第三代移动通信系统的主流体制和关键技术
Main Trend Specification and Crux Techniques of the 3G Mobile Communication System
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摘要: 第三代移动通信系统有8个基本特征,其主要技术体制包括:WCDMA、cdma2000和TD-CDMA三种。其关键技术有初始同步与Rake多径分集接收、多载波调制、软件无线电、智能天线、多用户检测、异步传输等6种。Abstract: The 3G mobile communication system has 8 fundamental features. The s ystem’s main trend specifications include WCDMA、cdma2000 and TD-CDMA. Its crux techniques lie on Initial Synchronization and Rake Multi-path Diversity Recept ion、Multi-carrier Modulation、Software Radio、Intelligent Antenna、Multi-user Detection and Asynchronous Transfer Mode etc.