R&S SMIQ03B
Contents
1. rEEGLERCS PHE LEVEL EE SEUUEHCE LENGI ia GHAL W0 HEDH Cory 5AP E VECTOR HOO HCDMA CFF CLIPPIMG LEVER BGI AL BoD HD FILTER PiGiiaL Sto PoC TRIGGER moor Gl ERE CXECUTE TRIGO BECT ELECT Die H ES EIDEM E Influence of clipping MITPUT mip oe res hed aeta surEr LIET B iul gram on constellation dia e The long signal length of up to 13 Display of power frames with 3 84 Mcps allows control graph with external power con L PIECCTION eon CON CCH ECW EEN SEO CNCE LEMCTH i trol rir Despite the large variety of functions pro dendi L MIT Lej gm mh ULESATRE EESEILELOTDME 8E nl Paes PALEC SETTING vided by this option WCDMA signals realistic signals to be generated can quickly be generated with the aid of assistant functions With the aid of prede fined settings which may additionally be varied through the selection of the crest factor and the number of data channels a WCDMA signal can be generated with a few keystrokes Further editing tools allow simultaneous configuration of numerous data channels and copying of a complete BS or MS configuration But there is much more R amp S SMIQ also provides numerous tools for checking the selected settings overlapping of individ ual code channels in the code domain domain conflicts is displayed and can automatically be resolved by a key stroke The graphic display of constella tion diagram CCDF occup2. Doppler spectrum generated at a speed Advantages of the R amp S SMIQ fading concept e Unrivalled price performance ratio For the first time fading in a qual ity corresponding to that of a high grade simulator is available at a fraction of the costs previous ly involved e Compact With this concept neither exter nal RF signals nor a LO signal are required to simulate fading so that simulation is simply a compact one box solution e Versatile with calibrated output levels R amp S SMIQ fading capability can be used without any restric tion on the frequency and level range of the signal generator 140 to 5 dBm The user can define and store his own fading scenarios e Easy to operate Preprogrammed settings in line with the test specifications of mo bile radio standards can be re called at a keystroke Tests can be carried out easily and rapidly e In fine delay mode fading simula tor resolution is increased to 1 ns with up to four paths being avail able e n moving delay mode two paths are simulated for one path the de lay remains constant whereas for the other path the delay varies con tinuously e n birth death mode there are two paths changing delay in steps in accordance with the 3GPP channel model Vector Signal Generator R amp S SMIQ 15 Special options Special Options continued Noise generation and distortion simulation R amp S SMIQBI Real signals A si
3. Vector Signal Generator R amp S SMIQ Digital signals of your choice e Frequency range 300 kHz to e Generation of TDMA CDMA e Optional BER measurement 2 2 GHz 3 3 GHz 4 4 GH z WCDMA and CDMA2000 e Optional arbitrary waveform 6 4 GHz standard signals to all main generator e Analog and digital modulation mobile radio standards e Low ACP for IS 95 CDMA and e Versatile and broadband gen e Broadband Q modulator with WCDMA option eration of digitally modulated outstanding vector accuracy Low cost of ownership due to signals up to 18 Msymbol s e Optional internal fading three year calibration intervals simulator to test specifications e Future oriented platform concept of mobile radio standards e Optional internal noise genera tor and distortion simulator amp ROHDE amp SCHWARZ The right option for every application O9GOIWS SPY gay u o002 WWD P Ppunis prPrq ZTLNOIWS Seu O9GOIWS SPY GV YIM vWao s63sl propus prPrq LLOIWS S 93 JOJOIOUBD WIOJSADAA AID NIGIY 09goIWS S93 ddOE VWADM 19 suou unj pepueix 8pdgoOIWS SRA VWGOM PU VWQD S65l 19 dOV 91 ZpgdOIWS S 83 dd4 daoe oi 8uipio2 o vwqo AA p opuois jobId e SYIOIWS S 9 0 0 did v O LOW2D d LIN VWNQOAA P opuois oriPrq e EVAOIWS S 93 eo 50Oo O VWQOD S65I popups joi q e TVAOIWS SRA DDED O jUSWSINSHSW Jde LEJOIWS SRA O 1epo5 uoipnp
4. 8 Vector Signal Generator R amp S SMIQ dulation GSM spectrum 1 5 15314 312 10 08 n5 04 0 00 n O4 n5 O8 10 12 1415 Iris dt EDGE vector diagram DECT Digital Enhanced Cordless Telecommunication Standard This operating mode allows signals to be generated to ETSI DECT standard NADC North American Digital Cellular IS 54C IS 136 The data protocol structure conforms to NADC specifications IS 54C and IS 136 The following predefined burst types are available uplink burst down link burst all data PDC Personal Digital Cellular RCR STD 27C The data protocol structure conforms to PDC specification RCR 27C This stan dard is largely identical with the NADC standard 1 E GL FREG 2 000 000 000 0 vuedt FREQUENCY PHS STATE ILEUEL IEEE me ANALOG MOD WCDMA SET DEFAULT VECTOR MOD HCDMA 3GPP MODULATION DIGITAL MOD HAVC TRIGGER MODE PHS Personal Handy Phone System F C AEV_L INK CODED RCR STD 28 The data protocol structure conforms to E rus PHS specification RCR 28 The follow ing predefined burst types are pro vided control physical slot communi cation physical slot sync TCH VOX all data CDMA IS 95 Code Division Multiple Access with option R amp S SMIQB42 For the CDMA base station signal for ward link up to 64 code channels can be generated with user selected Walsh codes The power of the code channels can be selected independently for up to four chann
5. HT TRAFFIC 14400 PH LE 01 TEE TT Dat c tam LUTTE WCDMA to 3GPP FDD with option R amp S SMIQB45 Software option R amp S SMIQB45 sup ports the generation of downlink and uplink signals in line with the 3GPP standard FDD mode As the standard ization process is not yet completed the functionality of this option will continu ously be adapted to the relevant stand ard modifications and expansions for functionality see specifications The physical channels including their slot structure are simulated as a whole Therefore the signals exactly conform to the 3GPP standard regarding tim ing spectral distribution and ampli tude probability distribution and thus allow correct measurements on the components to be tested Vector Signal Generator R amp S SMIQ 9 Digital modulation Signals can be configured in many dif ferent ways 10 The current 3GPP standard is sup ported stipulating a chip rate of 3 84 Mcps and 15 slots frame Up to four base or mobile stations with separately selected scrambling code can be simulated One BS may have up to 128 data channels in ad dition to special channels An MS can be operated in the three modes PRACH only PCPCH only and DPCCH DPDCH max 6 DPDCHs Symbol rate channelization code power can even be varied in time as well as data contents and timing offset can be selected for each code channel timing offset can be used to influence signal sta
6. SMIQB45 1104 8232 02 For specifications See Low ACP for IS 95 CDMA and WCDMA R amp S SMIQBA47 1125 5090 02 Modification Kit for Low ACP factory installation only R amp S SMIQUA7 1125 5149 02 separate data sheet Extended Functions for WCDMA I3GPP i R amp S SMIQB48 1105 0587 02 enclosed Extended Fading Functions for WCDMA 3GPP R amp S SMIGB49 1105 1083 02 Arbitrary Waveform Generator incl R amp S WinlQSIM M R amp S SMIQB6O 1136 4390 02 TETRA T1 Simulator R amp S SMIQ K8 1136 4290 02 Digital Standard IS 95 CDMA for option R amp S SMIQB60 R amp S SMIQK11 1105 0287 02 Digital Standard cdma2000 for option R amp S SMIQB60 R amp S SMIQKI2 1105 0435 02 Digital Standard WCDMA TDD Mode 3GPP for option R amp S SMIQB O R amp S SMIQKI3 1105 1231 02 Digital Standard TD SCDMA for option R amp S SMIQB O R amp S SMIQK14 1105 1383 02 OFDM Signal Generation HIPERLAN 2 x for option R amp S SMIQB O R amp S SMIQK15 1105 1531 02 Certified Quality System Digital Standard 1xEV DO for option R amp S SMIGB60 R amp S SMIGK17 1154 7800 02 ISO 9 0 0 1 Digital Standard IEEE 802 11 for option R amp S SMIQB6O R amp S SMIQK19 1154 8307 02 Digital Standard 3GPPP FDD incl HSDPA R amp S SMIQK20 1400 5302 02 DOS REG NO 1954 OM Certified Environmental System ISO 14001 DOS REG NO 1954 UM for option R amp S SMIQB60 Additional hint R amp S SMIQO2B O3B R amp S SMIQO4B 06B can be equipped with up to three two of th
7. UUL OLA LIIF A SD GU AP MT Zt P oL T Wg Principle of digital modulation signal generation Vector Signal Generator R amp S SMIQ 7 Standards R amp S SMIQ fitted with the two options modulation coder R amp S SMIQB20 and data generator R amp S SMIQB1 1 provides standard conformal signals for testing mobile and base stations of the main mobile radio networks These test signals contain the necessary proto col information and frame structures for testing receivers The timeslots bursts and their data contents can be specified for the TDMA standards GSM GSM EDGE DECT NADC PDC and PHS via user friendly menus The main burst types are predefined and available at a key stroke They can easily be modified stored and reused for tests Continuous PRBS data streams and internally generated data lists as well as externally provided serial data streams can be inserted in realtime into the data fields of the frame structures GSM Global System for Mobile Communication Frames and timeslot configuration con form to the GSM standard Each time slot burst has a certain data structure depending on its use eg as traffic channel or channel for frequency syn chronization GSM EDGE System for Mobile Com munication In comparison with GSM and GMSK modulation GSM EDGE is based on 8PSK with 32 8 rotated modulation Modulation change between GMSK and 8PSK is possible slot by slot
8. a0 fe es E m iem ee Sim remm ees di pa Pri o ca Li5 u i x pn amus m m ___________ ra rr Radris pasen mi Put Bo ERMAS Gemi nbg i W ia Wi fb od ga m i mein d M s m E rcu pom miei Pam up T i E Ld MED ii i J an ur nag Dip Pim jepi Se Dri onan qom Cem paa PY Vector Signal Generator R amp S SMIQ 13 Special options Fading simulation options R amp S SMIQD14 D15 With the optional fading simulator the R amp S SMIQ models are the first signal generators allowing tests that corre spond to the capabilities of conven tional simulators Fading is thus no longer a matter of highly specialized measurement technology Fading simulation in R amp S SMIQ is based on the WSSUS wide sense sta tionary uncorrelated scattering model and meets the test specifications of all main mobile radio standards such as GSM Rec 05 05 Both internal and external I Q baseband signals are pro vided with defined multipath propaga tion factors through digital signal processing Conversion to the RF with calibrated level setting is made with the available hardware of R amp S SMIQ 6 path fading with R amp S SMIQB14 Option R amp S SMIQB14 allows realistic simulation of a received signal that is composed of up to 6 propagation paths irrespective of the selected modu lation mode with RF bandwidths of up t
9. by an external control sig nal This enables testing the closed loop power control function of a mobile station for example e From R amp S SMIQ firmware version 5 40 the four enhanced channels feature channel coding both in up link and downlink in accordance with the reference measurement channels definition This enables receiver and performance tests to TS 25 101 TS 25 104 and TS 25 141 In addition 12 2 kbps AMR speech to TS 25 944 is sup ported From R amp S SMIQ firmware 5 85 also the channel coded RACH and CPCH to TS 25 141 are supported Noise distortion 4 fading Noise Generator and Distortion Simulator SMIQB 17 Fading Simulator SMIQB14 B15 DUT RF or baseband signal Option R amp S SMIQB60 Complete test scenario with enhanced functions to digital standard WCDMA 3GPP FDD Vector Signal Generator R amp S SMIQ 11 e With the R amp S SMIQ firmware version 5 65 or higher the option R amp S SMIQB48 makes it also possible to generate a realtime downlink broad cast channel BCH with an incre menting system frame number SFN O to 4094 The BCH can be com bined with all reference measurement channels RMC 12 2 kbps 64 kbps 144 kbps 384 kbps or an AMR 12 2 kbps The sequence length of these channels RMC and AMR can be up to 2044 frames Application examples Receiver and performance tests to TS25 101 Test of synchronization of mobile to a base station signal combined with c
10. 4 Vector Signal Generator R amp S SMIQ Excellent spectral purity R amp S SMIQ provides output signals of excellent spectral purity Low noise fre quency synthesis ensures modulation of highest quality for reliable test sig nals Fast setting times Fast setting times are among the most important criteria when it comes to choosing the right signal generator especially in production The synthesizers of the R amp S SMIQ fam ily excel in this respect with a fre quency setting time of less than 3 ms they allow extremely fast measure ments Besides standard sweep functions for RF AF and level R amp S SMIQ features an extremely versatile and fast sweep mode for frequency and level settings to be carried out with the aid of stored lists This mode with a setting time of less than 500 us is ideal for frequency hopping applications Low cost of ownership The use of high precision reference elements with long term stability ensures reliable operation over a long period of time The three year calibra tion intervals cut costs and increase availability Designed for the future The open concept of R amp S SMIQ allows the functionality of the signal generator to be adapted to future requirements in a simple and cost effective way Since R amp S SMIQ uses programmable digital signal processing chips throughout its capabilities are not lim ited by the hardware used New functions can be downloaded v
11. In addition to a bandwidth that is designed for the needs of future broadband systems the modulator features high intermodulation suppres sion which with digital modulation yields excellent characteristics regard ing adjacentchannel power Broadband amplitude modulation Broadband amplitude modulation BB AM is provided as standard and allows accurate envelope control eg for pulse shaping or generation of an alog video signals It features high modulation quality and low incidental FM at modulation frequencies of up to 30 MHz 3 dB and is generated via the input of the I Q modulator Vector Signal Generator R amp S SMIQ 5 Analog modulation Jigital modulation Fit for every requirement The rapidly changing digital communi cations market makes great demands on measurement technology for one thing measurements need to be done fast in an uncomplicated way for another investments made today should cover the requirements of tomorrow R amp S SMIQ is setting standards It pro vides convenient generation of high pre cision signals in line with today s digital standards and in addition allows free variation of all digital modulation parameters TDMA CDMA or WCDMA R amp S SMIQ is at home in all access meth ods It is just as good in generating ver satile frame structures of all main TDMA systems as it is in CDMA and WCDMA applications Universal modulation coder The universal modulation coder opt
12. R of the basic R amp S SMIQ unit is made possible by the builtin high grade Q modula tor In conjunction with option R amp S SMIQB47 providing additional filter ing in the I Q signal path R amp S SMIQ becomes an ideal signal source suited to meet the most stringent require ments This option has especially been designed for IS 95 CDMA 1 2288 Mcps and WCDMA 3 840 Mcps and 4 096 Mcps 8 192 Mcps respectively and with adjacent chan nel power reduction provides suffi cient measurement margin for charac terizing and testing components eg amplifiers The adjacent channel power ratio for a WCDMA signal with one DITCH dedicated traffic channel is typically 67 dBc For IS 95 CDMA the typical adjacentchannel power ratio is 78 dBc Option R amp S SMIQB47 can be used both with internal signals of the modu lation coder R amp S SMIQB20 or with an external Q source eg R amp S AMIG ACP measurement fora WCDMA signal with option R amp S SMIQB47 3 84 MHz bandwidth 5 MHz offset 2 5 MHz I Q filter 7 9 channels 885 kHz offset 850 kHz I Q filter Fast CPU Fit for production Time is money R amp S SMIQ is equipped with a fast CPU for applications in pro duction where complete test runs should take no more than a few sec onds This CPU reduces the standard setting times for frequency and level to 3 ms without switching the mechanical attenuators to provide maximum throughpu
13. S SMIQ in TETRA simulator with defined degradations I Q impairments or noise and distortion with option R amp S SMIQB17 as well as the variation of bit rates and filtering to determine tolerance limits and to detect potential critical spots in new systems Components tests The high setting speed and modulation quality make R amp S SMIQ supreme for use in the development and production of digital components and modules The high intermodulation suppression of the Q modulator of R amp S SMIQ ensures excellent adjacent channel power ratios of the modulated output signal for conclusive linearity measure ments on amplifier components The high spurious suppression of gt 70 dB of the R amp S SMIQ output signal allows accurate measurements on mixer components Development of new digital communication systems R amp S SMIQ offers all capabilities that are required for developing new dig ital communication systems Featuring a modulation bandwidth of 30 MHz 3 dB the I Q modulator of R amp S SMIQ is ideal for future broad band systems The optional modulation coder allows any digital modulation modes from BPSK through to 256QAM to be generated with variable data rate and baseband filtering Module test with R amp S SMIQ R amp S AMIQ and Signal Analyzer R amp S FSIQ With the maximum symbol rate of 18 Msymbol s broadband digital modulation modes can be generated Any TDMA structures ca
14. at a keystroke base station and mobile station signals to telecommunication stand ards based on the capabilities of the optional digital modulation coder R amp S SMIQB20 The TDMA time divi sion multiple access standards GSM GSM EDGE DECT NADC IS 54C IS 136 PDC and PHS come with the optional data generator R amp S SMIQB11 The CDMA standard IS 95 R amp S SMIQB42 or WCDMA according to NTT DoCoMo systems R amp S SMIQB43 as well as WCDMA according to 3GPP FDD R amp S SMIQBA5 are also available as an option The number of future digital standards that can be simultaneously accommodated in R amp S SMIQ is unlimited 4 Arbitrary waveform generator The arbitrary waveform generator option R amp S SMIQB60 is an integrated Q modulation source add ing extra functionality to R amp S SMIQ It allows the genera tion of arbitrary modulation signals such as COFDM multicarrier or noise The most convenient way of gener ating a wide variety of signals is by computing them with the supplied R amp S WinIQSIM PC software and loading them into the unit see data sheet PD 0757 3970 Sig nals computed with the aid of commercial mathematical programs can be transferred too using free of charge auxiliary software R amp S IQWizard Comprehensive synchronization capabilities The optional Data Generator R amp S SMIQB11 with a memory of 15 Mbit which can be extended up to 79 Mbit is the internal data source for the mo
15. d ulation coder These data are also available at the outputs eg as refer ence for BER bit error rate measure ments Up to six different control signals can be generated synchronously with the data bits to provide symbol accurate trigger signals control frequency hop ping and mark level bursts With the aid of these control signals external measurements can be synchronized The internally generated data streams of the data generator can conveniently be synchronized to external trigger events A comprehensive range of functions such as trigger delay is avail able for this purpose The switching threshold of the trigger input can be adjusted to the level of external sig nals Convenient burst signal generation Symbol synchronous amplitude control of the RF signal is required especially for generating test signals for mobile radio systems using a TDMA method In addition to ensuring a large dynamic range the switching of time slots should be such that the spectrum due to switching is suppressed to a very high degree R amp S SMIQ is ideal to meet these requirements Convenient menus allow timeslots to be defined inde pendently of one another reduced in level or completely switched off More over the slew rate and the shape of the switching signal edge can be var ied fit already today for tomorrow s communication 4 TUUL POE ou SLA Zu Clock JUUL
16. dBm and pre cise output level 0 5 dB e Fast setting time for frequency lt 3 ms and level 2 5 ms e Frequency hopping 500 us e High spectral purity typ 130 dBc 1 Hz at 1 GHz and 20 kHz carrier offset e RF AF and level sweep user programmable Without switching the mechanical attenuators gt ROHDE amp SCHWARZ Special options Fading simulation options R amp S SMIQB14 and R amp S SMIQB15 e Fading of internal or external Q signals conforming to mobile radio standards e 6 path simulation can be enhanced to 12 path simulation 2 channel fading also possible with second vector signal generator e Selectable path attenuation and delay e Simulation of high speeds e Preprogrammed fading profiles for mobile radio standards GSM NADC IS 95 CDMA and TETRA SIGNAL GENE TIR CHARMEL wr P CINO TVPE SYNB RATE SPI JE Coni CRAY used code donain for all requirements e Frequency range of basic unit e Superimposed noise signals cdmaOne cdma2000 can be fully utilized AWGN 3 84 Mcps and 2 channels e Calibrated RF level in range from e C N ratio variable with high 3 84 Mcps 5 MHz offset 3GPP 140 dBm to 5 dBm resolution over a wide range e Can be used with internal option Unrivalled price performance e Broad noise bandwidth 10 kHz R amp S SMIQB42 43 45 or exter ratio to 10 MHz nal CDMA WCDMAA signals e Typical WCDMA adjacent chan Noise ge
17. e COFDM multicarrier and noise and downloading them into R amp S SMIQ Together with a convenient data edi tor R amp S WinlIQSIM can calculate any kind of TDMA frame configura tion simulate impairments by superim posed interference signals etc Note The 512 ksample waveform mem ory cannot actually be compared with the relevant data of conventional ARB generators In R amp S SMIQB6O the over sampling needed for suppressing repeti tive spectra by means of the analog filter 4 ol apy La F F 4 m m deemed Ste Mohame ppm Gehan Ae SMA va TEEL D eem t X L rr d i T ga den LE PES ap SS teas CHER E t s EEE is effected automatically and in realtime by way of hardware interpolation In this way no waveforms created by oversam pling have to be stored With WCDMA for example this allows the storage of waveforms that would require 1 25 Msample output memory in the case of conventional ARB generation Digital standard IS 95 with R amp S SMIQ and options R amp S SMIQK11 and R amp S SMIQB60 ARB In addition to generating IS 95 signals with option R amp S SMIQB42 R amp S SMIQ in conjunction with Arbitrary Waveform Generator R amp S SMIQB60 now simu lates CDMA signals to the North Ameri can standard IS 95A Option R amp S SMIQK11 enables IS 95 functionality under R amp S WinlQSIM Up to eight complete base stations comprising 64 code channels each are available in forwa
18. e following options R amp S SMIQ B5 R amp S SMIQB14 R amp S SMIQB15 R amp S SMIQB17 Application software PC Software Generation of data and control lists PC Software Bluetooth signals for R amp S SMIQ PC Software User mappings and user filters for R amp S SMIQ PC Software 802 11 packet error rate testing tool available at www rohde schwarz com Recommended extras R amp S SMIQ K1 R amp S SMIQ K5 R amp S User Mod 19 Adapter R amp S ZZA 94 0396 4905 00 Service Kit R amp S SM Z3 1085 2500 02 BNC Adapter for rear panel D type connector PAR DATA R amp S SMIQ Z5 1104 8555 02 90 Power Splitter R amp S SMIQ Z9 1104 9580 02 Trolley for Transit Case R amp S ZZK 1 1014 0510 00 Transit Case R amp S ZZK 944 1013 9366 00 Service Manual R amp S SMIQ 1085 2445 24 Instrument upgrades R amp S SMIQO2B to R amp S SMIQOS3B R amp S SMIQUO3 1125 5855 03 R amp S SMIQO3B to R amp S SMIQOAB R amp S SMIQUOA 1125 5855 04 R amp S SMIQOAB to R amp S SMIQO6B R amp S SMIQUO 1125 5855 06 0702 0704 Bi we Printed in Germany PD 0757 2438 27 Vector Signal Generator R amp S SMIQ Trade names are trademarks of the owners Subject to change Data without tolerances typical values ROHDE amp SCHWARZ ROHDE amp SCHWARZ GmbH amp Co KG M hldorfstraDe 15 81671 M nchen P O B 801469 81614 M nchen Germany Telephone 498941 29 0 www rohde schwarz com CustomerSupport Tel 49 1805124242 Fax 4989 4129 13777 E mail Cust
19. ecise level setting over a wide range Due to the losses in automatic test sys tems caused by cables and the use of power splitters relays attenuators 18 Vector Signal Generator R amp S SMIQ etc the absolute level accuracy is less important than the reproducibility of the settings R amp S SMIQ yields excel lent values in this respect Frame structures with defined data contents for BER measurements are made available by programmed standard settings Selectivity measurements on digital receivers Low phase and broadband noise high spurious suppression of gt 70 dB even with activated digital modulation as well as excellent adjacent channel power ratios make R amp S SMIQ an ideal source for selectivity measure ments on digital receivers Base station transmitter test For testing base station transmitters R amp S SMIQ is able to supply the data signals of the internal data generator DATA DATA CLK SYMB CLK as well as the analog I Q baseband signals Testing of equalizers The optional fading simulator for R amp S SMIQ is ideal for testing the equaliz ers of digital receivers While conven tional fading simulators need external RF input signals R amp S SMIQ generates its own modulated RF signal New equalizer concepts can thus be tested at a very early stage in development Tolerance tests on digital systems In addition to ideal signals R amp S SMIQ also allows the generation of signals R amp
20. els The channel data consist of various internal PRBS or fixed data patterns The mobile station signal reverse link can be configured for full rate as well as for half rate operation Moreover it is possible to generate a channel coded reverse link signal WCDMA to NTT DoCoMo and ARIB with option R amp S SMIQB43 WCDMA is one of the favoured tech nologies for 3rd generation mobile radio Fitted with option WCDMA R amp S SMIQBA3 R amp S SMIQ is able to gener ate WCDMA signals to the Japanese specifications of NTT DoCoMo and ARIB Association of Radio Industries and Businesses ARIB Specifications of Air Interface for a 3 G Mobile System DIGITAL amp TD PDC IMOISE DIST GSH EDGE rapiHG SIN ANIG CTA TRIGGER mM m ME ERT CHAHAEL TYPE EP SQL OUTPUT FErOUENCY Pai LEVEL THIGGEE aL coy mob Iz IT BEGITEL BGG us DECI TAL ETD CoMrE be hOISE DLST DECT FE amp bIMG SIH Like with IS 95 CDMA uplink mobile station to base station and downlink base station to mobile station can be simulated with up to 15 code channels A chip rate of 4 096 Mcps is preset but can be varied any time There is a choice of different types of physical channels such as perch com mon control or dedicated physical channels The frame structure consisting of various data fields traffic power con trol or long code mask symbol is auto matically generated for each type of channel HT I
21. ensures high accuracy and excellent reproducibility of measurements Versatile applications Distortion simulation and additive noise can be combined with the fol lowing R amp S SMIQ functions vector modulation digital modulation digital standards and fading simulator Constellation diagram of noisy QPSK signal modulation signal The method in detail The distortion characteristics are inter nally represented by 2000 interpola tion points which are determined by cubic spline interpolation from up to 30 input values Several distortion characteristics can be stored under user defined names and recalled AM AM and AM M distortion may also be defined by entering polyno mial coefficients up to the fifth order Inverse polynomials can be selected for compensating the distortion of an external amplifier The noise band width can be varied in a wide range Low ACP for IS 95 CDMA and WCDMA R amp S SMIQB47 Challenging test requirements Modern communications systems that are based on access methods like CDMA or WCDMA place demanding requirements on terminals and compo nents For testing components eg base station power amplifier that are used in such systems special test sources with outstanding characteristics regarding adjacent channel power ratio ACPR are required The mea surement equipment used should cause as little interference as possible ACPR unrivalled low The extraordinarily low ACP
22. ery simply via the serial interface of the generators Typical level accuracy at O dBm Typical I Q frequency response Fead HE 17h ERES 2 Typical SSB phase noiseat k GHz Mc ee Analog modulation Excellent analog characteristics R amp S SMIQ sets standards in the field of digital modulation without any re strictions on the analog side Amplitude modulation The modulation frequency range is DC to 50 kHz Particularly noteworthy is the extremely low incidental phase modulation with AM which plays an important role in AM sensitivity tests on FM receivers Frequency modulation option R amp S SM B5 The modulation frequency range is DC to 2 MHz In the FM DC mode ex tremely high carrier frequency accura cy is ensured through the use of a nov el control circuit There is virtually no drift This characteristic allows the dig ital signalling of receivers also by means of analog frequency modula tion Phase modulation Phase modulation ranges from DC to 100 kHz This wide span opens up fields of application for which most sig nal generators do not qualify for in stance tests on phase sensitive circuits or the generation of PSK modulation with freely selectable phase deviation IQ modulation at the highest level The precision Q modulator of R amp S SMIQ is the basis for the excellent modulation characteristics with spuri ous suppression of more than 70 dB
23. gnal generator is normally used to generate as near as possible ideal sig nals For testing receivers it is however also necessary to simulate real transmit ting and receiving conditions This is exactly what option R amp S SMIQB17 has been designed for Noise generator With the aid of the noise generator an additive white Gaussian noise AWGN signal can be superimposed on the output signal of R amp S SMIQ The ratio of carrier power to noise power C N can be varied with high resolu tion over a wide range This allows for instance precise sensitivity measure ment of receiver circuits with defined C N Distortion simulator The distortion simulator allows simula tion of amplitude and phase distortion eg of a travelling wave tube in a sat ellite output stage All that has to be done is to enter via the IEC IEEE bus the input values of the AM AM and AM oM characteristics to be simu lated The complete characteristics forming the basis for nonlinear distor tion of the I Q baseband signals are calculated by means of spline interpo lation It is possible to distort I Q sig nals irrespective of whether they are generated by the internal modulation coder or applied from an external SOUICe Vector diagram of distorted 16 Vector Signal Generator R amp S SMIQ Digital signal processing in the base band I and Q signals is used both for the generation of the AWGN signal and distortion of the output signal This
24. ied code domain and active channels allows the generated signals to be checked for con formance to expectations even without the use of an analyzer Enhanced functions for WCDMA 3GPP FDD digital standard with option R amp S SMIQB48 This option expands the functionality of option R amp S SMIQB45 WCDMA Long sequences channel coding Data Generator SMIQB11 2xSMIQB12 e 256 to 1022 frames e channel coding e BER test e BIER test External Modulation Coder SMIQB20 Le opos s Le power control 3GPP It allows the generation of up to four enhanced channels that can be combined with the standard channels This opens up a variety of other appli cations e The maximum sequence length of four enhanced channels is 256 frames If only one channel is re quired the maximum is 1022 frames compare sequence length with R amp S SMIQBA5 13 frames Very long signal sequences and con tinuous PRBS sequences eg PN9 like those often required for BER measurements can thus be imple mented for the channel under test e For the enhanced channels data fields and the transmit power con trol TPC field of the slots can be filled from data lists This allows the use of externally precoded da ta or the generation of long power control profiles for the DUT W CDMA 3GPP SMIQBA5 ARB SMIQB60 Tey E e The code channel power of en hanced channels can be varied in realtime
25. ion R amp S SMIQB20 is the core of complex digital modulation generation From the digital input signals it derives the analog signals for the I Q modulator of R amp S SMIQ in realtime The internal or exter nal digital input signals are made up of serial or parallel data bit streams clock signals signals for burst control and trig gering A PRBS generator of different sequence lengths is contained in the modulation coder as an internal signal SOUrce The modulation coder allows free selec tion of the format baseband filtering and symbol rate of digital modulation The selected parameters can be varied within a wide range 6 Vector Signal Generator R amp S SMIQ Four ways of generating digital signals Vector Signal Generators R amp S SMIQ can generate digit ally modulated signals in four different ways 1 Vector modulation In this mode externally generated Q signals are applied to the I Q modulator of R amp S SMIQ I Q Modu lation Generator R amp S AMIQ together with Simulation Software R amp S WinlQSIM are perfect tools for the generation of external I Q signals 2 Digital modulation The universal modulation coder R amp S SMIQB20 and data generator R amp S SMIGB1 1 options provide a platform for generating digitally modulated signals that are variable in a wide range Modulation mode filtering data source and symbol rate can be selected by the user 3 Digital standards The digital standards provide
26. n be pro duced with the aid of a programmable burst generator The modulation coder of R amp S SMIQ is already equipped for future applica tions eg in the field of broadband spread spectrum systems wireless local loop wireless LAN R amp S SMIQ meets already today the challenges of tomorrow s market Vector Signal Generator R amp S SMIQ 19 Applications Ordering information Vector Signal Generator R amp S SMIQO2B 300 kHz to 2 2 GHz R amp S SMIQO3B 300 kHz to 3 3 GHz R amp S SMIQOAB 300 kHz to 4 4 GHz R amp S SMIQO6B 300 kHz to 6 4 GHz Accessories supplied 1125 5555 02 1125 5555 03 1125 5555 04 1125 5555 06 power cable operating manual Options Reference Oscillator OCXO R amp S SM B1 1036 7599 02 FM oM Modulator R amp S SM B5 1036 8489 02 Data Generator R amp S SMIGB1 1 1085 4502 04 Memory Extension 32 Mbit R amp S SMIQB12 1085 2800 04 Fading Simulator 6 paths R amp S SMIQB14 1085 4002 02 Second Fading Simulator for 12 paths or 2 channels R amp S SMIQBI5 1085 4402 02 Noise Generator and Distortion Simulator R amp S SMIQB17 1104 9000 02 RF and AF Rear Connectors R amp S SMIQBI9 1085 2997 02 Modulation Coder R amp S SMIQB20 1125 5190 02 BER Measurement R amp S SMIQB2 1 1125 5490 02 Digital Standard IS 95 CDMA R amp S SMIQB42 1104 7936 02 Digital Standard WCDMA acc to NTT DoCoMo 1 0 ARIB 0 0 standard R amp S SMIQBA3 1104 8032 02 T Digital Standard WCDMA acc to 3GPP FDD R amp S
27. n their upper fre quency limits These feature a hitherto unrivalled versatility regarding signal SMIQ02B I MIQU3B SMIGQUAIE Ss ECHL generation and signal quality and are therefore ideal for use in development and type approval testing With their outstanding price perform ance ratio these signal generators are also economically attractive for appli cations in production S00 KHz to 2 2 GHz 300 kHz to 3 H00 kHz The wide frequency range from 300 kHz to 6 4 GHz covers all main radio bands including their IF ranges The high grade I Q modulator fitted as standard ensures minimum error vector magnitude and high intermodu lation suppression Using modern digital signal processor DSP technology the versatile concept allows the generation of high preci sion digital modulation signals with high bit rates without any limita tions on modulation Witt modes or standards to 4 4 GT S00 KHZ to b4 GHZ In addition to digital modulation the signal generators provide the full range of analog modulation modes as well as simultaneous modulation capa bility Every model upgradable up to 6 4 GHz R amp S SMIQ a signal generator family with option R amp S SMIQB20 e Free choice of modulation mode from ASK through to 256QAM e A Y ps of bassai pies 18 B Acymbol s e Realtime coding of internal and external data e Internal PRBS generators venient burst generation for TDMA s
28. nerator and distortion Bit error rate measurements nel power ratio simulator option R amp S SMIQB 17 option R amp S SMIQB21 5 MHz offset 3 84 Mcps e Simulation of amplitude and e Up to 30 MHz clock rate 67 dBc 1 DPCH phase distortion AM AM and e Typical IS 95 CDMA adjacent AM M characteristics Low ACP for IS 95 CDMA and channel power ratio e Distortion characteristics WCDMA option R amp S SMIQBA7 885 kHz offset 78 dBc programmable from up to e Specially designed for 9 code channels 30 input values 1 2288 Mcps JATOR 300kHz 3 3GHz SMIQ 03B 1125 5555 03 LU BLACK domain conflicts TIRT OCA SELECT E i 70 0 5 Vector Signal Generator R amp S SMIQ 9 Outstanding RF characteristics From 300 kHz to 6 4 GHz With its wide frequency range the R amp S SMIQ family has the right model for every application The uppermost frequency limit of 6 4 GHz leaves suf ficient margin even for WLL wireless local loop systems Frequency exten sion options allow upgrading to higher frequency limits Level high and precise With a maximum output level of 13 dBm 16 dBm in overrange insertion losses caused by cables or switching matrixes can easily be com pensated For driving components with high input level the use of an external amplifier is not necessary A level accuracy of 0 5 dB allows high precision measurements even on highly sensitive analog and digital receivers
29. o 14 MHz 3 dB Each of the 6 propagation paths can be individually parameterized in a wide range Rayleigh Rice and lognormal fading profiles can be selected independently for each path Likewise attenuation delay and speed can be set separately for each propagation path In addition to user configurations pre programmed settings in line with test specifications of mobile radio stan dards GSM NADC 15 95 CDMA and TETRA can be called at a key stroke which greatly facilitates opera tion Why fading tests Short time signal fading as caused by multipath propagation strongly affects the error rate of the received signal due to the short symbol peri ods in digital mobile radio Modern digital systems overcome these problems with the aid of appropriate error control coding methods as well as algorithms for delay equalizing Interleaving is employed to over come the problem of losing large parts of the messages Resistance to fading is an essential quality criterion of digital mobile radio systems and means a consid erable competitive advantage for the manufacturer Tests with real world signals using fading simulators are a must to spot the weak points in new concepts at an early stage so that appropriate modifications can be made Generating two correlated faded RF channels Data Q WP Level R amp S SMIQ I Q Modulator 30 MHz BW Q faded p gt Time
30. o RFI Correlation 6 paths R amp S SMIQ 1 with options R amp S SMIQB11 B14 B15 B20 Q faded faded Q Level R amp S SMIQ I Q Modulator gt R amp S SMIQ 2 30 MHz BW no options required p gt Time RF2 6 paths 14 Vector Signal Generator R amp S SMIQ Typical Rayleigh fading profile 12 path fading with R amp S SMIQB15 Option R amp S SMIQB15 provides another 6 paths for fading which can be parameterized exactly as the first 6 paths to give a total of 12 paths 2 channel fading 6 paths per channel For testing base station receivers with two separate antenna inputs diver sity the I Q output signals of options R amp S SMIQB14 and B15 can be sepa rated in the 6 6 path fading mode Rayleigh fading of 180 km h RF 1 8 GHz While the I Q signals of the first fad ing simulator option R amp S SMIQB 14 are used for driving the internal I Q modulator the second fading option R amp S SMIQB15 is used to feed a sec ond vector signal generator In this mode the individual propagation paths of the two options can be corre lated with each other one by one in pairs Enhanced fading functions for WCDMA 3GPP with option R amp S SMIQB49 R amp S SMIQBA9 extends the functional ity of fading options R amp S SMIQB14 B15 to include WCDMA 3GPP chan nel simulation It adds three new modes to the fading simulator so that all scenarios defined in 3GPP Release 99 can be simulated
31. omerSupport rohde schwarz com
32. ontinuous measurement of DTCH and DCCH bit error rate and block error rate using a PN9 data sequence e For a realistic simulation of WCDMA scenarios up to 64 background mobile stations can be generated in uplink in addition to the four standard mobile stations In downlink as many as 508 back ground channels DPCHs can be generated in addition to the four enhanced channels 16 OCNS or thogonal channel noise simula tion channels according to the 3GPP specification TS 25 241 can be generated upon a keystroke e Bit errors can be created and in serted into the data of the en hanced channels In this way the internal BER testers of base or mo bile stations can be checked for ex ample e Block errors BLERs can be insert ed into the channel coded data e t is possible to generate WCDMA signals of up to 2 minutes repeti tion rate by combining standard channels R amp S SMIQBA5 and en 12 Vector Signal Generator R amp S SMIQ ital modulation hanced channels R amp S SMIQBA8 of different subsequence length Arbitrary Waveform Generator R amp S SMIQB60 To further enhance the versatility of the modulation coder a dual channel arbitrary waveform generator ARB with a maximum clock rate of 40 MHz is available as an option It can store up to 512 ksamples of externally com puted I Q values The supplied R amp S WinIQSIM soft ware allows the calculation of arbi trary modulation signals for exampl
33. ow obd OZIOIWS S 83l JojJD nuuIG UOInJOJSI pub JOJDJouec SION Z LIOIWS SQA Oe Oe Oe Oe syjod 9 s0jojnwig Buipo4 puz SLGOIWS SRA syjod g Joypjnwig Buipo4 pLgolws S93 HAW Ze uoisuejx3 Aiowew Z LgOIWS S 83 Wv3 HOW GL 170101eue6 OOQ g LISOIWS S 93 Joyojnpow WO W4 Gg WS SRA OXJQ APs vousicied TEWS Sed O OjJOJ 0 o OjJOJ O0 o OJOJ OJO OJO Daa D D oM eU o eU Seed ns ads ue d EQ APPLICATION TDMA To standard Non standard CDMA IS 95 To standard WCDMA To standard CDMA 2000 To standard Fading Vector modulation Analog modulation AM FM oM Fast setting time ing options R amp S SM B5 R amp S SMIQB14 R amp S SMIQB15 or R amp S SMIQB17 R amp S SMIQO2B 03B R amp S SMIQOAB O6B can be equipped with up to three two of the follow 1 Option R amp S SMIGB20 required R amp S SMIQ rear panel optional O required Options R amp S SMIQB20 and R amp S SMIQB11 required 3 A safe investment for the future The B series of Signal Generator Fam ily R amp S SMIQ for analog and digital modulation from Rohde amp Schwarz is offering solutions for today and tomor row This series particularly takes into account future developments in the field of 3rd generation digital mobile radio The R amp S SMIQ family comprises four models which differ i
34. rd link and up to 16 mobile stations in reverse link The channel power can be set independ ently for all code channels Moreover adjacent channel power can be calculated for the first and the eh ek ok oh LL IL qu xj second adjacent channel and output as a spectral display The CCDF trace too can be displayed Digital standard cdma2000 with R amp S SMIQ and options R amp S SMIQK12 and R amp S SMIQB60 ARB CDMA signals to the North American standard IS 2000 can be simulated by means of software option R amp S SMIQK12 in conjunction with Arbi trary Waveform Generator R amp S SMIQB60 Option R amp S SMIQK1 2 enables cdma2000 functionality under R amp S WinlQSIM The modes 1X direct spread 3X direct spread and 3X multicarrier forward link only are available In forward link four base stations of max 91 code channels can be set in reverse link four mobile stations of max 13 code channels each irrespective of the radio configuration in each case In mode 1X radio configurations RC 1 to RC 5 are available in mode 3X RC 6 to RC 9 Channel coding can be set for each base station and mobile station selectable modes coding off coding complete without interleaving inter leaving only R amp S WinlIQSIM enables graphic display of CCDF traces channel graph domain conflicts and code domain the latter two only in forward link Convenient operation With Res WinlQs51IMe
35. t and so ensures competi tiveness and economy of the produc tion line BER measurement R amp S SMIQB21 Measuring the bit error rate has be come a frequently used method for the verification of digital communication systems eg measuring the sensitivity or selectivity of receivers subsystems and components The retrofittable op tion R amp S SMIQB21 allows R amp S SMIQ to be used for these BER bit er ror rate measurements The device un der test DUT has to deliver the data to be tested and the associated clock If the DUT does not have its own clock it can be generated by R amp S SMIQ and output via bit and or symbol clock The builtin BER tester compares these data with the nominal data and calcu lates the error rate Various standard PRBS sequences PN9 PN15 etc are used as nominal data The result of the BER measurement is also available via the remote control interface Vector Signal Generator R amp S SMIQ 17 Special options Applications Type approval testing of digital base and mobile stations Mobile and base stations are complex systems where signal generators are used for testing out system parts such as receivers modulators and amplifi ers Due to its versatility and signal quality R amp S SMIQ is ideally suited to handle these tasks Sensitivity measurements on digital receivers Sensitivity measurements on digital receivers require high modulation quality as well as pr
36. tandards ith option R amp S SMIQB20 R amp S SMIQBI 1 e TDMA mobile radio standards provided as standard GSM GSM EDGE DECT NADC IS 54C IS 136 PDC PHS e Versatile external synchronization capabilities e Realtime processing of external and internal data Analog modulation e Broadband AM with upto 30 MHz modulation frequency e Q modulation with 30 MHz modulation bandwidth 3 dB 60 MHz RF bandwidth e Unprecedented vector accura cy and high intermodulation suppression e Amplitude modulation e Pulse modulation e Optional frequency and phase modulation R amp S SM B5 2 Vector Signal Generator R amp S SMIQ e Generation of TDMA frames with versatile timeslot configuration e Continuous PRBS sequences e Optimization of burst shaping to reduce spectra due to switching e Realtime processing with external data for BER tests e Slotby slot modulation change for TDMA d e Signals with preprogrammed frame structure Up to 79 Mbit internal data memory with 2 x option R amp S SMIQB12 Optional multichannel WCDMA signals for 3GPP FDD systems R amp S SMIQB45 Optional cdma 2000 standard R amp S SMIQB60 R amp S SMIQK12 Optional WCDMA standard to ARIBO O standard and NTT DoCoMo 1 0 R amp S SMIQB43 Optional CDMA standard to IS 95 R amp S SMIQB42 or R amp S SMIQB60 R amp S SMIQK11 RF characteristics e Wide output frequency range from 300 kHz to 6 4 GHz e High up to 16
37. tistics and thus crest factor P S CPICH P S SCH P S CCPCH AP CD AICH PDSCH DLDPCCH and DPCHs with their correspond ing slot structure can be generated in the downlink Transmit diversity is also already supported The clipping function allows simple simulation of the clipping measures implemented in every base station With the R amp S SMIQ firmware version 5 70 or higher WCDMA 3GPP FDD signals are generated to 3GPP version 4 1 0 For the downlink test models 1 with 16 32 64 channels 2 3 16 32 channels and 4 have been implemented to 525 141 This enables the user to activate downlink test signals to 3GPP specifi cation with a keystroke There are two non standardized test scenarios available for the uplink DPCCH 1 DPDCH at 60 ksps and DPCCH 1 DPDCH at 960 ksps Vector Signal Generator R amp S SMIQ WCDMA spectrum 00 dha ap din TT t S LIT NS nrc s ne D HN d m 2 000 000 0000 a WES FREE Lev j i o 0 aa in M Lal bal ANTENNA NT CHA 5 MAI 10 Ce i 2000 10040 urgia forsi i CIA ud a i 0 0010 D OW Ei Code domain display above and CCDF display left LL he if J Feah r Peer FT de ree 2 000 000 000 0 JU CTS MATS LEVEL TIE amp MALOG MOD HCPM COPT BE Mi LO HOD mesna acr CLAPP LHe LEVEL GPCI TAL S nape E FILTER o DD da AXN M Ia cons TELLAT ION a To eae l MEM LLL ee S ee
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