CDMA中智能天线的接收准则及自适应算法研究  

A New Criterion and Algorithm of BasestationAntenna Arrays in Cellular CDMA

作　　者：王大庆[1] 张惠民[1] 吴伟陵[1] 

机构地区：[1]北京邮电大学

出　　处：《通信学报》1998年第6期33-39,共7页Journal on Communications

摘　　要：在ＣＤＭＡ基站中采用自适应天线阵列可以降低多址干扰，提高系统容量，本文提出了一种适合于移动无线通信环境下的接收准则，最大接收信号准则，并根据该准则提出了空间变步长搜索算法。最后分析了基站采用自适应天线阵列时反向信道容量，与使用无方向天线相比，大大增加了系统容量。In this paper we analyze the MAI reduction by using the Adaptive Antenna Arrays in CDMA System. we propose a new criterion:maximum received signal criterion. Base on this criterion we also propose a new adaptive algorithm which can be implemented in practice. Finally,we analyze the capacity of reverse link by using the adaptive antenna arrays. Results show that by using eight antennas,the capacity of the reverse link can be increased to about 200 subscribers per cell.

关 键 词：移动通信 码分多址 自适应天线阵列 

分 类 号：TN929.5[电子电信—通信与信息系统]