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A Novel Reduced-Height Broadband Monopole

Abstract : This paper presents a broadband omnidirectional vertically polarized antenna of only a one eighth wavelength associated to the lowest frequency. This antenna is composed of a conical monopole with metallic parasitic elements, a capacitive disk and a dielectric substrate placed above a square ground plane. This structure provides broadband performances and omnidirectional radiation patterns over the whole bandwidth. Simulations and experiments demonstrate that this structure exhibits a 2.9:1 impedance bandwidth with VSWR below 2:1 and very good radiation patterns and gains in spite of a height extremely reduced.
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Contributor : Sébastien Palud <>
Submitted on : Wednesday, February 11, 2009 - 7:33:21 PM
Last modification on : Friday, January 8, 2021 - 3:41:25 AM


  • HAL Id : hal-00360766, version 1


Sébastien Palud, Franck Colombel, Mohamed Himdi, Cyrille Le Meins. A Novel Reduced-Height Broadband Monopole. Antenna Technology: Small Antennas and Novel Metamaterials, 2008. iWAT 2008, Mar 2008, Chiba, Japan. pp.179-182. ⟨hal-00360766⟩



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