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Rectennas for radio-frequency energy harvesting and wireless power transfer: A review of antenna design [Antenna applications corner]

Rectennas for radio-frequency energy harvesting and wireless power transfer: A review of antenna design [Antenna applications corner]
Rectennas for radio-frequency energy harvesting and wireless power transfer: A review of antenna design [Antenna applications corner]

Radio-frequency (RF) energy harvesting (RFEH) and radiative wireless power transfer (WPT) have attracted significant interest as methods of enabling battery-free sustainable wireless networks. Rectifying antennas (rectennas) are the cornerstone of WPT and RFEH systems and critically affect the amount of dc power delivered to the load. The antenna element of the rectenna directly impacts the radiation-to-ac harvesting efficiency, which can vary the harvested power by orders of magnitude. In this article, antenna designs employed in WPT and ambient RFEH applications are reviewed. Reported rectennas are categorized based on two main criteria: the antenna-rectifier impedance bandwidth and the antenna's radiation properties. For each criterion, the figure of merit (FoM) is identified for different applications and reviewed comparatively.

antennas, rectennas, energy harvesting, internet of things, wireless power transfer, rectifiers, rf energy harvesting, antenna rectifier co-design, impedance matching, broadband antennas, radio frequency, ambient rf energy harvesting
95-107
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Weddell, Alex S.
3d8c4d63-19b1-4072-a779-84d487fd6f03
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Weddell, Alex S.
3d8c4d63-19b1-4072-a779-84d487fd6f03
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d

Wagih, Mahmoud, Weddell, Alex S. and Beeby, Steve (2020) Rectennas for radio-frequency energy harvesting and wireless power transfer: A review of antenna design [Antenna applications corner]. IEEE Antennas and Propagation Magazine, 62 (5), 95-107, [9214948]. (doi:10.1109/MAP.2020.3012872).

Record type: Article

Abstract

Radio-frequency (RF) energy harvesting (RFEH) and radiative wireless power transfer (WPT) have attracted significant interest as methods of enabling battery-free sustainable wireless networks. Rectifying antennas (rectennas) are the cornerstone of WPT and RFEH systems and critically affect the amount of dc power delivered to the load. The antenna element of the rectenna directly impacts the radiation-to-ac harvesting efficiency, which can vary the harvested power by orders of magnitude. In this article, antenna designs employed in WPT and ambient RFEH applications are reviewed. Reported rectennas are categorized based on two main criteria: the antenna-rectifier impedance bandwidth and the antenna's radiation properties. For each criterion, the figure of merit (FoM) is identified for different applications and reviewed comparatively.

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Rectennas for RF Energy Harvesting and Wireless Power Transfer: a Review of Antenna Design - Accepted Manuscript
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Accepted/In Press date: 13 November 2019
Published date: 6 October 2020
Keywords: antennas, rectennas, energy harvesting, internet of things, wireless power transfer, rectifiers, rf energy harvesting, antenna rectifier co-design, impedance matching, broadband antennas, radio frequency, ambient rf energy harvesting

Identifiers

Local EPrints ID: 435895
URI: http://eprints.soton.ac.uk/id/eprint/435895
PURE UUID: bbddb3ec-a4b0-4a5a-a691-b25c89c766a2
ORCID for Alex S. Weddell: ORCID iD orcid.org/0000-0002-6763-5460
ORCID for Steve Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 22 Nov 2019 17:30
Last modified: 13 Apr 2021 01:41

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Contributors

Author: Mahmoud Wagih
Author: Alex S. Weddell ORCID iD
Author: Steve Beeby ORCID iD

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