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Secure transmission scheme for SWIPT-powered full-duplex relay system with multi-antenna based on energy cooperation and cooperative jamming

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  • Meng Zhang

    (Chongqing University of Posts and Telecommunications
    Rongzhi College of Chongqing Technology and Business University)

  • Jianhong Zheng

    (Chongqing University of Posts and Telecommunications)

  • Yun He

    (Chongqing University of Posts and Telecommunications)

Abstract

The security rate optimization problem of a multi-antenna decode-and-forward full-duplex relay system powered by simultaneous wireless information and power transfer is studied. A system model and secure transmission scheme based on energy cooperation and cooperative jamming are presented. The full-duplex relay node works in a power splitting mode for energy collection and information decoding. Artificial noise is injected when the relay forwards the information signals for cooperative jamming. As the relay is equipped with multi-antenna, beamforming technology is used to improve the signal-to-noise ratio of the destination node by adjusting the antenna array matrix. To maximize the security rate, and with consideration to energy cooperation and cooperative jamming performance, the optimal values of the energy collection factor and the cooperative jamming power allocation factor are obtained and the calculation process is also given. The simulation results show that the proposed secure transmission scheme can effectively improve the security rate of the system.

Suggested Citation

  • Meng Zhang & Jianhong Zheng & Yun He, 2020. "Secure transmission scheme for SWIPT-powered full-duplex relay system with multi-antenna based on energy cooperation and cooperative jamming," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 74(1), pages 55-66, May.
    • Handle: RePEc:spr:telsys:v:74:y:2020:i:1:d:10.1007_s11235-019-00642-z
    DOI: 10.1007/s11235-019-00642-z
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    References listed on IDEAS

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    1. Dinh-Thuan Do, 2016. "Energy-aware two-way relaying networks under imperfect hardware: optimal throughput design and analysis," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 62(2), pages 449-459, June.
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