Communications: radio wave antennas – Antennas – Microstrip
Patent
1998-09-09
2000-11-14
Wong, Don
Communications: radio wave antennas
Antennas
Microstrip
343725, 343785, 343829, 3332191, H01Q 138
Patent
active
061476471
ABSTRACT:
A dielectric resonator antenna having a resonator formed from a dielectric material mounted on a ground plane. The ground plane is formed from a conductive material. First and second probes are electrically coupled to the resonator for providing first and second signals, respectively, to or receiving from the resonator. The first and second probes are spaced apart from each other. The first and second probes are formed of conductive strips that are electrically connected to the perimeter of the resonator and are substantially orthogonal with respect to the ground plane. The first and second signals have equal amplitude, but 90 degrees phase difference with respect to each other, to produce a circularly polarized radiation pattern. A dual band antenna can be constructed by positioning and connecting two dielectric resonator antennas together. Each resonator in the dual band configuration resonates at a particular frequency, thereby providing dual band operation. The resonators can be positioned either side by side or vertically.
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Lin Yi-Cheng
Ozaki Ernest T.
Tassoudji Mohammad Ali
Chen Shih-Chao
Ogrod Gregory D.
Qualcomm Incorporated
Wadsworth Phillip R.
Wong Don
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