SEMI-BLIND DATA-SELECTIVE EQUALIZERS FOR QAM

被引：3
|
作者：
Martins, Wallace A. [1 ]
Lima, Markus V. S. [1 ]
Diniz, Paulo S. R. [1 ]
机构：
[1] Univ Fed Rio de Janeiro, COPPE Poli, Signal Proc Lab, LPS, BR-21941 Rio De Janeiro, Brazil
来源：
2008 IEEE 9TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, VOLS 1 AND 2 | 2008年
关键词：
D O I：
10.1109/SPAWC.2008.4641658
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：
This paper proposes a new semi-blind data-selective affine-projection algorithm for channel equalization considering that the transmitted symbols belong to an M-QAM constellation. The main novelties of this algorithm are the combination of the affine-projection (AP) and set-membership (SM) concepts with the formulation of an error measure that is related to a square region (in the complex plane) centered at an element of the constellation. Simulations show that the proposed algorithm tracks slow channel variations as fast as a supervised algorithm, requiring less updates and keeping good BER performance.
引用
收藏
页码：501 / 505
页数：5
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