Orthogonal Decode and Forward Relaying with Improved Spectral Efficiency

被引：6
|
作者：
Srinivas, K. V. [1 ]
Giridhar, K. [1 ]
Koilpillai, R. D. [1 ]
机构：
[1] Indian Inst Technol, Dept Elect Engn, Madras 600036, Tamil Nadu, India
来源：
IEEE COMMUNICATIONS LETTERS | 2009年 / 13卷 / 02期
关键词：
Cooperative relaying; diversity; rotated constellations; USER COOPERATION DIVERSITY; CHANNELS;
D O I：
10.1109/LCOMM.2009.081511
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Cooperative relay communications can significantly improve the reliability of data transmission over wireless fading channels by implementing spatial diversity in a distributed fashion. Orthogonal decode and forward (ODF) relaying achieves maximum diversity provided by the source-destination and relay-destination channels, but suffers from low spectral efficiency. We propose a novel ODF protocol having higher spectral efficiency without sacrificing the diversity gain. We analyze the symbol error probability of the proposed protocol and also present simulation results.
引用
收藏
页码：109 / 111
页数：3
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