General and efficient relay selection for two-way opportunistic amplify-and-forward relaying

被引：1
|
作者：
Li, Jing [1 ,2 ]
Qian, Xiabin [1 ]
Ge, Jianhua [1 ]
Zhang, Chensi [1 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[2] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA
来源：
ELECTRONICS LETTERS | 2014年 / 50卷 / 24期
基金：
中国国家自然科学基金;
关键词：
NETWORKS;
D O I：
10.1049/el.2014.2321
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：
Considering the most general case that each node transmits with unequal powers, an efficient relay selection scheme is proposed for the two-way amplify-and-forward (AF) relaying system, which bypasses the need for channel estimation and can be implemented by comparing the product of each relay's local transmit power and its received pilot signalling powers from the two sources. A tight closed-form lower bound for the system outage probability is derived in Nakagami-m fading, followed by the analysis of diversity and coding gains. Simulation results are presented to corroborate analysis.
引用
收藏
页码：1886 / U255
页数：2
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