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Variable Tap-Length NLMS Algorithm with Adaptive Parameter

Yufei HAN, Mingjiang WANG, Boya ZHAO

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Summary :

Improved fractional variable tap-length adaptive algorithm that contains Sigmoid limited fluctuation function and adaptive variable step-size of tap-length based on fragment-full error is presented. The proposed algorithm can solve many deficiencies in previous algorithm, comprising small convergence rate and weak anti-interference ability. The parameters are able to modify reasonably on the basis of different situations. The Sigmoid constrained function can decrease the fluctuant amplitude of the instantaneous errors effectively and improves the ability of anti-noise interference. Simulations demonstrate that the proposed algorithm equips better performance.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.8 pp.1720-1723
Publication Date
2017/08/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.1720
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Yufei HAN
  Shenzhen Graduate School of Harbin Institute of Technology
Mingjiang WANG
  Shenzhen Graduate School of Harbin Institute of Technology
Boya ZHAO
  Shenzhen Graduate School of Harbin Institute of Technology

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