Electronics, Volume 15, Issue 1
2026 January-1 - 248 articles
Cover Story: This paper proposes a predictive-reactive Q-learning framework (PRQF) to enhance handover management for cellular-connected UAVs in dense urban environments. The framework combines an XGBoost-based classifier for handover probability prediction with a Q-learning agent that adaptively selects actions via a probabilistic gating mechanism. The approach is evaluated using realistic 3GPP Urban Macro channel models and sinusoidal UAV trajectories in a heterogeneous LTE/5G network. Simulation results show that PRQF significantly reduces unnecessary handovers while maintaining high throughput, achieving handover reductions of 84% at 100 km/h and 83% at 120 km/h compared to the standard 3GPP A3 method, with consistently superior average throughput across scenarios. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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