A rhomboid-shaped printed monopole antenna for wideband circular polarization
This paper presents the design of a wideband circularly-polarized printed monopole antenna with a rhomboid shape. The rhomboid-shaped patch is fed by a microstrip line offset from the center to generate circular polarization (CP). The ground plane configuration is optimized for wide bandwid...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Faculty of Technical Sciences in Cacak
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/33af1ed30417413ca6b10dfb66082f9a |
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| Sumario: | This paper presents the design of a wideband circularly-polarized printed
monopole antenna with a rhomboid shape. The rhomboid-shaped patch is fed by
a microstrip line offset from the center to generate circular polarization
(CP). The ground plane configuration is optimized for wide bandwidth
operation. Bandwidth (satisfying both 10-dB return loss and 3-dB axial
ratio) of 76% (1.92 - 4.27 GHz) is achieved in this research. The size of
the proposed antenna is 0.386 2 0 l (55×66 mm2) where λ0 is the free space
wavelength which corresponds to the center frequency of the bandwidth. The
antenna has a fractional bandwidth-size ratio (BW/size) of 1.97 which is
higher than most CP monopole antennas in the literature. This antenna is
suitable for Wi-Fi, WiMAX, and other wireless applications which outperform
using circular polarization. |
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