPut lt n gt EATT STATe on page 164 Electronic attenuation INPut lt n gt EATT AUTO on page 163 Electronic attenuation INPut lt n gt EATT on page 163 Preamplifier option B24 If option R amp S FSW B24 is installed a preamplifier can be activated for the RF input signal You can use a preamplifier to analyze signals from DUTs with low input power For R amp S FSW 26 or higher models the input signal is amplified by 30 dB if the pream plifier is activated For R amp S FSW 8 or 13 models the following settings are available off Deactivates the preamplifier 15 dB The RF input signal is amplified by about 15 dB Configuring UO Measurements 30 dB The RF input signal is amplified by about 30 dB Remote command INPut GAIN STATe on page 162 INPut GAIN VALue on page 162 Input Coup
97. currently in the capture buffer The application shows the current frame count in the channel bar Configuring UO Measurements br mz Frame Count 1 of i 1 B Remote command SENSe LTE FRAMe COUNt STATe on page 165 Auto According to Standard Turns automatic selection of the number of frames to capture and analyze on and off If active the R amp S FSW evaluates the number of frames as defined for EVM tests in the LTE standard If inactive you can set the number of frames you want to analyze This parameter is not available if the overall frame count is inactive Remote command SENSe LTE FRAMe COUNt AUTO on page 165 Number of Frames to Analyze Sets the number of frames that you want to capture and analyze If the number of frames you have set last longer than a single sweep the R amp S FSW continues the measurement until all frames have been captured The parameter is read only if e the overall frame count is inactive e the data is captured according to the standard Remote command SENSe LTE FRAMe COUNt on page 165 4 2 13 Triggering Measurements The trigger functionality of the LTE measurement application is the same as that of the R amp S FSW For a comprehensive description of the available trigger settings see the documentation of the R amp S FSW Note that some trigger sources available in Spectrum mode are not available in the LTE application Note also that the Preview and Ga
98. d PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Remote Commands to Read Limit Check Results Example CALC LIM SUMM EVM USSF RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM USST AVERage RESult This command queries the results of the EVM limit check of all PUSCH resource ele ments with a 16QAM modulation Return values lt LimitCheck gt FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM USST RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary FERRor MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary FERRor AVERage RESult This command queries the result of the frequency error limit check Return values lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM SERR RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary GIMBalance MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary GIMBalance AVERage RESult This command queries the result of the gain imbalance limit check Remote Commands to Read Limit Check Results Return values
99. de settings define the expected level characteristics of the signal at the RF input Amplitude Defining a Reference Level cuina dde ibid ii 62 AMS MUSUNIG he MA oir 63 Preamplifier option B34 nooo nocconnccnnnccnncnrcn anna rra rn 63 Input ee rel EE 64 Jnieripge P 64 Defining a Reference Level The reference level is the power level the analyzer expects at the RF input Keep in mind that the power level at the RF input is the peak envelope power in case of signals with a high crest factor like LTE To get the best dynamic range you have to set the reference level as low as possible At the same time make sure that the maximum signal level does not exceed the refer ence level If it does it will overload the A D converter regardless of the signal power Measurement results may deteriorate e g EVM This applies especially for measure ments with more than one active channel near the one you are trying to measure 6 MHz Note that the signal level at the A D converter may be stronger than the level the appli cation displays depending on the current resolution bandwidth This is because the resolution bandwidths are implemented digitally after the A D converter You can specify the reference level in several units and define an arithmetic level off set A level offset is useful if the signal is attenuated or amplified before it is fed into the analyzer All displayed power l
100. depend on the set of options you have installed option FSx K100 PC enables testing of 3GPP LTE FDD signals on the downlink option FSx K101 PC enables testing of 3GPP LTE FDD signals on the uplink option FSx K102 PC enables testing of 3GPP LTE MIMO signals on the downlink option FSx K104 PC enables testing of 3GPP LTE TDD signals on the downlink option FSx K105 PC enables testing of 3GPP LTE TDD signals on the uplink FDD and TDD are duplexing methods e FDD mode uses different frequencies for the uplink and the downlink e TDD mode uses the same frequency for the uplink and the downlink Downlink DL and Uplink UL describe the transmission path e Downlink is the transmission path from the base station to the user equipment The physical layer mode for the downlink is always OFDMA e Uplink is the transmission path from the user equipment to the base station The physical layer mode for the uplink is always SC FDMA The application shows the currently selected LTE mode including the bandwidth in the channel bar Remote command Link direction CONFigure LTE LDIRection on page 133 Duplexing mode CONFigure LTE DUPLexing on page 132 Configuring UO Measurements Using Test Models Test models are descriptions of LTE signals that you can use for particular test scenar ios The Test Models dialog box contains functionality to select manage and create test models e Specification The Specification tab cont
101. diate 6 10 2 4 Remote Commands to Configure the Application Example TRIG SOUR EXT Selects the external trigger input as source of the trigger signal Demodulation SENSeIEETEEUEDEMoedg ATTSlGlS i ar teet rae eim mn ree ead dea 169 SENSe LTE UL DEMOd MODE sescsessescsesesscssecscsesecesscsssevavsesacavsesesavansteasaneveeaceeesees 169 SENSE LTETUL DEMOd GES TIMANOMN omo 169 SENSe L TE UL DEMod EEPeriod esses nnne nanaii 170 SENSAJLTEFUE DEMoOd COCOS dad ausu add rtt dere reete etre otto tede eed 170 SENSe EETEEUE DEMed GBSCratiblilig 2 2 cun atit etn crono nca riada 170 SENSeJ L TE UL DEMod SISYnc eccentric 171 ISENSeIEETEFUL DENMIGg de TEE 171 SENSe LTE UL DEMod ATTSlots State This command includes or excludes the transient slots present after a switch from downlink to uplink in the analysis Parameters lt State gt ON OFF Example UL DEM ATTS ON Includes the transient slots in the analysis Manual operation See Analyze TDD Transient Slots on page 69 SENSe LTE UL DEMod MODE lt Reference gt This command selects the uplink analysis mode Parameters lt Reference gt PUSCh Analyzes the PUSCH and PUCCH PRACh Analyzes the PRACH RST PUSCh Example UL DEM MODE PRAC Selects PRACH analysis mode Manual operation See Analysis Mode on page 68 SENSe LTE UL DEMod CESTimatio
102. djacent or Alternate Channel CA AAA AAA SU Ut User Manual 1173 9386 02 05 22 R amp S FSW K10x LTE Uplink Measurements and Result Displays e Bandwidth Shows the bandwidth of the channel e Spacing Shows the channel spacing e Lower Upper Shows the relative power of the lower and upper adjacent and alternate channels e Limit Shows the limit of that channel if one is defined 2 Result Summary EUTRA LTE Square RRC Channel Bandwidth Offset Power T ef 13 500 MHz 13 56 dBm 13 56 dBm pper Lower 41 48 dB 41 66 dB 67 74 dB 67 62 dB Remote command Selecting the result display CONF MEAS ACLR Querying results CALCulate lt n gt MARKer lt m gt FUNCtion POWer RESult CURRent TRACe DATA Spectrum Mask Starts the Spectrum Emission Mask SEM result display The Spectrum Emission Mask measurement shows the quality of the measured signal by comparing the power values in the frequency range near the carrier against a spec tral mask that is defined by the 3GPP specifications In this way you can test the per formance of the DUT and identify the emissions and their distance to the limit In the diagram the SEM is represented by a red line If any measured power levels are above that limit line the test fails If all power levels are inside the specified limits the test is passed The application labels the limit line to indicate whether the limit check has passed or failed The x axis represent
103. ds or events and request information query commands Some commands can only be used in one Way others work in two ways setting and query If not indicated otherwise the com mands can be used for settings and queries The syntax of a SCPI command consists of a header and in most cases one or more parameters To use a command as a query you have to append a question mark after the last header element even if the command contains a parameter A header contains one or more keywords separated by a colon Header and parame ters are separated by a white space ASCII code 0 to 9 11 to 32 decimal e g blank If there is more than one parameter for a command these are separated by a comma from one another Only the most important characteristics that you need to know when working with SCPI commands are described here For a more complete description refer to the User Manual of the R amp S FSW Remote command examples Note that some remote command examples mentioned in this general introduction may not be supported by this particular application 6 2 1 Conventions used in Descriptions Note the following conventions used in the remote command descriptions e Command usage If not specified otherwise commands can be used both for setting and for querying parameters If a command can be used for setting or querying only or if it initiates an event the usage is stated explicitely e Parameter usage If not specified oth
104. e generation of the SRS CAZAC sequence Because the different shifts of the same Zadoff Chu sequence are orthogonal to each other applying different SRS cyclic shifts can be used to schedule different UE to simultaneously transmit their SRS Remote command CONFigure LTE UL SRS CYCS on page 145 SRS Rel Power Defines the power of the SRS relative to the power of the corresponding UE Psprs os set The effective power level of the SRS is calculated as follows Psns Pue Psns ottset The relative power of the SRS is applied to all subframes Remote command CONFigure LTE UL SRS POWer on page 146 SRS BW Conf C SRS Defines the bandwidth configuration of the SRS The bandwidth configuration is a cell specific parameter that in combination with the SRS bandwidth and the channel bandwidth defines the length of the souunding refer ence signal sequence For more information on the calculation refer to 3GPP TS 36 211 chapter 5 5 3 Sounding Reference Signal Remote command CONFigure LTE UL SRS CSRS on page 144 Conf Index SRS Defines the configuration index of the SRS Configuring UO Measurements The configuration index legs is a cell specific parameter that determines the SRS perio dicity Tsrs and the SRS subframe offset Tofset The effects of the configuration index on Tsrs and T ofrse depends on the duplexing mode For more information refer to 3GPP TS 36 213 Table 8 2 1 FDD and 8 2 2 TDD
105. e iR i 159 SENSE FREQUENCYZOR FSC Lancaster ice 159 SENSe FREQuency CENT er CC lt cci gt OF F Seb miii ia 173 SENSe FREQuency GENTer OC CO iriiria tor rere Rhin ht ether tr nord ee dais 158 SENSeEPOWer AGChanneLAAGHantriel cere eo peus so risa opas eere d eru 173 SENSeEPOWer SEM UL REQuitermieht 11er rrr rre per eer nne e E s 173 SENSe SWAPiq SENSe SWEep TIME EIER KREE 99 SENSe E TETAbLocation SE Lect eroe ote entr t rrr reir nre err e rn hne rnt rh nre 174 SENSe EETEEGARRIG SELGGE camita 175 SENSe EETEEFERAMe COUNLE iret tette tenebre br et tpe rece to de cp E EH 165 EISE DE Ne ele i E Ee DEE 165 SENSe LTE FRAMe COUNt STATe 165 SENSe LTE MOBD ulatio n SEL6CL 2 terrre ter tr cene eene rer teg reni Dres 175 SENSe E TE OOPOower ATIMing 322 in een rer tn exu econtra rt trt iras SENSe B BLUE EP REAMDIS S EC Ct i SENSeJ ELTE SFLatness ECONdItIONS vecinas cucesteseedue deter AE ente EISE ER DEE SENSE ETE SLOT SELSCE urraca tidad SENSe LTE SUBFrame SELect SENSE LTE SYMBOL SEL EEN SENS LTE FUE DEMOJ ACON SENSe EETEEUL DEMOG ATTSIOLE cusco SENSe LTE UL DEMod CBSCrambling SENSe FETE FUL DEMGG C OOlSBE 5 acerca reete eensensqecqensaeeashst EE EER EEEIEE IEY SENSe EL TE UL DEMod CESTIMALNON DEE SENSe EETETFULE DEMOGEEPOLiIOG i orto rs eran SENSe EETEEUESDEMOGMGEIllet ciere ee
106. e inphase and quadrature phase results and is an indicator of the quality of the modulation of the signal In the default state the result display evaluates the full range of the measured input data You can filter the results by changing the evaluation range 5 Constellation Diagram Points Measured 840 The constellation diagram also contains information about the current evaluation range In addition it shows the number of points that are displayed in the diagram Remote command Selecting the result display LAY ADD T LEFT CONS Querying results TRACe DATA CCDF Starts the Complementary Cumulative Distribution Function CCDF result display This result display shows the probability of an amplitude exceeding the mean power For the measurement the complete capture buffer is used The x axis represents the power relative to the measured mean power On the y axis the probability is plotted in 96 mum EP gt ee User Manual 1173 9386 02 05 16 R amp S FSW K10x LTE Uplink Measurements and Result Displays 1 Clrw Remote command Selecting the result display LAY ADD 1 LEFT CCDF Querying results TRACe DATA Allocation Summary Starts the Allocation Summary result display This result display shows the results of the measured allocations in tabular form 4 Allocation Summary Sub Allocation Offset A Power A No of RBs RB Modulation dBm The rows in the table represent the allocations A set
107. e settings are part of the Signal Capture tab of the Trigger Signal Capture dialog box Configuring UO Measurements Signal Capture common Settinas Sample Rate 15 36 MHz Capture Time Swap IQ Frame Subframe Count Overall Frame Count On According to Standard Set Number of Frames to Analyze Manually Number of Frames to Analyze Max Number of Subframes per Frame to Analyze Capture Time Defines the capture time The capture time corresponds to the time of one sweep Hence it defines the amount of data the application captures during one sweep By default the application captures 20 1 ms of data to make sure that at least one complete LTE frame is captured in one sweep The application shows the current capture time in the channel bar Capture Time 20 1 ms Remote command SENSe SWEep TIME on page 166 Swap UO Swaps the real I branch and the imaginary Q branch parts of the signal Remote command SENSe SWAPi q on page 166 Overall Frame Count Turns the manual selection of the number of frames to capture and analyze on and off If the overall frame count is active you can define a particular number of frames to capture and analyze The measurement runs until all required frames have been ana lyzed even if it takes more than one sweep The results are an average of the cap tured frames If the overall frame count is inactive the R amp S FSW analyzes all complete LTE frames
108. ected LTE bandwidth The following parameters are supported e TRACE1 Returns the average power over all subframes e TRACE2 Returns the minimum power found over all subframes If you are analyzing a partic ular subframe it returns nothing e TRACE3 Returns the maximum power found over all subframes If you are analyzing a par ticular subframe it returns nothing Channel Flatness SRS For the Channel Flatness SRS result display the command returns one value for each trace point lt relative power gt The unit is always dB The following parameters are supported e TRACE1 Returns the average power over all subframes e TRACE2 Returns the minimum power found over all subframes If you are analyzing a partic ular subframe it returns nothing e TRACE3 Returns the maximum power found over all subframes If you are analyzing a par ticular subframe it returns nothing Remote Commands to Read Trace Data 6 7 1 9 Channel Group Delay For the Channel Group Delay result display the command returns one value for each trace point lt group delay gt The unit is always ns The number of values depends on the selected LTE bandwidth The following parameters are supported e TRACE1 Returns the average group delay over all subframes e TRACE2 Returns the minimum group delay found over all subframes If you are analyzing a particular subframe it returns nothing e TRACE3 Returns the maximum group delay found over
109. ed below the measurement configuration menus for the frequency sweep measurements are the same as in the Spectrum appli cation Please refer to the User Manual of the R amp S FSW for a detailed description on how to configure ACLR and SEM measurements e ACER Signal DESCAPUON rain a 70 e SEM Signal DESC PUOW qeria ao 71 e MG ACLR Signal Description cocina oed e nhe 71 ACLR Signal Description The signal description for ACLR measurements contains settings to describe general physical characteristics of the signal you are measuring gt Press the MEAS CONFIG key P Press the Signal Description softkey The application opens the Signal Description dialog box For more information on the LTE Mode Test Model and Channel Bandwidth see Selecting the LTE Mode on page 37 Using Test Models on page 38 and Channel Bandwidth Number of Resource Blocks on page 39 Assumed Adjacent Channel EE 71 4 3 2 4 3 3 Configuring Frequency Sweep Measurements Assumed Adjacent Channel Carrier Selects the assumed adjacent channel carrier for the ACLR measurement The supported types are EUTRA of same bandwidth 1 28 Mcps UTRA 3 84 Mcps UTRA and 7 68 Mcps UTRA Note that not all combinations of LTE Channel Bandwidth settings and Assumed Adj Channel Carrier settings are defined in the 3GPP standard Remote command SENSe POWer ACHannel AACHannel on page 173 SEM Signal Description The signal description for SEM
110. ed frame FETCh SUMMary EVM ALL AVERage on page 116 Shows the EVM for all physical channel resource elements in the analyzed frame A physical channel corresponds to a set of resource elements carrying infor mation from higher layers PUSCH PUCCH and PRACH are physical chan nels For more information see 3GPP 36 211 FETCh SUMMary EVM PCHannel AVERage on page 117 R amp S FSW K10x LTE Uplink Measurements and Result Displays EVM Phys Signal Frequency Error Sampling Error UO Offset UO Gain Imbalance UO Quadrature Error Power Crest Factor Marker Table Shows the EVM for all physical signal resource elements in the analyzed frame The reference signal is a physical signal For more information see 3GPP 36 211 FETCh SUMMary EVM PSIGnal AVERage on page 117 Shows the difference in the measured center frequency and the reference center frequency FETCh SUMMar y FERRor AVERage on page 117 Shows the difference in measured symbol clock and reference symbol clock relative to the system sampling rate FETCh SUMMar y SERRor AVERage on page 119 Shows the power at spectral line O normalized to the total transmitted power FETCh SUMMar y IQOFfset AVERage on page 118 Shows the logarithm of the gain ratio of the Q channel to the I channel FETCh SUMMary GIMBalance AVERage on page 118 Shows the measure of the phase angle between Q channel and I channel devia
111. ee UE ID n RNTI on page 47 Demodulation Reference Signal CONFig reDETEEUEDRSIIAGOG caa rutru et gen one ad 141 CONFigure E TEEUL DRS GRPHoODDpIng eiie no o ooo autori ini rode eres 142 CONFigure L TET UL DRS SEQHopping esses nennen nnn 142 CONFigurep t FEI EI EEN audaces aper Aa 142 GONFigure E TEEULE DRSEPUSChEBONWgr 2 aoc dae 142 CONFigure ETE UL DRSINDMRS sii rrt t geegent 143 GEES E TESS DS Socios connectar actina 143 CONFigure LTE UL DRS AOCC lt State gt This command turns the configuration of the demodulation reference signal on a sub frame basis via the Cyclic Field Shift on and off Parameters lt State gt ON OFF Remote Commands to Configure the Application Example CONF UL DRS AOCC ON Turns Activate DMRS with OCC on Manual operation See Activate DMRS With OCC on page 49 CONFigure LTE UL DRS GRPHopping lt State gt This command turns group hopping for uplink signals on and off Parameters lt State gt ON OFF RST OFF Example CONF UL DRS GRPHopping ON Activates group hopping Manual operation See Group Hopping on page 48 CONFigure LTE UL DRS SEQHopping lt State gt This command turns sequence hopping for uplink signals on and off Parameters lt State gt ON OFF RST OFF Example CONF UL DRS SEQH ON Activates sequence hopping Manual operation See Sequence Hopping on page 48 CONFigure LTE UL DRS PUC
112. el automat ically if the full scale level changes This command is only available if the optional Digital Baseband Interface R amp S FSW B17 is installed Parameters lt State gt ON OFF RST OFF Manual operation See Adjust Reference Level to Full Scale Level on page 59 INPut DIQ RANGe UPPer lt Level gt Defines or queries the Full Scale Level i e the level that corresponds to an I Q sam ple with the magnitude 1 This command is only available if the optional Digital Baseband Interface R amp S FSW B17 is installed Parameters lt Level gt lt numeric value gt Range 1pV to 7 071 V RST 1V Manual operation See Full Scale Level on page 59 INPut DIQ RANGe UPPer UNIT lt Unit gt Defines the unit of the full scale level See Full Scale Level on page 59 The availa bility of units depends on the measurement application you are using This command is only available if the optional Digital Baseband Interface R amp S FSW B17 is installed Parameters lt Level gt VOLT DBM DBPW WATT DBMV DBUV DBUA AMPere RST Volt Manual operation See Full Scale Level on page 59 INPut DIQ SRATe lt SampleRate gt This command specifies or queries the sample rate of the input signal from the Digital Baseband Interface R amp S FSW B17 see Input Sample Rate on page 59 Parameters lt SampleRate gt Range 1 Hz to 10 GHz RST 32 MHz Example INP DIQ SRAT 200 MHz Remo
113. ement Frequency sweep measurements are available if RF input is selected lH ici cb 22 Spec TUM EE 23 Mult Camme ACR Dm 24 ACLR Starts the Adjacent Channel Leakage Ratio ACLR measurement The ACLR measurement analyzes the power of the transmission TX channel and the power of the two neighboring channels adjacent channels to the left and right of the TX channel Thus the ACLR measurement provides information about the power in the adjacent channels as well as the leakage into these adjacent channels The x axis represents the frequency with a frequency span that relates to the specified EUTRA LTE channel and adjacent channel bandwidths On the y axis the power is plotted in dBm By default the ACLR settings are based on the selected LTE Channel Bandwidth You can change the assumed adjacent channel carrier type and if required customize the channel setup to your needs For more information see the documentation of the R amp S FSW 1Rm Clrw 1001 pts Span 36 1 MHz The power for the TX channel is an absolute value in dBm The power of the adjacent channels are values relative to the power of the TX channel In addition the ACLR measurement results are also tested against the limits defined by 3GPP In the diagram the limits are represented by horizontal red lines ACLR table A table above the result display contains information about the measurement in numer ical form e Channel Shows the channel type TX A
114. ence signal SRS settings contain settings that define the physical attributes and structure of the sounding reference signal The sounding reference signal settings are part of the Advanced Settings tab of the Signal Description dialog box AdvancedSettings Sounding Reference Signal Configuring UO Measurements O A T EE 50 SRS Sublr ame EE 50 SRS MaxU e 50 SRS Bandwidth E 50 FOP PING BEW MOP E 51 SRS Cydie SKIN N NEE 51 SROROIPOWO Rutina dialers 51 SRS BW GConf Doo Roatan E A a 51 COM 3E IL EE 51 Transm eeng TI da AA A 52 Fred Domain Pos n Reegele caacananeaceana SEET 52 AN SRS SIMUANCIUIS TA TER 52 Present Includes or excludes the sounding reference signal SRS from the test setup Remote command CONFigure LTE UL SRS STAT on page 146 SRS Subframe Conf Defines the subframe configuration of the SRS The subframe configuration of the SRS is specific to a cell The UE sends a shortened PUCCH PUSCH in these subframes regardless of whether the UE is configured to send an SRS in the corresponding subframe or not Remote command CONFigure LTE UL SRS SUConfig on page 146 SRS MaxUpPts Turns the parameter srs MaxUpPts on and off srs MaxUpPts controls the SRS transmission in the UpPTS field in TDD systems If on the SRS is transmitted in a frequency range of the UpPTS field that does not over lap with resources reserved for PRACH preamble 4 transmissions To avoid an overlap the number of SRS
115. ency error gt Remote Commands to Read Trace Data The unit is always Hz The following parameters are supported e TRACE1 6 7 1 15 Inband Emission For the Inband Emission result display the number and type of returns values depend on the parameter e TRACE1 Returns the relative resource block indices x axis values lt RB index gt The resource block index has no unit e TRACE2 Returns one value for each resource block index lt relative power gt The unit of the relative inband emission is dB e TRACE3 Returns the data points of the upper limit line lt limit gt The unit is always dB Note that you have to select a particular subframe to get results 6 7 1 16 Power Spectrum For the Power Spectrum result display the command returns one value for each trace point lt power gt The unit is always dBm Hz The following parameters are supported e TRACE1 6 7 1 17 Spectrum Emission Mask For the SEM measurement the number and type of returns values depend on the parameter e TRACE1 Returns one value for each trace point lt absolute power gt The unit is always dBm e LIST Returns the contents of the SEM table For every frequency in the spectrum emis sion mask it returns 11 values lt index gt lt start frequency in Hz gt lt stop frequency in Hz gt lt RBW in Hz gt lt limit fail frequency in Hz gt lt absolute power in 6 7 1 18 Remote Commands to Read Trace Dat
116. ente rt dl oa 151 GONFigure L TEEDLEPRAGChIRSEQ 2 2 terere net neat n duc ea quet ENEE AER EER 152 EE L DEE KE TE en E WEE 152 CONFiourel LTE UL PRACh SiNDex eee nere nth eh enne nennen nn nsns nnns nnns 152 CONFigure LTE UL PRACh APM State This command turns automatic preamble mapping for the PRACH on and off Parameters State ON OFF Example CONF UL PRAC APM ON Turns automatic preamble mapping on Manual operation See PRACH Preamble Mapping on page 57 Remote Commands to Configure the Application CONFigure LTE UL PRACh CONF lt Configuration gt This command selects the PRACH preamble format Parameters lt Configuration gt lt numeric value gt Example CONF UL PRAC CONF 2 Selects PRACH configuration 2 Manual operation See PRACH Configuration on page 56 CONFigure LTE UL PRACh FOFFset Offset This command defines the PRACH frequency offset The command is available for preamble formats 0 to 3 Parameters lt Offset gt Resource block offset Example CONF UL PRAC FOFF 5 Defines a frequency offset of 5 resource blocks Manual operation See Frequency Offset on page 57 CONFigure LTE UL PRACh FRINdex lt FRINdex gt This command selects the PRACH frequency index Parameters lt FRINdex gt lt numeric value gt Example CONF UL PRAC FRIN 10 Selects the frequency index 10 Manual operation See PRACH Preamble Mapping on page 57 CONFigure LTE UL PR
117. equencies It is some where in between the two carrier frequencies The measurement frequency is dis played at the bottom of the diagram area CF 809 225 MHz Selecting the channel bandwidths of each carrier is possible in two ways e Predefined bandwidth combinations Select a typical combination of channel bandwidths from the dropdown menu Configuring Frequency Sweep Measurements This way you just have to define the center frequency of the first carrier The appli cation calculates the rest of the frequency characteristics e User Defined Select User Defined from the dropdown menu to test a system with channel bandwidths not in the list of predefined combinations When you select a user defined combination you can select the channel band width for each carrier from the Bandwidth dropdown menus The diagram at the bottom of the dialog box represents the current configuration When you change the bandwidth of a carrier represented by blue bars the applica tion adjusts the bandwidth of the carriers in the diagram accordingly The characteris tics of the neighboring channels are defined in 3GPP 36 251 Remote command Carrier frequency SENSe FREQuency CENTer CC lt cci gt on page 158 Measurement frequency SENSe FREQuency CENTer Offset SENSe FREQuency CENTer CC cci OFFSet on page 173 Channel bandwidth CONFigure LTE UL CABW on page 172 Channel bandwidth CONFigure LTE UL CC cci BW on p
118. eristics cene cette terere kara 37 Configunng Bet 41 e Configuring et 42 e Defining Global Signal Characteristics cocinan 47 e Configuring the Demodulation Reference Gong 47 e Configuring the Sounding Reference Signal sse 49 e Doinng the PUSGH ET 52 e Defining the PUCCH SIFUGLUEO oo eee ca ceci io med code 54 e Defining the PRACH STUCUTS idee tr ex eter n RE ds 56 e Selecting the Input and Output Source 58 e Defining Level Characteristios erc ate eem ce id 62 Configuring the Data Caplio oa 64 e Triggering Measurements ceceeceiee enitn eet ethernet tnn Ene drin Enna de e 66 LEBI e E 67 e Signal Demodulatioti 2 i eie AA 68 4 2 1 Configuring UO Measurements Defining Signal Characteristics The general signal characteristics contain settings to describe the general physical attributes of the signal They are part of the Signal Description tab of the Signal Description dialog box Signal Description selecting the LTE Mode eerte e tetuer tenni i ene Eee ac 37 Using Test ModS iveco 38 Channel Bandwidth Number of Resource Blocks 39 e eme EET 39 Contiguring TDO Benn 39 Configuring the Physical Layer Cell Identity coco 40 Operating Band nie 41 Exirome le Lion p RR OR 41 Selecting the LTE Mode The standard defines the LTE mode you are testing The choices you have
119. erwise a parameter can be used to set a value and it is the result of a query Parameters required only for setting are indicated as Setting parameters 6 2 2 6 2 3 Introduction Parameters required only to refine a query are indicated as Query parameters Parameters that are only returned as the result of a query are indicated as Return values e Conformity Commands that are taken from the SCPI standard are indicated as SCPI con firmed All commands used by the R amp S FSW follow the SCPI syntax rules e Asynchronous commands A command which does not automatically finish executing before the next com mand starts executing overlapping command is indicated as an Asynchronous command e Reset values RST Default parameter values that are used directly after resetting the instrument RST command are indicated as RST values if available e Default unit This is the unit used for numeric values if no other unit is provided with the parame ter e Manual operation If the result of a remote command can also be achieved in manual operation a link to the description is inserted Long and Short Form The keywords have a long and a short form You can use either the long or the short form but no other abbreviations of the keywords The short form is emphasized in upper case letters Note however that this emphasis only serves the purpose to distinguish the short from the long form in the manual For the instrument the case doe
120. esult displays to each other Parameters State ON OFF Example CALC MARK COUP ON Couples the markers to each other Manual operation See Marker Coupling on page 79 UNIT BSTR lt Unit gt This command selects the way the bit stream is displayed Parameters lt Unit gt SYMbols Displays the bit stream using symbols BITs Displays the bit stream using bits RST SYMbols Example UNIT BSTR BIT Bit stream gets displayed using Bits Manual operation See Bit Stream Format on page 78 UNIT CAXes lt Unit gt This command selects the scale of the x axis for result displays that show subcarrier results Analysis Parameters lt Unit gt CARR Shows the number of the subcarriers on the x axis HZ Shows the frequency of the subcarriers on the x axis Example UNIT CAX HZ Selects frequency scale for the x axis Manual operation See Carrier Axes on page 78 UNIT EVM lt Unit gt This command selects the EVM unit Parameters lt Unit gt DB EVM results returned in dB PCT EVM results returned in 96 RST PCT Example UNIT EVM PCT EVM results to be returned in 96 Manual operation See EVM Unit on page 78 List of Commands SENSO JADJUStLEVeL ciar iria iO 164 SENSE FREQUENCY CENT Cle STEP ocaso ete 159 SENSe FREQU ncy CENTOr STEP ANK ctt teure a EENS Eed 159 SENSe FREQ e ncy CENT er STEP EINK EAGTOF ciconia i pc
121. evel results will be shifted by this value Note how ever that the reference value ignores the level offset Thus it is still mandatory to define the actual power level that the analyzer has to handle as the reference level You can also use automatic detection of the reference level with the Auto Level function If active the application measures and sets the reference level to its ideal value Automatic level detection also optimizes RF attenuation The application shows the current reference level including RF and external attenua tion in the channel bar Configuring UO Measurements Remote command Manual DISPlay WINDow lt n gt TRACe Y SCALe RLEVel on page 160 Automatic SENSe ADJust LEVel on page 164 Offset DISPlay WINDow lt n gt TRACe Y SCALe RLEVel OFFSet on page 161 Unit CALCulate lt n gt UNIT POWer on page 160 Attenuating the Signal Attenuation of the signal may become necessary if you have to reduce the power of the signal that you have applied Power reduction is necessary for example to prevent an overload of the input mixer The LTE measurement application provides several attenuation modes e Mechanical or RF attenuation is always available The mechanical attenuator controls attenuation at the RF input e If you have equipped your R amp S FSW with option R amp S FSW B25 it also provides electronic attenuation Note that the frequency range may not exceed the spe
122. f the EUTRA LTE uplink measurement application allows to com pute a variety of measurement variables EVM The most important variable is the error vector magnitude which is defined as Pri 0n 2 Ellas EVM 3 2 for QAM symbol n before precoding and SC FDMA symbol I Since the normalized average power of all possible constellations is 1 the equation can be simplified to EVM Greff nl 3 3 The average EVM of all data subcarriers is then The LTE Uplink Analysis Measurement Application EVM sata data 3 4 for Nps SC FDMA data symbols and the Nyx allocated subcarriers UO imbalance The UO imbalance contained in the continuous received signal r t can be written as re e 1856 jo 360 3 5 where s t is the transmit signal and and Q are the weighting factors describing the UO imbalance We define that l 1 and Q 1 AQ The UO imbalance estimation makes it possible to evaluate the modulator gain balance 1 AQ 3 6 and the quadrature mismatch arg 1 AQ 8 7 based on the complex valued estimate 46 Basic in band emissions measurement The in band emissions are a measure of the interference falling into the non allocated resources blocks The relative in band emissions are given by Emissio MS absolute A rp Emissions tative Ars 1 c 12 N pg 1 a EN 27 A Pres S e 3 8 where Ts is a set Ts of SC FDMA symbols with the considered
123. for the uplink schedul ing assignment Parameters lt PuschNDMRS gt lt numeric value gt Range 0 to 11 RST 0 Example CONF UL SUBF ALL PUSC NDMR 2 Defines index 2 Manual operation See Enhanced Demodulation Reference Signal Configuration on page 46 CONFigure LTE UL SUBFrame lt subframe gt ALLoc RATO State This command turns the resource allocation type 1 on and off Parameters lt State gt ON OFF RST OFF Example CONF UL SUBF ALL RATO ON Turns resource allocation type 1 on Manual operation See Enhanced PUSCH Configuration on page 45 CONFigure LTE UL SUBFrame lt subframe gt ALLoc RBCount lt NofRBs gt This command selects the number of resource blocks in an uplink subframe Remote Commands to Configure the Application Parameters lt NofRBs gt lt numeric value gt RST 11 Example CONF UL SUBF8 ALL RBC 8 Subframe 8 consists of 8 resource blocks Manual operation See Number of RB on page 45 CONFigure LTE UL SUBFrame lt subframe gt ALLoc RBOFfset lt RBOffset gt This command defines the resource block offset in an uplink subframe Parameters lt RBOffset gt lt numeric value gt RST 2 Example CONF UL SUBF8 ALL RBOF 5 Subframe 8 has a resource block offset of 5 Manual operation See Offset RB on page 45 SENSe LTE UL DEMod ACON lt Type gt This command selects the method of automatic demodulation for uplink signals Parameters l
124. formation see Subframe Selection on page 75 The x axis represents the center frequencies of the subcarriers On the y axis the EVM is plotted either in or in dB depending on the EVM Unit 2 EVM vs Carrier sl Avg 92 Min 3 Max 3 8325 MHz 768 0 kHz 3 8475 MHz Remote command Selecting the result display LAY ADD 1 LEFT EVCA Querying results TRACe DATA EVM vs Symbol Starts the EVM vs Symbol result display This result display shows the Error Vector Magnitude EVM of the OFDM symbols You can use it as a debugging technique to identify any symbols whose EVM is too high The results are based on an average EVM that is calculated over all subcarriers that are part of a particular OFDM symbol This average OFDM symbol EVM is determined for all OFDM symbols in each analyzed slot If you analyze all subframes the result display contains three traces e Average EVM This trace shows the OFDM symbol EVM averaged over all slots e Minimum EVM This trace shows the lowest average OFDM symbol EVM that has been found over the analyzed slots e Maximum EVM This trace shows the highest average OFDM symbol EVM that has been found over the analyzed slots If you select and analyze one slot only the result display contains one trace that shows the OFDM symbol EVM for that slot only Average minimum and maximum values in that case are the same For more information see Subframe Selection on page 75 User Manual 1173 9386
125. formats F2a and F2b are only supported for normal cyclic prefix length For more information refer to 3GPP TS36 211 table 5 4 1 Supported PUCCH For mats Remote command CONFigure LTE UL PUCCh FORMat on page 148 N 2 _RB Defines bandwidth in terms of resource blocks that are reserved for PUCCH formats 2 2a 2b transmission in each subframe Since there can be only one resource block per slot that supports a combination of the PUCCH formats 1 1a 1b and 2 2a 2b the number of resource block s per slot availa ble for PUCCH format 1 1a 1b is determined by N 2 _RB For more information refer to 3GPP TS36 211 chapter 5 4 Physical Uplink Control Channel Remote command CONFigure LTE UL PUCCh N2RB on page 149 N_PUCCH Defines the resource index for PUCCH format 1 1a 1b respectively 2 2a 2b Configuring UO Measurements It is also possible to define Npyccy on a subframe level by selecting the Per Subframe menu item For more information see chapter 4 2 3 Configuring Subframes on page 42 Remote command CONFigure LTE UL PUCCh NPAR on page 150 4 2 9 Defining the PRACH Structure The PRACH structure settings contain settings that describe the physical attributes and structure of the PUCCH The PRACH structure settings are part of the Advanced Settings tab of the Signal Description dialog box AdvancedSettings PRACH Structure PRACH EE Mel Kee eee n 56 Sc Sot E 56 BC Ee EE 57 PRAGA P
126. gt is the relative power of the first lower alternate channel in dB e lt 1stUpperAltChannelPower gt is the relative power of the first lower alternate channel in dB lt nthLowerAltChannelPower gt is the relative power of a subse quent lower alternate channel in dB lt nthUpperAltChannelPower gt is the relative power of a subse quent lower alternate channel in dB Example CALC1 MARK FUNC POW RES Returns the current ACLR measurement results Usage Query only Manual operation See ACLR on page 22 See Multi Carrier ACLR on page 24 FORMat DATA lt Format gt This command specifies the data format for the data transmission between the LTE measurement application and the remote client Supported formats are ASCII or REAL32 Parameters lt Format gt ASCii REAL RST ASCii Example FORM REAL The software will send binary data in Real32 data format 6 8 Remote Commands to Read Numeric Results e Frame Resultats 113 e Result for Selection EE 115 Marker Table SEENEN SE 120 6 8 1 Remote Commands to Read Numeric Results Frame Results FETCHh SUMMary EVNESDOP AVERAgel orion 113 FETCh SUMMary EVM SDSF AVERage esses rere nennen 113 FETOR SUMMarnyEVMESDSTDAVERage onion ener tei di 113 FETCh SUMMary EVM UCCD EAVERages 2 er ecce i 114 FETCh GUMMary EVMIUGGCH AVERage 2 2 1 2 12 xtti a eae 114 FETCh SUMMary EVM UPRA AVERage
127. h NORB on page 149 N 1 _cs Defines the number of cyclic shifts used for PUCCH format 1 1a 1b in a resource block used for a combination of the formats 1 1a 1b and 2 2a 2b Only one resource block per slot can support a combination of the PUCCH formats 1 1a 1b and 2 2a 2b The number of cyclic shifts available for PUCCH format 2 2a 2b N 2 _cs in a block with combination of PUCCH formats is calculated as follows Configuring UO Measurements N 2 cs 12 N 1 cs 2 For more information refer to 3GPP TS36 211 chapter 5 4 Physical Uplink Control Channel Remote command CONFigure LTE UL PUCCh N1CS on page 149 Delta Shift Defines the delta shift parameter The delta shift is the difference between two adjacent PUCCH resource indices with the same orthogonal cover sequence OC It determines the number of available sequences in a resource block that can be used for PUCCH formats 1 1a 1b For more information refer to 3GPP TS36 211 chapter 5 4 Physical Uplink Control Channel Remote command CONFigure LTE UL PUCCh DESHift on page 148 Format Selects the format of the PUCCH You can define the PUCCH format for all subframes or define the PUCCH format for each subframe individually e F1 F1a F1b F2 F2a F2b F3 Selects the PUCCH format globally for every subframe e Per Subframe You can select the PUCCH format for each subframe separately in the Enhanced Settings of the Subframe Configuration Note that
128. h line of the table lt subframe gt lt modulation gt lt of symbols bits gt lt hexadecimal binary numbers gt All values have no unit The format of the bitstream depends on Bit Stream Format The lt modulation gt is encoded For the code assignment see chapter 6 7 1 18 Return Value Codes on page 110 For symbols or bits that are not transmitted the command returns e FFF if the bit stream format is Symbols e 9 if the bit stream format is Bits For symbols or bits that could not be decoded because the number of layer exceeds the number of receive antennas the command returns e FFE if the bit stream format is Symbols e 8 if the bit stream format is Bits User Manual 1173 9386 02 05 104 R amp S FSW K10x LTE Uplink Remote Control Bit Stream Sub 6 7 1 4 6 7 1 5 6 7 1 6 Allocation Code ID Note that the data format of the return values is always ASCII Example Symbol Index Modulation Bit Stream word 1 1 00 00 00 01 O2 O2 01 02 O1 1 1 2 01 OO 03 O1 3 01 02 00 01 OO 02 1 1 TRAC DATA TRACE1 would return 0 40 0 2 0 03 01 02 03 03 00 00 00 O1 02 02 lt continues like this until the next data block starts or the end of data is reached gt 0 40 0 2 32 03 03 00 00 03 O1 02 00 O1 00 Capture Buffer For the Capture Buffer result display the command returns one value for each UO sample in the capture b
129. he description in the table Remote command Conf subframes CONFigure LTE UL CSUBframes on page 137 4 2 3 1 Configuring UO Measurements Frame number offset A frame number offset is also supported The frame number offset assigns a number to the demodulated frame in order to identify it in a series of transmitted and captured frames You can define this frame in the Global Settings Remote command CONFigure LTE UL SFNO on page 141 e General Subframe Configuration tete iere en ie a RE nde 43 e Individual Subframe Configuration esses nens 44 e Enhanced SONO c c ld ro E t dr cea td rende 45 General Subframe Configuration Auto DEMO ON ede tiri ed cn A teet d de 43 Subframe Configuration Detectiori 2 acere at 43 Auto Demodulation Turns automatic demodulation on and off If active the R amp S FSW automatically detects the characteristics of each subframe in the signal resource allocation of the signal Two methods of detection are supported e Auto Demodulation DMRS Auto Detection Off This method automatically determines the characteristics for each subframe as shown in the Subframe Configuration Table The table is populated accordingly e Subframe Configuration amp DMRS Auto Demodulation DMRS Auto Detection On This method automatically detects the PUSCH and SRS i e no PUCCH can be detected To determine these characteristics the software detect
130. his chapter provides background information on the measurements and result dis plays available with the LTE Analysis Software e Symbols and vemables c ccccciteesccecteesedececessencctecheeeeceesdepuacceeensuanectcnpeueeceesnenaae 27 e TEE 28 e The LTE Uplink Analysis Measurement Applicatton 28 e SRS EVM Calculatpon EE 32 3 1 Symbols and Variables The following chapters use various symbols and variables in the equations that the measurements are based on The table below explains these symbols for a better understanding of the measurement principles ET data symbol actual decided Auk data symbol after DFT precoding Af Af esata carrier frequency offset between transmitter and receiver actual coarse estimate Al residual carrier frequency offset relative sampling frequency offset HA A ik channel transfer function actual estimate i time index Teoarse Mine timing estimate coarse fine k subcarrier index SC FDMA symbol index Nps number of SC FDMA data symbols Nert length of FFT Ng number of samples in cyclic prefix guard interval Ns number of Nyquist samples Nix number of allocated subcarriers Nu noise sample n index of modulated QAM symbol before DFT pre coding common phase error fj received sample in the time domain 3 2 3 3 Overview R uncompensated received sample in the frequency domain foi equal
131. ilot and payload carriers are used Remote command SENSe LTE UL DEMod CESTimation on page 169 EVM with Exclusion Period Turns exclusion periods for EVM measurements as defined in 3GPP TS 36 521 on and off The exclusion period affects the PUSCH data EVM of the first and last symbol Configuring UO Measurements The software automatically determines the length of the exclusion period according to 3GPP TS 36 521 1 The exclusion period has no effect on the EVM vs Carrier and EVM vs Symbol x Car rier result displays Remote command SENSe LTE UL DEMod EEPeriod on page 170 Analyze TDD Transient Slots Includes or excludes the transient slots present after a switch from downlink to uplink in the analysis If on the transient slots are not included in the measurement Remote command SENSe LTE UL DEMod ATTSlots on page 169 Compensate DC Offset Turns DC offset compensation when calculating measurement results on and off According to 3GPP TS 36 101 Annex F 4 the R amp S FSW removes the carrier leakage VQ origin offset from the evaluated signal before it calculates the EVM and in band emissions Remote command SENSe LTE UL DEMod CDCoffset on page 170 Scrambling of Coded Bits Turns the scrambling of coded bits for the PUSCH on and off The scrambling of coded bits affects the bitstream results Source ofbitstream results when Scrambling of coded bits is ON
132. in the Spectrum application For more information please refer to the documentation of the R amp S FSW The configuration in its default state complies with the test specifications defined in 3GPP 36 521 User Manual 1173 9386 02 05 24 R amp S FSW K10x LTE Uplink Measurements and Result Displays The x axis represents the frequency with a frequency span that relates to the LTE channel characteristics and adjacent channel bandwidths Note that the application automatically determines the center frequency of the measurement according to the frequencies of the carriers On the y axis the power is plotted in dBm The power for the TX channels is an abso lute value in dBm The power of the adjacent channels are values relative to the power of the TX channel The power of the channels is automatically tested against the limits defined by 3GPP The result display contains several additional elements e Blue and green lines Represent the bandwidths of the carriers blue lines and those of the neighboring channels green lines Note that the channels may overlap each other e Blue and green bars Represent the integrated power of the transmission channels blue bars and neighboring channels green bars iRm Clrw CF 997 175 MHz 1001 pts 11 76 MHz Span 117 55 MHz MC ACLR table A table above the result display contains information about the measurement in numer ical form e Channel Shows the type of channel The first t
133. included in the selection e TRACE3 Returns the constellation points of the SRS included in the selection 6 7 1 11 6 7 1 12 6 7 1 13 6 7 1 14 Remote Commands to Read Trace Data EVM vs Carrier For the EVM vs Carrier result display the command returns one value for each subcar rier that has been analyzed lt EVM gt The unit depends on UNIT EVM The following parameters are supported e TRACE1 Returns the average EVM over all subframes e TRACE2 Returns the minimum EVM found over all subframes If you are analyzing a particu lar subframe it returns nothing e TRACE3 Returns the maximum EVM found over all subframes If you are analyzing a partic ular subframe it returns nothing EVM vs Subframe For the EVM vs Subframe result display the command returns one value for each sub frame that has been analyzed lt EVM gt The unit depends on UNIT EVM The following parameters are supported e TRACE1 EVM vs Symbol For the EVM vs Symbol result display the command returns one value for each OFDM symbol that has been analyzed lt EVM gt For measurements on a single subframe the command returns the symbols of that subframe only The unit depends on UNIT EVM The following parameters are supported e TRACE1 Frequency Error vs Symbol For the Frequency Error vs Symbol result display the command returns one value for each OFDM symbol that has been analyzed lt frequ
134. indow type of an existing window specified by the suffix lt n gt The result of this command is identical to the LAYout REPLace WINDow com mand To add a new window use the LAYout NINDow lt n gt ADD command Parameters lt WindowType gt Type of measurement window you want to replace another one with See LAYout ADD WINDow on page 91 for a list of available window types Performing Measurements Measurements ABORT EE 97 INTA CS INU E 98 ETIKETT TEE 99 SENSe EETEEOOPOWSFATIMifQg comio 99 GE SYNC STATe ic ac 99 ABORt This command aborts a current measurement and resets the trigger system To prevent overlapping execution of the subsequent command before the measure ment has been aborted successfully use the OPC or WAI command after ABOR and before the next command For details see the Remote Basics chapter in the R amp S FSW User Manual To abort a sequence of measurements by the Sequencer use the INITiate SEQuencer ABORt on page 100 command Performing Measurements Note on blocked remote control programs If a sequential command cannot be completed for example because a triggered sweep never receives a trigger the remote control program will never finish and the remote channel to the R amp S FSW is blocked for further commands In this case you must inter rupt processing on the remote channel first in order to abort the measurement To do so send a Device
135. ion on and off Parameters lt State gt ON OFF RST OFF Example UL DEM SISY ON Turns suppressed interference synchronization on Manual operation See Suppressed Interference Synchronization on page 69 SENSe LTE UL DEMod MCFilter State This command turns suppression of interfering neighboring carriers on and off e g LTE WCDMA GSM etc Parameters State ON OFF RST OFF Example UL DEM MCF ON Turns suppression on of neighboring carriers on Manual operation See Multicarrier Filter on page 70 Tracking SENSe ETEEUL TRACKing PHASe retient prt ttt tn the t e prb neben kcu 171 SENSe L TE UL TRACking TIME eee nnns 172 SENSe L TET UL TRACking PHASe Type This command selects the phase tracking type for uplink signals Parameters Type OFF Deactivate phase tracking PIL Pilot only PILP Pilot and payload RST OFF Example SENS UL TRAC PHAS PILP Use pilots and payload for channel estimation Manual operation See Phase on page 67 Remote Commands to Configure the Application SENSe LTE UL TRACking TIME State This command turns timing tracking for uplink signals on and off Parameters State ON OFF RST OFF Example UL TRAC TIME ON Activates timing tracking Manual operation See Timing on page 67 6 10 3 Configuring Frequency Sweep Measurements Please refer to the documen
136. isting window is defined by a parameter To replace an existing window use the LAYout WINDow lt n gt REPLace command This command is always used as a query so that you immediately obtain the name of the new window as a result Parameters lt Direction gt LEFT RIGHt ABOVe BELow lt WindowType gt Type of measurement window you want to add See LAYout ADD WINDow on page 91 for a list of available window types Return values lt NewWindowName gt When adding a new window the command returns its name by default the same as its number as a result Example LAY WIND1 ADD LEFT MTAB Result 2 Adds a new window named 2 with a marker table to the left of window 1 Usage Query only LAYout WINDow lt n gt IDENtify This command queries the name of a particular display window indicated by the lt n gt suffix Note to query the index of a particular window use the LAYout IDENtify WINDow command Return values lt WindowName gt String containing the name of a window In the default state the name of the window is its index 6 6 6 6 1 Performing Measurements Usage Query only LAY out WINDow lt n gt REMove This command removes the window specified by the suffix lt n gt from the display The result of this command is identical to the LAYout REMove WINDow command Usage Event LAY out WINDow lt n gt REPLace lt WindowType gt This command changes the w
137. it k SUMMary GIMBalance MAXimum RESUlt cessus 128 CALOCulate n LIMit k SUMMary GIMBalance AVERage RESUIt suus 128 CALOCulate n LIMit k SUMMary IQOFfset MAXimum RESUlt sess 129 CALCulate lt n gt LIMit lt k gt SUMMary QOFfset AVERage RESUltP aoocccocococcccccccccccononinnnnnnnns 129 CALOCulate n LIMit k SUMMary QUADerror MAXimum RESUlt esee 129 Remote Commands to Read Limit Check Results CALOulate n LIMit k SUMMary QUADerror AVERage RESuIt ees 129 CALOCulate n LIMit k SUMMary SERRor MAXimum RESUIt cesse 130 CALOulate n LIMit k SUMMary SERRor AVERage RESUIt eeeeeesesessususss 130 CALCulate lt n gt LIMit lt k gt SUMMary EVM ALL MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary EVM ALL AVERage RESult This command queries the results of the EVM limit check of all resource elements Return values lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM PCHannel MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary EVM PCHan
138. ized received symbols of measurement path after IDFT T duration of the useful part of an SC FDMA symbol Tg duration of the guard interval Ts total duration of SC FDMA symbol Overview The digital signal processing DSP involves several stages until the software can pres ent results like the EVM Data Capture zati Synchronization EM E UTRA LTE uplink Channel estimation equalization measurement application Analysis The contents of this chapter are structered like the DSP The LTE Uplink Analysis Measurement Application The block diagram in figure 3 1 shows the general structure of the LTE uplink mea surement application from the capture buffer containing the UO data up to the actual analysis block After synchronization a fully compensated signal is produced in the reference path purple which is subsequently passed to the equalizer An IDFT of the equalized sym bols yields observations for the QAM transmit symbols a from which the data esti mates are obtained via hard decision Likewise a user defined compensation as well as equalization is carried out in the measurement path cyan and after an IDFT the observations of the QAM transmit symbols are provided Accordingly the measure ment path might still contain impairments which are compensated in the reference path The symbols of both signal processing paths form the basis for the analysis 3 3 1 The LTE Uplink Analysis Measurement Application fyrefeo
139. ker Configuration dialog box which is expanded accordingly Markers Marker Settings Search Selected State X Value Fig 5 3 Marker Configuration dialog the Carrier firld is only available for result displays with a third dimension For a comprehensive description of the marker functionality see the corresponding chapters in the documentation of the R amp S FSW 5 3 Analyzing Frequency Sweep Measurements The LTE application supports the same functionality to analyze the results of frequency sweep measurements Spectrum Emission mask and Adjacent Channel Leakage Ratio as the R amp S FSW base unit does for those measurements Please refer to the User Manual of the R amp S FSW for a detailed description on how to analyze ACLR and SEM measurements Overview of Remote Command Suffixes 6 Remote Control The following remote control commands are required to configure and perform noise figure measurements in a remote environment The R amp S FSW must already be set up for remote operation in a network as described in the base unit manual d 6 1 Universal functionality Note that basic tasks that are also performed in the base unit in the same way are not described here For a description of such tasks see the R amp S FSW User Manual In particular this includes Managing Settings and Results i e storing and loading settings and result data Basic instrument configuration e g checking the system configuration cu
140. l Characteristics GCONFignre E TE DUPLEX O E 132 CONFigure ETEPUDIRECUON coito daneddaniaetecdepeaeaatiseen en cstaaee 133 CONFiqure HEEN t Cre ortae ee dente Eeer 133 GONFigure L TEEUL OYGPrtefix 22 micron cereo ser a 133 GONFIGUre NEIE Bel EE 134 CONFigure C TEEUL PEG CIDGFOUD cuan crit Etre etx du e tpa nece thao tm rented 134 GONFigure L RETTEN 134 CONFigure FETE UL TOD E 134 CONFiguire LTEP UL TIDDIUDGOME coccion id ic is 135 MMEMborny EOAD DEMUodSSSIUIRO EE 135 MMEMOr y LOAD TMOD DL cucuta ii 135 SENSe EL TE SFEatness EGCONGIGUORS 2 rere ia oir 136 SENSe L TEL SL atmese OBANd nennen nnne nennt tn trn re iienaa 136 CONFigure L TE DUPLexing lt Duplexing gt This command selects the duplexing mode Parameters lt Duplexing gt TDD Time division duplex FDD Frequency division duplex RST FDD Example CONF DUPL TDD Activates time division duplex Manual operation See Selecting the LTE Mode on page 37 Remote Commands to Configure the Application CONFigure LTE LDIRection Direction This command selects the link direction Parameters lt Direction gt Example Manual operation DL Downlink UL Uplink CONF LDIR DL EUTRA LTE option is configured to analyze downlink signals See Selecting the LTE Mode on page 37 CONFigure LTE UL CC lt cci gt BW lt Bandwidth gt This command selects the channel bandwidth Parameters lt Bandwidth gt
141. l Description dialog box Configuring UO Measurements AdvancedSettings 271 pte MM Relative Power PUSCH i ur edic tdi 48 GOUD een EEN 48 Sequence Pepp EP 48 Relative Power PU GG zac ertt rrt ebrei d avt ttt a 48 A DMR M O 49 Delta Sequence SH e in 49 Activate DMRS Witht OOO EE 49 Relative Power PUSCH Defines the power of the DMRS relative to the power level of the PUSCH allocation in the corresponding subframe Ppmrs_offset The effective power level of the DMRS depends on the allocation of the subframe and is calculated as follows Pomrs Pue PruscH Ppuns ottset The relative power of the DMRS is applied to all subframes The power of the PUSCH Ppyscy may be different in each subframe Remote command CONFigure LTE UL DRS PUSCh POWer on page 142 Group Hopping Turns group hopping for the demodulation reference signal on and off The group hopping pattern is based on 17 hopping patterns and 30 sequence shift pat terns It is generated by a pseudo random sequence generator If on PUSCH and PUCCH use the same group hopping pattern Remote command CONFigure LTE UL DRS GRPHopping on page 142 Sequence Hopping Turns sequence hopping for the uplink demodulation reference signal on and off Sequence hopping is generated by a pseudo random sequence generator Remote command CONFigure LTE UL DRS SEQHopping on page 142 Relative Power PUCCH Defines
142. ling The RF input of the R amp S FSW can be coupled by alternating current AC or direct cur rent DC This function is not available for input from the Digital Baseband Interface R amp S FSW B17 or from the Analog Baseband Interface R amp S FSW B71 AC coupling blocks any DC voltage from the input signal This is the default setting to prevent damage to the instrument Very low frequencies in the input signal may be dis torted However some specifications require DC coupling In this case you must protect the instrument from damaging DC input voltages manually For details refer to the data sheet Remote command INPut COUPling on page 162 Impedance The reference impedance for the measured levels of the R amp S FSW can be set to 50 O or 75 0 75 Q should be selected if the 50 O input impedance is transformed to a higher impe dance using a 75 Q adapter of the RAZ type 25 Q in series to the input impedance of the instrument The correction value in this case is 1 76 dB 10 log 750 500 This value also affects the unit conversion This function is not available for input from the Digital Baseband Interface R amp S FSW B17 or from the Analog Baseband Interface R amp S FSW B71 For analog baseband input an impedance of 50 Q is always used Remote command INPut IMPedance on page 163 4 2 12 Configuring the Data Capture The data capture settings contain settings that control the data capture The data captur
143. load at the product homepage http www2 rohde schwarz com product FSW html Installation Find detailed installing instructions in the Getting Started or the release notes of the R amp S FSW 1 1 Starting the LTE Measurement Application The LTE measurement application adds a new application to the R amp S FSW To activate the application 1 Press the MODE key on the front panel of the R amp S FSW A dialog box opens that contains all operating modes and applications currently available on your R amp S FSW 2 Select the LTE item LTE The R amp S FSW opens a new measurement channel for the LTE measurement application o LTE PC software and LTE measurement application If you are using the EUTRA LTE PC Software in combination with an R amp S FSW the Mode dialog box also contains a item for this software It is labeled LTE Software and opens the PC software on the R amp S FSW A comprehensive description of the functionality of this software is provided in a sepa rate manual available for download on the internet The measurement is started immediately with the default settings It can be configured in the Overview dialog box which is displayed when you select the Overview soft key from any menu R amp S FSW K10x LTE Uplink Welcome to the LTE Measurement Application 1 2 For more information see chapter 4 Configuration on page 34 Understanding the Display Information The following figure shows
144. lt n gt at TRACe The range of lt n gt depends on the number of active measurement windows On an R amp S FSQ or R amp S FSV the suffix n was not supported On these instruments you had to select the measurement window with DISPlay WINDow lt n gt SELect first Adjacent Channel Leakage Ratio econ 103 AOC ATOM SUMMA E 104 A E E E E 104 Capture BUMS deco idas niin i eed da npud 105 COD m EE 105 Channel and Spectrum Flatness essen 105 Channel and Spectrum Flatness Difference sess 106 Channel Flathess TEE 106 Chantel Group Delay rare ede e ORE aepo Dx RUD Ue nace 107 Constellation Disgram esses een ennemis 107 EVM vS Came E 108 EVM VS SUbIFBIWB ann dei e E 108 EVM US SIDO iicet need Rr RI eee ede ans 108 Frequency Ertor we Symbol c sieve adve rere ete tee teg te tr a Yee ert da ebbe 108 Inband Emission osi ze cerco te rte Ra ed a 109 Power SPS GU UNA EEN 109 Spectrum EMISSION Mask iecore oe ete 109 R turii Value Codes tenons i a bee cipes d uv Fd ea rid ii 110 Adjacent Channel Leakage Ratio For the ACLR result display the number and type of returns values depend on the parameter e TRACE1 Returns one value for each trace point e LIST Returns the contents of the ACLR table For each channel it returns six values lt channel type bandwidth spacing offset power of lower channel power of upper channel
145. lue that is supported e DEF Defines the default value e UP DOWN Increases or decreases the numeric value by one step The step size depends on the setting In some cases you can customize the step size with a corresponding command Querying numeric values When you query numeric values the system returns a number In case of physical quantities it applies the basic unit e g Hz in case of frequencies The number of dig its after the decimal point depends on the type of numeric value Example Setting SENSe FREQuency CENTer 1GHZ Query SENSe FREQuency CENTer would return 1E9 In some cases numeric values may be returned as text e INF NINF Infinity or negative infinity Represents the numeric values 9 9E37 or 9 9E37 e NAN Not a number Represents the numeric value 9 91E37 NAN is returned in case of errors Boolean Boolean parameters represent two states The ON state logically true is represen ted by ON or a numeric value 1 The OFF state logically untrue is represented by OFF or the numeric value 0 Introduction Querying boolean parameters When you query boolean parameters the system returns either the value 1 ON or the value 0 OFF Example Setting DISPlay WINDow ZOOM STATe ON Query DISPlay WINDow ZOOM STATe would return 1 6 2 6 3 Character Data Character data follows the syntactic rules of keywords You can enter text using a short or a long fo
146. ly Manual operation See Result Summary on page 18 FETCh SUMMary IQOFfset MAXimum FETCh SUMMary IQOFfset MINimum FETCh SUMMary IQOFfset AVERage This command queries the UO offset Return values lt lQOffset gt lt numeric value gt Minimum maximum or average UO offset depending on the last command syntax element Default unit dB Example FETC SUMM IQOF Returns the current IQ offset in dB Usage Query only Manual operation See Result Summary on page 18 Remote Commands to Read Numeric Results FETCh SUMMary POWer MAXimum FETCh SUMMary POWer MINimum FETCh SUMMary POWer AVERage This command queries the total power Return values lt Power gt lt numeric value gt Minimum maximum or average power depending on the last command syntax element Default unit dBm Example FETC SUMM POW Returns the total power in dBm Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary QUADerror MAXimum FETCh SUMMary QUADerror MINimum FETCh SUMMary QUADerror AVERage This command queries the quadrature error Return values lt QuadError gt lt numeric value gt Minimum maximum or average quadrature error depending on the last command syntax element Default unit deg Example FETC SUMM QUAD Returns the current mean quadrature error in degrees Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary SERRor MAXimum F
147. mand DISPlay WINDowcn TRACe Y SCALe AUTO ONCE on page 177 DISPlay WINDowcn TRACe Y SCALe MAXimum on page 177 DISPlay WINDowcn TRACe Y SCALe MINimum on page 177 Result Settings Result settings define the way certain measurement results are displayed R amp S FSW K10x LTE Uplink Analysis EVM Unit Bitstream Format Carrier Axes Subwindow Coupling EVM EU E 78 Bit Stream POMAR RR UANUL ER XE RS deere 78 oig I M teens 78 SUBDWINCOW COUINO visor lt a 79 Marker eres M ES 79 EVM Unit Selects the unit for graphic and numerical EVM measurement results Possible units are dB and 96 Remote command UNIT EVM on page 179 Bit Stream Format Selects the way the bit stream is displayed The bit stream is either a stream of raw bits or of symbols In case of the symbol for mat the bits that belong to a symbol are shown as hexadecimal numbers with two dig its Examples B Bit Stream S Modulation 10000110011 1011110110 001111111110 011110111110 Fig 5 2 Bit stream display in uplink application if the bit stream format is set to bits Remote command UNIT BSTR on page 178 Carrier Axes Selects the scale of the x axis for result displays that show results of OFDM subcarri ers IESSE User Manual 1173 9386 02 05 78 R amp S FSW K10x LTE Uplink Analysis e X axis shows the frequency of the subcarrier e X axis shows the number of the su
148. measurement is configured to wait for an external trigger signal in a remote control program remote control is blocked until the trigger is received and the program can continue Make sure this situation is avoided in your remote control programs Parameters lt Source gt IMMediate Free Run EXTernal Trigger signal from the TRIGGER INPUT connector EXT2 Trigger signal from the TRIGGER INPUT OUTPUT connector Note Connector must be configured for Input EXT3 Trigger signal from the TRIGGER 3 INPUT OUTPUT connector Note Connector must be configured for Input RFPower First intermediate frequency IFPower Second intermediate frequency IQPower Magnitude of sampled UO data For applications that process l Q data such as the l Q Analyzer or optional applications TIME Time interval BBPower Baseband power for digital input via the Digital Baseband Inter face R amp S FSW B17 Baseband power for digital input via the Digital Baseband Inter face R amp S FSW B17 or the Analog Baseband interface R amp S FSW B71 PSEN External power sensor GPO GP1 GP2 GP3 GP4 GP5 For applications that process l Q data such as the UO Analyzer or optional applications and only if the Digital Baseband Inter face R amp S FSW B17 is available Defines triggering of the measurement directly via the LVDS connector The parameter specifies which general purpose bit 0 to 5 will provide the trigger data RST IMMe
149. ments gt Press the MEAS key The application opens a dialog box that contains several buttons Each button represents a set of result displays that thematically belong together and that have a particular display configuration If these predefined display configu rations do not suit your requirements you can add or remove result displays as you like For more information about selecting result displays see Selecting result dis plays on page 8 Depending on what button you select the application changes the way the R amp S FSW capture and processes the raw signal data e When you select EVM or Time Alignment the application processes the l Q data of the signal For more information on available UO result displays see chap ter 2 1 UO Measurements on page 9 When you select one of the result displays available for UO measurements you can combine the result displays available for UO measurements in any way e When you select Channel Power ACLR or Spectrum Emission Mask the appli cation performs a frequency sweep For more information see chapter 2 2 Fre quency Sweep Measurements on page 21 When you select one of the frequency sweep measurements you can combine the result displays available for the frequency sweep measurements in any way Note that you can not display the ACLR and SEM at the same time Selecting result displays gt Select the Dl icon in the toolbar or press the Display Config softkey in the Me
150. mmand SENSe LTE UL TRACking TIME on page 172 Configuring UO Measurements 4 2 15 Signal Demodulation Analysis Mode PUSCH PUCCH PRACH Channel Estimation Range Pilot and Payload Pilot Only Consider Exclusion Period for EVM Calculation Analyze TDD Transient Slots Compensate DC Offset Descramble Coded Bits Suppress Interferer for Synchronization Use Multicarrier Filter MaS EE 68 Chantel ESO OO Ne 68 EVM with Exclusion Petripd 2 ieri iro erecto etie aca 68 Analyze TDD Transieit Slots oorr ena ret erheben ca doma UR Res AR easels 69 Compensate DC Offset coi ii id OR HERES UL anie 69 Scrambling of Goded Bits tei ene e ete e er rette nett cede 69 Suppressed Interference Synchronization eese 69 MUNCA GIST FRO oj aired LE 70 Analysis Mode Selects the channel analysis mode You can select from PUSCH PUCCH mode and PRACH mode PUSCH PUCCH mode analyzes the PUSCH and PUCCH This is the default PRACH mode analyzes the PRACH only In PRACH analysis mode no subframe or slot selection is available Instead you can select a particular preamble that the results are shown for Note that PRACH analysis mode does not support all result displays Remote command SENSe LTE UL DEMod MODE on page 169 Channel Estimation Range Selects the method for channel estimation You can select if only the pilot symbols are used to perform channel estimation or if both p
151. modulation scheme being active within the measurement period Arg is the starting frequency offset between the allocated RB and the measured non allocated RB e g Arg 1 or Agg 1 for the first adjacent RB c is the lower edge of the allocated BW and Y t f is the fre quency domain signal evaluated for in band emissions Ngg is the number of allocated RBs The basic in band emissions measurement interval is defined over one slot in the time domain SRS EVM Calculation Other measurement variables Without going into detail the EUTRA LTE uplink measurement application additionally provides the following results e Total power e Constellation diagram e Group delay e Q offset e Crest factor e Spectral flatness 3 4 SRS EVM Calculation In order to calculate an accurate EVM a channel estimation needs to be done prior to the EVM calculation However the channel estimation requires a minimum of two resource elements containing reference symbols on a subcarrier Depending on the current Channel Estimation Range setting this means that either at least two reference symbols Pilot Only or one reference symbol and at least one data symbol Pilot and Payload need to be available on the subcarrier the EVM is to be measured For PUSCH PUCCH and PRACH regions these conditions are normally fulfilled because the DMRS Demodulation Reference Signal is already included However the SRS may also be located on subcarriers which do n
152. mp S FSW K76 TD SCDMA UE MTDS TD SCDMA UE R amp S FSW K77 cdma2000 BTS BC2K CDMA2000 BTS R amp S FSW K82 cdma2000 MS R amp S FSW MC2K CDMA2000 MS K83 1xEV DO BTS R amp S FSW BDO 1xEV DO BTS K84 1xEV DO MS R amp S FSW MDO 1xEV DO MS K85 WLAN R amp S FSW K91 WLAN WLAN LTE R amp S FSW K10x LTE LTE Realtime Spectrum RTIM Realtime Spectrum R amp S FSW K160R Note the default channel name is also listed in the table If the specified name for a new channel already exists the default name extended by a sequential number is used for the new channel General Window Commands INSTrument REName lt ChannelName1 gt lt ChannelName2 gt This command renames a measurement channel Parameters lt ChannelName1 gt String containing the name of the channel you want to rename lt ChannelName2 gt String containing the new channel name Note that you can not assign an existing channel name to a new channel this will cause an error Example INST REN Spectrum2 Spectrum3 Renames the channel with the name Spectrum2 to Spectrum3 INSTrument SELect lt ChannelType gt This command selects a new measurement channel with the defined channel type Parameters lt ChannelType gt LTE LTE measurement channel R amp S FSW K10x Example INST LTE Selects the LTE application 6 4 General Window Commands The following commands are required to configure general window layout indepe
153. mpleRateType gt parameter lt MaxTransferRate gt Maximum data transfer rate of the connected device in Hz Remote Commands to Configure the Application lt ConnProtState gt State of the connection protocol which is used to identify the connected device Not Started Has to be Started Started Passed Failed Done lt PRBSTestState gt State of the PRBS test Not Started Has to be Started Started Passed Failed Done lt SampleRateType gt 0 Maximum sample rate is displayed 1 Current sample rate is displayed lt FullScaleLevel gt The level in dBm that should correspond to an I Q sample with the magnitude 1 if transferred from connected device If not available 9 97637 is returned Example INP DIQ CDEV Result 1 SMU200A 103634 Out A 70000000 100000000 Passed Not Started 0 0 Manual operation See Connected Instrument on page 59 INPut DIQ RANGe UPPer AUTO lt State gt If enabled the digital input full scale level is automatically set to the value provided by the connected device if available This command is only available if the optional Digital Baseband interface option R amp S FSW B17 is installed Parameters lt State gt ON OFF RST OFF Manual operation See Full Scale Level on page 59 Remote Commands to Configure the Application INPut DIQ RANGe COUPling lt State gt If enabled the reference level for digital input is adjusted to the full scale lev
154. n LTE measurements require a special application on the R amp S FSW which you activate using the MODE key on the front panel When you activate a measurement channel in the LTE application a measurement for the input signal is started automatically with the default configuration The LTE menu is displayed and provides access to the most important configuration functions Automatic refresh of preview and visualization in dialog boxes after configura tion changes The R amp S FSW supports you in finding the correct measurement settings quickly and easily after each change in settings in dialog boxes the preview and visualization areas are updated immediately and automatically to reflect the changes Thus you can see if the setting is appropriate or not before accepting the changes Unavailable hardkeys Note that the SPAN BW TRACE LINES and MKR FUNC keys have no contents and no function in the LTE application e Configuration OVEWIEW ccce ott cet edat e stt EES AER 34 e Configuring I Q Measuretments e inet nt nic eden eite 36 e Configuring Frequency Sweep Measurements renn 70 Configuration Overview Throughout the measurement channel configuration an overview of the most important currently defined settings is provided in the Overview The Overview is displayed when you select the Overview icon which is available at the bottom of all softkey menus Configuration Overview 1 F R Att c El l Pha
155. n lt Type gt This command selects the channel estimation type for uplink signals Remote Commands to Configure the Application Parameters lt Type gt PIL PILPAY PIL Pilot only PILP Pilot and payload RST PILP Example UL DEM CEST PIL Uses only the pilot signal for channel estimation Manual operation See Channel Estimation Range on page 68 SENSe LTE UL DEMod EEPeriod lt State gt This command includes or excludes the exclusion period from EVM results Parameters lt State gt ON OFF Example UL DEM EEP ON Turns the exclusion periods for EVM calculation on Manual operation See EVM with Exclusion Period on page 68 SENSe LTE UL DEMod CDCoffset State This command turns DC offset compensation for uplink signals on and off Parameters lt State gt ON OFF RST ON Example UL DEM CDC OFF Deactivates DC offset compensation Manual operation See Compensate DC Offset on page 69 SENSe LTE UL DEMod CBSCrambling lt State gt This command turns scrambling of coded bits for uplink signals on and off Parameters lt State gt ON OFF RST ON Example UL DEM CBSC OFF Deactivates the scrambling Manual operation See Scrambling of Coded Bits on page 69 6 10 2 5 Remote Commands to Configure the Application SENSe LTE UL DEMod SISYnc State This command turns suppressed interference synchronizat
156. n of a marker on the y axis If necessary the command activates the marker first To get a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This is only possible for single sweeps See also INITiate CONTinuous on page 98 Return values lt Result gt Result at the marker position Example INIT CONT OFF Switches to single measurement mode CALC MARK2 ON Switches marker 2 INIT WAI Starts a measurement and waits for the end CALC MARK2 Y Outputs the measured value of marker 2 6 9 6 9 1 Remote Commands to Read Limit Check Results Usage Query only Manual operation See Marker Table on page 21 Remote Commands to Read Limit Check Results e Checking Limits for Graphical Result Displavs nern ees 122 e Checking Limits for Numerical Result Display 123 Checking Limits for Graphical Result Displays CALCulate n LIMit k ACPower ACHannel RESUIt nacio nananca ninos 122 CALCulate n LIMit k ACPower ALTernate RESUIt eese 122 GAL Oulatesm LMitsk TT EE 123 CALCulate lt n gt LIMit lt k gt ACPower ACHannel RESult Result This command queries the limit check results for the adjacent channels during ACLR measurements Return values lt LimitCheck gt Returns two values one for the upper and one for the lower adjacent channel PASSED Limit check has passed FAILED Limit
157. ncer use SYSTem SEQuencer on page 101 Usage Event INITiate SEQuencer IMMediate This command starts a new sequence of measurements by the Sequencer Its effect is similar to the INTTiate IMMediate command used for a single measurement Before this command can be executed the Sequencer must be activated see SYSTem SEQuencer on page 101 Example SYST SEQ ON Activates the Sequencer INIT SEQ MODE SING Sets single sequence mode so each active measurement will be performed once INIT SEQ IMM Starts the sequential measurements Usage Event INITiate SEQuencer MODE Mode This command selects the way the R amp S FSW application performs measurements sequentially Before this command can be executed the Sequencer must be activated see SYSTem SEQuencer on page 101 A detailed programming example is provided in the Operating Modes chapter in the R amp S FSW User Manual Note In order to synchronize to the end of a sequential measurement using OPC OPC or WAI you must use SING1e Sequence mode For details on synchronization see the Remote Basics chapter in the R amp S FSW User Manual Performing Measurements Parameters lt Mode gt SINGle Each measurement is performed once regardless of the chan nel s sweep mode considering each channels sweep count until all measurements in all active channels have been per formed CONTinuous The measurements in each active channel are perfo
158. nd off Parameters lt State gt ON You can set the number of frames to analyze OFF The R amp S FSW analyzes a single sweep RST ON Remote Commands to Configure the Application Example FRAM COUN STAT ON Turns manual setting of number of frames to analyze on Manual operation See Overall Frame Count on page 65 SENSe SWAPiq State This command turns a swap of the and Q branches on and off Parameters lt State gt ON OFF RST OFF Example SWAP ON Turns a swap of the and Q branches on Manual operation See Swap Q on page 61 See Swap I Q on page 65 SENSe SWEep TIME lt CaptLength gt This command sets the capture time Parameters lt CaptLength gt Numeric value in seconds Default unit s Example SWE TIME 40ms Defines a capture time of 40 milliseconds Manual operation See Capture Time on page 65 Trigger The trigger functionality of the LTE measurement application is the same as that of the R amp S FSW For a comprehensive description of the available remote control commands for trigger configuration see the documentation of the R amp S FSW TRiGger SEQuence H OL Doff lt instruimMent nininini REENEN EEN 166 TRIGger SEQuenceJ LEVel instrument EXTernal cessere 167 TRIGger SEQuence PORT RE 167 TRIGger SEQuence EE 167 TRIGSer oEQuence SOURCE css inimici or ire exe Rc esee qnare ger dese IRR a A AA 168
159. ndent of the application DISPlewFORMMa EE 90 DiSblavlWiNDowcnzt lzt eee aaa ai na anaana nennen 91 DISPlay FORMat lt Format gt This command determines which tab is displayed Parameters lt Format gt SPLit Displays the MultiView tab with an overview of all active chan nels SINGle Displays the measurement channel that was previously focused RST SING Example DISP FORM SPL Working with Windows in the Display DISPlay WINDow lt n gt SIZE Size This command maximizes the size of the selected result display window temporarily To change the size of several windows on the screen permanently use the LAY SPL command see LAYout SPLitter on page 94 Parameters lt Size gt LARGe Maximizes the selected window to full screen Other windows are still active in the background SMALI Reduces the size of the selected window to its original size If more than one measurement window was displayed originally these are visible again RST SMALI Example DISP WIND2 LARG 6 5 Working with Windows in the Display The following commands are required to change the evaluation type and rearrange the screen layout for a measurement channel as you do using the SmartGrid in manual operation Since the available evaluation types depend on the selected application some parameters for the following commands also depend on the selected measure ment channel LAYOUt ADD WINDOW KEE 91 LAYout Ee WINDOW KEE 93 LAY outilDENtify
160. nel AVERage RESult This command queries the results of the EVM limit check of all physical channel resource elements Return values lt LimitCheck gt The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated Example CALC LIM SUMM EVM PCH RES Queries the limit check Usage Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM PSIGnal MAXimum RESult CALCulate lt n gt LIMit lt k gt SUMMary EVM PSIGnal AVERage RESult This command queries the results of the EVM limit check of all physical signal resource elements Return values lt LimitCheck gt Example Usage Remote Commands to Read Limit Check Results The type of limit average or maximum that is queried depends on the last syntax element FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated CALC LIM SUMM EVM PSIG RES Queries the limit check Query only CALCulate lt n gt LIMit lt k gt SUMMary EVM SDQP AVERage RESult This command queries the results of the EVM limit check of all PUSCH DMRS resource elements with a QPSK modulation Return values lt LimitCheck gt Example Usage FAILED Limit check has failed PASSED Limit check has passed NOTEVALUATED Limits have not been evaluated CALC LI
161. nnns 102 e Remote Commands to Read Measurement Results 111 Using the TRACe DATA Command This chapter contains information on the TRACe DATA command and a detailed description of the characteristics of that command The TRACe DATA command queries the trace data or results of the currently active measurement or result display The type number and structure of the return values are specific for each result display In case of results that have any kind of unit the com mand returns the results in the unit you have currently set for that result display Note also that return values for results that are available for both downlink and uplink may be different For several result displays the command also supports various SCPI parameters in combination with the query If available each SCPI parameter returns a different aspect of the results If SCPI parameters are supported you have to quote one in the query Example TRAC2 DATA TRACE1 The format of the return values is either in ASCII or binary characters and depends on the format you have set with FORMat DATA Following this detailed description you will find a short summary of the most important functions of the command TRACe lt n gt DATA Remote Commands to Read Trace Data O 6 7 1 1 Selecting a measurement window Compared to the LTE application on the R amp S FSQ or R amp S FSV you have to select the measurement window directly with the suffix
162. nsm COMB ET 52 Signal source REMOS EE 157 Slope Rule EE 167 Softkey Const Sel ctiom aiii 76 Softkeys DIGI GONE ep M 60 i o 63 Sounding Reference Signal Conf Index SRS us rrr 51 Freq Domain Pos n RRO 5 aei ittis 52 Hopping BW b hop entres 51 la e 50 Rel Power 2 51 SRS Bandwidth B SRS linia 50 SRS BW Conf C SRS SRS Cyclic Shift N CS SRS Subframe COM iii nn 50 Transm Comb K TG emere 52 Specifics for E elle LTE 36 ee Lu E 14 Spectrum flatness difference ooooccconnodicinccicnoncccconcccnnnnns 15 Spectrum flatness SRS emeret reci 14 Spectrum Imask cc tenere aa dc 23 Standard Selection ennt trn 37 Subframe Configuration Table 42 Suffixes Remote commands rm rnt Suppressed interference synchronization ET le E Swap IQ WEE T TDD UL DL Allocations e 39 di TO GFE TEE 67 Trigger External remote AAA 168 Slope Ww Window title bar information ssessseeee 7 Windows Adding remote A 91 Closing remote 94 97 s e MEE 36 Layout remote eseu gees deeg deeg Dee dEr 94 Maximizing remote sss 91 Querying remote ooooocconccncccccconcccnnonnonccanncnccnnnonccnnnono 93 Replacing remote esse 94 Splitting remote Types remote eterne
163. ntenna configuration and test conditions for a MIMO system The MIMO configuration selects the number of transmit antennas for selected chan nels in the system In setups with multiple antennas the antenna selection defines the antenna you d like to test Note that as soon as you have selected a transmission on more than one antenna for one of the channels the corresponding number of antennas becomes available for testing Antenna 1 Tests antenna 1 only Antenna 2 Tests antenna 2 only Remote command CONFigure LTE UL MIMO ASELection on page 136 Configuring Subframes An LTE frame consists of 10 subframes Each individual subframe may have a differ ent resource block configuration This configuration is shown in the Subframe Configu ration Table The application supports two ways to determine the characteristics of each subframe e Automatic demodulation of the channel configuration and detection of the subframe characteristics In case of automatic demodulation the contents of the table are determined according to the signal currently evaluated For more information see Auto Demodulation on page 43 e Custom configuration of the configuration of each subframe In case of manual configuration you can customize the table according to the sig nal that you expect The signal is demodulated even if the signal does not fit the decription in the table or in case of Physical Detection only if the frame fits t
164. nual operation See Sequence Index v on page 57 6 10 2 2 Remote Commands to Configure the Application Input Frontend Configuring the Input Remote commands to configure the input described elsewhere INPut COUPling on page 162 e INPut IMPedance on page 163 e SENSe SWAPiq on page 166 INPut eler e 153 NPU DIORANG UPPE AUTO aii A Ad 154 INPUt DIQ RANGe COUPINg cios iia aia 155 INPUEDIO RANGSIUBPel iri da 155 INPuCDIORANGet Uber UNITA 155 INPUEDIQESRA EE 155 INPUEDIOSRATS ue EE 156 INPUEFIL Ten HPASSESTATE soii de dida 156 INPut FIE Te GESTA TE ociosa aaa 156 INPutlO BALanced ESTATE ccoo id A tienes 157 INPUCIO TYPE oia ia 157 KE 157 INPut DIQ CDEVice This command queries the current configuration and the status of the digital UO input from the optional Digital Baseband Interface R amp S FSW B17 For details see the section Interface Status Information for the Digital Baseband Inter face R amp S FSW B17 in the R amp S FSW UO Analyzer User Manual Return values lt ConnState gt Defines whether a device is connected or not 0 No device is connected 1 A device is connected lt DeviceName gt Device ID of the connected device lt SerialNumber gt Serial number of the connected device lt PortName gt Port name used by the connected device lt SampleRate gt Maximum or currently used sample rate of the connected device in Hz depends on the used connection protocol version indica ted by lt Sa
165. o in Hopping Bits Defines the information available in the hopping bits according to the PDCCH DCI for mat 0 hopping bit definition The information in the hopping bits determines whether type 1 or type 2 hopping is used in the subframe and in case of type 1 additionally determines the exact hopping function to use 4 2 8 Configuring UO Measurements For more information on PUSCH frequency hopping refer to 3GPP TS36 213 Remote command CONFigure LTE UL PUSCh FHOP IIHB on page 147 Defining the PUCCH Structure The PUCCH structure settings contain settings that describe the physical attributes and structure of the PUCCH The PUCCH structure settings are part of the Advanced Settings tab of the Signal Description dialog box AdvancedSettings PUCCH Structure PRIA EE 55 EE EE 55 DM ere EE 55 No of RBs for PUCCH Defines the number of resource blocks reserved for PUCCH The resource blocks for PUCCH are always allocated at the edges of the LTE spec trum In case of an even number of PUCCH resource blocks half of the available PUCCH resource blocks is allocated on the lower the other half on the upper edge of the LTE spectrum outermost resource blocks In case of an odd number of PUCCH resource blocks the number of resource blocks on the lower edge is one resource block larger than the number of resource blocks on the upper edge of the LTE spectrum Remote command CONFigure LTE UL PUCC
166. ommand defines the frequency offset for a component carrier Parameters Frequency Example Manual operation Frequency offset relative to the first carrier in Hz FREQ CENT CC2 0FFS 15MHZ Defines a frequency offset of 15 MHz for the second component carrier See Carrier Aggregation on page 72 SENSe POWer ACHannel AACHannel Channel This command selects the assumed adjacent channel carrier for ACLR measurements Parameters Channel Example Manual operation EUTRA Selects an EUTRA signal of the same bandwidth like the TX channel as assumed adjacent channel carrier UTRA128 Selects an UTRA signal with a bandwidth of 1 28MHz as assumed adjacent channel carrier UTRA384 Selects an UTRA signal with a bandwidth of 3 84MHz as assumed adjacent channel carrier UTRA768 Selects an UTRA signal with a bandwidth of 7 68MHz as assumed adjacent channel carrier RST EUTRA POW ACH AACH UTRA384 Selects an UTRA signal with a bandwidth of 3 84MHz as assumed adjacent channel carrier See Assumed Adjacent Channel Carrier on page 71 SENSe POWer SEM UL REQuirement lt Requirement gt This command selects the requirements for a spectrum emission mask 6 11 6 11 1 Analysis Parameters lt Requirement gt GEN NS3 NS4 NS67 GEN General spectrum emission mask NS3 NS4 NS67 Spectrum emission masks with additional requirements Example POW SEM UL REQ NS3
167. ot occupy any other reference symbols see figure 3 2 EUTRA LTE SC FDMA Timeplan SC FDMA Symbols 5 6 7 8 i 1 1 Li zd 1 LEES 1 es 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 imel m l Time ms j UE SRS UE2 PUCCH Region us ES Fig 3 2 No EVM can be measured for the SRS In this case it is not reasonable to calculate an EVM and no SRS EVM value will be displayed for the corresponding subframe SRS EVM Calculation If the SRS subcarriers contain two DMRS symbols or one DMRS and one PUSCH for Pilot and Payload channel estimation range the SRS EVM can be measured see figure 3 3 EUTRA LTE SC FDMA Timeplan SC FDMA Symbols et 8 1 101 102 103 104 we 106 167 108 109 Time ms UE1 SRS UE2 PUCCH Region us E First Subframe 10 No Of Subframes pr Fig 3 3 The EVM of the complete SRS can be measured The SRS allocation might cover subcarriers which partly fulfill the conditions mentioned above and partly do not In this case the EVM value given in the Allocation Summary will be calculated based only on the subcarriers which fulfill the above requirements see figure 3 4 EUTRA LTE SC FDMA Timeplan Included in the SRS EVM calculation 03 04 05 06 07 08 09 Time ms E A SRS UE4 Fig 3 4 The EVM for parts of the SRS can be measured 4 O 4 1 id ke rM Overview Configuration Overview Configuratio
168. ote Commands to Configure the Application PUSCH Structure CONFigure E TEEUL PUSGCHhIFHMOGe 1 aire aniani aa aiaiai 147 CONFiqure ETE UL PUSCh PEDE euet o caer rene adenine 147 CONFig re L TEEUEIPUSCh FHOPB MEIB 22 ei nnr a EEEREN 147 GONFigure E TE UL PUSCHINOSM cocinada 148 CONFigure LTE UL PUSCh FHMode lt HoppingMode gt This command selects the frequency hopping mode in the PUSCH structure Parameters lt HoppingMode gt NONE No hopping INTer Inter subframe hopping INTRa Intra subframe hopping RST NONE Example CONF UL PUSC FHM NONE Deactivates frequency hopping for the PUSCH Manual operation See Frequency Hopping Mode on page 53 CONFigure LTE UL PUSCh FHOFfset lt Offset gt This command defines the frequency hopping offset for the PUSCH Parameters lt Offset gt lt numeric value gt RST 4 Example CONF UL PUSC FHOF 5 Sets the hopping offset to 5 Manual operation See PUSCH Hopping Offset on page 53 CONFigure LTE UL PUSCh FHOP IIHB lt HBInfo gt This command defines the information in hopping bits of the PUSCH Parameters lt HBInfo gt lt numeric value gt Range 0 to 3 RST 0 Example CONF UL PUSC FHOP IIHB 1 Defines type 1 as the information in hopping bits Manual operation See Info in Hopping Bits on page 53 Remote Commands to Configure the Application CONFigure LTE UL PUSCh NOSM lt NofSubbands gt This command defines
169. play is updated as soon as you make the changes Note that the constellation selection is applied to all windows in split screen mode if the windows contain constellation diagrams Remote command Modulation SENSe LTE MODulation SELect on page 175 Allocation SENSe LTE ALLocation SELect on page 174 Symbol SENSe LTE SYMBol SELect on page 177 Carrier SENSe LTE CARRier SELect on page 175 Scale NPIS CANS EEN TT Y Axis Scale The y axis scaling determines the vertical resolution of the measurement results The scaling you select always applies to the currently active screen and the corresponding result display Usually the best way to view the results is if they fit ideally in the diagram area in order to view the complete trace This is the way the application scales the y axis if you are using the automatic scale function But it may become necessary to see a more detailed version of the results In that case turn on fixed scaling for the y axis by defining the minimum and maximum val ues displayed on the vertical axis Possible values and units depend on the result dis play you want to adjust the scale of You can restore the default scale at any time with Restore Scale Tip Alternatively you can scale the windows in the Auto Set menu In addition to scaling the window currently in focus Auto Scale Window there you can scale all windows at the same time Auto Scale All Remote com
170. pling frequency offset C e the residual carrier frequency offset Afres e the common phase error According to references 7 and 8 the uncompensated samples HR in the DFT pre coded domain can be stated as The LTE Uplink Analysis Measurement Application E rh j2z No NGC PaNs N ggp A Tl il el ei s Nprr ell s N rrr Vos Nu a za CPE SFO res CFO 3 1 with e the DFT precoded data symbol A on subcarrier k at SC FDMA symbol I e the channel transfer function H e the number of Nyquist samples Ns within the total duration Ts e the duration of the useful part of the SC FDMA symbol T Ts T e the independent and Gaussian distributed noise sample N Within one SC FDMA symbol both the CPE and the residual CFO cause the same phase rotation for each subcarrier while the rotation due to the SFO depends linearly on the subcarrier index A linear phase increase in symbol direction can be observed for the residual CFO as well as for the SFO The results of the tracking estimation block are used to compensate the samples H completely in the reference path and according to the user settings in the measure ment path Thus the signal impairments that are of interest to the user are left uncom pensated in the measurement path After having decoded the data symbols in the reference path an additional data aided phase tracking can be utilized to refine the common phase error estimation 3 3 2 Analysis The analysis block o
171. plink Measurements and Result Displays This result display shows the power density of the complete capture buffer in dBm Hz The displayed bandwidth depends on bandwidth or number of resource blocks you have set For more information see Channel Bandwidth Number of Resource Blocks on page 39 The x axis represents the frequency On the y axis the power level is plotted 5 Power Spectrum 3 8325 MHz 768 0 kHz 3 8475 MHz Remote command Selecting the result display LAY ADD 1 LEFT PSPE Querying results TRACe DATA Inband Emission Starts the Inband Emission result display This result display shows the relative power of the unused resource blocks yellow trace and the inband emission limit lines red trace specified by the LTE standard document 3GPP TS36 101 The measurement is evaluated over the currently selected slot in the currently selected subframe The currently selected subframe depends on your selection Note that you have to select a specific subframe and slot to get valid measurement results 2 Rel Inband Emission 5 RB div You can also display the inband emissions for the allocated resource block in addition to the unused resource blocks when you select the Inband Emissions All result display User Manual 1173 9386 02 05 13 R amp S FSW K10x LTE Uplink Measurements and Result Displays 3 Rel Inband Emission ALL 5 RB div Remote command Selecting the result display LAY ADD
172. pseudo random sequence the cyclic shifts for PUCCH formats 1 1a 1b and sequences for PUCCH formats 2 2a 2b e the pseudo random sequence used for scrambling e the pseudo random sequence used for type 2 PUSCH frequency hopping The application shows the currently selected cell ID in the channel bar Cell ID W Remote command Cell ID CONFigure LTE UL PLC CID on page 134 Cell Identity Group CONFigure LTE UL PLC CIDGroup on page 134 Identity CONFigure LTE UL PLC PLID on page 134 Operating Band Index Selects one of the 40 operating bands for spectrum flatness measurements as defined in TS 36 101 The operating band defines the frequency band and the dedicated duplex mode Remote command SENSe LTE SFLatness OBANd on page 136 Extreme Conditions Turns extreme conditions on and off If you turn the extreme conditions on the software will modify the limit lines for the limit check of the spectral flatness measurement Remote command SENSe LTE SFLatness ECONditions on page 136 4 2 2 Configuring MIMO Setups The MIMO Configuration contains settings to configure MIMO test setups 4 2 3 Configuring UO Measurements MIMO Setup AUR Ee 1 TX Antenna Tx Antenna Selection antennal Simultaneous signal capture setup using 4 Rx Channels I State Analyzer IP Address Assignment Tu Source 1 Master 10 113 11 154 Antenna 1 MIMO Meute TE TE 42 MIMO Configuration Selects the a
173. r 997 18 MHz TxPower 10 69 dBm RBW 30 000 kHz Tx Bandwidth 34 850 MHz LI Frequency Power Abs Power Rel ALimit 942 78889 MHz 85 96 dBm 75 26 dB 62 46 dB 972 13506 MHz 85 54 dBm 74 85 dB 74 04 dB EUL 977 86111 MHz 86 04 dBm 75 35 dB 77 54 dB 979 43187 MHz 102 33 dBm 91 64 dB 80 33 dB 1 01492 GHz 100 40 dBm 89 70 dB 78 40 dB 1 01671 GHz 85 18 dBm 74 49 dB 76 68 dB 1 03284 GHz 84 80 dBm 74 11 dB 73 30 dB 1 05167 GHz 84 80 dBm 74 11 dB 61 30 dB Remote command Selecting the result display CONF MEAS ESP Querying results TRACe DATA Multi Carrier ACLR Starts the Multi Carrier Adjacent Channel Leakage Ratio MC ACLR measurement The MC ACLR measurement is basically the same as the ACLR measurement it measures the power of the transmission channels and neighboring channels and their effect on each other Instead of measuring a single carrier the MC ACLR measures an aggregated carrier two component carriers that form a single channel Note that the component carriers have to be next to each other In its default state the MC ACLR measurement measures three neighboring channels above and below the carrier One of the neighboring channels is assumed to be an EUTRA channel for example LTE and the other two are assumed to be UTRA chan nels for example WCDMA Note that you can configure a different neighboring chan nel setup with the tools provided by the measurement These tools are the same as those provided
174. r of OFDM symbols in a slot e Normal A slot contains 7 OFDM symbols e Extended A slot contains 6 OFDM symbols The extended cyclic prefix is able to cover larger cell sizes with higher delay spread of the radio channel e Auto The application automatically detects the cyclic prefix mode in use Remote command CONFigure LTE UL CYCPrefix on page 133 Configuring TDD Frames TDD frames contain both uplink and downlink information separated in time with every subframe being responsible for either uplink or downlink transmission The standard specifies several subframe configurations or resource allocations for TDD systems TDD UL DL Allocations Selects the configuration of the subframes in a radio frame in TDD systems Configuring UO Measurements The UL DL configuration or allocation defines the way each subframe is used for uplink downlink or if it is a special subframe The standard specifies seven different configurations U uplink D downlink S special subframe Conf of Special Subframe In combination with the cyclic prefix the special subframes serve as guard periods for switches from uplink to downlink They contain three parts or fields e DwPTS The DwPTS is the downlink part of the special subframe It is used to transmit downlink data e GP The guard period makes sure that there are no overlaps of up and downlink sig nals during a switch e UpPTS The UpPTS is the uplink part of the special subframe
175. r of the two carriers Parameters lt Frequency gt lt numeric value gt Range fmin to fmax RST 1 GHz Default unit Hz Example Measurement on one carrier FREQ CENT 1GHZ Defines a center frequency of 1 GHz Example Measurement on aggregated carriers FREO CENT CC1 850MHZ Defines a center frequency of 850 MHz for the first carrier Manual operation See Carrier Aggregation on page 72 Remote Commands to Configure the Application SENSe FREQuency CENTer STEP lt StepSize gt This command defines the center frequency step size You can increase or decrease the center frequency quickly in fixed steps using the SENS FREQ UP and SENS FREQ DOWN commands see SENSe FREQuency CENTer CC lt cci gt on page 158 Parameters lt StepSize gt fmax iS specified in the data sheet Range 1 to fMAX RST 0 1 x span Default unit Hz Example FREQ CENT 100 MHz FREQ CENT STEP 10 MHz FREQ CENT UP Sets the center frequency to 110 MHz SENSe FREQuency CENTer STEP LINK lt CouplingType gt This command couples and decouples the center frequency step size to the span or the resolution bandwidth Parameters lt CouplingType gt SPAN Couples the step size to the span Available for measurements in the frequency domain OFF Decouples the step size RST SPAN Example FREQ CENT STEP LINK SPAN SENSe FREQuency CENTer STEP L
176. r than 0 Hz is set the input signal is down converted with the center frequency Low IF 1 Q Only Low IF Q The input signal at the BASEBAND INPUT Q connector is filtered and resampled to the sample rate of the application If the center frequency is set to 0 Hz the real baseband signal is dis played without down conversion Real Baseband Q If a center frequency greater than 0 Hz is set the input signal is down converted with the center frequency Low IF Q Remote command INPut IQ TYPE on page 157 Input configuration Defines whether the input is provided as a differential signal via all 4 Analog Baseband connectors or as a plain UO signal via 2 simple ended lines Note Both single ended and differential probes are supported as input however since only one connector is occupied by a probe the Single ended setting must be used for all probes Differential Q and inverse Q data Single Ended l Q data only Remote command INPut IQ BALanced STATe on page 157 Swap UO Activates or deactivates the inverted UO modulation If the and Q parts of the signal from the DUT are interchanged the R amp S FSW can do the same to compensate for it On and Q signals are interchanged Inverted sideband Q j l Off and Q signals are not interchanged Normal sideband I j Q Remote command SENSe SWAPi q on page 166 Configuring UO Measurements 4 2 11 Defining Level Characteristics Amplitu
177. reamble lMappid coi 57 prse c T 57 L ja Root SSG te IO E 57 Sequence Index A E 57 PRACH Configuration Sets the PRACH configuration index as defined in the 3GPP TS 36 211 i e defines the subframes in which random access preamble transmission is allowed The preamble format is automatically derived form the PRACH Configuration Remote command CONFigure LTE UL PRACh CONF on page 151 Restricted Set Selects whether a restricted preamble set high speed mode or the unrestricted pre amble set normal mode will be used Remote command CONFigure LTE UL PRACh RSET on page 152 Configuring UO Measurements Frequency Offset For preamble formats 0 3 sets the PRACH Frequency Offset as defined in the 3GPP TS 36 211 i e determines the first physical resource block available for PRACH expressed as a physical resource block number Remote command CONFigure LTE UL PRACh FOFFset on page 151 PRACH Preamble Mapping The frequency resource index fea and the half frame indicator tip are neccessary to clearly specify the physical resource mapping of the PRACH in case a PRACH config uration index has more than one mapping alternative If you turn on the Auto Preamble Mapping the software automatically detects fka and Don The values for both parameters are defined in table 5 7 1 4 Frame structure type 2 random access preamble mapping in time and frequency 3GPP TS 36 211 v10 2 0 The frequency resource index
178. rm For more information see chapter 6 2 2 Long and Short Form on page 83 Querying text parameters When you query text parameters the system returns its short form Example Setting SENSe BANDwidth RESolution TYPE NORMal Query SENSe BANDwidth RESolution TYPE would return NORM 6 2 6 4 Character Strings Strings are alphanumeric characters They have to be in straight quotation marks You can use a single quotation mark or a double quotation mark Example INSTRument DELete Spectrum 6 2 6 5 Block Data Block data is a format which is suitable for the transmission of large amounts of data The ASCII character introduces the data block The next number indicates how many of the following digits describe the length of the data block In the example the 4 follow ing digits indicate the length to be 5168 bytes The data bytes follow During the trans mission of these data bytes all end or other control signs are ignored until all bytes are transmitted 0 specifies a data block of indefinite length The use of the indefinite for mat requires a NL END message to terminate the data block This format is useful when the length of the transmission is not known or if speed or other considerations prevent segmentation of the data into blocks of definite length Remote Commands to Select the LTE Application 6 3 Remote Commands to Select the LTE Application INSTruomentCREate DUPLICAR
179. rmed one after the other repeatedly regardless of the channel s sweep mode in the same order until the Sequencer is stopped CDEFined First a single sequence is performed Then only those channels in continuous sweep mode INIT CONT ON are repeated RST CONTinuous Example SYST SEQ ON Activates the Sequencer INIT SEQ MODE SING Sets single sequence mode so each active measurement will be performed once INIT SEQ IMM Starts the sequential measurements SYSTem SEQuencer lt State gt This command turns the Sequencer on and off The Sequencer must be active before any other Sequencer commands INIT SEQ are executed otherwise an error will occur A detailed programming example is provided in the Operating Modes chapter in the R amp S FSW User Manual Parameters lt State gt ON OFF 0 1 ON 1 The Sequencer is activated and a sequential measurement is started immediately OFF 0 The Sequencer is deactivated Any running sequential measure ments are stopped Further Sequencer commands INIT SEQ are not available RST 0 Remote Commands to Read Trace Data Example SYST SEQ ON Activates the Sequencer INIT SEQ MODE SING Sets single Sequencer mode so each active measurement will be performed once INIT SEQ IMM Starts the sequential measurements SYST SEQ OFF 6 7 Remote Commands to Read Trace Data 6 7 1 e Using the TRACe DATA Command sees
180. rte oie SENSE LTE UL DEMOA MODE crt tereti rt na eicere o SENSe PETE VE DEMOd SISSY N resnie ete cre oc pee bern ten ys erede Years ete e anu et vao voy REA ERROR SENSe LTE UL FORMat SCD ae SENSe EL TE UL TRACKING PHAS Gis ctt AS SENSe E ETETFULE TRACKking TIME erect rtr itcr eire et een reti rst Exch POR recs ce tase cece cece erate eae M ML Ue GAL Gulate MARKS COUP ling rtp tante rrr eee er t rne tee t dee HE ny es GAL Gulate sn DELTamarkerstm X n nro herren ti 120 CAL Culatesb DELTarmiarkeEss EE 120 CALCulate n LIMit k ACPower ALTernate RESUIt essere nnne 122 e ero MCK ir 123 CALOCulate n LIMit k SUMMary EVM PCHannel MAXimum RESUlt esee 124 CALOCulate n LIMit k SUMMary EVM PCHannel AVERage RESUIE esses 124 CALOCulate n LIMit k SUMMary EVM PSIGnal MAXimum RESUlt esee 124 CALCulate n LIMit k SUMMary EVM PSIGnal AVERage RESUIt es 124 CALCulate lt n gt LIMit lt k gt SUMMary EVM SDQP AVERage RESult CALCulate n LIMit k SUMMary EVM SDSF AVERage RESUlt nes 125 CALCulate n LIMit k SUMMary EVM SDST AVERage RESUlt ene 126 CALCulate n LIMit k SUMMary EVM UCCD AVERage RESUIt es 126 CALCulate n LIMit k SUMMary EVM UCCH
181. s not matter Example SENSe FREQuency CENTer is the same as SENS FREQ CENT Numeric Suffixes Some keywords have a numeric suffix if the command can be applied to multiple instances of an object In that case the suffix selects a particular instance e g a mea surement window Numeric suffixes are indicated by angular brackets lt n gt next to the keyword If you don t quote a suffix for keywords that support one a 1 is assumed Example DISPlay WINDow lt 1 4 gt ZOOM STATe enables the zoom in a particular mea surement window selected by the suffix at WINDow DISPlay WINDow4 ZOOM STATe ON refers to window 4 Introduction 6 2 4 Optional Keywords Some keywords are optional and are only part of the syntax because of SCPI compli ance You can include them in the header or not Note that if an optional keyword has a numeric suffix and you need to use the suffix you have to include the optional keyword Otherwise the suffix of the missing keyword is assumed to be the value 1 Optional keywords are emphasized with square brackets Example Without a numeric suffix in the optional keyword SENSe FREQuency CENTer is the same as FREQuency CENTer With a numeric suffix in the optional keyword DISPlay WINDow lt 1 4 gt ZOOM STATe DISPlay ZOOM STATe ON enables the zoom in window 1 no suffix DISPlay WINDow4 ZOOM STATe ON enables the zoom in window 4 6 2
182. s the CAZAC base parame ters Thus the DMRS configuration parameters are not required for the synchroni zation and therefore are not available using this method Note however that it is not possible to derive the DMRS configuration parameters from the CAZAC base parameters so that the disabled DMRS configuration param eters do not reflect the current parameters used for the synchronization Also note that it can happen that the software successfully synchronizes on non 3GPP sig nals without a warning Automatic demodulation is not available if the Suppressed Interference Synchroniza tion is active Remote command SENSe LTE UL DEMod ACON on page 140 Subframe Configuration Detection Turns the detection of the subframe configuration on and off Upon activation the software compares the current demodulated LTE frame to the subframe configuration you have set Only if the signal is consistent with the configura tion the software will further analyze the LTE frame Configuring UO Measurements If inactive the software analyzes the signal even if it is not consistent with the current subframe configuration Subframe configuration detection is available if you are using a Predefined subframe configuration Remote command SENSe LTE UL FORMat SCD on page 140 4 2 3 2 Individual Subframe Configuration The Subframe Configuration Table contains the characteristics for each subframe The software suppor
183. s the frequency with a frequency span that relates to the specified EUTRA LTE channel bandwidths On the y axis the power is plotted in dBm 1 Spectrum Emission Mask iRm Clrw CF 997 175 MHz 1001 pts 11 36 MHz Span 113 55 MHz A table above the result display contains the numerical values for the limit check at each check point e Start Stop Freq Rel uum AAA AAA AAA User Manual 1173 9386 02 05 23 R amp S FSW K10x LTE Uplink Measurements and Result Displays Shows the start and stop frequency of each section of the Spectrum Mask relative to the center frequency e RBW Shows the resolution bandwidth of each section of the Spectrum Mask e Freq at A to Limit Shows the absolute frequency whose power measurement being closest to the limit line for the corresponding frequency segment e Power Abs Shows the absolute measured power of the frequency whose power is closest to the limit The application evaluates this value for each frequency segment e Power Rel Shows the distance from the measured power to the limit line at the frequency whose power is closest to the limit The application evaluates this value for each frequency segment e Ato Limit Shows the minimal distance of the tolerance limit to the SEM trace for the corre sponding frequency segment Negative distances indicate the trace is below the tolerance limit positive distances indicate the trace is above the tolerance limit 2 Result Summary Sub Block A Cente
184. se cking D n Offset Time Tracking a E Signal Description Input Frontend Trig Sig Capture Tracking Capture Buffer Eg rea Pa Demodulation Evaluation Range Analysis Display Config EESTI 1 Capture Buffer In addition to the main measurement settings the Overview provides quick access to the main settings dialog boxes The individual configuration steps are displayed in the order of the data flow Thus you can easily configure an entire measurement channel from input over processing to output and analysis by stepping through the dialog boxes as indicated in the Overview In particular the Overview provides quick access to the following configuration dialog boxes listed in the recommended order of processing 1 Signal Description See chapter 4 2 1 Defining Signal Characteristics on page 37 Input Frontend See chapter 4 2 11 Defining Level Characteristics on page 62 Trigger Signal Capture See chapter 4 2 13 Triggering Measurements on page 66 See chapter 4 2 12 Configuring the Data Capture on page 64 Tracking See chapter 4 2 14 Tracking on page 67 Demodulation see chapter 4 2 15 Signal Demodulation on page 68 Evaluation Range See chapter 5 2 1 Evaluation Range on page 74 Analysis See chapter 5 Analysis on page 74 Display Configuration See chapter 2 1 UO Measurements on page 9 In addition the dialog box provides the Select Measurement button that serves as
185. stomizing the screen layout or configuring networks and remote operation Using the common status registers specific status registers for Pulse measure ments are not used Overview of Remote Command Guffives nnns 81 Mo iare U e GE 82 Remote Commands to Select the LTE Applcaton 87 General Window Commande 90 Working with Windows in the Display 2e tdci 91 Performing Measurements os ccrois ni ar E 97 Remote Commands to Read Trace Data 102 Remote Commands to Read Numeric Results 112 Remote Commands to Read Limit Check Results 122 Remote Commands to Configure the Appltcaton 130 E 174 Overview of Remote Command Suffixes The remote commands for the LTE Measurement application support the following suf fixes Suffix Description lt allocation gt Selects an allocation lt analyzer gt No effect lt antenna gt Selects an antenna for MIMO measurements lt cluster gt Selects a cluster uplink only lt cwnum gt Selects a codeword lt k gt Selects a limit line Irrelevant for the LTE application Introduction Suffix Description lt m gt Selects a marker lt n gt Selects a measurement window lt subframe gt Selects a subframe lt t gt Selects a trace Irrelevant for the LTE application 6 2 Introduction Commands are program messages that a controller e g a PC sends to the instru ment or software They operate its functions setting comman
186. surements i e it defines which con nector is used to input data to the R amp S FSW If no additional options are installed only RF input is supported Remote Commands to Configure the Application Parameters lt Source gt RF Radio Frequency RF INPUT connector DIQ Digital IQ data only available with optional Digital Baseband Interface R amp S FSW B17 For details on UO input see the R amp S FSW UO Analyzer User Manual AIQ Analog Baseband signal only available with optional Analog Baseband Interface R amp S FSW B71 For details on Analog Baseband input see the R amp S FSW UO Analyzer User Manual RST RF Manual operation See Digital l Q Input State on page 59 See Analog Baseband Input State on page 60 Defining the Frequency SENSe FREQuency CENTer CO celo nior iii 158 SENSE eet e REN EE 159 SENSe FREQuency CENTer STEP LINK 2c c cseeeeeeeecerenereesneseceaeneneneneaeauaaenenerene 159 SENSE FREQUen y CEN Ter STEP LINK FAC TON dae ette et liada 159 SENSe PREQUency OFFS Op iana aa EAEE EE NEEE RN FL A E ERR TRAD Edd 159 SENSe FREQuency CENTer CC lt cci gt lt Frequency gt This command sets the center frequency for RF measurements MC ACLR measurements e Defining or querying the frequency of the first carrier is possible with FREQ CENT CC1 The CC1 part of the syntax is mandatory in that case FREQ CENT queries the measurement frequency cente
187. t Type gt ALL Automatically detects and demodulates the PUSCH and SRS OFF Automatic demodulation is off SCON Automatically detects and demodulates the values available in the subframe configuration table Example UL DEM ACON OFF Turns automatic demodulation off Manual operation See Auto Demodulation on page 43 SENSe LTE UL FORMat SCD lt State gt This command turns detection of the subframe configuration on and off The command is available if Auto Demodulation is turned off Parameters lt State gt ON OFF RST OFF Example UL FORM SCD ON Turns detection of the subframe configuration on Remote Commands to Configure the Application Manual operation See Subframe Configuration Detection on page 43 Global Settings CON Figure PETE ULISENO 00 A A hae nme Ln atat eee nen 141 CONFigure L TEEULBEID nii ca arua eoru a 141 CONFigure L TE UL SFNO Offset This command defines the system frame number offset The application uses the offset to demodulate the frame Parameters lt Offset gt lt numeric value gt RST 0 Example CONF UL SFNO 2 Selects frame number offset 2 Manual operation See Frame Number Offset on page 47 CONFigure LTE UL UEID ID Sets the radio network temporary identifier RNTI of the UE Parameters ID numeric value RST 0 Example CONF UL UEID 2 Sets the UE ID to 2 Manual operation S
188. t applies to all measurement windows Parameters lt Unit gt DBM V A W DBPW WATT DBUV DBMV VOLT DBUA AMPere RST dBm Example CALC UNIT POW DBM Sets the power unit to dBm Manual operation See Defining a Reference Level on page 62 DISPlay WINDow lt n gt TRACe Y SCALe RLEVel lt ReferenceLevel gt This command defines the reference level With a reference level offset 0 the value range of the reference level is modified by the offset Remote Commands to Configure the Application Parameters lt ReferenceLevel gt The unit is variable Range see datasheet RST 0 dBm Example DISP TRAC Y RLEV 60dBm Usage SCPI confirmed Manual operation See Defining a Reference Level on page 62 DISPlay WINDow lt n gt TRACe Y SCALe RLEVel OFFSet Offset This command defines a reference level offset Parameters Offset Range 200 dB to 200 dB RST 0dB Example DISP TRAC Y RLEV OFFS 10dB Manual operation See Defining a Reference Level on page 62 INPut ATTenuation lt Attenuation gt This command defines the total attenuation for RF input If you set the attenuation manually it is no longer coupled to the reference level but the reference level is coupled to the attenuation Thus if the current reference level is not compatible with an attenuation that has been set manually the command also adjusts the reference level Parameters lt Attenuation gt Range
189. t modulation set tings to the same Q data for example For more information see the documentation of the R amp S FSW e VO REENEN 9 e Frequency Sweep Measurements Ae 21 2 1 1 Q Measurements Capt re BUNI coe tere ia 10 EVM VS Olei scc inen ere er EENS 10 EVIMVS SYMBOL Ge A A ee 11 EVM Ys SICHERE 12 Power Spec da 12 DANG EMISSION E 13 SPICU Ee 14 SPSCUUM Planes SS tos 14 E EI RE e 15 R amp S FSW K10x LTE Uplink Measurements and Result Displays Spectrum Flatness Difference ccccccccecceeeeeseeeeeeeeeeeeeeceeeeeeeedseqeaaaaeeeseeeeeeeeeeeeeesneees 15 Constellation EES cene tr E n teen ep aed Ee 16 Gea 16 Allacalta Er ET 17 Bit se Tu DEET 18 Result SUMMA ceso teins eet rie E rua ER ERE EE ROVER EE ELDER RR D ER RE E ERR ERA iets 18 Maker Tables M TE 21 Capture Buffer The Capture Buffer result display shows the complete range of captured data for the last data capture The x axis represents time The maximum value of the x axis is equal to the Capture Time The y axis represents the amplitude of the captured UO data in dBm for RF input 2 Capture Memory ei Clrw 2 01 ms A green vertical line at the beginning of the green bar in the Capture Buffer display marks the subframe start Additionally the diagram contains the Start Offset value This value is the time difference between the subframe start and capture buffer start When you zoom into
190. tation of the R amp S FSW base unit for a comprehensive list and description of remote commands necessary to configure and perform frequency sweep measurements ACLR and SEM All commands specific to the LTE application are listed below CONFEIqure ETE NUL CABW conri di 172 SENSe FREQuency CENTer CC lt cci gt OFFSObioooonicinocicicccccconoconononononononannnnnrnnananananananans 1 73 ISENZGel POWer ACHannel AACHannel aaa nono 173 SENSel POWer SEMULREQUIESNENA uc ah erana ea init 173 CONFigure LTE UL CABW lt Bandwidth gt This command selects the channel bandwidth s of the carriers in MC ACLR measure ments Parameters lt Bandwidth gt B520 First carrier 5 MHz second carrier 20 MHz bandwidth B1020 First carrier 10 MHz second carrier 20 MHz bandwidth B1515 First carrier 15 MHz second carrier 15 MHz bandwidth B1520 First carrier 15 MHz second carrier 20 MHz bandwidth B2020 First carrier 20 MHz second carrier 20 MHz bandwidth USER Custom combination of bandwidths Define the bandwidths of both carriers with CONFigure LTE UL CC lt cci gt BW on page 133 Example Manual operation Remote Commands to Configure the Application CONF UL CABW USER CONF UL CC1 BW BW5 00 CONF UL CC2 BW BW5 00 Custom bandwidth combination first carrier 5 MHz second car rier 5 MHz See Carrier Aggregation on page 72 SENSe FREQuency CENTer CC cci OFFSet Frequency This c
191. te Commands to Configure the Application Manual operation See Input Sample Rate on page 59 INPut DIQ SRATe AUTO lt State gt If enabled the sample rate of the digital UO input signal is set automatically by the con nected device This command is only available if the optional Digital Baseband Interface R amp S FSW B17 is installed Parameters lt State gt ON OFF RST OFF Manual operation See Input Sample Rate on page 59 INPut FILTer HPASs STATe lt State gt Activates an additional internal high pass filter for RF input signals from 1 GHz to 3 GHz This filter is used to remove the harmonics of the R amp S FSW in order to mea sure the harmonics for a DUT for example This function requires option R amp S FSW B13 Note for RF input signals outside the specified range the high pass filter has no effect For signals with a frequency of approximately 4 GHz upwards the harmonics are suppressed sufficiently by the YIG filter Parameters lt State gt ON OFF RST OFF Usage SCPI confirmed Manual operation See High Pass Filter 1 3 GHz on page 58 INPut FILTer YIG STATe State This command turns the YIG preselector on and off Note the special conditions and restrictions for the YIG filter described in YIG Prese lector on page 58 Parameters State ON OFF 0 1 RST 1 0 for UO Analyzer GSM VSA and MC Group Delay measurements Example INP FILT YIG OFF Deactivates the
192. te functionality are only available for frequency sweep measurements ACLR and SEM Gated frequency sweep measurements The application automatically selects the correct gate settings delay and length according to the TDD configuration The trigger settings are part of the Trigger tab of the Trigger Signal Capture dialog box Configuring UO Measurements Trigger Show Preview Trigger Source Trigger In Out Ext Trigger 1 H For more information on triggering measurements see the documentation of the R amp S FSW 4 2 14 Tracking The tracking settings contain settings that compensate for various common measure ment errors that may occur lt ege d 67 AP 67 Phase Specifies whether or not the measurement results should be compensated for common phase error When phase compensation is used the measurement results will be com pensated for phase error on a per symbol basis Off Phase tracking is not applied Pilot Only Only the reference signal is used for the estimation of the phase error Pilot and Pay Both reference signal and payload resource elements are used for load the estimation of the phase error Remote command SENSe LTE UL TRACking PHASe on page 171 Timing Specifies whether or not the measurement results should be compensated for timing error When timing compensation is used the measurement results will be compensa ted for timing error on a per symbol basis Remote co
193. tellation Diagram on page 76 SENSe LTE CARRier SELect lt Carrier gt This command filters the displayed results in the constellation diagram by a particular subcarrier Parameters lt Carrier gt ALL Shows the results for all subcarriers lt numeric_value gt Shows the results for a particular subcarrier RST ALL Example CARR SEL 1 Shows the results for subcarrier 1 Manual operation See Evaluation Range for the Constellation Diagram on page 76 SENSe LTE MODulation SELect lt Modulation gt This command filters the displayed results in the constellation diagram by a particular type of modulation Parameters lt Modulation gt ALL Shows the results for all modulation types lt numeric_value gt Shows the results for a particular modulation type Modulation types are mapped to numeric values For the code assignment see chapter 6 7 1 18 Return Value Codes on page 110 RST ALL Example MOD SEL 3 Shows the results for all elements with a 16QAM modulation Manual operation See Evaluation Range for the Constellation Diagram on page 76 SENSe LTE PREamble SELect lt Subframe gt This command selects a particular preamble for measurements that analyze individual preambles The command is available in PRACH analysis mode Analysis Parameters lt Subframe gt ALL Analyzes all preambles lt numeric value gt Selects the premable to analyze RST ALL Example PRE
194. teristics of the carriers in the Carrier Configuration tab Note the Carrier Configuration button in the Physical Settings tab also opens the Carrier Configuration tab Mode TDD Uplink H User Defined Sets Number of 2 Physical Settings Carrier Configuration Channel Bandwidth User Defined H Center Frequency Freq Offset to CC1 Bandwidth cC2 10MHz 50 RB WWchannel CA 19 90 MHz For more information on the LTE Mode Test Model Channel Bandwidth and Cyclic Prefix see Selecting the LTE Mode on page 37 Using Test Models on page 38 Channel Bandwidth Number of Resource Blocks on page 39 and Cyclic Prefix on page 39 Camer AQ Tele ANON EE 72 Carrier Aggregation The application allows you to define different characteristics for each carrier in the sys tem the number of component carriers is always 2 for MC ACLR measurements The center frequency defines the carrier frequency of the first carrier The center fre quency of the second carrier is calculated automatically based on the bandwidths you have selected for both carriers For the second carrier the application also shows the frequency offset relative to the center frequency of the first carrier If you define a dif ferent frequency offset the application adjusts the center frequency accordingly Note that the actual measurement frequency differs from the two carrier frequencies the application calculates that frequency based on the two carrier fr
195. the EVM of all DMRS resource elements with 16QAM modulation Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM UCCD AVERage This command queries the EVM of all DMRS resource elements of the PUCCH as shown in the result summary Return values lt EVM gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM UCCD Returns the average EVM of all DMRS resource elements Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM UCCH AVERage This command queries the EVM of all resource elements of the PUCCH as shown in the result summary Return values lt EVM gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM UCCH Returns the average EVM of all resource elements Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM UPRA AVERage This command queries the EVM of all resource elements of the PRACH as shown in the result summary Return values lt EVM gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM UPRA Returns the average EVM of all resource elements Usage Query only Manual operation See Result Summary on page 18 6 8 2 Remote Commands to Read Numeric Results FETCh SUMMary EVM USQP AVERage This query returns the EVM for all QPSK modulated resource elements of the PUSCH Return val
196. the power of the DMRS relative to the power level of the PUCCH allocation in the corresponding subframe Ppmrs offset The effective power level of the DMRS depends on the allocation of the subframe and is calculated as follows Configuring UO Measurements Pomrs Pue Prucch Ppwns ortset The relative power of the DMRS is applied to all subframes The power of the PUCCH Ppucch may be different in each subframe Remote command CONFigure LTE UL DRS PUCCh POWer on page 142 n 1 DMRS The n DMRS parameter can be found in 3GPP TS36 211 V8 5 0 5 5 2 1 1 Reference signal sequence Remote command CONFigure LTE UL DRS NDMRs on page 143 Delta Sequence Shift Defines the delta sequence shift Ass The standard defines a sequence shift pattern f for the PUCCH The corresponding sequence shift pattern for the PUSCH is a function of f V C and the delta sequence shift For more information refer to 3GPP TS 36 211 chapter 5 5 1 3 Group Hopping Remote command CONFigure LTE UL DRS DSSHift on page 143 Activate DMRS With OCC Turns the configuration of the demodulation reference signal on a subframe basis via the Cyclic Shift Field on and off If on the Cyclic Shift Field becomes available Otherwise the demodulation refer ence signal is configured by the n 2 DMRS parameter Remote command CONFigure LTE UL DRS AOCC on page 141 4 2 6 Configuring the Sounding Reference Signal The sounding refer
197. ting from the ideal 90 degrees FETCh SUMMary QUADerror AVERage on page 119 Shows the average time domain power of the allocated resource blocks of the analyzed signal FETCh SUMMary POWer AVERage on page 119 Shows the peak to average power ratio of captured signal FETCh SUMMar y CRESt AVERage on page 116 Displays a table with the current marker values for the active markers Stimulus Response Function Function Result Remote command LAY ADD 1 RIGH MTAB see LAYout ADD WINDow on page 91 Results CALCulate lt n gt MARKer lt m gt X on page 121 CALCulate lt n gt MARKer lt m gt Y on page 121 2 2 Frequency Sweep Measurements The Spectrum Emission Mask SEM and Adjacent Channel Leakage Ratio ACLR measurements are the only frequency sweep measurements available for the LTE measurement application They do not use the l Q data all other measurements use Instead those measurements sweep the frequency spectrum every time you run a new measurement Therefore it is not possible to to run an I Q measurement and then view the results in the frequency sweep measurements and vice versa Also because each User Manual 1173 9386 02 05 21 R amp S FSW K10x LTE Uplink Measurements and Result Displays of the frequency sweep measurements uses different settings to obtain signal data it is not possible to run a frequency sweep measurement and view the results in another frequency sweep measur
198. ts Result Summary EVM vs Carrier EVM vs Symbol EVM vs Symbol x Carrier Inband Emission Channel Flatness Spectrum Flatness SRS Channel Group Delay Spec trum Flatness Difference Power vs Symbol x Carrier Constellation Diagram DFT Pre coded Constellation Allocation Summary Bit Stream and Time Alignment If All is selected either the results from all subframes are displayed at once or a statistic is cal culated over all analyzed subframes Selecting All either displays the results over all subframes or calculates a statistic over all subframes that have been analyzed R amp S FSW K10x LTE Uplink Analysis Example Subframe selection If you select all subframes All the application shows three traces One trace shows the subframe with the minimum level characteristics the second trace shows the sub frame with the maximum level characteristics and the third subframe shows the aver aged level characteristics of all subframes P UL TAN E 7 uice eee Oe E TE T Nene VE SL EE ett dan eT meee md LA o ofa cni V wu AA 1 Avg e2Min s 3 Max e PK peak value e AV average value e MI minimum value If you select a specific subframe the application shows one trace This trace contains the results for that subframe only Remote command SENSe LTE SUBFrame SELect on page 176 Slot Selection Selects a particular slot whose measurement results you want to see You can select a particular
199. ts a maximum uplink LTE frame size of 10 subframes The sub frame number in the table depends on the number of Configurable Subframes that you have defined or that have been detected in case of automatic demodulation Enhanced Number Conflict Each row of the table represents one subframe elle On TEE 44 Enable EE tren teet n a ded d o Pr d 44 Enable PUSCH una 44 ele E Le EE 45 Enhanced SONM E 45 d Mleg e EE 45 MAA abad 45 Subframe Number Shows the number of a subframe Note that depending on the TDD configuration some subframes may not be available for editing The R amp S FSW labels those subframes not used Enable PUCCH Turns the PUCCH in the corresponding subframe on and off Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc CONT on page 137 Enable PUSCH Turns the PUSCH in the corresponding subframe on and off If you turn on a PUSCH Modulation Number of RBs and Offset RB become avail able Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc CONT on page 137 Configuring UO Measurements Modulation Selects the modulation scheme for the corresponding PUSCH allocation The modulation scheme is either QPSK 16QAM or 64QAM Remote command CONFigure LTE UL SUBFrame lt subframe gt ALLoc MODulation on page 137 Enhanced Settings Opens a dialog box to configure enhanced functionality for selected channels in each subframe
200. uency Hopping Mode nre 53 Info in HOPPING Bil tnn Number of Subbands PUSCH Hopping Offset R ge Uer E 60 R amp S EX IQ BOX B Te Lo y RE 60 Reference level Digital Q eenen T a 59 Reference Level iii ts 62 Remote commands Basics on syntax Boolean values Capitalization cimas Character data cde rr cameo reae 86 Data blocks n86 Numeric values 24 05 Optional keywords Parameters 84 Strings 86 SUITES i eredi ce arde st rre 83 Resource BlOCKS otc beset nc te redacti ne cient 39 Restoring Channel settings recent teens 36 Result Display Constellation Selection sessessssss 76 Result displays Marker table terrent 21 Result SUMMARY comite 18 RF input REMOTE pecans ee a ecu es 157 S Sample rate Digital W O 59 Digital UO remote 155 156 Scrambling of coded bits ccccceeeeeeeeeeeeeeeeeeeeeeesneeees 69 SEM require mielil xus cocos cio rires rar eR ore RR esten paci 71 Sequencer Aborting remote sssse 100 Activating remote sse 100 Mode remote E vei Ee Ee 100 Ee cca ccs fase capac brute pes Dd 98 Settings AU eebe 40 Auto Demodulation ooococcnocccinoccccconccononancnonancconananinno 43 Capture Time 65 Cell ID 40 Cell Identity Group 40 Channel
201. ues lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM USQP Queries the PUSCH QPSK EVM Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM USSF AVERage This command queries the EVM for all 64QAM modulated resource elements of the PUSCH Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM USSF Queries the PUSCH 64QAM EVM Usage Query only Manual operation See Result Summary on page 18 FETCh SUMMary EVM USST AVERage This query returns the the EVM for all 16QAM modulated resource elements of the PUSCH Return values lt EVM gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM USST Queries the PUSCH 16QAM EVM Usage Query only Manual operation See Result Summary on page 18 Result for Selection FETCH SUMMa y CRESIFAVERQDE E 116 FE TCh SUMMarv EVMI AL LEMANimum eee ee eee ee eee aeaeaeeaa eae eeeeeeeeeeeesereneeeeeeeees 116 FETCh SUMMary EVMEALELEMINImUE corio etr dine fura bere EEN 116 FETCh SUMMary EVM ALL AVERage e iei tenen a 116 FETCh SUMMary EVM PCHannel MAXimum lesse ener nennen enne 117 Remote Commands to Read Numeric Results FETCh SUMMary EVM PCHannel MINimum nn nnne nnns 117 FETCh SUMMary EVM PCHannel AVERage
202. uffer lt absolute power gt The unit is always dBm The following parameters are supported e TRACE1 CCDF For the CCDF result display the type of return values depends on the parameter e TRACE1 Returns the probability values y axis lt of values gt lt probability gt The unit is always The first value that is returned is the number of the following values e TRACE2 Returns the corresponding power levels x axis lt of values gt lt relative power gt The unit is always dB The first value that is returned is the number of the following values Channel and Spectrum Flatness For the Channel Flatness result display the command returns one value for each trace point lt relative power gt User Manual 1173 9386 02 05 105 6 7 1 7 6 7 1 8 Remote Commands to Read Trace Data The unit is always dB The following parameters are supported e TRACE1 Returns the average power over all subframes e TRACE2 Returns the minimum power found over all subframes If you are analyzing a partic ular subframe it returns nothing e TRACE3 Returns the maximum power found over all subframes If you are analyzing a par ticular subframe it returns nothing Channel and Spectrum Flatness Difference For the Channel Flatness Difference result display the command returns one value for each trace point lt relative power gt The unit is always dB The number of values depends on the sel
203. umeric value gt RST 6 Example CONF UL PUCC N1CS 4 Sets N 1 _cs to 4 Manual operation See N 1 cs on page 54 CONFigure LTE UL PUCCh N2RB lt N2RB gt This command defines the N 2 _RB of the PUCCH Parameters lt N2RB gt lt numeric value gt RST 1 Example CONF UL PUCC N2RB 2 Sets N2 RB to 2 Manual operation See N 2 RB on page 55 CONFigure LTE UL PUCCh NORB lt ResourceBlocks gt This command selects the number of resource blocks for the PUCCH Remote Commands to Configure the Application Parameters lt ResourceBlocks gt lt numeric value Selects the number of RBs AUTO Detects the number of RBs automatically RST 0 Example CONF UL PUCC NORB 6 Sets the number of resource blocks to 6 Manual operation See No of RBs for PUCCH on page 54 CONFigure LTE UL PUCCh NPAR lt NPUCCH gt This command defines the N_PUCCH parameter in the PUCCH structure settings Parameters lt NPUCCH gt lt numeric value gt lt numeric value gt SUBF Selects the definition of N_PUCCH on subframe level RST 0 Example CONF UL PUCC NPAR 2 Sets N PUCCH to 2 Manual operation See N PUCCH on page 55 PRACH Structure CON Lee DEEN SEI e EE 150 CONFigure ETECUEPRACOCONE E 151 CONFiqure FL NERT erg e 151 GONFiguire L TEEUL PRACh FRINGex 2 2 2 7 Loco Faces enone 151 EE Lee De REI e El TEE 151 CONFigure E TEEDE PRAGIING SG derep
204. without overloading the R amp S FSW or limiting the dynamic range by an S N ratio that is too small Example ADJ LEV Usage Event Manual operation See Defining a Reference Level on page 62 6 10 2 3 Signal Capture Re 165 TWN E 166 Remote Commands to Configure the Application Data Capture SENSe LTE FRAMe COUNt coran 165 ISENSeILTEIERAMeCOUNEAUTO ancora 165 SENSe L TE FRAMe COUNCESTATe cette tentent tette totns 165 daniel 166 SENSE SWECRTIME 00 A A ES A AAA A tii 166 SENSe LTE FRAMe COUNt lt Subframes gt This command sets the number of frames you want to analyze Parameters lt Subframes gt lt numeric value gt RST 1 Example FRAM COUN STAT ON FRAM COUN AUTO OFF Activates manual input of frames to be analyzed FRAM COUN 20 Analyzes 20 frames Manual operation See Number of Frames to Analyze on page 66 SENSe LTE FRAMe COUNt AUTO State This command turns automatic selection of the number of frames to analyze on and off Parameters lt State gt ON Selects the number of frames to analyze according to the LTE standard OFF Turns manual selection of the frame number on Example FRAM COUN AUTO ON Turns automatic selection of the analyzed frames on Manual operation See Auto According to Standard on page 66 SENSe LTE FRAMe COUNt STATe State This command turns manual selection of the number of frames you want to analyze on a
205. wo rows represent the aggregated carrier CA EUTRA Ref and Total both rows show the characteristics of the aggregated channel and thus are basi cally the same Regarding its characteristics the two carriers are regarded as a single channel The other rows represent the neighboring channels one E UTRA and two UTRA channels e Bandwidth Shows the bandwidth of the channel The bandwidth of the carrier is the sum of the two component carriers e Offset Frequency offset relative to the center frequency of the aggregated carrier e Power Lower Upper User Manual 1173 9386 02 05 25 R amp S FSW K10x LTE Uplink Measurements and Result Displays Shows the power of the carrier and the power of the lower and upper neighboring channels relative to the power of the aggregated carrier 2 Result Summary LTE Carrier Aggregation Channel Band Offset Power 3 d 13 19 dBm Tx 13 19 dBm Chan Band Lower Upper 45 42 dB 49 33 dB 68 67 dB 66 96 dB 46 26 dB 50 88 dB Remote command Selecting the result display CONF MEAS MCAC Querying results CALCulate lt n gt MARKer lt m gt FUNCtion POWer RESult CURRent TRACe DATA Querying limit check results CALCulate n LIMit k ACPower ACHannel RESult on page 122 CALCulate n LIMit k ACPower ALTernate RESult on page 122 CALCulate n LIMit k FAIL on page 123 User Manual 1173 9386 02 05 26 Symbols and Variables 3 Measurement Basics T

FSW-K10x LTE UL User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents