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 UAV Trajectory and Beamwidth Optimization for Energizing IoT Devices via Wireless Power Transfer 


Vol. 47,  No. 5, pp. 760-769, May  2022
10.7840/kics.2022.47.5.760


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  Abstract

In this paper, we consider a scenario in which a lot of Internet-of-Things (IoT) devices are deployed within multiple mission areas and require energy for performing their own missions. In this scenario, we aim at developing an algorithm that dispatches an unmanned aerial vehicle (UAV) to supply the required energy to the IoT devices through the wireless power transfer (WPT) technology. We consider the stochastic line-of-sight (LoS)-based air-to-ground (A2G) wireless channel model, and focus on optimizing the beamwidth and the trajectory of the UAV so that the total time taken to energize all IoT devices is minimized. To this end, we first find the optimal energy transferring location for the UAV to supply energy to the IoT devices in each mission area, and then propose a dynamic programming (DP)-based algorithm that finds the optimal UAV trajectory for given the optimal energy transferring locations of all the mission areas.

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  Cite this article

[IEEE Style]

J. Shin, D. Kim, J. Lee, "UAV Trajectory and Beamwidth Optimization for Energizing IoT Devices via Wireless Power Transfer," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 5, pp. 760-769, 2022. DOI: 10.7840/kics.2022.47.5.760.

[ACM Style]

Jongmin Shin, Do-Yup Kim, and Jang-Won Lee. 2022. UAV Trajectory and Beamwidth Optimization for Energizing IoT Devices via Wireless Power Transfer. The Journal of Korean Institute of Communications and Information Sciences, 47, 5, (2022), 760-769. DOI: 10.7840/kics.2022.47.5.760.

[KICS Style]

Jongmin Shin, Do-Yup Kim, Jang-Won Lee, "UAV Trajectory and Beamwidth Optimization for Energizing IoT Devices via Wireless Power Transfer," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 5, pp. 760-769, 5. 2022. (https://doi.org/10.7840/kics.2022.47.5.760)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880