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Conference Paper: A simple planar circularly polarized antenna for GPS system
Title | A simple planar circularly polarized antenna for GPS system |
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Authors | |
Keywords | RHCP Monopole antenna GPS Wilkinson power divider Isolation |
Issue Date | 2014 |
Publisher | IEEE. 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? |
Abstract | The 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. |
Description | Session - 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 Identifier | http://hdl.handle.net/10722/204113 |
ISBN |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Cao, Y | en_US |
dc.contributor.author | Cheung, SW | en_US |
dc.contributor.author | Liu, L | en_US |
dc.contributor.author | Yuk, TI | en_US |
dc.date.accessioned | 2014-09-19T20:06:07Z | - |
dc.date.available | 2014-09-19T20:06:07Z | - |
dc.date.issued | 2014 | en_US |
dc.identifier.citation | The 2014 IEEE International Workshop on Antenna Technology (iWAT 2014), Sydney, Australia, 4-6 March 2014. In Conference Proceedings, 2014, p. 355-358 | en_US |
dc.identifier.isbn | 978-1-4799-2331-1 | - |
dc.identifier.uri | http://hdl.handle.net/10722/204113 | - |
dc.description | Session - Interactive 3.2: Metmaterial-Inspired & Miniaturized Antennas | - |
dc.description | The Conference program's website is located at http://www.iwat2014.org/index.php/program/detailed-program | - |
dc.description.abstract | The 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.language | eng | en_US |
dc.publisher | IEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1001877 | - |
dc.relation.ispartof | International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials (iWAT) | en_US |
dc.subject | RHCP | - |
dc.subject | Monopole antenna | - |
dc.subject | GPS | - |
dc.subject | Wilkinson power divider | - |
dc.subject | Isolation | - |
dc.title | A simple planar circularly polarized antenna for GPS system | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Cheung, SW: swcheung@eee.hku.hk | en_US |
dc.identifier.email | Yuk, TI: tiyuk@eee.hku.hk | en_US |
dc.identifier.authority | Cheung, SW=rp00102 | en_US |
dc.identifier.authority | Yuk, TI=rp00210 | en_US |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/IWAT.2014.6958685 | - |
dc.identifier.scopus | eid_2-s2.0-84914166210 | - |
dc.identifier.hkuros | 239818 | en_US |
dc.identifier.spage | 355 | - |
dc.identifier.epage | 358 | - |
dc.publisher.place | United States | - |
dc.customcontrol.immutable | sml 141126 | - |