Pan Lijun, Liu Zemin School of Telecommunication Engineering. A Modified CMA+DD-LMS Blind Equalization Algorithm[J]. 2004, (5): 58-60.DOI:
A Modified CMA+DD-LMS Blind Equalization Algorithm
摘要
在信道眼图闭合的情况下
目前常用的均衡方法是使用常数模CMA等盲均衡算法来使眼图睁开
然后再切换到DD-LMS。本文对CMA+DD-LMS的切换条件进行了修改
引入了一个迭代阈值
以提高算法的收敛速度。计算机仿真结果证明了改进算法在性能方面的提高。
Abstract
When the channel eye diagram is close
the method of using blind equalization algorithm such as CMA to open the eyeand then switch to DD-LMS is often used. In this paper
a n iteration threshold is introduced to the switch conditionbetween CMA and DD-LMS in order to improve the algorithm’s convergence rate. The modified algorithm’s advantageis proved by computer simulation at last.