Outage probability of cognitive radio networks with relay selection

被引：18
|
作者：
Li, D. [1 ]
机构：
[1] Macau Univ Sci & Technol, Fac Informat Technol, Taipa, Macau, Peoples R China
来源：
IET COMMUNICATIONS | 2011年 / 5卷 / 18期
关键词：
WIRELESS NETWORKS; POWER ALLOCATION; DIVERSITY;
D O I：
10.1049/iet-com.2011.0216
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 study, the author investigates the outage performance of cognitive relay networks, in which the best relay is selected based on full and partial channel state information, respectively. The author derives exact closed-form expressions for both relay selection schemes, and study their asymptotic performance in terms of the diversity order based on the performance bound analysis. Simulation results are provided to confirm the accuracy of the analytical results, and highlight performance gains provided by the relay selection in cognitive radio networks.
引用
收藏
页码：2730 / 2735
页数：6
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