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Planar Textile Off-Body Communication Antennas: A Survey

Faculty of Engineering, University of Deusto, Avda. Universidades, 24, 48007 Bilbao, Spain
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Electronics 2019, 8(6), 714; https://doi.org/10.3390/electronics8060714
Received: 31 May 2019 / Revised: 18 June 2019 / Accepted: 20 June 2019 / Published: 24 June 2019
(This article belongs to the Special Issue Intelligent Antennas)
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Abstract

Fully textile smart wearables will be the result of the complete integration and miniaturization of electronics and textile materials. Off-body communications are key for connecting smart wearables with external devices, even for wireless power transfer or energy harvesting. They need to fulfill specific electromagnetic (EM) (impedance bandwidth (BW), gain, efficiency, and front to back radiation (FTBR)) and mechanical (bending, crumpling, compression, washing and ironing) requirements so that the smart wearable device provides the required performance. Therefore, textile and flexible antennas require a proper trade-off between materials, antenna topologies, construction techniques, and EM and mechanical performances. This review shows the latest research works for textile and flexible planar, fully grounded antennas for off-body communications, providing a novel design guide that relates key antenna performance parameters versus topologies, feeding techniques, conductive and dielectric textile materials, as well as the behavior under diverse measurement conditions. View Full-Text
Keywords: textile antennas; off-body communications; fully-grounded planes textile antennas; off-body communications; fully-grounded planes
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Del-Rio-Ruiz, R.; Lopez-Garde, J.-M.; Legarda, J. Planar Textile Off-Body Communication Antennas: A Survey. Electronics 2019, 8, 714.

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