Circularly Polarized Textile Tag Antenna for Wearable Passive UHF RFID Systems

Ye Kuang, Shubin Ma, Leena Ukkonen, Johanna Virkki, Toni Björninen

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    1 Citation (Scopus)

    Abstract

    We present a circularly polarized tag antenna using textile materials for wearable passive ultra high frequency (UHF) radio frequency identification (RFID) system. A corner-truncated square patch with a shorting pin and an inductive feed network are used to achieve circularly polarization and conjugate impedance matching. The antenna has similar best axial ratio values of 2.1 dB and 2.2 dB for both in air and on-body conditions, and desirable corresponding read range of 9.1 m and 8.4 m.

    Original languageEnglish
    Title of host publication2018 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2018
    PublisherIEEE
    ISBN (Electronic)9780996007849
    DOIs
    Publication statusPublished - 18 Mar 2019
    Publication typeA4 Article in conference proceedings
    EventInternational Applied Computational Electromagnetics Society Symposium in China - Beijing, China
    Duration: 29 Jul 20181 Aug 2018

    Conference

    ConferenceInternational Applied Computational Electromagnetics Society Symposium in China
    Country/TerritoryChina
    CityBeijing
    Period29/07/181/08/18

    Keywords

    • Circularly polarized antenna
    • Radio frequency identification
    • Wearable antenna

    Publication forum classification

    • Publication forum level 1

    ASJC Scopus subject areas

    • Computational Mathematics
    • Instrumentation
    • Electrical and Electronic Engineering
    • Computer Networks and Communications

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