High-performance cost efficient simultaneous wireless information and power transfers deploying jointly modulated amplifying programmable metasurface

Xin Wang, Jia Qi Han, Guan Xuan Li, Xia De Xiao, Ming Yang Chang, Xiang Jin Ma, Hao Xue, Peng Xu, Rui Jie Li, Kun Yi Zhang, Hai Xia Liu, Long Li () and Tie Jun Cui ()
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Xin Wang: Xidian University
Jia Qi Han: Xidian University
Guan Xuan Li: Xidian University
Xia De Xiao: Xidian University
Ming Yang Chang: Xidian University
Xiang Jin Ma: Xidian University
Hao Xue: Xidian University
Peng Xu: Xidian University
Rui Jie Li: Xidian University
Kun Yi Zhang: Xidian University
Hai Xia Liu: Xidian University
Long Li: Xidian University
Tie Jun Cui: Southeast University

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract Programmable metasurfaces present significant capabilities in manipulating electromagnetic waves, making them a promising candidate for simultaneous wireless information and power transfer (SWIPT), which has the potential to enable sustainable wireless communication in complex electromagnetic environments. However, challenges remain in terms of maximum power transmission distance and stable phase manipulation with high-power scattered waves. Additionally, waveform limitations restrict average scattered power and rectifier conversion efficiency, affecting data transmission rates and energy transmission distance. Here we show an amplifying programmable metasurface (APM) and a joint modulation method to address these challenges. The APM mitigates the peak-to-average power ratio and improves maximum power, phase response stability, average output power, and rectifier conversion efficiency. Through experimental validation, we demonstrate the feasibility of the SWIPT system, showcasing simultaneous LED array powering and movie video transmission. This innovative SWIPT system holds promise for diverse applications, including 6 G wireless communications, IoT, implanted devices, and cognitive radio networks.

Date: 2023
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DOI: 10.1038/s41467-023-41763-z

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