智能天线和空间分集接收技术  

Smart Antenna and Spatial Diversity Receiving Technology

作　　者：黄开枝[1] 陈国安[1] 王京[1] 王有政[1] 

机构地区：[1]清华大学微波与数字通信国家重点实验室,北京100084

出　　处：《电讯技术》2002年第4期99-104,共6页Telecommunication Engineering

摘　　要：智能天线和空间分集接收技术是主要的两种空间信号处理技术。本文从传播路径的无线传输特性、空时信道模型以及不同环境的多径特性出发 ,分析了CDMA系统存在的主要问题以及智能天线和空间分集接收技术的工作原理 ,着重比较了这两种技术的区别以及应用场合。Smart antenna and spatial diversity receiving are two most important spatial signal processing technologies.In this paper the radio propagation characteristics of the transmission path, spatio-temporal channel model and channel characteristics in different environments are studied. On the basis of those analysis, the operating principle of smart antenna and spatial technology is analyzed with focus on the differences between the two technologies in several aspects.

关 键 词：智能天线 移动通信 空间信号处理 空间分集接收技术 空时处理技术 

分 类 号：TN929.5[电子电信—通信与信息系统]