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A QR-based least mean squares algorithm for adaptive parameter estimation

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2 Author(s)
Liu, Z.-S. ; Dept. of Electr. & Comput. Eng., Florida Univ., Gainesville, FL, USA ; Jian Li

The optimum nonlinearly modified least-mean-square (ONM-LMS) algorithm has been shown to perform better than both the LMS and the normalized LMS algorithms. This paper proposes a QR-LMS adaptive parameter estimation algorithm that can perform significantly better than ONM-LMS. The performances of QR-LMS, including its numerical stability, error propagation property, and tracking ability, are analyzed. These properties are also verified with numerical examples

Published in:
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on  (Volume:45 ,  Issue: 3 )

Date of Publication: Mar 1998

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