A High-Gain Circularly Polarized Patch Antenna Using a Circular Ring Reflector for GNSS
P Boontamchauy, N Supreeyatitikul… - … Symposium of the …, 2020 - ieeexplore.ieee.org
P Boontamchauy, N Supreeyatitikul, N Teerasuttakorn, P Wongsakulphasatch
2020 XXXIIIrd General Assembly and Scientific Symposium of the …, 2020•ieeexplore.ieee.orgA design of circular ring reflector is presented to accomplish a high-gain antenna with
circular polarization for GNSS application instead of using an LNA. The measured directivity
reveals an enhancement of gain by back-lobe reduction. The reflection coefficient, appears-
10 dB, is 71.51% BW from 1.06 to 2.24 GHz. The axial ratio, under the area of 3 dB, is
36.14% BW over 1.142-1.646 GHz. The average gain is 6.86 dBi overall GNSS band, while
the maximum gain is 7.43 dBi at 1.314 GHz.
circular polarization for GNSS application instead of using an LNA. The measured directivity
reveals an enhancement of gain by back-lobe reduction. The reflection coefficient, appears-
10 dB, is 71.51% BW from 1.06 to 2.24 GHz. The axial ratio, under the area of 3 dB, is
36.14% BW over 1.142-1.646 GHz. The average gain is 6.86 dBi overall GNSS band, while
the maximum gain is 7.43 dBi at 1.314 GHz.
A design of circular ring reflector is presented to accomplish a high-gain antenna with circular polarization for GNSS application instead of using an LNA. The measured directivity reveals an enhancement of gain by back-lobe reduction. The reflection coefficient, appears -10 dB, is 71.51 %BW from 1.06 to 2.24 GHz. The axial ratio, under the area of 3 dB, is 36.14 %BW over 1.142 - 1.646 GHz. The average gain is 6.86 dBi overall GNSS band, while the maximum gain is 7.43 dBi at 1.314 GHz.
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