基于正方形星座图划分的水声信道盲均衡算法

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摘要本文提出了一种适用于高阶QAM信号的盲均衡算法,该算法分别对QAM信号的同相分量和正交分量进行均衡,其收敛后的性能优于常数模算法CMA和基于判决圆划分的算法,因而误码率较低。采用分数间隔系统进行水声多途信道的仿真实验验证了该算法良好的收敛性能。

作者张艳萍赵俊渭王尚斌李金明

机构地区西北工业大学声学工程研究所

出处《声学与电子工程》 2004年第3期17-20,共4页 Acoustics and Electronics Engineering

基金国家自然科学基金资助项目(60372086) 国防科技重点实验室资助项目(51446040103HK03002)

关键词盲均衡水声信道常数模算法高阶QAM信号星座图误码率 CMA 收敛性能仿真实验划分

参考文献7

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声学与电子工程

2004年第3期

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