Transparent epidermal antenna for unobtrusive human-centric Internet of Things applications

dc.contributor.authorSimorangkir, Roy B. V. B.en
dc.contributor.authorGawade, Dinesh R.en
dc.contributor.authorHannon, Timen
dc.contributor.authorDonovan, Paulen
dc.contributor.authorKumar, Sanjeeven
dc.contributor.authorRather, Nadeemen
dc.contributor.authorMoloudian, Gholamhoseinen
dc.contributor.authorO’Flynn, Brendanen
dc.contributor.authorBuckley, John L.en
dc.contributor.funderEnterprise Irelanden
dc.contributor.funderIrish Research Councilen
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Regional Development Funden
dc.date.accessioned2023-07-26T09:23:43Z
dc.date.available2023-07-26T09:23:43Z
dc.date.issued2023-06-24en
dc.description.abstractThe concept of optical transparency in antennas for epidermal electronics is demonstrated in this work as a means of improving the long-term comfort-of-wear level and possibly opening up a wider range of applications. In contrast to previous attempts, the epidermal antenna transparency is achieved by employing dielectric and conductive materials that are both transparent and flexible (i.e., polydimethylsiloxane-transparent conductive textile composite) via a non-clean room procedure that is relatively simpler and less expensive. To demonstrate the concept, a modified rectangular loop epidermal antenna for an arm-worn wireless sensing system operating at 868 MHz Ultra High Frequency (UHF) band is designed. Through a systematic numerical investigation, an interesting radiation response of the loop epidermal antenna as the result of two opposing mechanisms of radiation and loss is revealed, which dictates a specific design guideline for the loop when attached to the body compared to that in free space. Two antenna prototypes were fabricated with the developed transparent composite and its non-transparent counterpart. Then, comprehensive characterizations comparing both epidermal antenna prototypes were carried out, including antenna return loss and far-field tests on a human forearm phantom, and indoor wireless connectivity tests using a human test subject. By showing similar performance between the two prototypes, the study provides a convincing demonstration of the applicability of the developed transparent composite for the class of epidermal antenna and the capability of a transparent antenna to enable wireless connectivity in the context of epidermal electronics.en
dc.description.sponsorshipIrish Research Council (GOIPD/2022/390); Enterprise Ireland (EIDT20180291-A)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSimorangkir, R. B. V. B., Gawade, D. R., Hannon, T., Donovan, P., Kumar, S., Rather, N., Moloudian, G., O’Flynn, B. and Buckley, J. L. (2023) 'Transparent epidermal antenna for unobtrusive human-centric Internet of Things applications', IEEE Internet of Things Journal, 11(1), pp. 1164-1174. https://doi.org10.1109/JIOT.2023.3288994en
dc.identifier.doihttps://doi.org/10.1109/jiot.2023.3288994en
dc.identifier.endpage1174
dc.identifier.issn2327-4662en
dc.identifier.issn2372-2541en
dc.identifier.issued1
dc.identifier.journaltitleIEEE Internet of Things Journalen
dc.identifier.startpage1164
dc.identifier.urihttps://hdl.handle.net/10468/14777
dc.identifier.volume11
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.ispartofIEEE Internet of Things Journalen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2289/IE/INSIGHT - Irelands Big Data and Analytics Research Centre/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2077/IE/CONNECT: The Centre for Future Networks & Communications/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres Programme::Phase 1/16/RC/3835/IE/VistaMilk Centre/en
dc.rights© 2023, the Authors. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectConductive textileen
dc.subjectEpidermal antennaen
dc.subjectFlexible antennaen
dc.subjectInternet of Things (IoT)en
dc.subjectPolydimethylsiloxane (PDMS)en
dc.subjectTransparent antennaen
dc.subjectUnobtrusiveen
dc.subjectWearable antennaen
dc.titleTransparent epidermal antenna for unobtrusive human-centric Internet of Things applicationsen
dc.typeArticle (peer-reviewed)en
dc.typejournal-articleen
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