无线通信原理-更多文档分类

《无线通信原理-更多文档分类》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、无线通信原理无线通信原理2003年8月I无线通信原理1．无线信道...................................................................11．1自由空间无线电波传播..................................................................................................11．2移动通信的电波传播特点............................

2、..................................................................11．3移动通信电波传播特性..................................................................................................21．3．1短期（快）衰落...............................................................

3、.................................31．3．2长期（慢）衰落................................................................................................61．3．3衰落特性......................................................................................................

4、......61．4电波传播损耗预测模型..................................................................................................61．4．1Okumura-Hata模型............................................................................................71．4．2COST231Walfisch-Ik

5、egami模型......................................................................91．5覆盖设计........................................................................................................................101．5．1传播模型的选用及修正................................

6、..................................................111．5．1基站覆盖预测..................................................................................................111．5．3功率控制..................................................................................

7、........................142．分集技术.................................................................152．1分集技术的概念............................................................................................................152．2分集技术的分类.........................

8、...................................................................................152．3显分集技术....................................................................................................................152．3．1空间分集..