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Type: Journal article
Title: Omnidirectional cylindrical dielectric resonator antenna with dual polarization
Author: Zou, L.
Abbott, D.
Fumeaux, C.
Citation: IEEE Antennas and Wireless Propagation Letters, 2012; 11:515-518
Publisher: IEEE
Issue Date: 2012
ISSN: 1536-1225
Statement of
Longfang Zou, Derek Abbott and Christophe Fumeaux
Abstract: This letter proposes an annular cylindrical dielectric resonator antenna (DRA) with two-port diversity realizing simultaneously omnidirectional horizontally and vertically polarized radiation patterns with low cross coupling. The horizontally and vertically polarized radiation patterns are achieved by exciting the orthogonal TE and TM modes in a single cylindrical dielectric resonator (DR). Due to the high -factor of the TE mode, an air gap and multiple feeding lines are introduced to increase the impedance bandwidth. The proposed antenna provides an impedance bandwidth of 19.1% in the vertically polarized mode and an overlapping bandwidth of 7.4% in the horizontally polarized mode, with the overlapping band ranging from 3.78 to 4.07 GHz. Antenna diversity and multiple-input–multiple-output(MIMO) performance are examined in terms of envelope correlation coefficient and mean effective gain.
Keywords: Dielectric resonator antenna (DRA); multifunction; polarization diversity
Rights: © 2012 IEEE
RMID: 0020120995
DOI: 10.1109/LAWP.2012.2199277
Appears in Collections:Electrical and Electronic Engineering publications

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