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A polarization and band reconfigurable cross-slot antenna for multiband application

Published online by Cambridge University Press:  23 May 2019

Kapil Saraswat Open the ORCID record for Kapil Saraswat [Opens in a new window]  and
A. R. Harish
Kapil Saraswat*
Affiliation:
Department of Electrical Engineering, Indian Institute of Technology, Kanpur, Uttar Pradesh, India
A. R. Harish
Affiliation:
Department of Electrical Engineering, Indian Institute of Technology, Kanpur, Uttar Pradesh, India
*
Author for correspondence: Kapil Saraswat, E-mail: Kapil@iitk.ac.in
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Abstract

A polarization and band reconfigurable cross-slot antenna for multiband applications is presented in this paper. The antenna consists of four p–i–n diodes embedded in the cross-shaped slot in a ground plane and excited by a microstrip feed line. The p–i–n diodes are placed in such a way that they produce multiple bands, with linearly and circularly polarized (CP) radiation. By switching the states of the p–i–n diodes, the sense of rotation of the electric field in CP radiation can be reconfigured. The proposed structure can be configured to produce two bands that radiate linearly polarized waves or three bands, where, two are linearly polarized and one is CP. The proposed design concepts are validated bythe CST studio suite as well as measurementsare carried out on fabricated prototypes.

Keywords

Band reconfigurable antennaPolarization reconfigurable antennacircular polarizationcross slot antennalinear polarization
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 10 , December 2019 , pp. 1054 - 1060
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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