{"title":"Fast Transmit-Phase Optimization and Tracking to Moving Target in Distributed-Antenna Wireless Energy Transfer","authors":"M. Fujii","doi":"10.1109/ICEET56468.2022.10007401","DOIUrl":null,"url":null,"abstract":"A fast transmit-phase optimization scheme is described for a moving target in wireless energy transfer (WET) with distributed antennas. A transmit-phase inversion technique is sequentially applied to subset antennas used for dedicated energy beamforming (DEB). The received signal phase of each subset transmit antenna is estimated at a receiver and then fed back to a WET transmit-phase control unit. Our simulation results demonstrated that our proposed DEB-WET scheme with frame length of 50 ms was able to track the channel phase variations induced a maximum speed of 2.0 m/s and maintained high wireless power transfer efficiency.","PeriodicalId":241355,"journal":{"name":"2022 International Conference on Engineering and Emerging Technologies (ICEET)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 International Conference on Engineering and Emerging Technologies (ICEET)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICEET56468.2022.10007401","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A fast transmit-phase optimization scheme is described for a moving target in wireless energy transfer (WET) with distributed antennas. A transmit-phase inversion technique is sequentially applied to subset antennas used for dedicated energy beamforming (DEB). The received signal phase of each subset transmit antenna is estimated at a receiver and then fed back to a WET transmit-phase control unit. Our simulation results demonstrated that our proposed DEB-WET scheme with frame length of 50 ms was able to track the channel phase variations induced a maximum speed of 2.0 m/s and maintained high wireless power transfer efficiency.
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