A VARIABLE STEP SIZE EVOLUTIONARY AFFINE PROJECTION ALGORITHM

被引：0
|
作者：
Albu, Felix [1 ]
Paleologu, Constantin [1 ]
Benesty, Jacob [2 ]
机构：
[1] Univ Politehn Bucuresti, Fac Elect & Telecommun, 1-3 Iuliu Maniu, Bucharest, Romania
[2] Univ Quebec, INRS EMT, Montreal, PQ H5A 1K6, Canada
来源：
2011 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2011年
关键词：
adaptive filters; affine projection algorithm; variable step size; echo cancellation;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
It is well known that the affine projection algorithm (APA) offers a good tradeoff between convergence rate/tracking and computational complexity. Recently, the evolutionary APA (E-APA) with a variable projection order has been proposed. In this paper, we propose a variable step size (VSS) version of the E-APA, called VSS-E-APA. It is shown that the VSS-E-APA is robust to near-end signal variations. Also, it has both a fast convergence speed and a small steady-state error and a much reduced numerical complexity than the VSS-APA.
引用
收藏
页码：429 / 432
页数：4
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