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Circular fractal monopole antenna based on descartes circle theorem for uwb application
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2008 (English)In: Microwave and optical technology letters (Print), ISSN 0895-2477, E-ISSN 1098-2760, Vol. 50, no 6, 1605-1608 p.Article in journal (Refereed) Published
Abstract [en]

An apollonian shaped ultra-wideband circular monopole antenna based oil descartes circle theorem is presented. Different self similar geometries front DCT are analyzed and optmized for UWB applications. The proposed design is slightly modified to ensure all overall smooth current distribution limited by the Junction point nature of the fractal geometries. The experimental results are compared with conventional circular disk monopole (and annular monopole antenna. The measured return loss of the proposed design below - 10 dB is from 2.4 to over 40 GHz and its radiation pattern is omni-directional compared with circular disk and annular antennas in most of its impedance bandwidth. Moreover due to the fractal shape, the proposed design has less weight and wind loading effect.

Place, publisher, year, edition, pages
2008. Vol. 50, no 6, 1605-1608 p.
Keyword [en]
circular monopole, annular monopole, descartes circle theorem, omni-directivity, fractal, wind loading, Junction point, UWB
URN: urn:nbn:se:kth:diva-17481DOI: 10.1002/mop.23437ISI: 000255355700046ScopusID: 2-s2.0-43049145531OAI: diva2:335525
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2013-11-19Bibliographically approved

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He, Sailing
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