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Wideband four-element two-segment triangular dielectric resonator antenna with monopole-like radiation

Published online by Cambridge University Press:  20 November 2015

Ravi Kumar Gangwar ,
Pinku Ranjan  and
Abhishek Aigal
Ravi Kumar Gangwar*
Affiliation:
Department of Electronics Engineering, Indian School of Mines, Dhanbad, India. Phone: +91-326-2235903
Pinku Ranjan
Affiliation:
Department of Electronics Engineering, Indian School of Mines, Dhanbad, India. Phone: +91-326-2235903
Abhishek Aigal
Affiliation:
Department of Electronics Engineering, Indian School of Mines, Dhanbad, India. Phone: +91-326-2235903
*
Corresponding author: R. K. Gangwar Email: [email protected]
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Abstract

In this paper, a wideband two-segmented four-element triangular dielectric resonator antenna (TDRA) with coaxial probe feed has been proposed. The proposed antenna has been analyzed, optimized, and studied through Ansoft HFSS simulation software. The prototype of the proposed antenna has been fabricated and its input characteristics are measured with the help of R&S Vector Network Analyzer. Good agreement has been obtained between simulated and measured results. The proposed design has been compared with two segments TDRA and found wider bandwidth with lower resonant frequency. The proposed antenna provides monopole-like radiation pattern over the entire bandwidth with nearly 33% bandwidth (return loss ≥10 dB) at a resonant frequency 6.9 GHz and 4.93 dBi peak gain. The proposed antenna is suitable for application of C-band microwave frequencies.

Keywords

Triangular dielectric resonator antennaReturn lossMonopole radiation patternWireless application
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 2 , March 2017 , pp. 411 - 418
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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