Analysis and Measurement of Large Circular Transmitting Arrays for Microwave Power Transmission

Zhang, Shuo; Lou, Shunxi; Wang, Wei; Wang, Xin; Zeng, Yuanchen; Gao, Xiang

doi:10.1109/tap.2022.3225596

Cited by 5 publications

(3 citation statements)

References 25 publications

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“…In the future, radiative WPT will offer significant conveniences, such as contactless and batteryfree operation, greening of energy based on the solar power satellite station (SPSS) 20,54,55 , and remote energy supply. However, it currently faces a deficiency of low efficiency, which is a challenge that requires to be overcome for all researchers.…”

Section: Discussionmentioning

confidence: 99%

“…To realize the point-topoint directional WPT, the phased array system has obtained widespread attentions [16][17][18][19] , due to its flexible beamforming capability. Further, the rapid analysis method of WPT has been proposed for large transmitting array 20,21 , and the evaluations were presented for the simultaneous wireless information and power transfer (SWIPT) 19,22 . However, the phased array requires complex feeding networks (e.g., phase shifters and power amplifiers), making them costly and bulky to widely apply.…”

Section: Introductionmentioning

confidence: 99%

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Adaptive wireless-powered network based on CNN near-field positioning by a full-duplex metasurface

Cui,

Xia,

Han

et al. 2024

Preprint

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With the revolution in technology and industry, the connectivity of electronic devices has gradually shifted from wired to wireless after long-time exploration. As a solution for power delivery, the non-contact power transfer holds promise charging for moving devices such as sensors, microcomputers, and robots, enabling battery-free sensing, processing, and communication. To reach the goal, we propose the adaptive wireless-powered network (AWPN) based on a full-duplex metasurface to realize a non-contact power supply for target tracking and wireless communications. The fabricated battery-free AWPN can obtain stable powers to perceive and compute the environmental data, which are then informed to the users by wireless communications. In particular, the proposed AWPN is good for moving devices, in which near-field positioning is achieved by the programmable metasurface combined with a convolutional neural network. AWPN can get more than 92% classification accuracy to provide precise positions of the moving targets for beam tracking. Thus, being adaptive and contactless, this AWPN will further propel the advancement of fields such as the Internet of Things (IoT), intelligent metasurface, and the robot industry.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Adaptive wireless-powered network based on CNN near-field positioning by a full-duplex metasurface

Cui,

Xia,

Han

et al. 2024

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…Unlike the AEP, the AENF is defined as the radiation near fields on a closed sampling surface which only surrounds the analyzed element. The AENFs can be obtained by some solutions, such as the subarray extrapolation strategy [27] and the MC compensation matrix (MCCM) technique [28], [29], [30], [31], [32]. Besides, all elements are in the unique array environment which contains the edge effects.…”

Section: Applicability Extension Of the Principle Of Pattern Multipli...mentioning

confidence: 99%

Applicability Extension and Calculation Acceleration of Pattern-Multiplication Principle in Far-Field Analysis of Conformal Arrays

Zhao,

Cheng,

Liao

et al. 2023

Preprint

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<p>This paper proposes a near-field Euler rotation-based technique to transform the far-field calculation of arbitrary conformal arrays into the pattern-multiplication form. Additionally, the calculation is greatly accelerated by a three-dimensional virtual equivalent source expansion (3-D VESE) technique and a layer-wise two-dimensional fast Fourier transform (2-D FFT) technique. Computational complexity analysis and several numerical examples validate the advantages of the proposed solution in terms of the efficiency and accuracy.</p>

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Adaptive wireless-powered network based on CNN near-field positioning by a dual-band metasurface

Xia,

Han,

et al. 2024

Nat Commun

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Analysis and Measurement of Large Circular Transmitting Arrays for Microwave Power Transmission

Cited by 5 publications

References 25 publications

Adaptive wireless-powered network based on CNN near-field positioning by a full-duplex metasurface

Adaptive wireless-powered network based on CNN near-field positioning by a full-duplex metasurface

Applicability Extension and Calculation Acceleration of Pattern-Multiplication Principle in Far-Field Analysis of Conformal Arrays

Adaptive wireless-powered network based on CNN near-field positioning by a dual-band metasurface

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