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2021-07-21
An Artificial Dielectric Material to Enhance Patch Antenna Gain
By
Progress In Electromagnetics Research Letters, Vol. 99, 45-53, 2021
Abstract
Artificial material has the feature to realize a controllable effective permittivity, which leads to many potential applications in the RF and optical fields. In this study, an artificial material is proposed for a Resonant Cavity antenna (RCA) to enhance the gain of patch antenna. The artificial material is made of a lot of circular conducting patches in a uniform size hosted in an FR-4 substrate. The fabricated artificial material is in a square shape with a length and width of 52 mm × 52 mm and a thickness of 1.2 mm. The artificial material is set in front of a patch antenna to construct an RCA, and the gain property of the proposed RCA is evaluated with the simulation and measurement methods. The results by both the simulation and measurement methods prove that the gain is enhanced by the proposed artificial material. The maximum gains are 14.5 dBi in simulation and 12.8 dBi in measurement at 15 GHz for the RCA with on slab of the artificial material. The gain is improved compared to the gain of a patch antenna without the artificial material.
Citation
Yangjun Zhang, and Yoshikazu Fujita, "An Artificial Dielectric Material to Enhance Patch Antenna Gain," Progress In Electromagnetics Research Letters, Vol. 99, 45-53, 2021.
doi:10.2528/PIERL21060101
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