An Aperture-Coupled Patch Antenna on Modified-Shape Ground-Plane(Antennas and Propagation)

概要

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An aperture-coupled patch antenna on a modified-shape groundplane is proposed in this paper. It is applicable to the H-plane array without perpendicular feed structure. Availability of the depth-area under antenna-substrate is effectively improved by using radiation from the T-shaped element, while the advantage of aperture-coupled antenna in suppressing the spurious-feed-network radiation remains effective. Basic characteristics of the antenna are investigated through the numerical examination by using FDTD-method. As a result, the increased bandwidth is also obtained, which is observed as dual-resonance characteristics due to the T-shaped element and the aperture-fed patch. A H-plane array of the proposed element incorporating a probe-fed patch antenna is also presented to show an potential as a polarization diversity antenna.
社団法人電子情報通信学会の論文
2005-06-01