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Reconfigurable antennas with frequency, polarization, and pattern diversities for multi-radio wireless applications

Published online by Cambridge University Press:  04 June 2015

Chilukuri Sulakshana  and
Lokam Anjaneyulu
Chilukuri Sulakshana*
Affiliation:
Department of Electronics and Communication Engineering, National Institute of Technology Warangal, Warangal, A.P., India. Phone: +91 9246933895
Lokam Anjaneyulu
Affiliation:
Department of Electronics and Communication Engineering, National Institute of Technology Warangal, Warangal, A.P., India. Phone: +91 9246933895
*
Corresponding author: Ch. Sulakshana Email: sulakshana@nitw.ac.in
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Abstract

This paper presents different reconfigurable antennas with frequency, polarization, and pattern diversities. All the antennas have a very simple, novel, and compact structures, which are used for different wireless communication applications. These antennas employ switching for obtaining different reconfigurations. At first, an E-shaped antenna is designed for multi-band frequency reconfigurability. Second, circular and rectangular-shaped patch antennas are designed for achieving diversity in polarization. At last, a pattern reconfigurable antenna is designed with multiport excitation. These antenna performances are analyzed using various parameters such as return loss, radiation pattern, voltage standing wave ratio (VSWR), and gain. The prototypes of the antennas are fabricated and measured results along with simulated ones are presented. Both the results are in good agreement.

Keywords

Antennas and propagation for wireless systemsAntenna designModeling and measurements
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 1 , February 2017 , pp. 121 - 132
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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