ydt 1371.4-2006 2ghz td-scdma数字蜂窝移动通信网 uu接口物理层技术要求 第四部分：扩频与调制

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1、1'1U中华人民共和国通信行业标准丫D/T1371.4-20062GHzTD-SCDMA数字蜂窝移动通信网UU接口物理层技术要求第四部分:扩频和调制TechnicalrequirementsforUuInterfaceof2GHzTD-SCDMADigitalCellularMobileCommunicationNetworkPhysicalLayerTechnicalSpecificationPart4:SpreadingandModulation2006-01-20发布2006-01-20实

2、施中华人民共和国信息产业部发布YDIT1371.4-2006目次前言·..........................................................................................................................941范围·.......................................................................................

3、................................952规范性引用文件·........................................................................................................953缩略语·................................................................................................

4、....................954概述··················································································································⋯⋯%5数据调制···············........................................................................................

5、..........965.1符号速率和符号周期····················································································⋯⋯%5.2比特到信号星座图的映射关系·.............................................................................965.2.1QPSK..................................

6、....................................................................965.228PSK......................................................................................................976扩频调制·..............................................................

7、...................................................976.1基本扩频参数···············...................................................................................976.2信道化码·................................................................................

8、........................976.3信道化码特定因子·...........................................................................................986.4扰码·······································································.......................................996.