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A Wideband Conical Beam Cylindrical Dielectric Resonator Antenna

Ambattu, Praveen and Hamsakutty, V and Yohannan, J and Mathew, KT (2007) A Wideband Conical Beam Cylindrical Dielectric Resonator Antenna. IEEE Antennas and Wireless Propagation Letters, 6. pp. 15-17.

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Abstract

The letter proposes a novel cylindrical dielectric resonator antenna (DRA) geometry with low radiation Q-value facilitating wide band operation with conical radiation patterns. The DRA is fed by a microstrip transmission line with a vertical strip that is attached to the DRA surface. At optimum dimensions and position of the vertical strip on the horizontal microstrip, the DRA exhibits an impedance bandwidth ( $vert {rm S}_{11}vert < - 10$ dB) of ${sim}35hbox{%}$ at the centre frequency of 3 GHz. Measured radiation patterns are conical in shape and are stable with moderate gain across the matching band.

Item Type: Article
Journal or Publication Title: IEEE Antennas and Wireless Propagation Letters
Uncontrolled Keywords: Dielectric resonator antenna ; conical radiation pattern ; wideband antenna
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 56695
Deposited By: ep_importer_pure
Deposited On: 16 Aug 2012 17:02
Refereed?: Yes
Published?: Published
Last Modified: 04 Jan 2013 13:53
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/56695

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