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SIW resonator fed horn mounted compact DRA with enhanced gain for multiband applications

Published online by Cambridge University Press:  04 March 2019

Pramod Kumar ,
Jitendra Kumar Open the ORCID record for Jitendra Kumar [Opens in a new window] ,
Shailendra Singh ,
Utkarsh  and
Santanu Dwari
Pramod Kumar
Affiliation:
Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand 826004, India
Jitendra Kumar*
Affiliation:
Microwave Plasma Group, Institute for Plasma Research, Gandhinagar, Bhat, Gujarat 382428, India
Shailendra Singh
Affiliation:
C-D&E/CE, Bharat Electronics Limited, Bengaluru, Karnataka 560045, India
Utkarsh
Affiliation:
Department of Electronics and Communication, Inderprastha Engineering College, Ghaziabad 201010, Uttar Pradesh, India
Santanu Dwari
Affiliation:
Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand 826004, India
*
Author for correspondence: Jitendra Kumar, E-mail: [email protected]
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Abstract

A novel design of compact and light-weight horn mounted cylindrical dielectric resonator antenna (CDRA) fed by substrate integrated waveguide (SIW) resonator has been investigated for high gain and multiband applications. SIW resonator contains two closely spaced longitudinal slots of equal length and unequal width to excite the CDRA. These slots are responsible for introducing triple resonating bands. The excited mode in dielectric resonator by longitudinal slots is EH11δ mode. The achieved impedance bandwidths are 65, 180, and 240 MHz at resonant frequencies 9.78, 10.58, and 11.84 GHz, respectively, for |S11| <−10 dB. Copper-taped horn enhances the gain of antenna more than 2 dB for all resonating bands. The measured peak value of gain is 9.3 dBi at ~11.84 GHz.

Keywords

Conical horncylindrical dielectric resonator antennagain enhancementsubstrate integrated waveguidetriple/multi band
Type
Industrial and Engineering Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 8 , October 2019 , pp. 821 - 828
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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