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

Jinxin Zhu and Jun Shao

Mathematical Problems in Engineering, 2021, vol. 2021, 1-7

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.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:5919617

DOI: 10.1155/2021/5919617

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