Blind Channel Shortening Algorithm Based on Correlation Property of Multicarrier Signals

被引：0
|
作者：
Ben Salem, Emna [1 ]
Besbes, Hichem [1 ]
Cherif, Sofiane [1 ]
Lopez-Valcarce, Roberto [2 ]
机构：
[1] Ecole Super Commun Tunis SUP COM, Res Unit TECHTRA, Tunis, Tunisia
[2] Univ Vigo, Vigo 36310, Spain
来源：
2009 3RD INTERNATIONAL CONFERENCE ON SIGNALS, CIRCUITS AND SYSTEMS (SCS 2009) | 2009年
关键词：
EQUALIZATION; SYSTEMS;
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：
In this paper, we propose a novel blind channel shortening algorithm to update the coefficients of the time domain equalizer (TEQ) in multicarrier system. The TEQ design investigates a second order statistics property of the received multicarrier signal, given by the presence of the cyclic prefix in the source. Here no assumptions about source stationarity and whiteness are needed to formulate the channel shortening criterion. The proposed shortener is implemented as a stochastic gradient descent algorithm and is compared to existing blind algorithms in terms of data bit rate. The simulation results are studied in the context of ADSL system.
引用
收藏
页码：501 / +
页数：2
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