Broadband nonhomogeneous multi-segmented dielectric resonator an

Details Broadband nonhomogeneous multi-segmented dielectric resonator an Broadband nonhomogeneous multi-segmented dielectric resonator an

1997-03-26

1999-09-14

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343873, H01Q 302

Patent

active

059529725

ABSTRACT:
A dielectric resonator antenna system is disclosed wherein a dielectric material having a high dielectric constant is placed between a dielectric resonator antenna (DRA) and the antenna feed. Preferably the dielectric material having a high dielectric constant is either in the form of an insert within a cavity of the DRA or alternatively is in the form of a thin layer between the feed and the DRA for enhancing coupling therebetween. It is preferred that the high dielectric constant material be at least twice the value of the dielectric resonator antenna.

REFERENCES:
patent: 5453754 (1995-09-01), Fray
patent: 5528254 (1996-06-01), Howng et al.
Broadband Stacked Dielectric Resonator Antennas; Electronic Letters, Aug. 31, 1989, vol.25, No. 18, pp. 1232-1233.
Analysis of a Hemispherical Dielectric Resonator Antenna with an Airgap; Wong, Cheng, Chen Microwave and Guided Wave Letters, IEEE 1993, pp. 355-357.
Hemispherical Dielectric Resonator Antenna with a Concentric Conductor; Luk, Leung, Yung Antennas and Propagation, Newport Beach, CA 1995, pp. 730-733.

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