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Design and Investigation of Differential-Fed Ultra-Wideband Patch Antenna with Polarization Diversity

Wang, Yanfang, Zhu, Fuguo, Gao, Steven (2016) Design and Investigation of Differential-Fed Ultra-Wideband Patch Antenna with Polarization Diversity. International Journal of Antennas and Propagation, 2016 . pp. 1-6. ISSN 1687-5869. (doi:10.1155/2016/4254830) (KAR id:60569)

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Official URL
https://doi.org/10.1155/2016/4254830

Abstract

A novel single- or dual-polarized ultra-wideband (UWB) patch antenna fed by coupled feeding mechanism is proposed. The single-polarized antenna consists of a square ring patch and two ?-shaped patches which are coupled to the radiating patch. The vertical portions of the ?-shaped patches are connected to the microstrip lines which are printed on the bottom layer of the grounded FR4 substrate. To realize the differential feeding mechanism for enhancing the polarization purity, a tapered balun is employed to excite the antenna. Further to provide dual linear orthogonal polarizations, another pair of ?-shaped patches is added in the single-polarized UWB antenna. The dual-polarized UWB antenna prototype can achieve two orthogonal polarizations with an impedance bandwidth (?dB) of 113% and isolation of over 25?dB across the entire frequency band.

Item Type: Article
DOI/Identification number: 10.1155/2016/4254830
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Steven Gao
Date Deposited: 27 Feb 2017 15:49 UTC
Last Modified: 16 Feb 2021 13:43 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/60569 (The current URI for this page, for reference purposes)
Gao, Steven: https://orcid.org/0000-0002-7402-9223
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