A Novel Design of Gap-Coupled Sectoral Patch Antenna

A Novel Design of Gap-Coupled Sectoral Patch Antenna

Using gap coupling between the elements, an antenna of four sectors by cutting the slots through and through from a circular patch is designed for application in X-band. The bandwidth enhancement along with reduced sidelobes is obtained by marginally or fully moving one of the feeding sectoral patch...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2013, Vol.12, p.674-677
Hauptverfasser: Kandwal, A., Khah, S. K.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna gain
Bandwidth
Broadband antennas
gap coupling
Impedance
Microstrip
Microstrip antennas
Patch antennas
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Zusammenfassung:Using gap coupling between the elements, an antenna of four sectors by cutting the slots through and through from a circular patch is designed for application in X-band. The bandwidth enhancement along with reduced sidelobes is obtained by marginally or fully moving one of the feeding sectoral patches diagonally away. The results are analyzed for different positions of the slot. A bandwidth of 1.2 GHz in X-band along with a reduced sidelobe level of -15.0 dB and a gain of 12.0 dBi is obtained. An analysis of mutual coupling and parasitic patch effect is also presented and discussed in this letter.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2264103