Adaptive filter theory
Mean-square performance of a convex combination of two adaptive filters
IEEE Transactions on Signal Processing
An Affine Combination of Two LMS Adaptive Filters—Transient Mean-Square Analysis
IEEE Transactions on Signal Processing
An adaptive sensor array using an affine combination of two filters
SITE'12 Proceedings of the 11th international conference on Telecommunications and Informatics, Proceedings of the 11th international conference on Signal Processing
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This paper studies an affine combination of two NLMS adaptive filters, which is an interesting way of improving the performance of adaptive algorithms. The structure consists of two adaptive filters that adapt on the same input signal, one with a large and the other one with a small step size. Outputs of the individual filters are combined together with help of a parameter λ. Such a combination is capable of achieving fast initial convergence and small steady state error at the same time. In this paper we propose a novel way of computing the combination parameter λ and investigate the performance of the resulting combined algorithm.