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Author

François Chan

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#artificial intelligence Open access Sep 2026

Threat-Aware Energy-Efficient Deployment for Dynamic UAV Networks: A Multi-Agent RL Approach

An efficient framework to maximize global energy efficiency (EE) while promoting safe operation through threat-aware clustering and reward-based safety enforcement and demonstrates effective generalization to unseen user distributions, large UAV fleets, and different threat geometries, while maintaining zero safety vio...

F. Al-Kamali, Hussein A. Ammar, François Chan et al. · 0 citations
Open access 2026

Loss-Aware Wave-Domain Beamforming With Stacked Intelligent Metasurfaces for URLLC Systems

This paper proposes a joint optimization framework for transmit power allocation, user blocklength, and phase shifts across the stacked metasurface layers, with the objective of maximizing the sum rate under the transmit power constraint while accounting for SIM insertion loss.

Zahra Rostamikafaki, François Chan, C. D’amours · 0 citations
Preprint Sep 2026

Enhancing UAV Trajectory and Communications Through Vision-Inertial Tracking

In this paper, we propose an energy-efficient and reliable communication system for non-terrestrial networks deployed in dynamic GPS-denied wireless environments, enabled by a Vision--Inertial Tracking-Assisted UAV Communication (VIT-UAVCom) system. To the best of our knowledge, this is the first work to exploit onboar...

Abdallah S. Ghazy, Hussein A. Ammar, James H. Bayes et al. · 0 citations

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