Secure Transmission in Underlay D2D Communications Using Optimal Relay Selection

被引：0
|
作者：
Khoshafa, Majid H. [1 ]
Ngatched, Telex M. N. [1 ]
Ahmed, Mohamed H. [2 ]
机构：
[1] Mem Univ, Fac Engn & Appl Sci, St John, NF A1B 3X5, Canada
[2] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON K1N 6N5, Canada
来源：
2020 IEEE 92ND VEHICULAR TECHNOLOGY CONFERENCE (VTC2020-FALL) | 2020年
关键词：
Physical layer security; D2D communications; secrecy outage probability; maximal-ratio combining; selection combining; PHYSICAL-LAYER SECURITY;
D O I：
10.1109/VTC2020-Fall49728.2020.9348610
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates the physical layer security of inband underlay Device-to-Device (D2D) communication, where there is no direct link between D2D users. In this respect, optimal relay selection is utilized to secure the D2D transmission. The eavesdropper uses either maximal-ratio combining or selection combining to improve the wiretapped signals. The D2D secrecy performance analysis is performed regarding the secrecy outage probability (SOP) and the probability of non-zero secrecy capacity, and closed-form expressions are provided. To validate the correctness of our analysis, numerical and simulation results are presented. Furthermore, the asymptotic analysis of the SOP is provided, where new insights into the system parameters are revealed.
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页数：6
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