Vertical-strip-fed broadband circularly polarized dielectric resonator antenna

Amir Altaf, Jin Woo Jung, Youngoo Yang, Kang Yoon Lee, Keum Cheol Hwang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A vertical-strip-fed dielectric resonator antenna exhibiting broadband circular polarization characteristics is presented. A broad 3 dB axial ratio bandwidth (ARBW) is achieved by combining multiple orthogonal modes due to the use of a special-shaped dielectric resonator. The proposed antenna is fabricated to evaluate its actual performance capabilities. The antenna exhibits a measured 3 dB ARBW of 44.2% (3.35–5.25 GHz), lying within a −10 dB reflection bandwidth of 82.7% (2.44–5.88 GHz). The measured peak gain within 3 dB ARBW is found to be 5.66 dBic at 4.8 GHz. The measured results are in good agreement with the simulated results.

Original languageEnglish
Article number1911
JournalSensors
Volume17
Issue number8
DOIs
StatePublished - 18 Aug 2017

Keywords

  • Broadband antenna
  • Circular polarization
  • Dielectric resonator antenna
  • Vertical-strip feeding

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