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An Affine Projection Algorithm Based DFE with Set-Membership Filtering

被引：0
|
作者：
Mishra, Ramesh Chandra [1 ]
Bhattacharjee, Ratnajit [1 ]
Mitra, Abhijit [2 ]
机构：
[1] Indian Inst Technol, Dept EEE, Gauhati, Assam, India
[2] Sir JC Bose Sch Engg, Dept ECE, Hooghly, W Bengal, India
来源：
2012 5TH INTERNATIONAL CONFERENCE ON COMPUTERS AND DEVICES FOR COMMUNICATION (CODEC) | 2012年
关键词：
Affine projection algorithm; Decision feedback equalizer; Normalized least mean square algorithm; Set-membership;
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：
A channel equalization technique based on the affine projection algorithms (APA) with set-membership (SM) filtering for updating filters of a decision feedback equalizer (DFE) is proposed for time-varying wireless channels. The performance of the proposed approach is analyzed through simulations. It is shown in the results that this scheme offers advantages of having substantial fewer number of weight updating operations at moderate SNR with almost similar convergence as normal APA based equalizer. The introduced equalizer converges faster with a marginal increase in complexity than the set-membership normalized least mean square (NLMS) algorithm based equalizer.
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页数：4
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