A New Transmit Antenna Selection Technique for Physical Layer Security with Strong Eavesdropping

被引：1

作者：

Anaya-Lopez, Gonzalo J. ^{[1
]}

Carlos Ruiz-Sicilia, J. ^{[2
]}

Javier Lopez-Martinez, F. ^{[1
]}

机构：

[1] Univ Malaga, Inst Telecomunicac TELMA, Malaga 29010, Spain

[2] Univ Malaga, Dept Commun Engn, Malaga 29071, Spain

来源：

2021 INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGIES AND NETWORKING (COMMNET'21) | 2021年

关键词：

Secrecy capacity; physical layer security; wireless security; attacks; fading channels; MIMO; SYSTEMS;

D O I：

10.1109/CommNet52204.2021.9641938

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose a new transmit antenna selection (TAS) technique that can be beneficial for physical layer security purposes. Specifically, we show that the conventional TAS criterion based on the legitimate channel state information (CSI) is not recommended when the average signal-to-noise ratio for the illegitimate user becomes comparable or superior to that of the legitimate user. We illustrate that an eavesdropper's based antenna selection technique outperforms conventional TAS, without explicit knowledge of the eavesdropper's instantaneous CSI. Analytical expressions and simulation results to support this comparison are given, showing how this new TAS scheme is a better choice in scenarios with a strong eavesdropper.

引用

页码：18 / 22

页数：5

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