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基于同步码分多址技术的第三代移动通信系统 被引量:7

The 3rd Generation Mobile Communication System Based on SCDMA
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摘要 中国的第三代移动通信系统(TDSCDMA)是基于同步码分多址技术(SCDMA)的未来陆地通信系统,它广泛采用了智能天线和软件无线电技术,工作于TDD方式.系统向下兼容在中国有广大基础的第二代GSM网络,同时支持电路交换和分组数据交换业务.TDSCDMA相对于第二代移动通信和其他的第三代移动通信建议,有更好的频谱利用率,并且支持更为精确的接力切换概念和系统切换的概念.未来的系统将工作于ITU为IMT2000划定的频率范围内,完全满足国际电信联盟对IMT2000所提出的各项要求. This paper introduces Chinese 3rd generation mobile communication system based on SCDMA,including its RTT and feature。
出处 《电信科学》 北大核心 1999年第6期25-28,共4页 Telecommunications Science
关键词 SCDMA TD-SCDMA IMT-2000 RTT 移动通信 SCDMA, TD SCDMA,IMT 2000,RTT
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