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

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Název: High-performance cost efficient simultaneous wireless information and power transfers deploying jointly modulated amplifying programmable metasurface.
Autoři: Wang, Xin, Han, Jia Qi, Li, Guan Xuan, Xia, De Xiao, Chang, Ming Yang, Ma, Xiang Jin, Xue, Hao, Xu, Peng, Li, Rui Jie, Zhang, Kun Yi, Liu, Hai Xia, Li, Long, Cui, Tie Jun
Zdroj: Nature Communications; 9/26/2023, Vol. 14 Issue 1, p1-10, 10p
Témata: WIRELESS power transmission, DATA transmission systems, WIRELESS communications, COGNITIVE radio, POWER transmission, ELECTROMAGNETIC waves, LED displays, RADIO networks
Abstrakt: 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. In this work, the authors demonstrate a 'jointly modulated' amplifying programmable metasurface (APM) for simultaneous wireless information and power transmission (SWIPT). Their technique outperforms existing methods, significantly improving power transmission and adaptability for conveying energy and data across various domains, including wireless implants, 6 G networks, and IoT systems. [ABSTRACT FROM AUTHOR]
Copyright of Nature Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: High-performance cost efficient simultaneous wireless information and power transfers deploying jointly modulated amplifying programmable metasurface.
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  Data: Nature Communications; 9/26/2023, Vol. 14 Issue 1, p1-10, 10p
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  Data: <searchLink fieldCode="DE" term="%22WIRELESS+power+transmission%22">WIRELESS power transmission</searchLink><br /><searchLink fieldCode="DE" term="%22DATA+transmission+systems%22">DATA transmission systems</searchLink><br /><searchLink fieldCode="DE" term="%22WIRELESS+communications%22">WIRELESS communications</searchLink><br /><searchLink fieldCode="DE" term="%22COGNITIVE+radio%22">COGNITIVE radio</searchLink><br /><searchLink fieldCode="DE" term="%22POWER+transmission%22">POWER transmission</searchLink><br /><searchLink fieldCode="DE" term="%22ELECTROMAGNETIC+waves%22">ELECTROMAGNETIC waves</searchLink><br /><searchLink fieldCode="DE" term="%22LED+displays%22">LED displays</searchLink><br /><searchLink fieldCode="DE" term="%22RADIO+networks%22">RADIO networks</searchLink>
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  Data: 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. In this work, the authors demonstrate a 'jointly modulated' amplifying programmable metasurface (APM) for simultaneous wireless information and power transmission (SWIPT). Their technique outperforms existing methods, significantly improving power transmission and adaptability for conveying energy and data across various domains, including wireless implants, 6 G networks, and IoT systems. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Nature Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1038/s41467-023-41763-z
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