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Outage Constraint Robust Cooperative Beamforming and Jamming Design for Secure AF Relay Networks

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  • Jinxin Zhu
  • Jun Shao

Abstract

This paper investigates a joint robust scheme in a secrecy relay network where distributed relays perform cooperative beamforming and a friendly jammer transmits jamming signal to enhance the information security. Specifically, we consider the outage constraint secrecy rate maximization design with imperfect channel state information. Through semidefinite relaxation and one-dimensional search, we propose a two-layer optimization method to solve the nonconvex problem. In addition, the Bernstein-type inequality and large deviation inequality are utilized to convert the probabilistic constraint. Simulation results demonstrate the performance of the proposed design.

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  • Jinxin Zhu & Jun Shao, 2021. "Outage Constraint Robust Cooperative Beamforming and Jamming Design for Secure AF Relay Networks," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-7, November.
    • Handle: RePEc:hin:jnlmpe:5919617
    DOI: 10.1155/2021/5919617
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