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Microwave dielectric-resonator antenna analysis and design

Open dielectric-resonators (DR) offer attractive features as antenna elements. In this paper, two numerical methods developed for the analysis and design of microwave dielectric-resonator antennas (DRAs) are discussed. They are the Finite-Difference Time-Domain (FD-TD) method and the Method of Moments (MoM). Theoretical E- and H-plane patterns obtained from these methods for a low-profile rectangular DRA compare well with the measured results.