the art of signal generation - rohde & schwarzthe art of signal generation vector signal...
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Prod
uct b
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Version 01.00
November 2004
Version
02.03
September
2006
Vector Signal Generator ¸SMU200AThe art of signal generation
� Vector Signal Generator ¸SMU200A
TheVectorSignalGenerator¸SMU�00Ahasbeendesignedtomeetallrequirementsencounteredinre-searchanddevelopmentofmoderncom-municationssystemsaswellasintheirproduction.The¸SMU�00Anotonlycombinesuptotwoindependentsignalgeneratorsinonecabinetofonlyfourheightunits–italsooffersunrivaledRFandbasebandcharacteristics.
Highlights of a new generation
Duetoitsmodulardesign,the¸SMU�00Acanbeoptimallyadapt-edtotherequirementsofdifferentap-plications.ThefirstRFpathcanbeequippedwithoneofthefouravailablefrequencyoptions.Theupperfrequen-cylimitof�.�GHz/3GHz/4GHzor6GHzisuser-selectable.Inaddition,asecondRFpathcanbeinstalledwithupperfre-quencylimitsof�.�GHzand3GHz.Thelowerfrequencylimitofallfrequencyoptionsis100kHz.
Uptotwogeneratorscanalsobein-stalledinthebasebandsection.Theygeneratecomplexsignalsinrealtimeandareequippedwithanarbitrarywaveformgeneratorwith64MsamplememoryforIandQ(�56Mbyte).Thesignalsgener-atedinthedifferentbasebandscanbeadded.Frequencyoffsetoftheindividualsignalsispossible.
Themodern,intuitiveconceptofthe¸SMU�00Aensuresfastandeasyoperation.
� Vector Signal Generator ¸SMU200A
Vector Signal Generator ¸SMU200A 3
Two signal generators in one
Frequencyoptionsfrom100kHzto�.�GHz/3GHz/4GHz/6GHzforthefirstRFpathOptionalsecondRFpathupto�.�GHzor3GHzUptotwocompletebasebandpathsLosslesscombinationofbasebandsignalsinthedigitaldomain(e.g.fortestingmultistandardbasestations)
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Outstanding signal quality
I/Qmodulatorwith�00MHzRFband-widthVerylowSSBphasenoiseoftyp.–135dBc(f=1GHz,�0kHzcarrieroffset,1Hzmeasurementbandwidth)Widebandnoiseoftyp.–153dBc(CW,f=1GHz,>5MHzcarrieroff-set,1Hzmeasurementbandwidth)ExcellentACLRoftypically+70dBfor3GPPFDD(testmodel1,64DPCHs)Veryhighlevelrepeatabilityof0.05dBHighoutputpowerupto+19dBm(PEP),overrange+�6dBmHigh-stabilityreferenceoscillatorasstandard
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Unrivaled flexibility
Fourcodechannelsinrealtimefor3GPPFDDChangeofmodulationfromslottoslotforGSM/EDGEBasebandgeneratorwithuniversalcoderforrealtimesignalgenerationArbitrarywaveformgeneratorwith64MsamplesforIandQ(�56Mbyte)Arbitrarywaveformgeneratorsup-portedbySimulationSoftware¸WinIQSIM™Optionalfadingsimulatorwithupto40fadingpaths
Intuitive operation
Colordisplaywith800×600pixels(SVGAformat)Intuitiveuserinterfacewithgraphicaldisplayofsignalflow(blockdiagram)Graphicaldisplayofbasebandsignalsthroughbuilt-intransientrecorderContext-sensitivehelpsystem
Ideal for production
Veryshortfrequencysettingtimes(<3ms);only450µsinListmodeElectronicattenuatorupto6GHzMinimumspacerequiredastwocom-pletegeneratorsareaccommodat-edinonecabinetofonlyfourheightunits
Connectivity
Canberemote-controlledviaGPIBandLANUSBconnectorsforkeyboard,mouseandmemorystickUser-selectabletriggerandmarkersignals
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4 Vector Signal Generator ¸SMU200A
Intuitive operation
The¸SMU�00Aisequippedwithamodernandintuitiveuserinterface.ThesignalflowfromthebasebandtotheRFoutputisclearlyshownintheblockdia-gram.Eachblockrepresentsafunction-alunitoftheinstrument.Thegeneratedsignalcanbeseenataglance,includingwhetheritisaffectedbyadditivewhiteGaussiannoiseorotherimpairments.
Therotaryknobplaysacentralrolein¸SMU�00Aoperation.Itallowstheinstrumenttobeoperatedwithonehand.Anytask–whethernavigatingintheblockdiagramormenus,selectingofparametersortogglingbetweenstates–canbeperformedsimplybyturningorpressingtherotaryknob.
Activewindowsareindicatedbyala-beledbuttonintheWinbaratthebot-tomofthescreen.Withthesoftkeybe-low,therespectivewindowcanbequicklybroughttotheforeground.Thisallowsrapidnavigationbetweendiffer-entwindows.Itispossible,forinstance,tosimultaneouslydisplaytwoslotsofaGSM/EDGEsystemandtotogglebe-tweenthem.Windowscanofcourseal-sobeautomaticallyarranged(REARR),hidden(HIDE)orclosed(CLOSE)bymeansofhardkeys.
Block diagram of the ¸SMU200A
Tool tip for permissible frequency setting range
Turn
Click
Rotary knob for navigation in the menus
Softkeys and hardkeys of the ¸SMU200A for windows
management
Vector Signal Generator ¸SMU200A 5
Thebasebandsignalcanbemonitoredinthegraphicsblock.Forinstance,thevectororconstellationdiagram,theI/Qcharacteristicortheoutputspectrumofasignalcanbedisplayed,makingitpossibletocheckwhetherthegenerat-edsignalcorrespondstotherequiredsignal.Thisisofgreathelpparticularlywhencomplexsignalsareproduced.
Anotheroutstandingfeatureofthe¸SMU�00Aisitscontext-sensitiveonlinehelp.Iftheexactfunctionofapa-rameterisnotknown,simplypushingthehelpkeyinstantaneouslydisplaysahelptextwithinformationaboutthese-lectedparameter.Furtherinformationcanbeobtainedthroughnavigationwithabrowser-likesystem.Thehelpsystemalsospecifiestherelevantremote-con-trolcommands.Full-textsearchinginthehelpsystem,whichcontainsthecom-pleteoperatingmanual,comesinhandywhencomplexmeasurementtasksaretobeperformed.Tooltipsareprovidedinaddition.Ifyoupauseonaparameter,thecurrentlypermissiblesettingrangeisdisplayed.
Moreinformationabouttheuserinter-faceathttp://www.smu.rohde-schwarz.com/
Graphics block with I/Q, vector and spectrum diagram
Help system
6 Vector Signal Generator ¸SMU200A
Outstanding signal quality
Owingtothesophisticatedmultiloopsynthesizerconcept,the¸SMU�00AfeaturesextremelylowSSBphasenoiseandwidebandnoise.Ahigh-stabilityoven-controlledreferenceoscillatorisin-stalledasstandard,whichprovidesex-cellentagingcharacteristicsaswellasminimumtemperaturedrift.Inaddition,thelowphasenoiseoptionfurtheren-hancestheperformancesignificant-ly.The¸SMU�00Aisideal,forin-stance,forLOorVCOsubstitution.
Amplifiersof3GPPbasestationsrequireverygoodadjacentchannelleakageratio(ACLR)performanceinordernottoim-pairtheadjacentchannelsofthetrans-mission.Totestthisfeature,theACLRcharacteristicsofthesignalgeneratormustbebetterthanthoseoftheampli-fier.Presently,multicarrierpowerampli-fiersareincreasinglyused.Inthiscase,notonlyonebutseveralneighboringsig-nalsinthefrequencyrangeareampli-fied.Testingsuchamplifiersplacesevenhigherdemandsonsignalgeneratorca-pabilities.TheoutstandingACLRchar-acteristicsofthe¸SMU�00Amorethanqualifythegeneratorforthistask.
WhenexternalI/Qsignalsareap-plied,the¸SMU�00AfeaturesanRFbandwidthof�00MHz.Iftheinter-nalbasebandisused,anRFbandwidthof80MHzisavailable,whichisidealfortestingmulticarrieramplifiers.The¸SMU�00Aisthuswellpreparedforfuturebroadbandsystems.
–40–50–60–70–80–90–100–110–120–130–140–150–160
SSBphasenoise/dBc(1Hz)
1 10 102 103 104 105 106 107
2,1 GHz
Frequency offset / Hz
100 MHz
850 MHz
5,7 GHz
Typical SSB phase noise at 100 MHz, 850 MHz, 2.1 GHz and 5.7 GHz with internal reference oscillator (without low phase noise option)
A
Ref -9.5 dBm Att 10 dB*
**
*1 RMCLRWR
RBW 30 kHzVBW 300 kHzSWT 2 s
NOR
*
Center 2.16 GHz Span 25.5 MHz2.55 MHz/
SGL
PRN
-90
-80
-70
-60
-50
-40
-30
-20-9.45
Tx Channel W-CDMA 3GPP FWDBandwidth 3.84 MHz Power -6.03 dBmAdjacent ChannelBandwidth 3.84 MHz Lower -70.03 dBSpacing 5 MHz Upper -70.40 dBAlternate ChannelBandwidth 3.84 MHz Lower -72.96 dBSpacing 10 MHz Upper -73.42 dB
-100
Outstanding ACLR characteristics
-100 -80 -60 -40 -20 0 20 40 60 80 100-5
-4
-3
-2
-1
0
1
2
3
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5
Frequency offset from carrier / MHz
Delta/dB
RF 850 MHzRF 1900 MHzRF 2200 MHz
Frequency response (mode: external wideband I/Q)
Vector Signal Generator ¸SMU200A 7
The¸SMU�00Aoffershighlyac-curateoutputpowerofupto+13dBm(PEP).Awear-and-tear-freeelectronicattenuatorisusedinthefulllevelrange.Withtheaidofthehigh-powerout-putoption,theoutputpowercanbein-creasedto+�6dBm(PEP)intheover-range.
DigitalALCimplementedinthe¸SMU�00Atogetherwithadetectoroperatingatconstanttemperatureen-sureshighlevellinearityandrepeatabili-ty.ALCmaybeonformostkindsofcom-plexsignalscenarios.
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Level/dBm
0 0.5
Frequency / GHz
Available Power, Attenuator Mode Normal (lower trace) and High Power (upper trace)
1.0 1.5 2.0 2.5 3.0
Typical maximum out-put power versus fre-quency (with and with-out high-power output option)
0 1 2 3 4 5 6-0.03
-0.02
-0.01
0
0.01
0.02
0.03
Time/hours
Leveldeviation/dB
Level repeatability (2 GHz, 0 dBm, ALC=ON)
CWInternal baseband I/QExternal wideband I/Q
High level repeatability of the ¸SMU200A
Amplifier test with the ¸SMU200A
8 Vector Signal Generator ¸SMU200A
Unrivaled flexibility
Thestandardsofthethirdmobileradiogenerationsetconsiderablyhigherde-mandsonsignalgeneratorfunctional-ity.BecauseoftheirgoodRFcharacter-isticsandtheirflexibility,signalgenera-torsaretheinstrumentofchoiceparticu-larlywhenbasestationsaretested.Theuniversalcoderinthebasebandgenera-torofthe¸SMU�00Ahasbeende-signedforeasyimplementationofnewstandards.The¸SMU�00Aisthere-forewellpreparedforpresentandfuturemobileradiostandards.
Inthecaseof3GPPFDD,the¸SMU�00Acangenerateuptofourcodechannelsinrealtime.Uptofourbasestationswith1�8codechannelseachorfourmobilestationscanbesim-ulated.Thisallowsanyconfigurationtobeset,fromreferencemeasurementchannelsinlinewith3GPPTS�5.141orTS�5.101uptocomplexcodechannelscenariosfortrafficsimulationinthemo-bileradionetwork.
Forthecontrolchannels,thetransmitpowercontrol(TPC)fieldoftheindivid-ualslotsofaframecanbereadfromadatalist.ThisallowslongTPCprofilestobegeneratedforpower-levelcontrolintheDUT.Withthisfeature,outputpow-errampingorthemaximumoutputpow-erofamobilephonecanbemeasured,forinstance.TheTPCinformationcanal-sobeusedforpower-levelcontrolintherespectivecodechannelofthesignaltobeoutputbythe¸SMU�00A.Thisallowssimulationofcomplexpowersce-nariosasmayoccurforamobilephoneinmotion.
The¸SMU�00Aiscapableofin-sertingbiterrorsandblockerrorsinthegeneratedsignal.Thisallowstheinter-nalbiterrorratio(BER)andblockerrorratio(BLER)calculationsofabasesta-
Four code channels in realtime with additional background channels
Realtimechannels
The mobile phone changes its output power in compliance with TPC information from the ¸SMU200A
The ¸SMU200A changes the code channel output power on the basis of the TPC field
0 1 1 0 1 0 1 0 1…
Bit error
1 0 1 1…
Block error
0
Information data
CRC attachment
Tail bit attachment
Conv. coding R=1/3
Rate matching
1st interleaving
804
686
686
244 16 8
DATA CRC
244
DTCHCRC16
360
308
308
100 12 8
100 12
100
DCCHCRC12
Tail8Tail8
Transmission
1
Insertion of bit errors and block errors into the output signal
Vector Signal Generator ¸SMU200A 9
tiontobecheckedinlinewithTS�5.141.Thenumberofrequiredbitandblocker-rorscanbesetinthe¸SMU�00A.Becauseofgenerationinrealtime,con-tinuousmeasurementsofBERandBLERcanbecarriedoutwithoutwrap-aroundproblems.
Thereceiverofamobilephonemustofcoursealsofunctionunderrealoperat-ingconditions.Tocheckthis,orthogo-nalbackgroundandinterferingchannelsofabasestationcanbesimulatedinlinewithTS�5.101.Thepowerofthesechannelsisautomaticallyconfiguredsothatthetotaloutputpowerofthebasestationremainsunchanged.ThisallowsmeasurementsofthemaximuminputlevelinlinewithTS�5.101,forinstance.Thebasestationmustalsobetestedun-derrealconditions.Inthiscase,upto64mobilephonescanbeconfiguredinad-ditiontothefouruser-configurableones.The64mobilephonesusedifferentscramblingcodes.
Sincetheuniversalcoderinthe¸SMU�00Aisextremelyflexible,signalsforhigh-speeddownlinkpack-etaccess(HSDPA)aregeneratedwith-outproblems.Testmodel5withallitsversions,asdefinedinTS�5.141ofthe3GPPspecification,isalsosupported.
Thetestcasewizardofthe¸SMU�00Aallowsone-buttonbasestationtesting.Bysimplychoos-ingtherequiredtestcaseasdefinedinTS�5.141,thecompletegeneratorwillbesetupinaccordancewiththespeci-fication.Allspecificparameters,suchasnoiselevel,fadingprofile,andinterfer-ingsignalaresetwithouthavingtolookthemupinthestandarddocument.Theautomaticsetupincludesthewantedsignal,frequencyoffsetandpowerlevelaswellasinterferingsignals,noiseandfadingconditions.Totestbeyondthespecifications,theparameterscanalsobeadjusted.
Additional mobile stations for testing a base station receiver (green: background, red: user)
Display of 3GPP FDD menu and code domain with two HSDPA data channels
Test case wizard: intermodulation characteristics with display of signal setup
10 Vector Signal Generator ¸SMU200A
Slot 0 1 � 3 4 5 6 7 0 1
Frame
P1
P�P3
P4P5P6P7
Change of modulation and different power levels in each slot for GSM/EDGE
Forreceiverpowermeasurements,the¸SMU�00Ageneratesaccess,con-trolandtrafficchannelsofthevariousradioconfigurationsinthe1×mode.Sincechannelcodingisfullyimplement-edinthe¸SMU�00A,noaddition-albiterrorratiotestersarenecessary.ByevaluatingtheCRCfields,thebasesta-tionisabletoperformtheframeerrorra-tio(FER)measurementspecifiedinthestandarddirectlyonthereceivedsignal.
Intheforwardlinkmode,the¸SMU�00Asupportsatotaloffouruser-selectablebasestationsforeachcar-rierfrequency.Eachsimulatedbasesta-tionprovidesallcontrolchannelsofthestandardanduptoeightindependentlyconfigurabletrafficchannels.Anyradioconfigurationcanbeselectedforthesechannels.Thechannelcodingcanbesetforeachfundamental,supplementalanddedicatedcontrolsubchannelofatrafficchannelinanymannerwithintheparam-etersdefinedbythestandard.Thus,com-plextestscenarioscanbesetupthatfarexceedthemobilestationtestsdefinedinthe3GPP�C.S00011-Bspecification.
The¸SMU�00Asupportsreceivertestsbyprovidingafullychannel-cod-edF-PDCH.TheF-PDCCHs,whichareindispensablefordemodulation,arepro-videdinduplicate.Inadditiontothepacketchannels,allregularcontrolanduserchannelscanalsobeactivated.
WhentheGSM/EDGEoptionisused,eventhemodulationcanbechangedbe-tweenGMSKand8PSKEDGEinreal-timeasmaybethecaseinGSM/EDGEbasestations.Allbursttypesdefinedbythestandardcanbegenerated.Inad-dition,uptoeightdifferentlevelscanbedefinedforthetimeslots.Asepa-ratelevelcanthusbeassignedtoeachslotofaGSMframe.Furthermore,the¸SMU�00Apermitstwoframestobedefined.Theframerepetitionratecanbesetbytheuserasrequired.
CDMA2000® channel table 1)
1) CDMA�000®isaregisteredtrademarkofthe TelecommunicationsIndustryAssociation(TIA-USA).
ThechangefromGMSKto8PSKEDGEmodulationinatimeslotovertimecanthusbesimulated,forinstance.
Vector Signal Generator ¸SMU200A 11
Whenreceiversaretested,itmustbepossibletosimulaterealreceivecon-ditions.Inthe¸SMU�00A,addi-tivewhiteGaussiannoise(AWGN)canbesuperimposedonthewantedsignal.Thesignal-to-noiseratiocanbesetinawiderange.Thus,highlyaccuratesen-sitivitymeasurementscanbeperformedonreceiverswithadefinedS/Nratio,incompliancewith3GPPspecificationsTS�5.141andTS�5.101.
Theinternalarbitrarywaveformgener-ator(ARB)withitslarge56MsamplememoryforIandQ(and4mark-erbitspersample)andaclockrateof100Msample/soffersidealconditionsforgeneratingcomplexsignalscenarios.Duetotheimplementedhardwarere-sampling,loweroversamplingratescanbeusedsothatlessmemoryisrequiredforstoringwaveforms.Thereforelongersequencesarepossible.
Testsystemsoftenswitchbackandforthbetweenvarioustestsignals.Thetimenecessarytoswitchbetweenthesesig-nalscanbeminimizedbycombiningin-dividualwaveformsintoamultisegmentwaveform.ThecompletemultisegmentwaveformisloadedintotheARBmemo-ry,andeachsegmentthenrepresentsaseparatewaveform.Thiseliminatestheloadingtimethatwouldotherwisebenecessarywhenswitchingbetweenseg-ments.
Theinternalarbitrarywaveformgenera-torofthe¸SMU�00AissupportedbySimulationSoftware¸WinIQSIM™.With¸WinIQSIM™,signalscanbeeasilygeneratedforWLANsystemssuchasIEEE80�.11a/b/g,TDMAsystemssuchasGSM/EDGEandevencomplexCDMAsystemssuchasTD-SCDMA.Multicarriersignalscanalsobegenerated.
Formoreinformation,refertothedatasheetforSimulationSoftware¸WinIQSIM™(PD0758.0680).
Constellation diagram of a noisy signal
Simulation Software ¸WinIQSIM™
How the multisegment waveform operates
Waveform 2
Waveform 1
Waveform 3
Resulting waveform in output RAM
Segment 1 Segment 2 Segment 3
Output signal
Segment switching by¸SMU user interface,IEC/IEEE bus,external trigger line
Automatic repetition of partial waveform within segment
1� Vector Signal Generator ¸SMU200A
Whensignalsaresentfromthetrans-mittertothemobilereceiver,variousfadingeffectsoccur.Thus,multipleprop-agationpathsmaybesuperimposedoneachothereitherconstructivelyorde-structively.Inaddition,themovementofthereceiverrelativetothetrans-mittercreatesafrequencyshift.The¸SMU�00Afadingsimulatormakesiteasytosimulatetheseconditionsinthelab.Thisistheonlywaytooptimizereceiverperformance.
Atotalof40fadingpathsat80MHzbandwidthand10nstimeresolutionareavailableforsimulatingmultipathpropa-gation.Ifhighertimeresolutionisneed-ed(10ps),thebandwidth(30MHzand50MHz)andthenumberoffadingpaths(�4and16)canbemodified.SinceuptotwobasebandgeneratorsandRFpathscanbeinstalledonthe¸SMU�00A,itiseasytosimulatethereceivecondi-tionsofareceiverthathastwoantennas(e.g.aUMTSbasestation).Thiselimi-natestheproblemsusuallyassociatedwithcablingandsynchronizationsincetheentirescenarioiscreatedinasingle¸SMU�00A.
Theuserinterfacewasdesignedforeasyandstraightforwardoperation.Thus,itincludesfadingprofilesforthemostcommonmobileradiostandards(e.g.GSM/EDGE,3GPP,CDMA,TETRA,WLAN).Tohandlespecialtestrequire-ments,thefadingprofilescanalsobeconfiguredasneeded.Thegraphicaldis-playofthefadingpathsprovidesanoverviewofthesituationatalltimes.Itshowsthenumberofpaths,timing,rel-ativepowerandthefadingprofilethatisused.
Rician fading of a squarewave-filtered QPSK signal (change in amplitude and phase)
Simplest setting of the preferred fading
Setup for simulating transmit diversity with fading
Vector Signal Generator ¸SMU200A 13
The¸SMU�00Asupportsmultipathfadingwiththefollowingprofiles:
StaticpathPureDopplerRayleighRicianConstantphaseLognormalSuzuki
Furthermore,itsupportsscenariosintro-ducedby3GPPsuchasbirth-deathprop-agation(testingofreceiverperformancefordisappearanceandreappearanceofasignal,suchaswhenacallerwalksaroundthecornerofabuildingwhileonthephone)andmovingdelaypropaga-tion(testingofreceiverperformanceforslowchangesindelay).
Afrequencyhoppingtechniquethatre-sumestheprecedingfadingprocessfol-lowingafrequencyhop-backallowsre-alisticsimulationoffrequencyhoppingconditions.Inthiscase,thecalculationoftheprecedingfadingprocessisre-sumedinthebackground.Theprofileiscontinuedasifthefadingatthisfre-quencyhadnotbeeninterrupted.
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Demonstration of moving delay fading with ASK modulation: the second path moves relative to the first path
Fading SimulatorSignalpathsFadingpathsRFbandwidthTimeresolution
1 1 1�0 1� 880MHz 30MHz 50MHz10ns 10ps 10ps
Fading Simulator with Fading Simulator Extension
SignalpathsFadingpathsRFbandwidthTimeresolution
1 1 1 � � �40 �4 16 �0 1� 880MHz 30MHz 50MHz 80MHz 30MHz 50MHz10ns 10ps 10ps 10ns 10ps 10ps
Relation between the number of fading paths, bandwidth and time resolution
Profile for frequency f2
Profile for frequency f1
Time
Pow
er
Continued profile for frequency f1
Internal calculation of profile f1
Frequency hopping f
2 to f
1
Internal calculation of profile f
2
Frequency hopping f
1 to f
2
14 Vector Signal Generator ¸SMU200A
Allthestrengthsofthetwo-pathcon-ceptofthe¸SMU�00Abecomees-peciallyevidentinthefieldofmobilera-dio.Sincethebasebandsectionofthe¸SMU�00Aisfullydigital,thesig-nalsofthetwobasebandgeneratorscanbeeasilyaddedwithoutsynchronizationproblemsandwithoutanexternalcou-pleroradditionalequipmentbeingre-quired.Afrequencyoffsetandtherela-tivepowerofeachsignalcanbeaccu-ratelyset.
Onebasebandgeneratormaybeusedforgeneratingthe3GPPsignalinreal-time.Thesecondbasebandgenera-torproducesarealtimeGSM/EDGEsig-nal.Thesignalscanthenbeaddedinthedigitaldomainwithafrequencyoff-set,ifdesired.Thisallowsmodernmulti-standardbasestationstobetested,forinstance.
Forreceivertestsinmulticarrierbasestationswithcomplexinterferingsig-nals,onebasebandgeneratorcanpro-ducethetestsignaltobeevaluated.Thesecondbasebandgeneratorpro-ducesasuitablemulticarriersignaltobeusedasthebackgroundsignal.Twotransmitantennas(thetransmitdiver-sity)ofabasestationcanalsobesimu-lated.Uptonow,twosignalgeneratorshavebeenrequiredinthiscase,buton-lyoneinstrumentisneededwhenthe¸SMU�00Aisused.
IftheRFsectionisfurthermoreequippedwithtwopaths,anyrequirementcanbemet.Forinstance,thewantedsignalandtheinterferingsignalneededforreceivertestscanbegeneratedwithoneinstru-ment–evenifthesignalsgreatlydifferinpowerandfrequencyoffsetasisthecasewhenout-of-bandblockingmea-surementsaretobeperformed.
Generation of 3GPP and GSM/EDGE signals in realtime
Generation of wanted signal and interfering signal
Adding a realtime signal and a multicarrier signal
Vector Signal Generator ¸SMU200A 15
An¸SMU�00Aequippedwithfad-ingandnoiseoptionscontainsallcom-ponentsrequiredfortheperformancetestsspecifiedin3GPPTS�5.141.Sinceallcomponentsareintegratedinasingleinstrument,theeffortthatwouldother-wisebenecessaryforcablingandtime-consumingsynchronizationiseliminat-ed.The¸SMU�00A3GPPFDDTestCaseWizardmakesitpossibletosetcomplexscenariosevensuchastheseatthepressofabutton.
Sincesignalpathscanbeswitchedasneeded,evenafterthefadingsimula-tor,complexsignalscenariosthatwerepreviouslyeithernotpossibleorpossibleonlyatgreateffortcannowbeimple-mented.Thismakesitpossible,forex-ample,tosimulateaGSM/EDGEframeinwhichonlyonetimeslotisfadedwhiletheothersremainunchanged.Theap-propriateframesaregeneratedinthebasebandgeneratorsandthenroutedthroughthefadingsimulator.Onlyonebasebandsignalisfadedandthenadd-edtothesignaloftheotherbasebandgenerator.
The¸SMU�00ABBINoptionmakesitpossibletofeedexternalanalogI/Qsig-nalsintothe¸SMU�00Aandthenapplyfading,noiseandimpairmentstothem.Inaddition,theexternalsignalcanbeaddedtotheinternalbasebandsig-nals,thusmakingitpossibletosimulateevenhighlycomplexsignalscenarios.
Generation of a GSM/EDGE frame with faded and unfaded timeslots
Addition of external I/Q signals to internal baseband signals
Generation of a 3GPP signal followed by fading and noise as specified in 3GPP TS 25.141
Connectivity
Front panel
AnexternalkeyboardandamouseormemorystickcanbepluggedintotheUSBconnectors onthefrontpanel.
Twomarkeroutputs thatcanbeusedasrequiredandatriggerinput areavailableinaddition.
Rear panel
Additionalmarkerandtriggerconnec-tors ,aLAN(100BaseT) andaGPIB
interfaceaswellasaUSBslavecon-nector areavailableattherear.Usingtheslaveconnector,the¸SMU�00AcanbedirectlyconnectedtoaPC.Anex-ternalmonitororavideobeamercanbeconnectedtotheVGAconnector .
16 Vector Signal Generator ¸SMU200A
Remote control of the ¸SMU200A via GPIB or LAN
Remote control
The¸SMU�00Aisremote-controlledviaGPIBorLAN.WhenWindowsRe-moteDesktopisused,theinstrumentcanberemote-operatedfromaPC.
Modular design
Future-oriented
Owingtoitsmodulardesign,the¸SMU�00Aisasafeinvestment.Optionscanbeaddedanytime.Thisconceptallowsthe¸SMU�00Atobetailoredtospecificapplications.
Convenient service
“Lowcostofownership”ismorethanjustamotto–itisacomprehensivecon-cept.Thethree-yearcalibrationcycleconsiderablyreducescosts.
Athermalmanagementsystemwithoversizedfanscombinedwithlarge-scaleintegrationensureshighreliabilityevenunderadverseenvironmentalconditions.
Rohde&SchwarzServiceCentersallovertheworldreducetransittimesinthecaseofrepairandensureshortturn-aroundtimes.
Vector Signal Generator ¸SMU200A 17
Synthesizer module of the ¸SMU200A
Internal view of the ¸SMU200A
Specification summary
Frequency
Frequencyrange 100kHzto�.�GHz/3GHz/4GHz/6GHz
Settingtime <3ms
SettingtimeinListmode <450µs
Level
Range –145dBmto+13dBm(PEP,3GHz)
Rangewithhigh-poweroutputoption
–145dBmto+19dBm(PEP,3GHz)
Spectralpurity(atf=1GHz)
NonharmonicsCarrieroffset>10kHzCarrieroffset>850kHz
<–80dBc<–86dBc
SSBphasenoise(�0kHzcarrieroffset,1Hzmea-surementbandwidth) typ.–135dBc
Widebandnoise(carrieroffset>5MHz,1Hzmea-surementbandwidth)
typ.–153dBc(CW)typ.–149dBc(I/Qmodulation)
ACLR
3GPPtestmodel1,64DPCHs typ.70dB
RFmodulationbandwidth
UsingexternalI/Qinputs �00MHz
Usinginternalbasebandsection 80MHz
Supportedmodulationtypes
AM DCto500kHz
Pulse 0kHzto100kHz
ASK 0%to100%
FSK MSK,�FSK,4FSK
PSK BPSK,QPSK,OQPSK,π/�DBPSK,π/4DQPSK,π/8D8PSK,π/4QPSK,8PSK,8PSKEDGE
QAM 16QAM,3�QAM,64QAM,�56QAM,10�4QAM
Supportedstandardsanddigitalsys-tems
GSM/EDGE,3GPPFDD,3GPPTDD,TD-SCDMA,cdmaOne,CDMA�000®,1×EV-DO,IEEE80�.11a,IEEE80�.11b,IEEE80�.11g,TETRA,Bluetooth® �),AWGN,user-definedmulticarrierCW
Interfaces IEEE488.�,LAN(100BaseT),3×USB,1×USBslave,VGA
�) TheBluetooth®wordmarkandlogosareownedbytheBluetoothSIG,Inc.andanyuseof suchmarksbyRohde&Schwarzisunderlicense.
18 Vector Signal Generator ¸SMU200A
Ordering information
Designation Type Order No.Vector Signal Generator1)
includingpowercable,QuickStartGuideandCD-ROM(withoperatingandservicemanual)¸SMU�00A 1141.�005.0�
OptionsRFPathA
100kHzto�.�GHz ¸SMU-B10� 1141.8503.0�
100kHzto3GHz ¸SMU-B103 1141.8603.0�
100kHzto4GHz ¸SMU-B104 1141.8703.0�
100kHzto6GHz ¸SMU-B106 1141.8803.0�
FM/ϕMModulator ¸SMU-B�0 114�.0006.0�
FM/ϕMModulatorandLowPhaseNoise ¸SMU-B�� 1160.5006.0�
OvervoltageProtection ¸SMU-B30 1159.7444.0�
High-PowerOutput ¸SMU-B31 1159.8011.0�
OvervoltageProtectionandHigh-PowerOutput ¸SMU-B3� 1160.0�56.0�
RFPathB
100kHzto�.�GHz ¸SMU-B�0� 1141.9400.0�
100kHzto3GHz ¸SMU-B�03 1141.9500.0�
OvervoltageProtection ¸SMU-B35 1160.0633.0�
High-PowerOutput ¸SMU-B36 1160.1000.0�
OvervoltageProtectionandHigh-PowerOutput ¸SMU-B37 1160.1400.0�
Baseband
BasebandGeneratorwithARB(1�8Msample)andDigitalModulation(realtime) ¸SMU-B9 1161.0766.0�
BasebandGeneratorwithARB(64Msample)andDigitalModulation(realtime) ¸SMU-B10 1141.7007.0�
BasebandGeneratorwithARB(16Msample)andDigitalModulation(realtime) ¸SMU-B11 1159.8411.0�
BasebandMainModule ¸SMU-B13 1141.8003.04
DifferentialI/QOutput ¸SMU-B16 1161.0066.0�
AnalogBasebandInput ¸SMU-B17 114�.�880.0�
Digitalmodulationsystems
DigitalStandardGSM/EDGE ¸SMU-K40 1160.7609.0�
DigitalStandard3GPPFDD ¸SMU-K4� 1160.7909.0�
3GPPEnhancedMS/BSTestsincl.HSDPA ¸SMU-K43 1160.9660.0�
DigitalStandardGPS ¸SMU-K44 1161.0566.0�
3GPPFDDHSUPA ¸SMU-K45 1161.0666.0�
DigitalStandardCDMA�000®incl.1xEV-DV ¸SMU-K46 1160.9876.0�
DigitalStandardIEEE80�.11(a/b/g) ¸SMU-K48 1161.0�66.0�
DigitalStandardIEEE80�.16 ¸SMU-K49 1161.0366.0�
DigitalStandardTD-SCDMA ¸SMU-K50 1161.0966.0�
TD-SCDMAenhancedBS/MSTests ¸SMU-K51 1161.106�.0�
DigitalStandardDVB-H ¸SMU-K5� 1408.7010.0�
MulticarrierCWSignalGeneration ¸SMU-K61 1160.8505.0�
Digitalmodulationsystemsusing¸WinIQSIM�TM�)
DigitalStandardGSM/EDGE ¸SMU-K�40 1408.5518.0�
DigitalStandard3GPPFDD ¸SMU-K�4� 1408.5618.0�
3GPPEnhancedMS/BSTestsincl.HSDPA ¸SMU-K�43 1408.5718.0�
DigitalStandardGPS ¸SMU-K�44 1408.5818.0�
3GPPFDDHSUPA ¸SMU-K�45 1408.5918.0�
DigitalStandardCDMA�000®incl.1xEV-DV ¸SMU-K�46 1408.6014.0�
DigitalStandardIEEE80�.11(a/b/g) ¸SMU-K�48 1408.6114.0�
DigitalStandardIEEE80�.16 ¸SMU-K�49 1408.6�14.0�
DigitalStandardTD-SCDMA ¸SMU-K�50 1408.6314.0�
TD-SCDMAenhancedBS/MSTests ¸SMU-K�51 1408.6414.0�
MulticarrierCWSignalGeneration ¸SMU-K�61 1408.6514.0�
Vector Signal Generator ¸SMU200A 19
Forspecifications,seePD0758.0197.��andwww.rohde-schwarz.com
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Digitalmodulationsystemsusing¸WinIQSIMTM3)
DigitalStandardIS-95 (with¸WinIQSIMTM) ¸SMU-K11 1160.5335.0�
DigitalStandardCDMA�000® (with¸WinIQSIMTM) ¸SMU-K1� 1160.5658.0�
DigitalStandard3GPPTDD (with¸WinIQSIMTM) ¸SMU-K13 1160.5906.0�
DigitalStandardTD-SCDMA (with¸WinIQSIMTM) ¸SMU-K14 1160.6�0�.0�
User-DefinedOFDMSignals (with¸WinIQSIMTMand¸WinIQOFDM) ¸SMU-K15 1160.640�.0�
DigitalStandard1xEV-DO (with¸WinIQSIMTM) ¸SMU-K17 1160.7009.0�
DigitalStandardIEEE80�.11(a/b/g) (with¸WinIQSIMTM) ¸SMU-K19 1160.8805.0�
DigitalStandard3GPPFDDincl.HSDPA (with¸WinIQSIMTM) ¸SMU-K�0 1160.9460.0�
DigitalmodulationsystemsusingexternalPCsoftware
DigitalStandardBluetooth® ¸SMU-K5 1161.0466.0�
FadingSimulator ¸SMU-B14 1160.1800.0�
FadingSimulatorExtension ¸SMU-B15 1160.��88.0�
AdditiveWhiteGaussianNoise(AWGN) ¸SMU-K6� 1159.8511.0�
DynamicFadingandEnhancedResolution ¸SMU-K71 1160.9�01.0�
Otheroptions
BER/BLERMeasurement ¸SMU-K80 1159.8770.0�
Rearpanelconnectorsfor1stRFpath ¸SMU-B81 1159.9001.0�
Rearpanelconnectorsfor�ndRFpath ¸SMU-B8� 1159.9501.0�
Recommendedextras
Hardcopymanuals(inGerman) 1007.9845.31
Hardcopymanuals(inEnglish,UK) 1007.9845.3�
Hardcopymanuals(inEnglish,USA) 1007.9845.39
19"RackAdapter ¸ZZA-411 1096.3�83.00
AdapterforTelescopicSliders ¸ZZA-T45 1109.3774.00
BNCAdapterforAUXI/OConnector ¸SMU-Z5 1160.4545.0�
KeyboardwithUSBInterface(USassignment) ¸PSL-Z� 1157.6870.04
MousewithUSBInterface,optical ¸PSL-Z10 1157.7060.03
ExternalUSBCD-RWDrive ¸PSP-B6 1134.8�01.��
1) Thebaseunitcanonlybeorderedwithan¸SMU-B10xfrequencyoption.�) ¸WinIQSIM�TMrequiresanexternalPC.3) R&SWinIQSIMrequiresanexternalPC.
Ordering information (continued)
www.rohde-schwarz.comEurope:+4918051�4�4�,customersupport@rohde-schwarz.com
USAandCanada:1-888-837-877�,customer.support@rsa.rohde-schwarz.comAsia:+6565130488,customersupport.asia@rohde-schwarz.com
Certified Quality System
ISO 9001DQS REG. NO 1954 QM
Certified Environmental System
ISO 14001DQS REG. NO 1954 UM
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