A Variable Step Size Blind Equalization Algorithm Based on Gamma Distribution

被引：0
|
作者：
Zhao Xiang [1 ]
Sun Jinyong [1 ]
Tan Hanhong [2 ]
机构：
[1] Guilin Univ Elect Technol, Sch Informat & Commun, Guilin 541004, Guangxi, Peoples R China
[2] Guangdong Univ Sci & Technol, Dept Mech & Elect, Dongguan 523083, Guangdong, Peoples R China
来源：
ADVANCED MATERIALS AND ENGINEERING MATERIALS, PTS 1 AND 2 | 2012年 / 457-458卷
关键词：
variable step size; gamma distribution; constant modulus algorithm; blind equalization;
D O I：
10.4028/www.scientific.net/AMR.457-458.961
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
a variable step size Constant Modulus Algorithm (CMA) based on the gamma distribution is implemented as solutions to optimize the problem of blind equalization. The factor of step size in blind equalization algorithm is varied with gamma variable, in terms of the characteristics of which, the algorithm can search for the globe optimal equalizer weight vector. Simulation results indicate that the convergence rate and the steady Mean Square Errors (MSE) performances of the algorithm proposed are much better than conventional CMA and modified CMA blind equalization algorithms.
引用
收藏
页码：961 / +
页数：2
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