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- W4378842473 abstract "Global Positioning System (GPS) base station antennas should have a quasi-isotropic radiation pattern in the upper hemisphere and provide almost zero radiation in the bottom hemisphere for positioning error reduction. Usually, a base station GPS antenna consists of an omnidirectional antenna element and a ground plane, which suppresses the back radiation. However, along with the back radiation suppression, a ground plane makes the radiation pattern in the upper hemisphere narrower. To avoid this negative effect of a ground plane, we propose the use of a modulated self-complementary metasurface ground plane. As an antenna element, we use a three-dipole antenna with quasi-isotropic radiation and circular polarization patterns. We demonstrate that the antenna with a modulated self-complementary metasurface ground plane provides quasi-isotropic radiation and polarization patterns in a required angular sector. For back radiation suppression, we use a semitransparent cylindrical surface located near the ground plane’s edge. We demonstrate that effective back radiation suppression is possible by using a fully resistive semitransparent edge." @default.
- W4378842473 created "2023-06-01" @default.
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- W4378842473 date "2023-03-26" @default.
- W4378842473 modified "2023-10-17" @default.
- W4378842473 title "An Antenna with a Modulated Self-Complementary Metasurface Ground Plane for GPS Applications" @default.
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- W4378842473 doi "https://doi.org/10.23919/eucap57121.2023.10133648" @default.
- W4378842473 hasPublicationYear "2023" @default.
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