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 a conference publication
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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