RIS-Aided Physical Layer Security With Full-Duplex Jamming in Underlay D2D Networks

This paper investigates the physical layer security and data transmission for the underlay device-to-device (D2D) networks, and considers a combination of the reconfigurable intelligent surface (RIS) and full-duplex (FD) jamming receiver for the robustness and security enhancements of the system. In...

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Bibliographic Details
Published in:IEEE access 2021, Vol.9, p.99667-99679
Main Authors: Khalid, Waqas, Yu, Heejung, Do, Dinh-Thuan, Kaleem, Zeeshan, Noh, Song
Format: Article
Language:English
Subjects:
6G mobile communication
Beamforming
Data transmission
Device-to-device communication
Ergodic processes
ergodic secrecy rates
full-duplex jamming
Jamming
Networks
Physical layer security
Power management
Receivers
reconfigurable intelligent surface
Robustness
Robustness (mathematics)
Security
Transmitters
Underlay D2D networks
Wireless communication
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Summary:This paper investigates the physical layer security and data transmission for the underlay device-to-device (D2D) networks, and considers a combination of the reconfigurable intelligent surface (RIS) and full-duplex (FD) jamming receiver for the robustness and security enhancements of the system. In the demonstrated spectrum sharing setup, the total power of the D2D networks is conceived to the transmitter and receiver to transmit a private message and emit the artificial noise (AN) signals. To prevent information leakage, a beamforming design is presented for a multi-antenna FD D2D receiver in order to suppress and inject the AN signals in the direction of legitimate users and eavesdropper, respectively. The statistical characterization of end-to-end RIS-assisted wireless channels is presented, and the achievable ergodic secrecy rate of the system is derived in novel approximate expressions. The numerical and simulation results confirm the accuracy and effectiveness of the proposed analytical framework. The results demonstrate an optimal selection of the D2D power allocations for different number of reflecting elements in terms of achievable ergodic secrecy rates of the system.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2021.3095852