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Within the framework that two filters are working in parallel, stochastic taps NLMS (ST-NLMS) effectively chooses only active taps for adaptation, resulting in a good transient behavior when identifying long, sparse, echo path like systems. However, ST-NLMS still suffers from the inherent limitation of LMS. This necessitates a compromise between the opposing fundamental requirements of fast convergence...
An efficient adaptive filtering algorithm for network echo cancellers is proposed in this paper. Employing the primary and auxiliary filter that operate parallel, an algorithm recently proposed named stochastic taps NLMS (ST-NLMS) estimates and locates the active region of the unknown system impulse response, therefore results a rapid transient behavior while estimating long, sparse, echo path like...
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