Relay Beamforming Design for Physical Layer Secure Communication via Line Search Algorithm

作     者：Siqi Chen Cong Sun Siqi Chen;Cong Sun

作者机构：School of ScinceBeijing University of Posts and TelecommunicationsBeijing 100876China 

出 版 物：《China Communications》 (中国通信（英文版）)

年 卷 期：2021年第18卷第12期

页      面：270-284页

核心收录：

学科分类：11[军事学] 1105[军事学-军队指挥学] 0839[工学-网络空间安全] 08[工学] 110505[军事学-密码学] 110503[军事学-军事通信学] 

基　　金：National Natural Sci-ence Foundation of China(Grant No.11771056 and 11871115) the Young Elite Scientists Sponsor-ship Program by CAST(Grant No.2017QNRC001) 

主　　题：wireless communication physical layer security line search robust optimization 

摘      要：This paper considers a physical layer se-curity model in wireless *** legit-imate users communicate through several relays with the presence of an *** jointly design the relay beamforming weights and minimize the to-tal relay transmit power,while ensuring users’Qual-ity of Services and preventing the information being eavesdropped at the same *** problem is a robust optimization problem,because of the imper-fect channel state information from users and relays to the *** the original problem is sim-plified,where the high order robust terms are *** we design an iterative algorithm based on line search,by solving two Quadratically Con-strained Quadratic Programming subproblems and a one-dimensional *** results indi-cate that the proposed algorithm outperforms the state of the arts.