TDSCDMA射频测试项目介绍.ppt

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1、1主题:TDSCDMA射频测试项目介绍2报告纲要背景介绍测试项目联系方式3背景介绍1998年原邮电部组织电信科学技术研究院，在SCDMA技术基础上起草了符合IMT-2000要求的TD-SCDMA建议草案2001年TD-SCDMA标准被3GPP(第三代移动通信伙伴项目)接纳2002年成立TD-SCDMA产业联盟4发射机特性测试I最大发射功率MAXP频率稳定性FST最小发射功率MINP占用带宽OBW邻道泄漏比ACLR发射交调TransmitIntermodulation杂散辐射SpuriousEmission

2、s5发射机特性测试II开环功率控制OLPC闭环功率控制CLPC发射开关模板TransmitON/OFFTimeMask发射关功率OFFPower频谱发射模板SEM误差矢量幅度EVM峰值域码误差PCDE6接收机特性测试灵敏度ReferenceSensitivityLevel最大输入电平MaximumInputLevel邻道选择性AdjacentChannelSelectivity阻塞特性BlockingCharacteristics杂散响应SpuriousResponse交调特性Intermodulatio

3、nCharacteristics杂散辐射SpuriousEmissions7MaximumOutputPower3GPPTS34.122Chapter5.21.28McpsTDDoption默认MinimumRequirements默认TestRequirements宽松8MinimumOutputPower3GPPTS34.122Chapter5.4.29WaveformQuality3GPPTS34.122Chapter5.7.1EVM3GPPTS34.122Chapter5.7.2PCDE3GPPT

4、S34.122Chapter5.3FST10ErrorVectorMagnitude(EVM)11PeakCodeDomainError(PCDE)12FrequencyStability(FST)13SpectrumEmissionMask(SEM)3GPPTS34.122Chapter5.5.2.114AdjacentChannelLeakagePowerRatio(ACLR)3GPPTS34.122Chapter5.5.2.215OccupiedBandwidth(OBW)3GPPTS34.122C

5、hapter5.5.1Occupiedbandwidthisameasureofthebandwidthcontaining99%ofthetotalintegratedpowerfortransmittedspectrumandiscentredontheassignedchannelfrequency.16OpenLoopPowerControl(OLPC)3GPPTS34.122Chapter5.4.1.317OpenLoopPowerControl(OLPC)18ClosedLoopPowerCo

6、ntrol(CLPC)3GPPTS34.122Chapter5.4.1.419ClosedLoopPowerControl(CLPC)20TransmitON/OFFTimeMask3GPPTS34.122Chapter5.4.421TransmitON/OFFTimeMask22TransmitOFFPower3GPPTS34.122Chapter5.4.323TransmitIntermodulation3GPPTS34.122Chapter5.624SpuriousEmissions3GPPTS34

7、.122Chapter5.5.325SpuriousEmissions26接收机特性测试灵敏度电平ReferenceSensitivityLevel最大输入电平MaximumInputLevel邻道选择性AdjacentChannelSelectivity阻塞特性BlockingCharacteristics杂散响应SpuriousResponse交调特性IntermodulationCharacteristics杂散辐射SpuriousEmissions27ReferenceSensitivityLev

8、el3GPPTS34.122Chapter6.228MaximumInputLevel3GPPTS34.122Chapter6.329AdjacentChannelSelectivity(ACS)3GPPTS34.122Chapter6.430BlockingCharacteristics3GPPTS34.122Chapter6.531BlockingCharacteristics32SpuriousResponse3GPPT