北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2020, Vol. 43 ›› Issue (6): 103-109.doi: 10.13190/j.jbupt.2020-108

• 论文 • 上一篇    下一篇

多天线无人机通信系统中的安全波束成形方案

汪萧萧, 淡振雷, 顾晨伟, 朱卫平, 林敏   

  1. 南京邮电大学 通信与信息工程学院, 南京 210003
  • 收稿日期:2020-07-31 出版日期:2020-12-28 发布日期:2020-11-30
  • 通讯作者: 朱卫平(1962-),男,教授,博士生导师,E-mail:zwp@njupt.edu.cn. E-mail:zwp@njupt.edu.cn
  • 作者简介:汪萧萧(1996-),男,硕士生.
  • 基金资助:
    国家自然科学基金项目(61801234);重点国际合作项目(61720106003);江苏省研究生科研与实践创新计划项目(SJCX19_0237)

Secure Beamforming Scheme for Multi-Antenna UAV Communication Systems

WANG Xiao-xiao, DAN Zhen-lei, GU Chen-wei, ZHU Wei-ping, LIN Min   

  1. School of Telecommunication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • Received:2020-07-31 Online:2020-12-28 Published:2020-11-30

摘要: 针对第6代移动通信系统中多天线无人机通信下行链路传输系统,在有多个合法用户和单个窃听者的场景以及已知窃听者统计信道状态信息的情况下,提出了2种安全波束成形方案:一种是基于迫零算法的波束成形方案,在系统传输总功率受限条件下最大化系统可达安全速率,得到了波束成形权矢量和功率分配因子的闭合解;另一种是基于增强信漏噪比算法的波束成形方案,采用一种分式规划和交替方向乘子法(ADMM)相结合的迭代算法,实现波束成形权矢量和功率分配因子的设计.仿真结果表明,相比较于迫零算法,基于ADMM的增强信漏噪比算法能够有效地提升系统的安全性能.

关键词: 第6代移动通信系统, 无人机通信, 统计信道状态信息, 安全波束成形

Abstract: Aming at multiple legitimate users and a single eavesdropper in the downlink transmission system of multi antenna unmanned aerial vehicle(UAV) communication in the sixth generation of mobile communications system network, two secure beamforming schemes are proposed on the basic of the eavesdropper statistics channel state information is known. One is based on the criterion of secure rate maximization of the system under the condition of limited total transmit power. A zero forcing beamforming scheme is proposed, and the closed solutions of the weight vector and power allocation factor of beamforming are obtained. The other is based on the criterion of maximizing the enhanced signal to noise ratio of the system under the condition of limited total transmit power. A fractional programming combined with alternative direction method of multipliers (ADMM) is proposed to realize the design of beamforming weight vector and power allocation factor. The simulation results show that, compared with the zero forcing algorithm, the ADMM algorithm can effectively improve the security performance of the system.

Key words: the sixth generation of mobile communications system, unmanned aerial vehicle communication, statistical channel state information, secure beamforming

中图分类号: