On the performance of amplify-and-forward relay systems with limited feedback beamforming

被引：8
|
作者：
Zeng, Erlin [1 ]
Zhu, Shihua [1 ]
Liao, Xuewen [1 ]
Zhong, Zhimeng [1 ]
Feng, Zhenjie [1 ]
机构：
[1] Xian Jiaotong Univ, Dept Informat & Commun Engn, Xian, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2008年 / E91B卷 / 06期
关键词：
amplify-and-forward; relaying; beamforming; limited feedback; outage probability;
D O I：
10.1093/ietcom/e91-b.6.2053
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：
Prior studies have shown that the performance of amplify-and-forward (AF) relay systems can be considerably improved by using multiple antennas and low complexity linear processing at the relay nodes. However, there is still a lack of performance analysis for the cases where the processing is based on limited feedback (LFB). Motivated by this, we derive the closed-form expression of the outage probability of AF relay systems with LFB beamforming in this letter. Simulation results are also provided to confirm the analytical studies.
引用
收藏
页码：2053 / 2057
页数：5
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