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Substrate integrated waveguide fed dual-frequency dual-linearly-polarized dielectric resonator antenna

Published online by Cambridge University Press:  13 February 2018

Abhishek Sharma*
Affiliation:
Department of Electrical Engineering, IIT Kanpur, Kanpur- 208016, U.P., India
Anirban Sarkar
Affiliation:
Department of Electrical Engineering, IIT Kanpur, Kanpur- 208016, U.P., India
Animesh Biswas
Affiliation:
Department of Electrical Engineering, IIT Kanpur, Kanpur- 208016, U.P., India
M. Jaleel Akhtar
Affiliation:
Department of Electrical Engineering, IIT Kanpur, Kanpur- 208016, U.P., India
*
Author for correspondence: Abhishek Sharma, E-mail: abhisheksharma.rf@gmail.com

Abstract

In this paper, a single-feed dual-frequency dual-linearly-polarized dielectric resonator antenna is proposed which finds application in two- way internet satellite system and modern radar system. In order to achieve dual linear polarization at distinct frequencies, two rectangular dielectric resonators of same dimensions are excited in ${\rm TE}^{x}_{\delta 11}$ and ${\rm TE}^{y}_{1\delta 1}$ modes by a narrow longitudinal and transverse slot, respectively, etched on the top wall of the substrate integrated waveguide. The −10 dB impedance bandwidth of the proposed antenna is 6.76% for both the frequency bands. The antenna radiates along the broadside direction and the gain of the antenna varies from 5.37 to 6.24 dBi and 5.62–7.96 dBi across 8.14–8.71 GHz and 10.29–11.01 GHz, respectively.

Type
Research Papers
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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