Transmit antenna selection for two-hop decode-and-forward relaying

被引：9
|
作者：
Guo, H. [1 ,2 ]
Ge, J. [1 ]
Gao, M. [1 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[2] Henan Polytech Univ, Jiaozuo 454000, Peoples R China
来源：
ELECTRONICS LETTERS | 2011年 / 47卷 / 18期
关键词：
OUTAGE PROBABILITY;
D O I：
10.1049/el.2011.1408
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：
Transmit antenna selection schemes for a two-hop decode-and-forward relay system with a source-destination direct link are considered, and the optimal selection scheme and a suboptimal one are proposed. The exact closed-form expressions for the outage probabilities of the two selection schemes are derived. Moreover, the asymptotic expressions at high signal-to-noise ratio for the outage probabilities are presented, and show that both the optimal and the suboptimal transmit antenna selection scheme can achieve the full diversity order.
引用
收藏
页码：1052 / U67
页数：2
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