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Conference Paper: A simple planar circularly polarized antenna for GPS system

TitleA simple planar circularly polarized antenna for GPS system
Authors
KeywordsRHCP
Monopole antenna
GPS
Wilkinson power divider
Isolation
Issue Date2014
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1001877
Citation
The 2014 IEEE International Workshop on Antenna Technology (iWAT 2014), Sydney, Australia, 4-6 March 2014. In Conference Proceedings, 2014, p. 355-358 How to Cite?
AbstractThe design of a planar right-handed circularly polarized (RHCP) antenna used for the Global Positioning System (GPS) is presented in this paper. The antenna consists of two meandered monopoles, a feeding network designed using the Wilkinson power divider and a defected ground structure (DGS). These two meandered monopoles resonate at about 1.575 GHz and are placed perpendicular to each other. The Wilkinson power divider divides the input signal into two signals with equal amplitude and phase. A phase difference of 90º between the signals to the monopoles is simply achieved by using a difference in length of λg/4 (λg is the guide wavelength) in the two feed lines. The DGS is used to increase isolation between the two monopoles. Measured results show that the antenna has an impedance bandwidth (for reflection coefficient S11<−10 dB) from 1.12 to 1.85 GHz and an axial-ratio bandwidth (for axial ratio AR < 3 dB) from 1.53 to 1.66 GHz in the GPS band. The simulated and measured S11, AR, radiation pattern, efficiency and gain are presented.
DescriptionSession - Interactive 3.2: Metmaterial-Inspired & Miniaturized Antennas
The Conference program's website is located at http://www.iwat2014.org/index.php/program/detailed-program
Persistent Identifierhttp://hdl.handle.net/10722/204113
ISBN

 

DC FieldValueLanguage
dc.contributor.authorCao, Yen_US
dc.contributor.authorCheung, SWen_US
dc.contributor.authorLiu, Len_US
dc.contributor.authorYuk, TIen_US
dc.date.accessioned2014-09-19T20:06:07Z-
dc.date.available2014-09-19T20:06:07Z-
dc.date.issued2014en_US
dc.identifier.citationThe 2014 IEEE International Workshop on Antenna Technology (iWAT 2014), Sydney, Australia, 4-6 March 2014. In Conference Proceedings, 2014, p. 355-358en_US
dc.identifier.isbn978-1-4799-2331-1-
dc.identifier.urihttp://hdl.handle.net/10722/204113-
dc.descriptionSession - Interactive 3.2: Metmaterial-Inspired & Miniaturized Antennas-
dc.descriptionThe Conference program's website is located at http://www.iwat2014.org/index.php/program/detailed-program-
dc.description.abstractThe design of a planar right-handed circularly polarized (RHCP) antenna used for the Global Positioning System (GPS) is presented in this paper. The antenna consists of two meandered monopoles, a feeding network designed using the Wilkinson power divider and a defected ground structure (DGS). These two meandered monopoles resonate at about 1.575 GHz and are placed perpendicular to each other. The Wilkinson power divider divides the input signal into two signals with equal amplitude and phase. A phase difference of 90º between the signals to the monopoles is simply achieved by using a difference in length of λg/4 (λg is the guide wavelength) in the two feed lines. The DGS is used to increase isolation between the two monopoles. Measured results show that the antenna has an impedance bandwidth (for reflection coefficient S11<−10 dB) from 1.12 to 1.85 GHz and an axial-ratio bandwidth (for axial ratio AR < 3 dB) from 1.53 to 1.66 GHz in the GPS band. The simulated and measured S11, AR, radiation pattern, efficiency and gain are presented.-
dc.languageengen_US
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1001877-
dc.relation.ispartofInternational Workshop on Antenna Technology: Small Antennas and Novel Metamaterials (iWAT)en_US
dc.rightsInternational Workshop on Antenna Technology: Small Antennas and Novel Metamaterials (iWAT). Copyright © IEEE.-
dc.rights©2014 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectRHCP-
dc.subjectMonopole antenna-
dc.subjectGPS-
dc.subjectWilkinson power divider-
dc.subjectIsolation-
dc.titleA simple planar circularly polarized antenna for GPS systemen_US
dc.typeConference_Paperen_US
dc.identifier.emailCheung, SW: swcheung@eee.hku.hken_US
dc.identifier.emailYuk, TI: tiyuk@eee.hku.hken_US
dc.identifier.authorityCheung, SW=rp00102en_US
dc.identifier.authorityYuk, TI=rp00210en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/IWAT.2014.6958685-
dc.identifier.hkuros239818en_US
dc.identifier.spage355-
dc.identifier.epage358-
dc.publisher.placeUnited States-
dc.customcontrol.immutablesml 141126-

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