Abstract
The intelligent collaboration of Unmanned Aerial Vehicles (UAV) and Wireless Sensor Networks (WSN) can bring about increased data collection efficiency and overall network performance in numerous applications. Despite the success of different studies, UAV-WSN collaboration still faces many open challenges including trajectory planning, data collection and obstacle avoidance strategies. In this paper, we propose an Enhanced Evolutionary Scheme for Obstacle-Aware Data Gathering in UAV-assisted WSNs (OaD-UAV). Different from the existing studies, we include different factors that influence the energy efficiency and delay in WSN data gathering to define an efficient UAV trajectory. We examine the UAV path feasibility and introduce different evolutionary operations to derive efficient path that considers both the path length and UAV angle changes in an obstacle-present environment. An improved heuristic evolutionary approach based on genetic algorithm is designed to determine the best trajectory for the UAV to hover and collect data from the selected rendezvous points. The results reveal the effectiveness of the OaD-UAV scheme against the other related approaches in terms of path cost and data collection efficiency, energy consumption and network lifetime.
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Raj, P.V.P., Khedr, A.M. & Aghbari, Z.A. An Enhanced Evolutionary Scheme for Obstacle-Aware Data Gathering in UAV-assisted WSNs. J Ambient Intell Human Comput 14, 16299–16311 (2023). https://doi.org/10.1007/s12652-022-03851-8
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DOI: https://doi.org/10.1007/s12652-022-03851-8