On the Performance of Underlay Cognitive Multisource Multirelay Cooperative Networks

被引：8
作者：
Huang, Haiyan [1 ]
Beaulieu, Norman C. [2 ,3 ]
Li, Zan [1 ]
Si, Jiangbo [1 ]
机构：
[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China
[3] Beijing Univ Posts & Telecommun, Beijing Key Lab Network Syst Architecture & Conve, Beijing 100876, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2015年 / 19卷 / 04期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Diversity; multirelay; multisource; outage probability; underlay cognitive radio; MULTIUSER DIVERSITY; RELAY SELECTION; RADIO NETWORKS;
D O I：
10.1109/LCOMM.2015.2398421
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
An underlay cognitive multisource multirelay cooperative network is proposed and an analytical framework to evaluate the system performance is formulated. Under both maximum transmission power and interference power constraints, exact and asymptotic outage probabilities for proactive decode-and-forward relaying over Rayleigh fading channels are derived. Both multiuser diversity and cooperative diversity can be achieved with direct secondary links.
引用
收藏
页码：605 / 608
页数：4
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