Robust 3D Trajectory Optimization for Secure UAV-Ground Communications

Wenyue Wang, Shangwei Zhang, Jiajia Liu

科研成果: 期刊稿件会议文章同行评审

2 引用 (Scopus)

摘要

The utilization of UAV may suffer severe security problems due to the inherent characteristics of wireless air-to-ground (A2G) channels. To this end, researchers have drawn much attention on utilizing physical layer security (PLS) techniques to maintain secrecy data transmission in UAV enabled networks. Different from previous works, we jointly optimize user scheduling strategy, signal transmission power and 3D flying trajectory of the UAV to maximize the minimum system secrecy rate by considering UAV position and an eavesdropper with partial location information simultaneously. Because the formulated problem is intractable and non-convex, we in this paper develop an iteration approach to solve the problem based on the successive convex approximation (SCA) method. Finally, experimental results are further derived to validate the performance gains of our scheme.

源语言英语
期刊Proceedings - IEEE Global Communications Conference, GLOBECOM
DOI
出版状态已出版 - 2021
活动2021 IEEE Global Communications Conference, GLOBECOM 2021 - Madrid, 西班牙
期限: 7 12月 202111 12月 2021

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