码分多址中的几种用户检测技术的分析与比较  

Analysis and Comparison of Several User Detection Approaches in Code Division Multiple Access Systems

作　　者：葛万成[1] 杨鹏[1] 蔡文钧[1] 

机构地区：[1]同济大学信息与控制工程系,上海200092

出　　处：《同济大学学报（自然科学版）》2002年第9期1121-1124,共4页Journal of Tongji University:Natural Science

摘　　要：着重分析了在码分多址 (CDMA)数字蜂窝移动通信系统中的三种用户检测技术 .通过数学分析的方法 ,对这三种用户检测技术在抗多址干扰和抗“远 -近”效应方面的特性 ,以及在同等条件下的误比特率进行了比较和分析 ,并给出了仿真运行的结果和应用场合分析 .This paper mainly analyzes three user detection approaches in digital cellular mobile communication systems based on CDMA.Firstly,the performances of three approaches on anti multi address interferences and anti“far-near” effects,and their bit error ratio(BER) under equivalent conditions are mathematically compared and analyzed.The simulation results of three approaches are then presented and their applications are analyzed.

关 键 词：码分多址 用户检测 多址干扰 误比特率 “远-近”效应 数字蜂窝移动通信系统 CDMA 

分 类 号：TN929.533[电子电信—通信与信息系统]