Broadband Bowtie Dielectric Resonator Antenna

Broadband dielectric resonator antenna, formed by carving out notches from cylindrical geometry to form bowtie shape and fed by coaxial probe on one of the notched sides, is presented. The proposed broadband bowtie DRA combines shape deformation with low permittivity resonator to achieve impedance b...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2010-11, Vol.58 (11), p.3707-3710
Main Authors: Thamae, Leboli Z, Zhipeng Wu
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Bandwidth
Bowtie shape
Broadband
Broadband antennas
Dielectric constant
dielectric resonator antenna (DRA)
Dielectric resonator antennas
Dielectrics
Exact sciences and technology
Frequency measurement
Impedance
Noise levels
Permittivity
Probes
Radiocommunications
Resonators
Telecommunications
Telecommunications and information theory
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Description
Summary:Broadband dielectric resonator antenna, formed by carving out notches from cylindrical geometry to form bowtie shape and fed by coaxial probe on one of the notched sides, is presented. The proposed broadband bowtie DRA combines shape deformation with low permittivity resonator to achieve impedance bandwidth of up to 49.4% covering frequency range of 4.194-6.944 GHz. The simulated and measured radiation patterns are consistent throughout the operational bandwidth.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2010.2071332