Demo: Demonstration of Reconfigurable Intelligent Surface (RIS)-assisted Simultaneous Wireless Information and Power Transfer (SWIPT)
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Recently, reconfigurable intelligent surface (RIS) rises as one of the potential key technologies for the next generation of wireless communications. RIS consists of a large array of planar elements, each of which can be configured individually to induce additional phase shifts to the impinging signals. Therefore, the wireless propagation can be handled in a smart manner by reconfiguring the RIS. In this article, we demonstrate an RIS-assisted simultaneous wireless information and power transfer (SWIPT) system for the Internet of Things (IoT) devices. The experiment results of the RIS-assisted SWIPT system show promising gains in the wireless transmission quality over the SWIPT system without RIS deployment.
[1] Dong In Kim,et al. Reconfigurable-Intelligent-Surface-Aided Wireless Power Transfer Systems: Analysis and Implementation , 2021, IEEE Internet of Things Journal.
[2] Dong In Kim,et al. Toward Realization of Long-Range Wireless-Powered Sensor Networks , 2019, IEEE Wireless Communications.