The University of Southampton
University of Southampton Institutional Repository

2.4 GHz wearable textile antenna/rectenna for simultaneous information and power transfer

2.4 GHz wearable textile antenna/rectenna for simultaneous information and power transfer
2.4 GHz wearable textile antenna/rectenna for simultaneous information and power transfer

Antennas and rectennas for self-powered body area networks (BANs) have attracted significant interest, in an effort to improve the sustainability of e-textiles. This paper presents a novel dual-port fully-textile antenna, based on a simple microstrip patch, for simultaneous wireless information and power transfer (SWIPT) at 2.4 GHz, presenting the first antenna-rectifier co-design implementation for SWIPT. The proposed antenna's input bandwidth covers the license-free band achieving 8.9 dBi measured directivity and 41% efficiency at 2.4 GHz, with a simple proximity-coupled microstrip feed. For power harvesting, port 2 is designed to achieve a scalable complex impedance to directly match the rectifier without a separate matching network, and achieves 6.3 dBi off-body gain. The proposed rectenna feed improves the antenna's isolation by at least 15 dB compared to a microstrip feed similar to port 1. The rectenna achieves over 40% power conversion efficiency (PCE) from -10 dBm, when placed directly on-body, with a 71% peak PCE.

Antennas, Electronic Textile, Microstrip Antennas, RF Energy Harvesting, Rectifiers, SWIPT, Wearable Antennas, Wireless Power Transfer
IEEE
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Hilton, Geoffrey S.
3edc9be4-ad15-4964-8093-953874cb9d94
Weddell, Alex S.
3d8c4d63-19b1-4072-a779-84d487fd6f03
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Hilton, Geoffrey S.
3edc9be4-ad15-4964-8093-953874cb9d94
Weddell, Alex S.
3d8c4d63-19b1-4072-a779-84d487fd6f03
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d

Wagih, Mahmoud, Hilton, Geoffrey S., Weddell, Alex S. and Beeby, Steve (2021) 2.4 GHz wearable textile antenna/rectenna for simultaneous information and power transfer. In 15th European Conference on Antennas and Propagation, EuCAP 2021. IEEE.. (doi:10.23919/EuCAP51087.2021.9411499).

Record type: Conference or Workshop Item (Paper)

Abstract

Antennas and rectennas for self-powered body area networks (BANs) have attracted significant interest, in an effort to improve the sustainability of e-textiles. This paper presents a novel dual-port fully-textile antenna, based on a simple microstrip patch, for simultaneous wireless information and power transfer (SWIPT) at 2.4 GHz, presenting the first antenna-rectifier co-design implementation for SWIPT. The proposed antenna's input bandwidth covers the license-free band achieving 8.9 dBi measured directivity and 41% efficiency at 2.4 GHz, with a simple proximity-coupled microstrip feed. For power harvesting, port 2 is designed to achieve a scalable complex impedance to directly match the rectifier without a separate matching network, and achieves 6.3 dBi off-body gain. The proposed rectenna feed improves the antenna's isolation by at least 15 dB compared to a microstrip feed similar to port 1. The rectenna achieves over 40% power conversion efficiency (PCE) from -10 dBm, when placed directly on-body, with a 71% peak PCE.

This record has no associated files available for download.

More information

Accepted/In Press date: 2021
e-pub ahead of print date: 27 April 2021
Published date: 27 April 2021
Additional Information: Funding Information: This work was supported by the UK Engineering and Physical Sciences Research Council (EPSRC) under Grant EP/P010164/1. Publisher Copyright: © 2021 EurAAP.
Venue - Dates: 2021 15th European Conference on Antennas and Propagation (EuCAP), , Dusseldorf, Germany, 2021-03-22 - 2021-03-26
Keywords: Antennas, Electronic Textile, Microstrip Antennas, RF Energy Harvesting, Rectifiers, SWIPT, Wearable Antennas, Wireless Power Transfer

Identifiers

Local EPrints ID: 446300
URI: http://eprints.soton.ac.uk/id/eprint/446300
PURE UUID: d1655746-c6dd-4de1-b847-4fa57b9fde52
ORCID for Mahmoud Wagih: ORCID iD orcid.org/0000-0002-7806-4333
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: 04 Feb 2021 17:30
Last modified: 28 Mar 2024 03:00

Export record

Altmetrics

Contributors

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

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×