An EM-MAP-Block algorithm for semi-blind channel estimation

被引：0
|
作者：
Touati, Sami [1 ]
机构：
[1] Univ Marne La Vallee, Inst Gaspard Monge, F-77454 Marne La Vallee 2, France
来源：
2006 IEEE International Conference on Acoustics, Speech and Signal Processing, Vols 1-13 | 2006年
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, we propose a semi-blind MAP (maximum "a posteriori") channel estimation method based on an Expectation-Maximization Block algorithm (EM-MAP-Block). In the OFDM communication context, our algorithm still have a linear arithmetical complexity. However, it yields to an SNR improvement going up to 3.5 dB compared to classical training sequences based channel estimation method in the context of 5 GHz OFDM WLANs. The new algorithm performs better than already existing recursive algorithms and block algorithms.
引用
收藏
页码：4147 / 4150
页数：4
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