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8 UMTS/IMT 2000 接口适配至 S-UMTS....................................................................................................78 8.1 S-UMTS 的无线接口（Uu）规范................................................................................................................78 8.1.1 ITU-R IMT-2000 无线传输技术的审查.........................................................................................................78 8.1.2 S-UMTS 空中接口的设计考虑.........................................................................................................................78 8.1.2.1 传播信道特性....................................................................................................................................79 8.1.2.2 多普勒效应....................................................................................................................................................80 8.1.2.3 卫星分集....................................................................................................................................................80 8.1.2.4 功率控制....................................................................................................................................................81 8.1.2.5 双工模式影响....................................................................................................................................81 8.1.2.5.1 频谱分配.....................................................................................................................................82 8.1.2.5.2 不对称
ETSI TR 101 865 V1.2.1 (2002-09)
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