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Two-layer embedded half-split cylindrical dielectric resonator antenna for wideband applications

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3 Author(s)
Raghvendra Kumar Chaudhary ; Department of Electrical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, INDIA, 208016 ; Kumar Vaibhav Srivastava ; Animesh Biswas

A two-layer embedded half-split dielectric resonator antenna is proposed in this paper for wideband application. To enhance the impedance bandwidth, a small half-split cylindrical dielectric resonator is placed concentrically inside the large annular-ring half-split dielectric resonator. The effect of antenna parameters such as layer arrangement, geometrical parameters and probe length are investigated. The proposed antenna provides the impedance bandwidth of 88.25% (at resonance frequency of 7.41 GHz) from 5.55 to 12.08 GHz for reflection coefficient (S11) less than -10dB. The average gain of proposed antenna is 8.35 dB in the frequency range of 5.55 to 12.08 GHz.

Published in:

Radar Conference (EuRAD), 2012 9th European

Date of Conference:

Oct. 31 2012-Nov. 2 2012