CMW500的GSM手机信令耦合测试

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1、CMW500的GSM手机信令耦合测试1.在1端口连接耦合板，放上手机，不开手机。然后打开CMW500电源之后，进入测试界面，选择GSM的信令测试软件，即在MultiEvaluation功能后打钩，如下图：tfuetoofhTXMeasuieinentExTendedBLERTXMeasurementRXMeasuiemenf的WiMAXMiltiEvanationTXMeasurementRXMeasuiementVWLANMiltiEvfl劉曙饗SettingiMultiEvaluatPowervs.TimedBj11I(11(匸TH-i11f1ji1tilli11f111111SymBan

2、d/Cti:GSM900dB111I11MHzSpectrumModulationFrequencyErrorVectorMagnitudeSpectrumModulationTimedBriiiiiiiiiijjljiljii11111111111111111111SymTriggerSpectrumSwitchingFrequencyDisplayTXMeasurementCurrent:BurstPowerEVMRMSCS:OFFPhErrorRMSFreq.ErrorOFFDLUL:GSMSignalinOFF15158.然后再点击点击右下角的“config“按键，出现下边的页面:9.

3、10.修改完毕，点击右上角的X关闭该设置页。11.此时的界面如下图：15#15其意义是机器已经在发射信号，试图寻找手机，处于待联机状态。#15715Band/Ch:GSM900TXMeasurementCurrent:BurstPower1MutEvauatdBmMeasSots:Powervs.TimedBiiiiiiii1SymErrorvectorMagnitudedBI|iIMHzSijectnimModulationFrequencySetting*SpectrumrlodulatianTimeMagnitudeErrorIQQ-.11111111111.:1SpectrumSwit

4、chingTimeSpectrumSwitchingFrequencySignalin#15请注意上图中下脚部分的图片变化，图上有手机发射信号的提示。15.上述的特征表明手机已经和机器建立连接，可以读取测试指标参数了。选择点击右侧的“MultiEvaluation”按键，此时其底色会变蓝。#1591571517.以最关心的发射功率的测量为例，选择功率测试项：1OSPSDLUL:DLiii-IIBHIHIIIlaaanviioentSpectrumSwitchingTimedBm3、冲J严占、I61RMS2.37%PhErrorRMS1.33Freq.Error-11.75HzOverviewT

5、XMeasurementScalar益出现的功翠测试结果的界面如下图：PS：LONSigrtalinParameDisplayGSMSignalinONGSMTXMeasurement-V3.2.10-MultiEvaluationErrorVectorMagnitudedBmMultiEvaluatRUNRFSettings-CallEstablished62Freq.:902.40000MHzRef.Level:40.00dBmMeasSlots:ttt11SpectrumModulationTimeMagnitudeEitoiGSMSignalinONMultiEvaluatRUNRFS

6、ettingsDuplayaandOh:GSM900Powervs.TimeaandOh:GSM900I62Freq.:902.40000MHzRef.Level：30.00dBmMeaSlots:TriggerStatitit.CountOutofToleranc.eMod.VrewThroughputButstTypeI00100GMSK100.0%RXMeasurementBERNCAPBurstsNCAP/100TriggerSpectrumSwitchingFrequencyr出鶴ii鶴謚盈fi备诫dw丄-UdBI-fT*-.lllll|j|iiiMHz汀1iii.SpectrumM

7、odulationFrequencyEVM95Percentile4.60%2.80%2.40MErr95PercentilePhErr95PercentiieStatisticsCurrentAverageMaxStdDevEVMRMS2.64%2.60%2.96%0.11%EVMPeak6.20%6.70%9.50%0.65%MErrRMS1.50%1.49%1.86%0.09%MErrPeak3.48%3.46%4.11%0.19%PhErrRM矍1.241.221.460.06PhErrPeak-3.473.625.280.38IQOffset40.77dBc41.12dBc-37.6

8、2(IBc1.43(IBc|jQImbalance-54.36dEt-54.95(IB46.43(IB5.72dBFreqError-3.55Hz-12.30Hz-34J0Hz6.17HzTimingError-0.05Sym-0.08Sym-0.27Sym0.03SymBurstPower21.57dBm21.75dBm31.81dBm0.17dBmTXMeasurement715111519.观察修改测量参数。以修改发射强度为例，点击右侧的“SignalingParameter”按键，出现以下画面，这是由于之前的设置，显示的是10功率等级的输出幅度。TriggerCSDLUL:RXMeas

9、urementPS；耳ONISlotConfigSignalinParameMultiEvaluatRUNRFSettingsCallEstablishedCunfig.DisplayGSMSignalinON62Freq.:902.40000MHzRef.Levl:30.00dBmMeSlots：*BandCti:GSM900的吧叫禽哦嚅“按键，待其出现以下选项:GSMTXMeasurement-V3.2.10-MultiEvaluationEVM95Percentile4.60%2.80%2.40MErr95PercentilePhErr95PercentiieStatisticsCurr

10、entAverageMaxStdDevEVMRMS2.64%2.60%2.96%0.11%EVMPeak6.20%6.70%9.50%0.65%MErrRM1.50%1.49%1.86%0.09%MErrPeak3.48%3.46%4.11%0.19%Ph%只M-J.46a0.06PhErrPeak-3.473.625.280.38黄Offset40.77dBc41.12dBc-37.62dBc1.43(IBc-|jQImbalance-54.36dB-54.95(IB46.43(IB5.72(IBFreqError-3.55Hz-12.30Hz34.38Hz6.17HzTimingError

11、-0.05Sym-0.08Sym-0.27Sym0.03SymBurstPower21.57dBm21.75dBm31.81dBm0.17dBmStatisticCount.OutofToleranteMod.ViewThroughputBurstTyje一法是按下上图右下角TXMeasurement#1515TXMeasi13PhErrPelG2DisplayAverage3.16%RFSettings16.871.36IQOffsetIQImbalanceFreqErrorTimingErrorBuffitPower9.80dBm9.80dBmStatiti&JQountOutofTole

12、ranteRXMeasmementNCAP/100Timeslot3CurrentStdDev100100Burs.tsBERLevel-80.00dBmPCL:1047.04(IBc46.03(IB45.35(IBc47.67(IB2).按下右下角的“Handver”按键，弹出如下的菜单：器NCAPEW95Percentile6.20%0.60%3.60MErr95PercentilePhErr95PercentiieStatisticsCurrentAverageMaxStdDevEVMRM;S3.31%3.12%4.59%0.31%EVMPeak9.94%9.13%16.87%1.41%

13、|MErrRMS0.29%0.29%0.77%0.03%MErrPeak4).98%0.96%1.76%0.11%PhErrRM1.891.782.630.18PhErrPeak-5.70a5.24。9.67D0.81。igOffset44.99JBc45.36(IBc-36.88(IBc4.63(IBcliQImbalance-53.28dB47.91(IB-38.89dB5.74dBFreqError3.58Hz5.33Hz33.87Hz7.10HzTimingError4).46Sym4).46Sym-0.59Sym0.01SymEluZatPower9.80dBm9.80dBm9.85

14、dBm0.01dBmTXMeasurementStatistic：CountOutofToleranteMod.ViewThroughputBurstTyKie1001000.00%100.0%GMSKlRXMeasurementBurstsBERNCAP/100NCAPSsgnalinParame153).修改其中的Band为需要切的频段。1515TXMeasiirementEvM!北PerceritieMErr95PercentieSettirEVvPeakPiErrRvSiJrnba；3nceDestinationSelectionElandGSMflOOGSM850DestinatHtdtisticuountChanne00.0%RXrvleastirementMut!EvauRUN/ErrRMSMErrPeakBurstPowerPhErrPeak(JUttsetGSM800GSMtKMJPhErr95PercentieStatisticsfvmrm：s41,27dBc48J3(IBI1.8SHzTirninqError100/100Bursts