A fast converging algorithm for network echo cancelation

doi:10.1109/LSP.2004.824027

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A fast converging algorithm for network echo cancelation

2004-04-01

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M. Atarodi

DOI：10.1109/LSP.2004.824027

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Abstract

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This letter presents a novel method for network echo cancelation, based on a combination of normalized least mean square (NLMS) and proportionate NLMS (PNLMS) adaptive filtering algorithms. First, based on a rough analysis of PNLMS adaptation, it is indicated why after PNLMS initial fast convergence, it slows down: Then, the method used to overcome this deficiency is presented. Last, by showing some of the simulations, its improvement over PNLMS algorithm is shown.

Keywords:

adaptive filters

composite proportionate normalized least mean squares (PNLMS) and normalized least mean

squares (NLMS) (CPNLMS)

echo cancelation

proportionate normalized least mean squares (PNLMS)

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