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    Energy-Efficient Trajectory Optimization for UAV-Assisted IoT Networks

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    UAV_harvested.pdf
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    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Zhang, Liang cc
    Celik, Abdulkadir cc
    Dang, Shuping
    Shihada, Basem cc
    KAUST Department
    Computer Science Program
    Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division
    Electrical and Computer Engineering
    Electrical and Computer Engineering Program
    Networks Laboratory (NetLab)
    Date
    2021
    Permanent link to this record
    http://hdl.handle.net/10754/668940
    
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    Abstract
    In this paper, we propose and study an energy-efficient trajectory optimization scheme for unmanned aerial vehicle (UAV) assisted Internet of Things (IoT) networks. In such networks, a single UAV is powered by both solar energy and charging stations (CSs), resulting in sustainable communication services, while avoiding energy outage. In particular, we optimize the trajectory design of UAV by jointly considering the average data rate, the total energy consumption, and the fairness of coverage for the IoT terminals. A dynamic spatial-temporal configuration scheme is operated for terminals working in the discontinuous reception (DRX) mode. The module-free, action-confined on-policy and off-policy reinforcement learning approaches are proposed and jointly applied to solve the formulated optimization problem in this paper. We evaluate the effectiveness of the proposed strategy by comparing it with other dynamic benchmark algorithms. The extensive simulation results provided in this paper reveal that the proposed scheme outperforms the benchmarks in terms of data transmission, energy efficiency and adaptivity of avoiding battery depletion. By deploying the proposed trajectory scheme, the UAV is able to adapt itself according to the temporal and dynamic conditions of communication networks.
    Citation
    Zhang, L., Celik, A., Dang, S., & Shihada, B. (2021). Energy-Efficient Trajectory Optimization for UAV-Assisted IoT Networks. IEEE Transactions on Mobile Computing, 1–1. doi:10.1109/tmc.2021.3075083
    Publisher
    IEEE
    Journal
    IEEE Transactions on Mobile Computing
    DOI
    10.1109/TMC.2021.3075083
    Additional Links
    https://ieeexplore.ieee.org/document/9411725/
    https://ieeexplore.ieee.org/document/9411725/
    https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9411725
    ae974a485f413a2113503eed53cd6c53
    10.1109/TMC.2021.3075083
    Scopus Count
    Collections
    Articles; Computer Science Program; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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