Sequential Monte Carlo method for blind equalization of a nonlinear satellite communication channel

被引：0
|
作者：
Sénécal, S [1 ]
Amblard, PO [1 ]
Cavazzana, L [1 ]
机构：
[1] ENSIEG, LIS, F-38402 St Martin Dheres, France
来源：
2003 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL VI, PROCEEDINGS: SIGNAL PROCESSING THEORY AND METHODS | 2003年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper proposes a sequential Monte Carlo simulation method for equalizing a satellite communication channel. The main difficulties encountered are the nonlinear distorsions due to the amplifier stage in the satellite. The aim of the method is to blindly restore the emitted message by considering a Bayesian approach. Thus, prior knowledge on the modeling of the nonlinearity is taken into account in the posterior distribution of the input sequence. Such a distribution is very difficult to study and thus motivates the implementation of Monte Carlo techniques. This approach makes it possible to solve the problem for a simplified model. The simulation scheme dealing with the complete transmission chain uses the method developed for the simplified model. Performance of the equalization algorithm is evaluated using Bit Error Rate versus Signal-to-Noise Ratio curves.
引用
收藏
页码：697 / 700
页数：4
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