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Dual‐band circularly‐polarised Spidron fractal microstrip patch antenna for Ku‐band satellite communication applications
Author(s) -
Nguyen Thi T.,
Hwang K.C.,
Kim H.B.
Publication year - 2013
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2012.2973
Subject(s) - ku band , communications satellite , microstrip antenna , multi band device , satellite , circular polarization , microstrip , patch antenna , antenna (radio) , fractal , physics , optics , optoelectronics , computer science , telecommunications , mathematics , astronomy , mathematical analysis
A dual‐band circularly‐polarised antenna implemented on a single substrate is proposed for Ku‐band satellite communication. A microstrip‐fed Spidron fractal patch is utilised to achieve dual‐band resonance and circular polarisation. The proposed antenna, with dimensions of 50 × 50 × 1.52 mm 3 , has also been fabricated and tested. The measured −10 dB reflection bandwidths are 8.7% (11.44–12.48 GHz) and 6.6% (13.47–14.39 GHz), exhibiting a small resonant frequency ratio of 1.15. The 3 dB axial ratio bandwidths for the lower band and the upper band are 2.96 and 1.68%, respectively.

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