Design of a Bandwidth-Improved, Directive Antenna for a Pavement RFID Tag

Zhiyin Chong, Lauryn Smith, Deon Lucien, Sungkyun Lim

Research output: Contribution to book or proceedingConference articlepeer-review

Abstract

This paper presents a novel, directive RFID tag antenna for pavement embedded application. The tag antenna is made of a two-element, closely spaced Yagi antenna; a multiply folded driver and a bowtie strip director. At 908 MHz, the antenna has an input impedance of 36 + j131 \Omega, which matches well with the conjugate of Higgs-3 chip impedance of 20 - j135 \Omega. The maximum directivity of 5.7 dBi is achieved at 908 MHz. The designed antenna covers the entire US required UHF RFID bandwidth ranging from 902 MHz to 928 MHz.

Original languageEnglish
Title of host publication2019 IEEE SoutheastCon, SoutheastCon 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728101378
DOIs
StatePublished - Apr 2019
Event2019 IEEE SoutheastCon, SoutheastCon 2019 - Huntsville, United States
Duration: Apr 11 2019Apr 14 2019

Publication series

NameConference Proceedings - IEEE SOUTHEASTCON
Volume2019-April
ISSN (Print)1091-0050
ISSN (Electronic)1558-058X

Conference

Conference2019 IEEE SoutheastCon, SoutheastCon 2019
Country/TerritoryUnited States
CityHuntsville
Period04/11/1904/14/19

Keywords

  • RFID
  • bow-tie antennas
  • directive antennas

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