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Sep 2026

Secrecy Energy Efficiency Maximization for RIS-Assisted UAV Communications via Joint 3D Trajectory and Passive Beamforming Design

Unmanned aerial vehicle (UAV) communications show great potential in establishing strong line-of-sight (LoS) links for ground users, which also leads to more susceptible terrestrial eavesdropping. Integrating a reconfigurable intelligent surface (RIS) into UAV communications offers a promising approach for secure trans...

Yuan Ren, Xian-Gen Yu, Xue-Wei Zhang et al. · 0 citations
Sep 2026

Self-Attention Enhanced Multi-Agent Reinforcement Learning for UAV Trajectory Design in MEC Networks

Nowadays, Unmanned Aerial Vehicle (UAV)-assisted Mobile Edge Computing (MEC) has been widely recognized as a promising technique for flexibly and effectively handling computation-intensive and delay-sensitive tasks in 5G advanced and 6G networks. This paper investigates the joint optimization of UAV trajectory and comp...

Xue-Wei Zhang, Jian-Tao Li, Yuan Ren et al. · 0 citations
Sep 2026

Dummy-Based Privacy Protection and Content Caching in D2D Assisted Wireless Networks

In this work, we implement privacy-preserving collaborative edge caching in device-to-device (D2D) assisted cellular networks by introducing some users with caching capabilities. To incentivize user participations, we first construct a mathematical incentive model by comprehensively considering file popularity, sharing...

Xue-Wei Zhang, Zhi-Lin Yu, Yuan Ren et al. · 0 citations

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