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Nonlinear Echo Cancellation using an ECLMS Algorithm  

Nam, Sang-Won (한양대 전자통신컴퓨터 공학부)
Kim, Byoung-Soo (한양대 전자통신전파공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers D / v.54, no.10, 2005 , pp. 639-642 More about this Journal
Abstract
In this paper, a robust nonlinear echo cancellation is proposed, where a third-order adaptive Volterra filtering is employed along with an expanded correlation LMS (ECLMS) algorithm to compensate for nonlinear distortion in the echo path. (e.g., DAC of the hybrid network). Finally, the robustness in the echo cancellation of the proposed approach is demonstrated using computer simulations, where high attenuation of echo signals is achieved even in the double-talk situation (e.n., BdB improvement in ERLE).
Keywords
Nonlinear Echo Cancellation; Adaptive Volterra Filtering; ECLMS (Expanded Correlation LMS) Algorithm;
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