使用具有高PAPR电平的信号进行高效的无线电力传输

2018 IEEE 6th Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE) Pub Date : 2018-11-01 DOI:10.1109/AIEEE.2018.8592043

A. Litvinenko, Jānis Eidaks, A. Aboltins

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引用次数: 12

摘要

目前的研究致力于利用具有高峰值平均功率比(PAPR)的波形进行无线功率传输和rf - dc转换效率的实验研究。本研究选择了三种设备:一种经典的倍压电路，有和没有匹配网络，以及一种市售的能量收集装置- Powercast P2110B。使用软件定义无线电(SDR)生成sub-GHz信号，可以实现高精度和波形定制。RF-to-DC转换效率的分析是基于实验室条件下输入平均功率和直流电压的测量结果。研究了PAPR电平和输入平均功率电平对rf - dc转换效率的影响。此外，将高PAPR信号的rf - dc转换结果与使用低PAPR单载波波形的情况进行了比较。

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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Usage of Signals with a High PAPR Level for Efficient Wireless Power Transfer

The current research is dedicated to the experimental study of wireless power transfer and RF-to-DC conversion efficiency using waveforms with a high Peak-to-Average Power Ratio (PAPR). Three devices: a classical voltage doubler circuits with and without matching network and a commercially available energy harvesting device – Powercast P2110B are selected for the study. The use of a software-defined radio (SDR) for generation of sub-GHz signals allows to achieve high accuracy and customization of waveforms. The analysis of RF-to-DC conversion efficiency is based on the results of measurements of the input average power and DC voltage in laboratory conditions. The impact of the PAPR level and input average power level on the RF-to-DC conversion efficiency is investigated. Moreover, the results of RF-to-DC conversion for high PAPR signals are compared to the case when a low PAPR single-carrier waveform is used.

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2018 IEEE 6th Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE)

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