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Stability analysis of the noncanonical LMS (NCLMS) algorithm

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4 Author(s)
Gan, W.S. ; Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow, UK ; Soraghan, J.J. ; Stewart, R.W. ; Durrani, T.S.

The stability of the noncanonical least mean square (NCLMS) algorithm is investigated. The NCLMS effectively uses a different step size for each tap coefficient position during adaptation. The classical LMS step size bound cannot be directly applied to the NCLMS. The weight error vector is modeled as a first-order difference equation and a stability bound for the NCLMS is derived. Simulation results are presented to back up the analysis

Published in:

Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on  (Volume:4 )

Date of Conference:

23-26 Mar 1992