Optimal Waveforms for Efficient Wireless Power Transmission

被引：154
|
作者：
Collado, A. [1 ]
Georgiadis, A. [1 ]
机构：
[1] CTTC, Castelldefels 08860, Spain
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2014年 / 24卷 / 05期
关键词：
Energy harvesting; rectifier; rectenna; wireless power transmission; ENERGY;
D O I：
10.1109/LMWC.2014.2309074
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This work shows how using specifically selected or designed waveforms in wireless power transfer (WPT) systems can lead to improved RF to dc conversion efficiency in rectifier circuits in the receiving end of these systems. Signals with different time domain waveforms are considered such as OFDM, white noise and chaotic waveforms, and the performance of a rectifier circuit operating at 433 MHz is evaluated when using these signals in comparison to a single carrier constant envelope signal. The performed experiments show that selecting high peak to average power ratio (PAPR) signals lead to improved RF-DC conversion efficiency in rectifier circuits.
引用
收藏
页码：354 / 356
页数：3
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