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An Adaptive Distributed Multiuser Detection
Author(s): 
Pages: 510-513
Year: Issue:  4
Journal: ACTA ELECTRONICA SINICA

Keyword:  CDMA宏分集多用户检测盲自适应分布式决策;
Abstract: 本文针对移动CDMA加性白高斯噪声和衰落信道,提出了一种自适应分布式多用户检测算法.它由空间分集和解相关检测复合组成.解相关检测器的性能近似最佳多用户检测器,且不依赖于其它用户的信号能量及衰落特性.基于随机梯度技术的盲自适应分集合并方案由最佳似然比检验准则构成.对其性能做了理论分析和数值估计,并与传统的选择法、等增益法及最大比值法做了比较.所提出的方法易于实时实现,可以较大地提高接收机性能和系统容量增益.
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