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Erschienen in: Wireless Personal Communications 3/2015

01.08.2015

Asymmetrical π-Shaped Slot Embedded Microstrip Antenna for Circular Polarization

verfasst von: Ajay Kumar Sharma, Ashok Mittal, B. Venkata Ramana Reddy

Erschienen in: Wireless Personal Communications | Ausgabe 3/2015

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Abstract

A unique geometry of a square patch antenna with an embedded asymmetrical π-shaped slot for circular polarization is presented. The proposed structure has an aperture coupled feed which is matched over a very wide frequency band. This is accomplished by incorporating an oval shaped stub at the end of the single microstrip feed. The antenna shows a 3-dB axial ratio bandwidth of 3.9 % (2.50–2.60 GHz) with respect to the measured minimum axial ratio frequency of 2.56 GHz. The 10-dB return loss bandwidth measured is 40.23 % (2.32–3.35 GHz) with respect to 2.56 GHz. The antenna gain is >8.2 dBi in the circularly polarized band. The antenna is well suited for use in circularly polarized antennas and arrays for wireless communication.

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Metadaten
Titel
Asymmetrical π-Shaped Slot Embedded Microstrip Antenna for Circular Polarization
verfasst von
Ajay Kumar Sharma
Ashok Mittal
B. Venkata Ramana Reddy
Publikationsdatum
01.08.2015
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2015
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-015-2503-2

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