Outage Performance of Cognitive Relay Networks with Primary User's ISR Constraint

被引：0
|
作者：
Wei, Zhiqing [1 ]
Xie, Yin [1 ]
Li, Rong [1 ]
Zhang, Qixun [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Wireless Technol Innovat Inst WTI, Minist Educ, Key Lab Universal Wireless Commun, Beijing 100876, Peoples R China
来源：
2012 IEEE VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL) | 2012年
关键词：
Cognitive Relay Networks; Outage Probability; Interference to Signal Ratio; COOPERATIVE RELAY; RADIO; ALLOCATION;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In the underlay spectrum sharing systems, secondary users (SUs) are allowed to transmit their data in the licensed spectrum band when primary users(PUs) are also transmitting, as long as the transmission of SUs do not interfere PUs' communications. In cognitive relay networks, the source and relay nodes both need to tune their transmit power to mitigate the interference to PU. In this paper, we investigate the outage performance of cognitive relay networks with PU's interference to signal ratio (ISR) constraint, where both average and peak ISR constraint are considered. Finally, We derive the exact outage probability in the scenario without cooperation and the upper bound of outage probability in the scenario with cooperation.
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页数：6
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