A low-profile printed planar phase correcting surface to improve directive radiation characteristics of electromagnetic band gap resonator antennas

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Abstract

This communication presents a method to enhance the radiation performance of conventional electromagnetic band gap resonator antennas (ERAs) by improving their aperture phase distributions. A lowprofile printed planar phase correcting surface (PCS) was designed and fabricated to demonstrate performance enhancement. Measurements of a prototype demonstrated that the PCS significantly enhances the directive radiation properties of ERAs. This includes an 8 dB increase in peak directivity, 60% reduction in 3 dB beamwidth (from 35° to 14°), and a considerable reduction in side lobe levels.

Original languageEnglish
Article number2493159
Pages (from-to)276-280
Number of pages5
JournalIEEE Transactions on Antennas and Propagation
Volume64
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016

Keywords

  • Aperture field
  • Cavity resonator
  • Directivity enhancement
  • Electromagnetic band gap resonator antenna (ERA)
  • Fabry-Perot resonator
  • Frequency selective surface (FSS)
  • High-gain
  • Patch antennas
  • Phase correction
  • Phase shifting surface (PSS)

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