A New Variable Step Size Control Method for the Transform Domain LMS Adaptive Algorithm

被引：0
|
作者：
K. Mayyas
机构：
[1] Department of Electrical Engineering,
[2] Jordan University of Science and Technology,undefined
[3] Irbid,undefined
[4] 221 10,undefined
来源：
Circuits, Systems and Signal Processing | 2005年 / 24卷
关键词：
Adaptive Algorithm; Variable Step Size; Transform Domain; Adaptive Step; Step Size Control;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper develops a new adaptive step size control method for the transform domain least mean-square (TDLMS) adaptive algorithm. The time-varying step size is an efficient approximation of an optimal step size based on a proposed cost function, therefore leading to significant improvements in the performance characteristics of the TDLMS algorithm. Mean-square analysis is provided, and an expression for the steady-state excess mean-squared error (MSE) is derived. Simulation experiments confirm the algorithm's enhanced convergence properties and verify the theoretical steady-state MSE results.
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页码：703 / 721
页数：18
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