Physical-Layer Attack Detection and Countermeasures for RIS-Assisted MIMO Systems

被引:0
|
作者
Ma, Yiwen [1 ,2 ]
Cao, Ruohan [1 ,2 ]
Gao, Hui [1 ,2 ]
Lu, Yueming [1 ,3 ]
机构
[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Trustworthy Distributed Comp & Serv, Beijing 100876, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China
[3] Beijing Univ Posts & Telecommun, Sch Cyberspace Secur, Beijing 100876, Peoples R China
关键词
RIS; attack detection; electromagnetic interference; controller manipulating attack; SECURITY;
D O I
10.1109/LWC.2023.3322882
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 letter focuses on reconfigurable intelligent surface (RIS) assisted multiple-input multiple-output (MIMO) systems, wherein an attacker is free to conduct a controller manipulating attack or electromagnetic interference (EMI) against RIS. We first consider attack detection, then identify the type of attack. When the type is identified as EMI, we investigate countermeasures by estimating and eliminating the received EMI. Finally, the optimization algorithm is proposed to enhance signal-to-interference plus noise ratio with EMI elimination. All the proposed schemes are based on physical-layer symbols without secret keys. The effectiveness of the proposed schemes has been validated by numerical or analytical results.
引用
收藏
页码:123 / 127
页数:5
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