Beamforming in Dual-Hop AF Relaying with Imperfect CSI and Co-channel Interference

被引：2
|
作者：
An, Kang [1 ]
Lin, Min [2 ,3 ]
Ouyang, Jian [4 ]
Wei, Heng [1 ]
机构：
[1] PLA Univ Sci & Technol, Coll Commun Engn, Nanjing, Jiangsu, Peoples R China
[2] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing, Jiangsu, Peoples R China
[3] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Jiangsu, Peoples R China
[4] Nanjing Univ Posts & Telecommun, Inst Signal Proc & Transmiss, Nanjing, Jiangsu, Peoples R China
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2014年 / 78卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Amplify-and-forward relaying; Beamforming; Co-channel interference; Imperfect channel estimation; FEEDBACK DELAY; PERFORMANCE; NETWORKS; SYSTEMS;
D O I：
10.1007/s11277-014-1811-2
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter studies the joint effects of imperfect channel state information (CSI) and co-channel interference (CCI) on a dual-hop variable gain amplify-and-forward (AF) relay network with beamforming. The source and destination are both equipped with multiple antenna, while the relay has a single antenna. Specifically, the analytical expressions for the outage probability and average symbol error rate of the considered AF relaying are derived. Moreover, the asymptotic analysis at high SNR is also presented to reveal the diversity order and array gain of the relay system. Finally, computer simulations are given to confirm the validity of the proposed theoretical analysis and quantify the combined influence of imperfect CSI and CCI on the system performance.
引用
收藏
页码：1187 / 1197
页数：11
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