CMU测试蓝牙规程 水印.pdf

该【CMU测试蓝牙规程 水印 】是由【fwang2】上传分享，beplayapp体育下载一共【19】页，该beplayapp体育下载可以免费在线阅读，需要了解更多关于【CMU测试蓝牙规程 水印 】的内容，可以使用beplayapp体育下载的站内搜索功能，选择自己适合的beplayapp体育下载，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此beplayapp体育下载到您的设备，方便您编辑和打印。:..2023municationTesterCMU200-BluetoothworksRohde&Schwarz1:..2023CMU200-modularplatformconceptHardwareOptionsSoftwareOptionsHardwareOptionsSoftwareOptionsCMUBasicUnitCMUBasicUnitStandard-independenttestingStandard-independenttestingW-CDMAGSMW-CDMAGSMBluetoothBluetoothD-AMPSD-AMPSCDMAAMPSCDMAAMPSRohde&Schwarz2:..2023CMU200-generalfeatures??Spectrumanalyserintegrated?Fasttesttimesduetoparallelprocessing?HighreliabilityduetolowtemperaturedesignCMU200?Broadselectionofinterfaces–VGAmonitor,keyboard,printer(parallel-interface)–IEEE488bus(SCPI)/RS232–FloppydiskdriveorPCMCIAslot–AllfrequentlyneededsignalinterfacesonfrontpanelRohde&Schwarz3:..2023CMUBluetoothConfigurationRX/TXBoardIHardware?CMU-B53isaBluetoothextensionboardfortheCMU-B21signallingunit–thissignallingunitcanalsobeusedforGSM,AMPSandTDMA(IS136)BTextensionSignallingUnitISoftware?CMU-K53–Bluetoothsoftware,activatedbykeycodeReferenceboardRFfront-&Schwarz4:..2023BluetoothTestMode?mandsfromthetester?SwitchingtheDUTintotestmode–EnsurepredefinedbehaviourofDUT–LocalenablingofDUT?frequencyhopping(normallydoneusingexternalPC)?frequencysettings–Activationviaairinterface?ActivationofTXmode?DUTtransmitsselectablebitpattern?ActivationofloopbackmodeSlave?testersendsbitpatternControlCommandsMasterTestdataLocalactivation/enablingCMU200DUTCMU200DUTRohde&Schwarz5:..2023CMU200withBluetoothoption?Features–MeasurementsforBluetoothandcellularstandardsinonebox(GSM,AMPS,TDMA,CDMA,WCDMA)–Numericalandgraphicaldisplayofmeasurementresults–Calculatesmeasurementresultsbyusingall79channelsinhoppingmode–Selectionofsinglechannelsforin-depthsignalanalysis–AdditionalsupportofreducedhoppingandconstantfrequencyoperationoftheDUT–&Schwarz6:..2023CMU200-Bluetoothoptionfeatures?Idealbecauseofthewidevarietyofpossiblesettingsandthehigh-resolutiondisplay.?ordancewithRFtestspecasfaraspossible.?Fastesttesteronthemarket;theCMUisthreetimesfasterthantheothersinmodulation?,theuseofanCMUinproductionensuresthattheDUTwillfunctionproperlyinrealoperation.?TheCMUcanswitchtheDUTtothelow-powermodes(park,hold,sniff),-operatedBluetoothdevices.?binationwiththeCMU-B41audiooption,&Schwarz7:..2023CMU200-Signalling?–CMUactsasmaster–DUTactsasslave?Inquiryprocedure–CMUidentifiesallBluetoothdeviceswithinrange?Pagingprocedure–oneBluetoothdevicecanbeselectedasDUT–CMUestablishestheconnectiontotheDUT?Testmodeoperation–CMUswitchestheDUTintotestmodeoperation–mandstotheDUTviatheRFinterface?Transmittermode(TXtests)?Loopbackmode(RXtests)Rohde&Schwarz8:..2023CMU200-TXmeasurementsPower?nominalpower–averagepowermeasuredwithintheBluetoothburst?peakpower–alsomeasuredwithintheBluetoothburst?leakagepower–measuredinthetimebetweenthedifferentburstsPackettiming–alignmentofthereceivedburstfromtheDUTinrelationtothemastertimeframe(CMU)Rohde&Schwarz9:..2023CMU200-TXmeasurementsModulation?frequencydeviation(average,min,max)–calculatedoverthepacketpayloadFrequency?uracy–measuredatthebeginningofapacket–differencebetweenmeasuredandintendedfrequency?frequencydrift–frequencydifferencebetweenpacketstartandpayload?driftrate–maximumdriftrateanywherewithinthepacketpayloadRohde&Schwarz10:..2023CMU200-RXmeasurementsReceiverquality(sensitivity)?differentbitsequencesselectable?BER(biterrorrate)–percentageofbiterrorswithinthecurrentstatisticalcycle?PER(packeterrorrate)–percentageofpacketerrorswithinthecurrentstatisticalcycle?consideringallpacketswithaheader,whichcannotbecorrected?BERsearchfunction–CMUvariestheoutputpowerwhilemeasuringtheBER–measurementisstopped,whentheBERisclosetoasettablelimit?Usertestprograms–uptofivedifferenttestprogramscanbedefined?bitsequence,powerlevel,limits,modesRohde&Schwarz11:..2023CMU200-RXmeasurementsSignalgeneratorfunction–operatesinnonsignallingmode–generationofBluetoothbursts(GFSKmodulation)–RFchannelandfrequencyoffsetselectable–differentdatapatternsavailableRohde&Schwarz12:..2023OperatingmenuesConnectionControl(notconnected)Rohde&Schwarz13:..2023OperatingmenuesConnectionControl(connected)Rohde&Schwarz14:..2023OperatingmenuesOverviewRohde&Schwarz15:..2023OperatingmenuesPower/TimingRohde&Schwarz16:..2023OperatingmenuesFrequency/ModulationRohde&Schwarz17:..2023OperatingmenuesSensitivity(BER)Rohde&Schwarz18:..2023OperatingmenuesGeneratorfunctioninnonsignallingmodeRohde&Schwarz19