Semi-blind turbo decoding in impulsive noise channels

被引：1
|
作者：
Majoul, Taoufik [1 ]
Raouafi, Fathi [1 ]
Jaidane, Meriem [1 ]
机构：
[1] Ecole Natl Ingnenieurs Tunis, Signals & Syst Res Unit, Tunis 1002, Le Belvedere, Tunisia
来源：
2008 3RD INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS, CONTROL AND SIGNAL PROCESSING, VOLS 1-3 | 2008年
关键词：
D O I：
10.1109/ISCCSP.2008.4537334
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we deal with the application of turbo codes over impulsive noise channels. We investigate the robustness of the turbo decoding performances in presence of an impulsive noise considered by the Generalized Gaussian (GG) probability density function (PDF) model. This noise model has been proposed for many applications in communication systems. In addition, we propose a semi-blind decoding procedure suitable for impulsive noise environments. This robust scheme is obtained by a simple procedure based on higher order statistics (HOS) which allows to set the best noise distribution estimation into the soft metrics needed for the decoding process. Results show that the proposed approach offers considerable performance improvement.
引用
收藏
页码：810 / 813
页数：4
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