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[1]李荣芳.泛在电力物联网的物理层安全研究[J].工业仪表与自动化装置,2021,(05):127-132.[doi:10.19950/j.cnki.cn61-1121/th.2021.05.027]
　LI Rongfang.Research on physical layer security of ubiquitous power Internet of Things[J].Industrial Instrumentation & Automation,2021,(05):127-132.[doi:10.19950/j.cnki.cn61-1121/th.2021.05.027]
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泛在电力物联网的物理层安全研究

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2021年05期
页码:
127-132
栏目:
出版日期:
2021-10-15

文章信息/Info

Title:
Research on physical layer security of ubiquitous power Internet of Things
作者:
李荣芳
陕西邮电职业技术学院，陕西 咸阳 712000
Author(s):
LI Rongfang
(Shaanxi Post and Telecommunication College, Shaanxi Xianyang 712000,China)
关键词:
泛在电力物联网; 物理层安全; 保密容量; MIMO
Keywords:
ubiquitous power Internet of Things;  physical layer security;  secrecy capacity;  secrecy outage;  MIMO
分类号:
TM76
DOI:
10.19950/j.cnki.cn61-1121/th.2021.05.027
文献标志码:
A
摘要:
泛在电力物联网主要靠电力线通信（PLC）来覆盖电力系统的各个环节，使电力系统的各环节呈现万物互联、人机交互效果。为了提高系统的传输速率，该文将多输入多输出（MIMO）技术引入到PLC系统。在新构建的MIMO-PLC系统中，该文研究了存在窃听者情况下，带有人工噪声的非中继/协作中继模型中该系统的保密容量。分析了接收端的信噪比、衰减因子和发射功率等因素对保密容量的影响。结果表明：随着合法接收端的信噪比的增加，该系统的保密容量会出现一个平台效应，因此，当PLC安全性达到一定极限后，不能单纯去增加SNR以提高系统安全性能。
Abstract:
Ubiquitous power Internet of things mainly relies on power line communication (PLC) to cover all aspects of the power system, making all aspects of the power system present the effect of interconnection and human-computer interaction. In order to improve the transmission rate of the system, MIMO technology is introduced into PLC system. In the newly constructed MIMO-PLC system, this paper studies the security capacity of the system in the non-relay / cooperative relay model with artificial noise in the presence of eavesdroppers. The influence of signal-to-noise ratio (SNR), attenuation factor and transmit power on the security capacity is analyzed. The conclusion shows that with the increase of signal-to-noise ratio of the legitimate receiver, there will be a platform effect in the security capacity of the system. Therefore, when the PLC security reaches a certain limit, we can’t simply increase SNR to improve the security performance of the system.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2021-04-08

项目基金：
2019年度陕西省职教学会规划课题（SZJYB19—236）

作者简介：
李荣芳，女，硕士，陕西邮电职业技术学院，副教授，移动互联应用技术专业负责人，主要研究方向为数据通信，移动互联网技术。
更新日期/Last Update: 1900-01-01