A reconsideration of improved PNLMS algorithm from metric combining viewpoint

Osamu Toda; Masahiro Yukawa

doi:10.1109/ACSSC.2013.6810645

A reconsideration of improved PNLMS algorithm from metric combining viewpoint

Osamu Toda, Masahiro Yukawa

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

In this paper, we show the importance of considering metric in adaptive filtering through a reconsideration of the improved proportionate normalized least mean square (IPNLMS) algorithm for sparse systems from a viewpoint of metric combining. IPNLMS convexly combines a positive-definite diagonal matrix (whose diagonal elements are proportional to the absolute values of the adaptive filter to reflect the system sparsity) with the identity matrix. We present the metric-combining NLMS (MC-NLMS) algorithm and derive, as its special example, the natural PNLMS (NPNLMS) algorithm. NPNLMS can be regarded as a modified version of IPNLMS and we show that NPNLMS is more natural (and performs better) than IPNLMS.

Original language	English
Title of host publication	Conference Record of the 47th Asilomar Conference on Signals, Systems and Computers
Publisher	IEEE Computer Society
Pages	1951-1955
Number of pages	5
ISBN (Print)	9781479923908
DOIs	https://doi.org/10.1109/ACSSC.2013.6810645
Publication status	Published - 2013 Jan 1
Event	2013 47th Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States Duration: 2013 Nov 3 → 2013 Nov 6

Publication series

Name	Conference Record - Asilomar Conference on Signals, Systems and Computers
ISSN (Print)	1058-6393

Other

Other	2013 47th Asilomar Conference on Signals, Systems and Computers
Country/Territory	United States
City	Pacific Grove, CA
Period	13/11/3 → 13/11/6

ASJC Scopus subject areas

Signal Processing
Computer Networks and Communications

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10.1109/ACSSC.2013.6810645

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Toda, O., & Yukawa, M. (2013). A reconsideration of improved PNLMS algorithm from metric combining viewpoint. In Conference Record of the 47th Asilomar Conference on Signals, Systems and Computers (pp. 1951-1955). Article 6810645 (Conference Record - Asilomar Conference on Signals, Systems and Computers). IEEE Computer Society. https://doi.org/10.1109/ACSSC.2013.6810645

A reconsideration of improved PNLMS algorithm from metric combining viewpoint. / Toda, Osamu; Yukawa, Masahiro.
Conference Record of the 47th Asilomar Conference on Signals, Systems and Computers. IEEE Computer Society, 2013. p. 1951-1955 6810645 (Conference Record - Asilomar Conference on Signals, Systems and Computers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Toda, O & Yukawa, M 2013, A reconsideration of improved PNLMS algorithm from metric combining viewpoint. in Conference Record of the 47th Asilomar Conference on Signals, Systems and Computers., 6810645, Conference Record - Asilomar Conference on Signals, Systems and Computers, IEEE Computer Society, pp. 1951-1955, 2013 47th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, United States, 13/11/3. https://doi.org/10.1109/ACSSC.2013.6810645

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A reconsideration of improved PNLMS algorithm from metric combining viewpoint

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