The Beamforming Design for Optimal Outage Probability of Analog Network Coding with Multi-Antenna Relay Channel

被引：0
|
作者：
Wang, Rui [1 ]
Chen, Chen [1 ]
Wang, Da [1 ]
Xiang, Haige [1 ]
机构：
[1] Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
来源：
INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL | 2012年 / 15卷 / 01期
关键词：
Analog network coding; Outage probability; Multi-antenna relay; Optimal beamforming; AMPLIFY-AND-FORWARD;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper considers the analog network coding (ANC), which is an amplify-and-forward (AF) protocol for two-way relay channel (TWRC). In the ANC protocol, two end-sources exchange information through the help of the relay in two stages. In some recent studies, the outage probability of single-antenna relay in TWRC is presented and strategies for selecting the optimal relay are proposed. This paper studies the bidirectional network where each end-source has a single antenna and the relay has multiple antennas. We analyze the outage probability for the bidirectional network. The beamforming structure to reach the optimal outage performance is proposed. Then we compare the performance with the system of single-antenna relay network. Simulations demonstrate that multi-antenna relay system achieves the diversity gain as compared to single-antenna system.
引用
收藏
页码：59 / 66
页数：8
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