TDSCDMA射频测试项目介绍.ppt

《TDSCDMA射频测试项目介绍.ppt》由会员分享，可在线阅读，更多相关《TDSCDMA射频测试项目介绍.ppt（36页珍藏版）》请在三一办公上搜索。

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 Transmit Intermodulation杂散辐射Spurious Emissions,5,发射机特性测试 II,开环功率控制

2、OLPC闭环功率控制 CLPC发射开关模板 Transmit ON/OFF Time Mask发射关功率 OFF Power频谱发射模板 SEM误差矢量幅度 EVM峰值域码误差 PCDE,6,接收机特性测试,灵敏度 Reference Sensitivity Level最大输入电平 Maximum Input Level邻道选择性 Adjacent Channel Selectivity阻塞特性 Blocking Characteristics杂散响应 Spurious Response交调特性 Intermodulation Characteristics杂散辐射Spurious Emiss

3、ions,7,Maximum Output Power,3GPP TS 34.122 Chapter 5.21.28 Mcps TDD option 默认Minimum Requirements 默认Test Requirements 宽松,8,Minimum Output Power,9,Waveform Quality,3GPP TS 34.122 Chapter 5.7.1 EVM3GPP TS 34.122 Chapter 5.7.2 PCDE3GPP TS 34.122 Chapter 5.3 FST,10,Error Vector Magnitude(EVM),11,Peak Co

4、de Domain Error(PCDE),12,Frequency Stability(FST),13,Spectrum Emission Mask(SEM),3GPP TS 34.122 Chapter,14,Adjacent Channel Leakage Power Ratio(ACLR),3GPP TS 34.122 Chapter,15,Occupied Bandwidth(OBW),3GPP TS 34.122 Chapter Occupied bandwidth is a measure of the bandwidth containing 99%of the total i

5、ntegrated power for transmitted spectrum and is centred on the assigned channel frequency.,16,Open Loop Power Control(OLPC),3GPP TS 34.122 Chapter,17,Open Loop Power Control(OLPC),18,Closed Loop Power Control(CLPC),3GPP TS 34.122 Chapter,19,Closed Loop Power Control(CLPC),20,Transmit ON/OFF Time Mas

6、k,3GPP TS 34.122 Chapter,21,Transmit ON/OFF Time Mask,22,Transmit OFF Power,3GPP TS 34.122 Chapter,23,Transmit Intermodulation,3GPP TS 34.122 Chapter 5.6,24,Spurious Emissions,3GPP TS 34.122 Chapter,25,Spurious Emissions,26,接收机特性测试,灵敏度电平 Reference Sensitivity Level最大输入电平 Maximum Input Level邻道选择性 Adj

7、acent Channel Selectivity阻塞特性 Blocking Characteristics杂散响应 Spurious Response交调特性 Intermodulation Characteristics杂散辐射 Spurious Emissions,27,Reference Sensitivity Level,3GPP TS 34.122 Chapter 6.2,28,Maximum Input Level,3GPP TS 34.122 Chapter 6.3,29,Adjacent Channel Selectivity(ACS),3GPP TS 34.122 Chapter 6.4,30,Blocking Characteristics,3GPP TS 34.122 Chapter 6.5,31,Blocking Characteristics,32,Spurious Response,3GPP TS 34.122 Chapter 6.6,33,Intermodulation Characteristics,3GPP TS 34.122 Chapter 6.7,34,Spurious Emissions,3GPP TS 34.122 Chapter 6.8,35,Spurious Emissions,36,Thank You!,