On the Study of Outage Performance for Interference Alignment (IA) in Cognitive Relay Networks

被引：0
|
作者：
Xing, Jia [1 ]
Zhang, Xing [1 ]
Wang, Wenbo [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Wireless Signal Proc & Network Lab, Key Lab Universal Wireless Commun, Minist Educ, Beijing 100876, Peoples R China
来源：
2013 8TH INTERNATIONAL ICST CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA (CHINACOM) | 2013年
关键词：
Cognitive relay networks; interference alignment; outage performance;
D O I：
暂无
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 cognitive radio systems, interference between primary users and secondary users greatly affects the system performance, which is an issue worth studying. Recently, interference alignment (IA) has been proposed as an effective method to deal with the interference among multiple users. In this paper, we apply distributed interference alignment to a cognitive relay network (CRN) and study the outage performance for the secondary system. Simulation results show that for cognitive relay networks, interference alignment can greatly improve the outage performance of the secondary system, especially in the high signal-to-noise ratio (SNR) condition, which demonstrates that IA is a promising solution to interference avoidance in cognitive relay networks.
引用
收藏
页码：75 / 79
页数：5
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