Multi-layer dielectric cavity antennas with extended aperture height

Kook Joo Lee, Moonil Kim, Jung Aun Lee, Sanggeun Jeon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A dominant-mode rectangular cavity antenna design yielding an improved bandwidth is experimentally verified. Simple field theories indicate that extending the aperture height should increase the antenna bandwidth without shifting the operation frequency. Antenna samples built from a 4.4 dielectric constant material produce 3-dB efficiency bandwidths of 15 and 23 percent for the respective cavity height-to-width ratios of 0.5 and 0.75 at 7 GHz.

Original languageEnglish
Pages (from-to)573-575
Number of pages3
JournalIEICE Transactions on Communications
VolumeE94-B
Issue number2
DOIs
Publication statusPublished - 2011 Feb

Keywords

  • Cavity antenna
  • Dielectric resonator
  • Multi-layer substrate

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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