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时间:2017-12-08
《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》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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.
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