A LOW COMPLEXITY PROPORTIONATE AFFINE PROJECTION ALGORITHM FOR ECHO CANCELLATION

被引：0
|
作者：
Albu, Felix [1 ]
Paleologu, Constantin [1 ]
Benesty, Jacob [2 ]
Ciochina, Silviu [1 ]
机构：
[1] Univ Politeh Bucharest, Dept Telecommun, Bucharest 061071, Romania
[2] Univ Quebec, INRS EMT, Montreal, PQ H5A 1K6, Canada
来源：
18TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO-2010) | 2010年
关键词：
ADAPTATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Proportionate-type affine projection algorithms were developed in the context of echo cancellation, as a generalization of the proportionate-type normalized least-mean-square algorithms. A matrix inversion is required within the affine projection algorithm (APA). In the case of proportionate-type APAs, the update of the matrix to be inverted is very computationally expensive. In this paper, an efficient update of this matrix is proposed and the procedure is applied for a recently developed proportionate-type APA. It is shown that the proposed algorithm achieves similar performance but significantly lowers numerical complexity as compared to known proportionate-type APAs.
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页码：6 / 10
页数：5
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