A wideband planar inverted-f dielectric resonator antenna for rfid system applications

Ching Fang Tseng, Cheng-Liang Huang, Cheng Hsing Hsu

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This wideband planar inverted-F dielectric resonator antenna (DRA) is proposed. The antenna provides two resonant paths of different lengths in order to achieve 2.4- and 5.8-GHz dual-band for radio frequency identification (RFID) system applications. The impedance bandwidth with 10-dB return loss (2:1 VSWR) is about 255 MHz (2300-2555 MHz) for the 2.45-GHz band and 835 MHz (5595-6430 MHz) for the 5.8-GHz band. The obtained circular polarization (CP) bandwidths, determined from 3-dB axial ratio, are about 180 MHz (about 7.35%) and 380 MHz (about 6.55%) at 2.45 and 5.8 GHz, respectively. Good antenna gain and circular-polarization radiation patterns are also observed. The measured results of the performance of the antenna are presented.

Original languageEnglish
Pages (from-to)1302-1305
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume48
Issue number7
DOIs
Publication statusPublished - 2006 Jul 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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