Abstract
A novel two-layer stacked wideband dielectric resonator antenna (DRA) of rectangular shape is proposed. The DRA is composed of a dielectric resonator (DR) and a thin dielectric segment, which reside above a ground plane, and is excited by a small metallic patch connected to a coaxial probe. Unlike its previous designs that have a DRA of a lower permittivity above one or more thin segments of higher permittivity, the top DR in this antenna has a higher permittivity than the lower segment. Theoretical and experimental results show that the proposed DRA can achieve a very wide bandwidth. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1630–1633, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21716
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