A Novel Architecture of Retro-Reflective Beamforming for Wireless Power Transmission With a 2-D Transmitting Antenna Array Controlled by 1-D Receiving Antenna Arrays

IF 4.6 1区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Antennas and Propagation Pub Date : 2024-12-26 DOI:10.1109/TAP.2024.3520352

Xin Wang;Huaiqing Zhang;Mingyu Lu

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引用次数: 0

Abstract

A novel architecture of retro-reflective beamforming is proposed for wireless power transmission applications. In contrast to a conventional retro-reflective beamformer with a 2-D transmitting antenna array controlled by a 2-D receiving antenna array, the novel retro-reflective beamformer includes a 2-D transmitting antenna array controlled by multiple 1-D receiving antenna arrays. Compared with the conventional architecture of retro-reflective beamforming, the architecture proposed in this communication has better flexibility and lower complexity. Numerical results indicate that the wireless power transmission efficiency of the novel architecture has little difference from that of the conventional architecture when the location of a wireless power receiver with a clear line-of-sight path is not far off the broadside direction of the retro-reflective beamformer. Some preliminary experiments are conducted in an anechoic chamber as well as an indoor environment to verify the numerical studies. The experimental data are in agreement with the numerical results.

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针对无线电力传输应用提出了一种新型逆反射波束成形结构。传统的逆反射波束成形器由一个二维发射天线阵列控制一个二维接收天线阵列，而新型逆反射波束成形器包括一个二维发射天线阵列，由多个一维接收天线阵列控制。与传统的逆反射波束成形结构相比，本文提出的结构具有更好的灵活性和更低的复杂性。数值结果表明，当具有清晰视线路径的无线功率接收器的位置与后向反射波束成形器的宽边方向相距不远时，新型结构的无线功率传输效率与传统结构的差异不大。为了验证数值研究结果，我们在电波暗室和室内环境中进行了一些初步实验。实验数据与数值结果一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Antennas and Propagation 工程技术-电信学

CiteScore

10.40

自引率

28.10%

发文量

968

审稿时长

4.7 months

期刊介绍： IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques