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A flexible 2.45 GHz rectenna using electrically small loop antenna

Aljaloud, K; Tong, KF; (2018) A flexible 2.45 GHz rectenna using electrically small loop antenna. In: 12th European Conference on Antennas and Propagation (EuCAP 2018). IEEE Green open access

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Abstract

We present the concept and design of a compact flexible electromagnetic energy-harvesting system using electrically small loop antenna. In order to make the integration of the system with other devices simpler, it is designed as an integrated system in such a way that the collector element and the rectifier circuit are mounted on the same side of the substrate. The rectenna is designed and fabricated on flexible substrate, and its performance is verified through measurement for both flat and curved configurations. The DC output power and the efficiency are investigated with respect to power density and frequency. It is observed through measurements that the proposed system can achieve 72% conversion efficiency for low input power level, −11 dBm (corresponding power density 0.2 W/m 2 ), while at the same time occupying a smaller footprint area compared to the existing work.

Type: Proceedings paper
Title: A flexible 2.45 GHz rectenna using electrically small loop antenna
Event: 12th European Conference on Antennas and Propagation (EuCAP 2018), 9-13 April 2018, London, UK
ISBN-13: 978-1-78561-816-1
Open access status: An open access version is available from UCL Discovery
DOI: 10.1049/cp.2018.1124
Publisher version: https://ieeexplore.ieee.org/document/8568802
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: flexible rectenna , energy harvesting , wireless power transmission
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/10064080
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