Antennas Unmanned aerial vehicles (UAV) 11 Aerial vehicle 5 Mobile telecommunication systems 4 Energy transfer 3 Energy utilization 3 Optimisations 3 Quality of service 3 Radiofrequencies 3 UAV 3 Unmanned aerial vehicle 3 Wireless communication 3 Wireless communications 3 Array signal processing 2 Artificial intelligence 2 Autonomous aerial vehicles 2 Beam forming networks 2 Beamforming 2 Charging (batteries) 2 Deep learning 2 Energy 2 Genetic algorithms 2 Hybrid beamforming 2 IEEE Standards 2 Inductive power transmission 2 K-means clustering 2 Millimeter waves 2 Optimization 2 Power 2 Power transfers 2