In-body/Out-body Dual-Use Miniaturized RFID Tag System Using 920MHz/5.02GHz Bands

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper describes an in-body/out-body passive type RFID system by using a miniaturized tag antenna. The RFID tag is used for both in-body and out-body communications. In the out-body condition, the tag antenna is designed at operating frequency 5.02 GHz in order to shrink the tag size to about 2cm length. In the in-body condition, the operating frequency becomes lower than that in out-body condition due to the higher dielectric constant of surrounding medium (i.e. human body and liquid) of the antenna. From the EM simulation result, we found that this tag can be operated at 920 MHz-band which is commonly used in existing 920 MHz RFID system. Therefore, we decided to use existing 920 MHz RFID tag chip and fabricated the miniaturized RFID tag. Fabricated 2cm-class RFID tag performs dual-use characteristic for in-body/out-body conditions by using 5.02 GHz/920 MHz bands.

Original languageEnglish
Title of host publication2020 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages148-150
Number of pages3
ISBN (Electronic)9781728165066
DOIs
Publication statusPublished - 2020 Sep
Event2020 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2020 - Hiroshima, Japan
Duration: 2020 Sep 22020 Sep 4

Publication series

Name2020 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2020

Conference

Conference2020 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2020
CountryJapan
CityHiroshima
Period20/9/220/9/4

Keywords

  • communication system
  • RFID
  • tag antenna

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Radiation

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