Destination Scheduling for Secure Pinhole-Based Power-Line Communication

被引：0
作者：
Kundu C. [1 ]
Dubey A. [2 ]
Tonello A.M. [3 ]
Nallanathan A. [4 ]
Flanagan M.F. [1 ]
机构：
[1] University College Dublin, School of Electrical and Electronic Engineering, Dublin 4
[2] Indian Institute of Technology Jammu, Department of Ee, Jammu
[3] Institute of Networked and Embedded Systems, University of Klagenfurt, Klagenfurt
[4] Queen Mary University of London, School of Electronic Engineering and Computer Science, London
来源：
IEEE Open Journal of the Communications Society | 2023年 / 4卷
关键词：
log-normal distribution; physical layer security; power-line communication; scheduling;
D O I：
10.1109/OJCOMS.2023.3314535
中图分类号：
学科分类号：
摘要：
We propose an optimal destination scheduling scheme to improve the physical layer security (PLS) of a power-line communication (PLC) based Internet-of-Things system in the presence of an eavesdropper. We consider a pinhole (PH) architecture for a multi-node PLC network to capture the keyhole effect in PLC. The transmitter-to-PH link is shared between the destinations and an eavesdropper which correlates all end-to-end links. The individual channel gains are assumed to follow independent log-normal statistics. Furthermore, the additive impulsive noise at each node is modeled by an independent Bernoulli-Gaussian process. Exact computable expressions for the average secrecy capacity (ASC) and the probability of intercept (POI) performance over many different networks are derived. Approximate closed-form expressions for the asymptotic ASC and POI are also provided. We find that the asymptotic ASC saturates to a constant level as transmit power increases. We observe that the PH has an adverse effect on the ASC. Although the shared link affects the ASC, it has no effect on the POI. We show that by artificially controlling the impulsive to background noise power ratio and its arrival rate at the receivers, the secrecy performance can be improved. © 2020 IEEE.
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页码：2245 / 2260
页数：15
相关论文
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