A Wideband Printed Elliptical Monopole Antenna for Circular Polarization

A Wideband Printed Elliptical Monopole Antenna for Circular Polarization

In this paper, a printed elliptical monopole antenna for wideband circular polarization is proposed. The antenna's structure is asymmetric with regard to the microstrip line. The section of the ground plane that overlaps the elliptical patch is removed. With simulations, the relationship betwee...

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Veröffentlicht in:IEICE Transactions on Communications 2017/02/01, Vol.E100.B(2), pp.203-210
Hauptverfasser: FUJIMOTO, Takafumi, ISHIKUBO, Takaya, TAKAMURA, Masaya
Format: Artikel
Sprache:eng
Schlagworte:
Antennas
Asymmetry
Broadband
Circular polarization
elliptical patch
Ground plane
Microstrip antennas
Microstrip lines
Microstrip transmission lines
Monopole antennas
Monopoles
printed monopole antenna
Simulation
Wideband
wideband antenna
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Beschreibung
Zusammenfassung:In this paper, a printed elliptical monopole antenna for wideband circular polarization is proposed. The antenna's structure is asymmetric with regard to the microstrip line. The section of the ground plane that overlaps the elliptical patch is removed. With simulations, the relationship between the antenna's geometrical parameters and the antenna's axial ratio of circularly polarized wave is clarified. The operational principle for wideband circular polarization is explained by the simulated electric current distributions. The simulated and measured bandwidths of the 3dB-axial ratio with a 2-VSWR is approximately 88.4% (2.12GHz-5.47GHz) and 83.6% (2.20GHz-5.36GHz), respectively.
ISSN:0916-8516
1745-1345
DOI:10.1587/transcom.2016WSP0002