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无线通信原理
分享资料个
1．无线信道...................................................................1
1．1自由空间无线电波传播..................................................................................................1
1．2移动通信的电波传播特点..............................................................................................1
1．3移动通信电波传播特性..................................................................................................2
1．3．1短期（快）衰落................................................................................................3
1．3．2长期（慢）衰落................................................................................................6
1．3．3衰落特性............................................................................................................6
1．4电波传播损耗预测模型..................................................................................................6
1．4．1 Okumura-Hata模型............................................................................................7
1．4．2 COST231 Walfisch-Ikegami模型......................................................................9
1．5覆盖设计........................................................................................................................10
1．5．1传播模型的选用及修正..................................................................................11
1．5．1基站覆盖预测..................................................................................................11
1．5．3功率控制..........................................................................................................14
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hole1007
2022-08-23
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zhwsdust
2012-07-04
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