Deep Graph Reinforcement Learning for UAV-Enabled Multi-User Secure Communications

Fuente: arXiv
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Autori principali: Tang, Xiao, Zhao, Kexin, Shen, Chao, Du, Qinghe, Wang, Yichen, Niyato, Dusit, Han, Zhu
Natura: Preprint
Pubblicazione: 2025
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author Tang, Xiao
Zhao, Kexin
Shen, Chao
Du, Qinghe
Wang, Yichen
Niyato, Dusit
Han, Zhu
author_facet Tang, Xiao
Zhao, Kexin
Shen, Chao
Du, Qinghe
Wang, Yichen
Niyato, Dusit
Han, Zhu
contents While unmanned aerial vehicles (UAVs) with flexible mobility are envisioned to enhance physical layer security in wireless communications, the efficient security design that adapts to such high network dynamics is rather challenging. The conventional approaches extended from optimization perspectives are usually quite involved, especially when jointly considering factors in different scales such as deployment and transmission in UAV-related scenarios. In this paper, we address the UAV-enabled multi-user secure communications by proposing a deep graph reinforcement learning framework. Specifically, we reinterpret the security beamforming as a graph neural network (GNN) learning task, where mutual interference among users is managed through the message-passing mechanism. Then, the UAV deployment is obtained through soft actor-critic reinforcement learning, where the GNN-based security beamforming is exploited to guide the deployment strategy update. Simulation results demonstrate that the proposed approach achieves near-optimal security performance and significantly enhances the efficiency of strategy determination. Moreover, the deep graph reinforcement learning framework offers a scalable solution, adaptable to various network scenarios and configurations, establishing a robust basis for information security in UAV-enabled communications.
format Preprint
id arxiv_https___arxiv_org_abs_2504_01446
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Deep Graph Reinforcement Learning for UAV-Enabled Multi-User Secure Communications
Tang, Xiao
Zhao, Kexin
Shen, Chao
Du, Qinghe
Wang, Yichen
Niyato, Dusit
Han, Zhu
Signal Processing
Information Theory
While unmanned aerial vehicles (UAVs) with flexible mobility are envisioned to enhance physical layer security in wireless communications, the efficient security design that adapts to such high network dynamics is rather challenging. The conventional approaches extended from optimization perspectives are usually quite involved, especially when jointly considering factors in different scales such as deployment and transmission in UAV-related scenarios. In this paper, we address the UAV-enabled multi-user secure communications by proposing a deep graph reinforcement learning framework. Specifically, we reinterpret the security beamforming as a graph neural network (GNN) learning task, where mutual interference among users is managed through the message-passing mechanism. Then, the UAV deployment is obtained through soft actor-critic reinforcement learning, where the GNN-based security beamforming is exploited to guide the deployment strategy update. Simulation results demonstrate that the proposed approach achieves near-optimal security performance and significantly enhances the efficiency of strategy determination. Moreover, the deep graph reinforcement learning framework offers a scalable solution, adaptable to various network scenarios and configurations, establishing a robust basis for information security in UAV-enabled communications.
title Deep Graph Reinforcement Learning for UAV-Enabled Multi-User Secure Communications
topic Signal Processing
Information Theory
url https://arxiv.org/abs/2504.01446