Physical-layer secrecy outage of spectrum sharing CR systems over fading channels

被引：9
|
作者：
Liu, Hequn [1 ]
Zhao, Hui [1 ]
Jiang, Hong [1 ]
Tang, Chaoqing [1 ]
Pan, Gaofeng [1 ]
Li, Tingting [2 ]
Chen, Yunfei [3 ]
机构：
[1] Southwest Univ, Chongqing Key Lab Nonlinear Circuits & Intelligen, Chongqing 400715, Peoples R China
[2] Southwest Univ, Sch Math & Stat, Chongqing 400715, Peoples R China
[3] Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England
来源：
SCIENCE CHINA-INFORMATION SCIENCES | 2016年 / 59卷 / 10期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
spectrum sharing; cognitive radio; secrecy outage probability; Rayleigh fading channels; log-normal fading channels; SECURITY;
D O I：
10.1007/s11432-015-5451-2
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we investigate the physical-layer secrecy outage performance of underlay spectrum sharing systems over Rayleigh and log-normal fading channels in the presence of one eavesdropper. In particular, the secondary transmitter sends data to the legitimate receiver under the constraints of the interference temperature at the primary receiver, while suffering the wiretap from the eavesdropper. Closed-form and approximated expressions are derived for the secrecy outage probability over Rayleigh and log-normal fading channels, respectively. The accuracy of our performance analysis is verified by simulation results.
引用
收藏
页数：9
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