A Variable Step Size Blind Equalization Algorithm Based on Gamma Distribution

Xiang Zhao; Jin Yong Sun; Han Hong Tan

doi:10.4028/www.scientific.net/AMR.457-458.961

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 457-458A Variable Step Size Blind Equalization Algorithm...

A Variable Step Size Blind Equalization Algorithm Based on Gamma Distribution

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 457-458)

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961-967

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.457-458.961

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Online since:

January 2012

Authors:

Xiang Zhao, Jin Yong Sun, Han Hong Tan

Keywords:

Blind Equalization, Constant Modulus Algorithm, Gamma Distribution, Variable Step Size

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