Current Research and Development of Wireless Power Transfer via Radio Waves and the Application

Author(s): Naoki Shinohara
SourceFERMAT, Volume 29, Communication 9, Sep.-Oct., 2018


Abstract Theory, technologies, applications, and current R&D status of the wireless power transfer (WPT) will be presented. The talk will cover both the far-field WPT via radio waves, especially beamtype and ubiquitoustype WPT, and energy harvesting from broadcasting waves. The research of the WPT was started from the far-field WPT via radio waves, in particular the microwaves in 1960s. In recent years this became a hot topic again due to the rapid growth of wireless devices. Theory and technologies of antenna and circuits will be presented in case of beamtype and ubiquitous-type WPT. The industrial applications and current R&D status of the WPT via radio waves will be also presented. 

Index Terms: Wireless Power Transfer, Microwave Power Transmission, Energy Harvesting, Rectenna, Phased Array



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Current Research and Development of Wireless Power Transfer via Radio Waves and the Application









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