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A New Robust Variable Step-Size NLMS Algorithm
IEEE Transactions on Signal Processing
A new framework for designing robust adaptive filters is introduced. It is based on the optimization of a certain cost function subject to a time-dependent constraint on the norm of the filter update. Particularly, we present a robust variable step-size NLMS algorithm which optimizes the square of the a posteriori error. We also show the link between the proposed algorithm and another one derived using a robust statistics approach. In addition, a theoretical model for predicting the transientdoi:10.1109/tsp.2007.913142 fatcat:4bmix5scrrc4lm6oz27mexfzr4