A NOVEL ANTENNA SELECTION SCHEME FOR AMPLIFY-AND-FORWARD MIMO RELAY SYSTEMS

被引：5
|
作者：
Wang, Y. [1 ]
Li, H. [1 ]
机构：
[1] Xidian Univ, Minist Educ, Key Lab Comp Network & Informat Secur, Xian 710071, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2010年 / 24卷 / 11-12期
关键词：
CHANNELS;
D O I：
10.1163/156939310792149597
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：
A critical factor in the deployment of multiple-input multiple-output (MIMO) relay systems is the cost of multiple radio frequency (RF) chains. This problem can be mitigated by antenna selection at the relay. This paper considers the selection criterion of the algorithm for amplify-and-forward (AF) relay to maximize a lower bound of the capacity, but not the exact capacity. This criterion reduces algorithmic complexity. Simulation results show that the proposed algorithm achieves comparable performance to the optimal algorithm under various conditions and have decreased complexity.
引用
收藏
页码：1531 / 1543
页数：13
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