Diversity order of multiuser two-way relay networks with beamforming over Nakagami-m fading channels

被引：6
|
作者：
Guo Hui [1 ,2 ]
Ge JianHua [1 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[2] Henan Polytech Univ, Dept Commun Engn, Jiaozuo 454003, Peoples R China
来源：
SCIENCE CHINA-INFORMATION SCIENCES | 2011年 / 54卷 / 09期
关键词：
two-way relay; multiuser; beamforming; diversity order; PERFORMANCE ANALYSIS; SYSTEMS;
D O I：
10.1007/s11432-011-4340-6
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The diversity performance of multiuser two-way relay networks is investigated over Nakagami-m fading channels. We consider an amplify-and-forward relay network with beamforming at the base station and all the mobile stations, and derive closed-form lower and upper bounds on the outage probabilities of two unidirectional links, respectively. Moreover, the exact expression for the diversity order and the asymptotic expressions for the outage probabilities of two unidirectional links are given too. Finally, simulation results are presented to verify our formulations.
引用
收藏
页码：1986 / 1990
页数：5
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