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A compact, dual wide-band circularly polarized, modified square ring slot antenna for C and Ku band applications

Published online by Cambridge University Press:  01 October 2018

Shilpee Patil ,
Anil Kumar Singh ,
Binod Kumar Kanaujia  and
R. L. Yadava
Shilpee Patil*
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Delhi-110031, India
Anil Kumar Singh
Affiliation:
Department of Electronics & Instrumentation Engineering, Faculty of Engineering and Technology, M.J.P. Rohilkhand University, Bareilly-243006, U.P., India
Binod Kumar Kanaujia
Affiliation:
School of computation and integrative sciences, JNU, New Delhi-110067, India
R. L. Yadava
Affiliation:
Department of Electronics & Communication Engineering, Galgotias College of Engineering & Technology, Greater Noida, U.P., India
*
Author for correspondence: Shilpee Patil, E-mail: shilpeepatil21@gmail.com
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Abstract

This paper presents a compact microstrip antenna using FR-4 substrate for dual band circularly polarized operation using a modified square ring slot in the ground plane with microstrip line feed. Simulation of the impedance characteristic and radiation characteristic for the proposed antenna is carried out using commercially available HFSS software. The simulated data validate measured results and shows good agreement. Proposed antenna shows an impedance bandwidth (return loss >10 dB) of 50.88% at 5.9 GHz of center frequency and 29.92% at 12.8 GHz of center frequency for lower and upper band, respectively. The 3 dB axial ratio bandwidth for lower and upper band is 26.4 and 3.0%, respectively and measured peak gain for the lower and upper band is found as 3.2 and 3.4 dBic, respectively. The proposed antenna can be suitable for wireless communication in C and Ku bands.

Keywords

Circular polarizationcompact antennadual band antennamicrostrip line feedmodified square ring slot
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 2 , March 2019 , pp. 182 - 189
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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