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Intelligent Reflecting Surface Enabled Secure Cooperative Transmission for Satellite-Terrestrial Integrated Networks by Sai Xu; Jiajia Liu; Yurui Cao; Jingyi Li; Yanning Zhang is a Engineering article available to read on EtoBox.

What is Intelligent Reflecting Surface Enabled Secure Cooperative Transmission for Satellite-Terrestrial Integrated Networks about?

In this paper, we propose an intelligent reflecting surface (IRS) empowered secure cooperative transmission strategy for satellite-terrestrial integrated networks. In such networks, an IRS is deployed near the satellite user to reflect the common-spectrum friendly interference from the terrestrial network to help protect the satellite downlink transmission from being eavesdropped. We seek to minimize the target signal-to-interference-plusnoise-ratio (SINR) at the eavesdropper required to guarantee the reliable communication at the terrestrial network user and to limit the maximum tolerable interference at the satellite user. Then, an alternation optimization scheme is developed. Simulation results verify that the proposed IRS enabled cooperative jamming scheme can reduce the target SINR at the eavesdropper significantly, thus achieving a great secrecy gain.

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Author

Sai Xu; Jiajia Liu; Yurui Cao; Jingyi Li; Yanning Zhang

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

2021

Language

EN

Field

Engineering (Physical Sciences)