New constant modulus algorithm suitable for nonconstant modulus signals

RAO Wei1; SUN Hui1; GUO Ye-cai2; DENG Cheng-zhi1; WANG Sheng-qian1; TIAN Wei1

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New constant modulus algorithm suitable for nonconstant modulus signals

更新时间：2024-10-14

- New constant modulus algorithm suitable for nonconstant modulus signals
- Vol. 32, Issue 9, Pages: 167-173(2011)
- 作者机构：
  
  1. 南昌工程学院信息工程学院
  2. 南京信息工程大学电子与信息工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.5
- Published：2011
- 稿件说明：
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RAO Wei1, SUN Hui1, GUO Ye-cai2, et al. New constant modulus algorithm suitable for nonconstant modulus signals[J]. 2011, 32(9): 167-173.
DOI：

RAO Wei1, SUN Hui1, GUO Ye-cai2, et al. New constant modulus algorithm suitable for nonconstant modulus signals[J]. 2011, 32(9): 167-173. DOI：

摘要

常数模算法在对非常模信号进行均衡时

稳态均方误差无法收敛至零。对常数模算法中的代价函数进行修正

该代价函数能将非常模信号的多个幅度模值变换成单一幅度模值

从而使新算法的稳态均方误差为零。理论分析和仿真结果证明了新算法的优良性能。

Abstract

The steady-state mean square error（MSE） of constant modulus algorithm（CMA） can not converge to zero for nonconstant modulus signals.By changing the multimodulus of nonconstant modulus source to single modulus

a new cost function was defined.And the new CMA based on such cost function can lead the steady-state MSE to zero.Theoretic analysis and computer simulation results demonstrate that the proposed algorithm offer high performance.

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