Design and optimization of a novel compact broadband linearly/circularly polarized wide-slot antenna for WLAN and Wi-MAX applications - Publication - Bridge of Knowledge

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Design and optimization of a novel compact broadband linearly/circularly polarized wide-slot antenna for WLAN and Wi-MAX applications

Abstract

A novel topologically modified structure of a compact low profile wide-slot antenna for broadband applications is presented. The antenna comprises a modified E-shaped slot with unequal arm lengths in the ground plane, and a parasitic quasi-rectangular loop placed coplanar with the feedline. For exciting orthogonal modes with equal amplitude, a single-point feeding technique with an asymmetrical geometry of the coplanar waveguide is used to feed the antenna. A multi-stage EM-driven optimization is used to rigorously optimize all the parameters for best impedance bandwidth and axial ratio bandwidth. The total footprint of the antenna is only 0.71 λg^2 and a 41% impedance bandwidth along with 33% axial ratio bandwidth has been achieved which covers several WLAN and WiMAX bands.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
RADIOENGINEERING no. 28, pages 19 - 24,
ISSN: 1210-2512
Language:
English
Publication year:
2019
Bibliographic description:
Ubaid U., Kozieł S.: Design and optimization of a novel compact broadband linearly/circularly polarized wide-slot antenna for WLAN and Wi-MAX applications// RADIOENGINEERING -Vol. 28,iss. 1 (2019), s.19-24
DOI:
Digital Object Identifier (open in new tab) 10.13164/re.2019.0019
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Gdańsk University of Technology

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