CDMA系统中基于噪声ICA的多用户检测方法  

Multi-user detection based on noise independent component analysis in CDMA system

作　　者：査万纪 

机构地区：[1]安徽电信规划设计院,合肥230031

出　　处：《信息技术》2011年第2期63-65,共3页Information Technology

摘　　要：将独立分量分析方法应用于CDMA系统的多用户检测中,针对ICA噪声模型,对噪声分量进行分析,根据修正的牛顿迭代法对ICA算法进行改进,提出一种改进的多用户检测方法。仿真结果表明,改进的噪声ICA多用户检测方法有效地降低了误码率,提高了检测性能。The independent component analysis method is applied to multi-user detection in CDMA system.In this paper,the noise component is analyzed,the Newton＇s iteration method is amended to improve ICA algorithm.On this basis,a new multi-user detection was proposed.The simulation results show that the improved noise ICA multi-user detection method is effective to reduce the error rate,advanced the detection performance.

关 键 词：码分多址 多用户检测 独立分量分析 噪声分量分析 牛顿迭代法 

分 类 号：TN929.5[电子电信—通信与信息系统] TN911.7[电子电信—信息与通信工程]