Performance Analysis for Multi-Antenna Relay Networks with Limited Feedback Beamforming

被引：0
作者：
Liu, Zhen [1 ,2 ]
Wang, Xiaoxiang [1 ]
Zhang, Hongtao [1 ]
Song, Zhenfeng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Beijing, Peoples R China
[2] China Acad Telecommun Res MIIT, Beijing, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2011年 / E94B卷 / 02期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
decode-and-forward; multi-antenna relay; outage probability; error rate; limited feedback beamforming; CHANNELS;
D O I：
10.1587/transcom.E94.B.603
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：
In this letter, we study the performance of multi-antenna relay networks with limited feedback beamforming in decode-and-forward (OF) relaying. Closed-form expression for both outage probability and symbol error rate are derived by using the moment generation function (MGF) of the combined signal-to-noise ratio (SNR) at the destination. Subjected to a total power constraint, we also explore adaptive power allocation between source and relay to optimize the performance. Simulations are given to verify the correctness of our theoretical derivations. Results show that the proposed adaptive power allocation solution significantly outperforms the uniform power allocation method.
引用
收藏
页码：603 / 606
页数：4
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