Physical Layer Security For Dual-Hop VLC/RF Communication Systems

被引：29
|
作者：
Liao, Zhaohui [1 ]
Yang, Liang [2 ]
Chen, Jianchao [1 ]
Yang, Hong-Chuan [3 ]
Alouini, Mohamed-Slim [4 ]
机构：
[1] Guangdong Univ Technol, Dept Commun Engn, Guangzhou 510006, Guangdong, Peoples R China
[2] Hunan Univ, Coll Comp Sci & Elect Engn, Changsha 410082, Hunan, Peoples R China
[3] Univ Victoria, Victoria, BC V8P 5C2, Canada
[4] King Abdullah Univ Sci & Technol, Comp Elect & Math Sci & Engn Div, Thuwal 239556900, Saudi Arabia
来源：
IEEE COMMUNICATIONS LETTERS | 2018年 / 22卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Energy harvesting; physical layer security; secure outage probability; visible light communication;
D O I：
10.1109/LCOMM.2018.2873725
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this letter, we investigate the physical layer security of a mixed visible light communication (VLC)/radiofrequency (RF) system. More specifically, the relay can extract the direct current component and collect energy from the optical signal in the VLC link and then use this collected energy to retransmit data though the RF link. With this setup, the exact performance expressions for secure outage probability and average secrecy capacity are derived in closed form. We also provide asymptotic results to investigate the effect of different system parameters on the system performance. Finally, we present numerical results to illustrate our analytical result.
引用
收藏
页码：2603 / 2606
页数：4
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