Bandwidth and F-B ratio enhancements of an electrically-small crossed-dipole antenna using an NFRP reflector

Son Xuat Ta,Richard W Ziolkowski,Ikmo Park

doi:10.1109/apusncursinrsm.2017.8072314

Bandwidth and F-B ratio enhancements of an electrically-small crossed-dipole antenna using an NFRP reflector

Son Xuat Ta, Richard W Ziolkowski + Show 1 more

https://doi.org/10.1109/apusncursinrsm.2017.8072314

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Publication Date: Jul 1, 2017

Citations: 5

Affiliation: University of Technology Sydney, University of Arizona, Ajou University

#Near-field Resonant Parasitic Element #Near-field Resonant Parasitic + Show 8 more

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Abstract

In this paper, a compact single-feed crossed-dipole antenna backed by a near-field resonant parasitic (NFRP) element is proposed to enhance the bandwidth and front-to-back (F-B) ratio of the electrically small antenna system. The NFRP element is designed to not only act as a reflector, but also to generate an extra resonance with circularly polarized (CP) radiation for the antenna system. The extra resonances are utilized to broaden the antenna bandwidth. The final design with an overall size of 35 mm × 35 mm × 13.7 mm (0.184λ o × 0.184λ o × 0.072λ o at 1.575 GHz) has a |S 11 | 11 | < −10 dB and 3-dB AR bandwidths, respectively.

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