Energy efficient UAV positioning for throughput optimization*

In the digital era where network connectivity has emerged as indispensable for the users, non-terrestrial networks (NTNs) have gained significant traction. The NTN technology provides coverage to areas where base stations find difficulty in reaching. Using drones/unmanned aerial vehicles (UAVs) has introduced the notion of flying BSs. In this paper, an efficient placement of UAVs is proposed, with focus on energy efficiency. The proposed scheme focuses on maximizing coverage with throughput maximization and latency reduction, while optimizing the UAV height (or vertical positioning) and energy. The optimization function is formulated to optimize the latency as well as the power levels, as a linear combination of weights. The results depict the efficacy of the proposed scheme.