Experimental Study on Multi-Hop Wireless Power Transfer

2023 IEEE 10th Jubilee Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE) Pub Date : 2023-04-27 DOI:10.1109/AIEEE58915.2023.10134920

Jānis Eidaks, Romāns Kušņins, Deniss Kolosovs, Ruslans Babajans, Darja Cirjulina, Pavels Krukovskis, A. Litvinenko

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Abstract

This research is devoted to an experimental study on radiofrequency (RF) wireless power transfer (WPT) employing multi-hop technology. A special multi-hop node (MHN) that uses GHz radio waves has been developed for the study. The multi-hop node design is based on Yagi-Uda antennas, a voltage doubler-based RF-DC converter, a two-stage amplifier and a capacitor for energy storage. The experimental study is performed in laboratory conditions emulating a real-life environment with line-of-sight propagation with 27 dBm transmitted power and a 3.8-6.5 m distance range. The experimental setup comprises a transmitter, a multi-hop node, an edge node equipped with a voltage-doubler-based RF-DC converter, as well as measurement equipment. The wireless power transfer efficiency measurements for direct (without the multi-hop node) power transfer scenarios are also performed to evaluate the efficiency of the multi-hop-based WPT. The edge node received averaged power in both cases and RF-DC converted voltage is measured and analyzed.

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多跳无线能量传输的实验研究

本研究针对多跳无线电力传输技术进行了实验研究。为此研究人员开发了一种特殊的多跳节点(MHN)，该节点使用GHz无线电波。多跳节点设计基于Yagi-Uda天线，基于电压加倍器的RF-DC转换器，两级放大器和用于储能的电容器。实验研究在模拟现实环境的实验室条件下进行，发射功率为27dbm，距离范围为3.8-6.5 m。实验装置包括一个发射机、一个多跳节点、一个配备了基于电压加倍器的RF-DC转换器的边缘节点，以及测量设备。对直接(无多跳节点)功率传输场景的无线功率传输效率进行了测量，以评估基于多跳的WPT的效率。对两种情况下边缘节点接收到的平均功率和RF-DC转换电压进行了测量和分析。

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

2023 IEEE 10th Jubilee Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE)

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