Combining decoded-and-forwarded signals in Gaussian cooperative channels

被引:8
作者
Djeumou, B. [1 ]
Lasaulce, S. [1 ]
Klein, A. G. [1 ]
机构
[1] CNRS, LSS, 3 rue Joliot-Curie, F-91190 Gif Sur Yvette, France
来源
2006 IEEE INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND INFORMATION TECHNOLOGY, VOLS 1 AND 2 | 2006年
关键词
relay channel; cooperation; decode-and-forward; MRC; MMSE; ML;
D O I
10.1109/ISSPIT.2006.270875
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
The goal of this paper is to investigate the different ways of combining signals that have been decoded-and-forwarded by a bunch of relays. We more deeply look at the case where the relays are in bad reception conditions and the cooperation powers are sufficiently high. In this situation using a conventional MRC severely degrades the receiver performance especially when the number or relays increases. On the other hand the MMSE- and ML-based combiners can almost always extract from their partners some performance improvements.
引用
收藏
页码:622 / +
页数:4
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