An Affine Combination of Two NLMS Adaptive Filters - Transient Mean-Square Analysis

被引：2
|
作者：
Bermudez, Jose C. M. [1 ]
Bershad, Neil J. [2 ]
Tourneret, Jean-Yves [3 ]
机构：
[1] Univ Fed Santa Catarina, Dept Elec Eng, Florianopolis, SC, Brazil
[2] Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA USA
[3] Univ Toulouse, IRIT ENSEEIHT TESA, Toulouse, France
来源：
2008 42ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, VOLS 1-4 | 2008年
关键词：
D O I：
10.1109/ACSSC.2008.5074398
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper studies the statistical behavior of an affine combination of the outputs of two NLMS adaptive filters that simultaneously adapt using the same white Gaussian inputs. The behaviors or the mean optimal mixing parameter and combined mean-square deviation (MSD) are studied for a time-varying unknown channel. Simulation results are presented for the optimal unrealizable affine combiner and for a practical combining scheme. With proper design. the practical combiner scheme yields an overall MSD that is usually less than the MSD of either filter.
引用
收藏
页码：230 / +
页数：2
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