Multi-Hop RF Wireless Power Transfer for Autonomous Wireless Sensor Network

2022 Workshop on Microwave Theory and Techniques in Wireless Communications (MTTW) Pub Date : 2022-10-05 DOI:10.1109/MTTW56973.2022.9942525

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

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引用次数: 3

Abstract

This paper is devoted to studying multi-hop wireless power transfer (WPT), which is especially applicable in autonomous wireless sensor networks. The main objective of the current work is to investigate the possibility of increasing the efficiency of WPT using a multi-hop transmission approach. The study describes the main limitations of the multi-hop RF energy transmission, analyses the possible technical solution of a multi-hop sensor node, and evaluates the performance of multi-hop WPT compared to the classical technique. The research combines RF signal transmission simulations and experimental studies. Multi-hop WPT analysis is made for the sub-GHz frequency band and two wireless nodes. Friis approximation of point-to-point signal propagation is used for simulating the multi-hop energy transmission in free space, while the method of Shooting and Bouncing Ray is used for multichannel propagation simulation. Current work expands the WPT applications by providing an approach to increase the distance of RF energy transmission for the wireless sensor nodes in the areas with lower coverage.

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自主无线传感器网络的多跳射频无线能量传输

本文主要研究多跳无线能量传输(WPT)技术，该技术特别适用于自主无线传感器网络。当前工作的主要目的是研究使用多跳传输方法提高WPT效率的可能性。研究了多跳射频能量传输的主要局限性，分析了多跳传感器节点的可能技术解决方案，并与经典技术进行了比较，评价了多跳WPT的性能。本研究将射频信号传输仿真与实验研究相结合。对sub-GHz频段和两个无线节点进行了多跳WPT分析。采用点对点信号传播的弗里斯近似法模拟自由空间中的多跳能量传输，采用射跳射线法模拟多通道能量传输。目前的工作通过提供一种方法来增加低覆盖区域无线传感器节点的射频能量传输距离，扩展了WPT的应用。

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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2022 Workshop on Microwave Theory and Techniques in Wireless Communications (MTTW)

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