High gain Fabry-Pérot circular polarization cavity antenna for UHF RFID applications

D. Hamzaoui, T. P. Vuong, F. Djahli, Gkiani Gkiani

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

3 Scopus citations

Abstract

A Fabry-Pérot cavity antenna for UHF RFID application is presented. First, a circularly polarized antenna is designed to obtain a high gain of 9.82 dB at 868 MHz. Then a hexagonal patch type frequency selective surface is designed and placed above the primary antenna to be used as partially reflective surface (PRS) to enhance its gain. The overall dimension of the structure is about (1.73 λ0 * 1.5 λ0 * 0.53 λ0), where λ0 is the free-space operating wavelength. The simulation results yield a 13.12 dB realized gain, 1.61 % 3 dB gain bandwidth and an axial ratio less than 3 dB with a ±33° beamwidth at 868 MHz. The cavity reflex antenna exhibits a good efficiency of 96.13% and side lobe level (SLL) less than -14 dB.

Original languageEnglish
Title of host publicationProceedings - ANTEM 2014
Subtitle of host publication2014 16th International Symposium on Antenna Technology and Applied Electromagnetics
PublisherIEEE Computer Society
ISBN (Print)9781479922253
DOIs
StatePublished - 2014
Event2014 16th International Symposium on Antenna Technology and Applied Electromagnetics, ANTEM 2014 - Victoria, BC, Canada
Duration: 13 Jul 201416 Jul 2014

Publication series

NameProceedings - ANTEM 2014: 2014 16th International Symposium on Antenna Technology and Applied Electromagnetics

Conference

Conference2014 16th International Symposium on Antenna Technology and Applied Electromagnetics, ANTEM 2014
Country/TerritoryCanada
CityVictoria, BC
Period13/07/1416/07/14

Keywords

  • Axial Ratio (AR)
  • Circular Polarization (CP)
  • Electromagnetic Bandgap structures (EBG)
  • Fabry-Pérot Cavity Antenna (FPCA)
  • Frequency Selective Surface (FSS)
  • Partially Reflective Surface (PRS)
  • Radio Frequency Identification (RFID
  • Side Lobe Level (SLL))

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