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Design of angular and polarization stable modified circular ring frequency selective surface for satellite communication system

Published online by Cambridge University Press:  05 March 2015

Garima Bharti ,
Kumud Ranjan Jha ,
Ghanshyam Singh  and
Rajeev Jyoti
Garima Bharti
Affiliation:
Department of Electronics and Communication Engineering, Jaypee University of Information Technology, Solan-173 234, India. Phone: +91 1792 239 334
Kumud Ranjan Jha
Affiliation:
School of Electronics and Communication Engineering, Shri Mata Vaishno Devi University, Katra-182 320, Jammu & Kashmir, India
Ghanshyam Singh*
Affiliation:
Department of Electronics and Communication Engineering, Jaypee University of Information Technology, Solan-173 234, India. Phone: +91 1792 239 334
Rajeev Jyoti
Affiliation:
Space Application Centre, Indian Space Research Organization, Ahmedabad-380 015, Gujarat, India
*
Corresponding author: G. Singh Email: [email protected]
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Abstract

In this paper, a simple synthesis technique to obtain the geometrical parameters of the modified circular ring for angular and polarizations (perpendicular and parallel) stable frequency selective surface (FSS) has been discussed. The geometrical parameters of the modified circular ring FSS structure have been achieved using the proposed synthesis technique, which is based on the equivalent circuit (EC) approach. In addition to this, the numerical analysis is also discussed to determine the values of EC parameters, which depends on the basic system level characteristics such as frequency of operation and reflection/transmission coefficients. The analytical results are supported using the full-wave three-dimensional electromagnetic (EM) simulators such as CST Microwave Studio and Ansoft HFSS. The sensitivity of the structure to the perpendicular and parallel polarized EM wave up to 50° angle-of-incidences (AOIs) has been discussed. The stability over different AOI is attributed to the appropriate thickness of the structure with its small unit-cell dimensions. We have also fabricated and experimentally tested the proposed FSS structure.

Keywords

Frequency selective surfaceBandwidthTransmission/reflection coefficientsAngle-of-incidenceAngular stability
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Special Issue 6: Signal Processing Symposium 2015 , September 2016 , pp. 899 - 907
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

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