Joint Trajectory and Communication Design for Secure UAV Networks

被引：81

作者：

Li, Zhiyang ^{[1
]}

Chen, Ming ^{[1
]}

Pan, Cunhua ^{[2
]}

Huang, Nuo ^{[1
]}

Yang, Zhaohui ^{[3
]}

Nallanathan, Arumugam ^{[2
]}

机构：

[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China

[2] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London E1 4NS, England

[3] Kings Coll London, Ctr Telecommun Res, London WC2B 4BG, England

来源：

IEEE COMMUNICATIONS LETTERS | 2019年 / 23卷 / 04期

基金：

中国国家自然科学基金; 英国工程与自然科学研究理事会;

关键词：

UAV communications; joint optimization; trajectory design; physical-layer security;

D O I：

10.1109/LCOMM.2019.2898404

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This letter investigates a joint optimization problem of unmanned aerial vehicle (UAV) flight trajectory, downlink transmission power, and ground terminals (GTs) association under wiretap channels. Specifically, we consider a scenario where a UAV serves a group of GTs and maximizes the minimum secrecy rate to ensure the fairness among GTs. To solve the non-convex optimization problem, we develop an iterative algorithm based on the successive convex approximation and alternating methods. The simulation results demonstrate that the proposed algorithm is effective and can significantly improve the minimum secrecy rate compared with the traditional flight scheme.

引用

页码：636 / 639

页数：4

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