Abstract

A kind of low-profile substrate integrated dielectric resonator antenna (SIDRA) is presented in this paper. The SIDRAs can be implemented with a two-layer printed circuit board (PCB) process conveniently, in which the integrated dielectric resonators are fabricated in the top layer and fed by the compact substrate integrated waveguide (SIW) through the transverse coupling slots within the bottom layer. The prototypes exhibit good radiation performances in Ka band, and the 10-dB bandwidth can be easily extended from around 12% to 25% with stable broadside radiation patterns. These antennas show the advantages of low profile, high radiation efficiency, easy manufacture, etc.

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