Journal
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume 69, Issue 1, Pages 1086-1090Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2019.2950463
Keywords
UAV; remote wireless power transfer; resonant beam
Categories
Funding
- National Natural Science Foundation of China [61936014, 61901302]
- National Key Research and Development Project [2017YFE0119300]
- Shandong Provincial Key Laboratory of Wireless Communication Technologies [SDKLWCT-2019-02]
- Fundamental Research Funds for the Central Universities [22120180113]
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Wireless power transfer (WPT) technology represented by the resonant beam charging (RBC) enables convenient charging for unmanned aerial vehicles (UAVs). This letter studies a UAV communication network where a short-endurance UAV is deployed to collect data reliably from a group of buoy sensors far off the coast in a three-dimensional (3D) coordinate system. We jointly optimize the UAV's trajectory and the power of the charging station to maximize the overall power transmission efficiency. To attain this goal, we formulate a mixed-integer non-convex optimization problem and then decouple the problem into three sub-problems, which can be iteratively solved by utilizing the inexact block coordinate descent. Simulation results validate the efficiency of our proposed scheme.
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