2010•IEEE Antennas and Propagation MagazineRequires access

Dielectric Resonator Antennas: A Historical Review and the Current State of the Art

A. Petosa, A. Ittipiboon

Abstract

This article presents a historical review of the research carried out on dielectric resonator antennas (DRAs) over the last three decades. Major research activities in each decade are highlighted. The current state of the art of dielectric-resonator-antenna technology is then reviewed. The achievable performance of dielectric resonator antennas designed for compactness, wide impedance bandwidth, low profiles, circular polarization, or high gain are illustrated. The latest developments in dielectric-resonator-antenna arrays and fabrication techniques are also examined.

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Key concepts: Dielectric resonator antenna, Dielectric resonator, Resonator, Dielectric, Bandwidth (computing), Electrical impedance, Fabrication, Helical resonator