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Proceedings of 2009 International Workshop on Information Security and Application (IWISA 2009)

Qingdao, China, November 21-22, 2009

Editors: Feng Gao and Xijun Zhu

AP Catalog Number: AP-PROC-CS-09CN004

ISBN: 978-952-5726-06-0

Page(s): 15-18

Correlation Function based the Blind Equalization Algorithm

Juanjuan Ji, Yecai Guo, Chao Yang, and Yuping Duan

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Based on analyzing blind equalization algorithm, Correlation Function based the Blind Equalization Algorithm (CFBEA) is proposed. The proposed algorithm is based on the processing of correlation function of the input signal, instead of the processing of input signal itself, a new error function is defined, The proposed algorithm is derived according to correlation function mean square error criteria defined by Asharif and Newton's instantaneous gradient descent algorithm, correlation ratio coefficient is introduced to improve convergence performance of the algorithm. Simulation tests with underwater acoustic channel indicate that the proposed algorithm has better convergence performance.

Index Terms

blind equalization, correlation function, correlation ratio coefficient, underwater acoustic channel

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