A Novel Rectenna Array with RBR for Long-Distance WLAN Energy Harvesting System

Shiquan Fan, Wei Gou, Yang Zhao, Chaoyun Song, Yi Huang, Jiafeng Zhou, Li Geng

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a radio frequency (RF) energy harvester by using a rectenna array and rectifier-booster regulators (RBR) is presented. The design focuses on long distance RF energy harvesting. The proposed RBR, which evolves from a Greinacher rectifier and a Dickson charge pump, is implemented to improve the output voltage level of each rectenna. Eachrectenna element is cascaded to an RBR to rectify AC power into to DC and boost the output voltage. The array elements are connected in series to further improve the output voltage. Measurement results indicate that the proposed RF energy harvester can provide over1 V output voltage within a distance of 1 m from a transmit antenna with 20 dBm transmitting power. The harvested energy by the proposed harvester from a WiFi router can be utilized to power internet of thing (IoT) sensor nodes directly. The design has demonstrated the practicability of the proposed harvester in real applications.
Original languageEnglish
Title of host publication2018 IEEE Wireless Power Transfer Conference (WPTC)
PublisherIEEE
ISBN (Electronic)9781538651599
DOIs
Publication statusPublished - 14 Feb 2019
Event2018 IEEE Wireless Power Transfer Conference - Montreal, Canada
Duration: 3 Jun 20187 Jun 2018

Conference

Conference2018 IEEE Wireless Power Transfer Conference
CountryCanada
CityMontreal
Period3/06/187/06/18

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