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Circular polarized two-element textile antenna with high isolation and polarization diversity for wearable applications

Published online by Cambridge University Press:  14 March 2022

Anubhav Kumar Open the ORCID record for Anubhav Kumar [Opens in a new window] ,
Asok De  and
R. K. Jain
Anubhav Kumar*
Affiliation:
Department of Electronics and Communication Engineering, Shobhit Institute of Engineering and Technology, (Deemed to be University), Meerut, Uttar Pradesh, India
Asok De
Affiliation:
Delhi Technological University (DTU), New Delhi, India
R. K. Jain
Affiliation:
Department of Electronics and Communication Engineering, Shobhit Institute of Engineering and Technology, (Deemed to be University), Meerut, Uttar Pradesh, India
*
Author for correspondence: Anubhav Kumar, E-mail: rajput.anubhav@gmail.com
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Abstract

A two-element textile antenna with high isolation and polarization diversity is presented for 5 G communications, wearable technology and biomedical cancer detection applications. The flexible material is used with an orthogonally placed microstrip-feed radiator antenna responsible for polarization diversity. High isolation and low correlation are achieved between antenna elements with defected ground-based on diagonal and open-stubs, which perturbs the surface current and facilitates the achievement of circular polarization. The 10 dB impedance bandwidth (|S11|) of a two-element antenna varies from 3.3 to 4.3 GHz with more than 24 dB isolation (|S21|). The envelope correlation coefficient (ECC) and channel capacity loss (CCL) of multi-input and multi-output (MIMO) antenna parameters are less than 0.2 and 0.35 bits/s/Hz respectively, which validates the diversity performance of the antenna.

Keywords

5 G communicationscircularly polarized antennamulti-input and multi-output (MIMO) antennawearable application
Type
Antenna Design, Modeling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 15 , Issue 3 , April 2023 , pp. 493 - 501
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Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press in association with the European Microwave Association

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