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An Improved Adaptive Filtering Algorithmand Its Application to Chaotic Echo Cancellation |
Yang Bo①;Feng Jiu-chao①② |
①Faculty of Electronic and Information Engineering, Southwest University, Chongqing 400715, China; ②School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China |
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Abstract An improved adaptive filtering algorithm is proposed in this paper, and the convergence of the algorithm is analyzed. As an example, the new algorithm is used to cancel echo for the chaotic modulation communication systems experiencing echo channels. The results by computer simulation indicate that the improved algorithm has faster convergence speed and higher accuracy of computation. In addition, the new algorithm is steadier in the case of low SNR.
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Received: 11 May 2006
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