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Two-port miniaturized textile antenna for 5G and WLAN applications

Published online by Cambridge University Press:  21 April 2023

Pankaj Jha Open the ORCID record for Pankaj Jha [Opens in a new window] ,
Anubhav Kumar Open the ORCID record for Anubhav Kumar [Opens in a new window]  and
Asok De
Pankaj Jha*
Affiliation:
Department of Electronics and Communication Engineering, Shobhit Institute of Engineering and Technology, (NAAC ‘A’ Grade Deemed to-be- University), Meerut, Uttar Pradesh, India
Anubhav Kumar
Affiliation:
Department of Electronics and Communication Engineering, Shobhit Institute of Engineering and Technology, (NAAC ‘A’ Grade Deemed to-be- University), Meerut, Uttar Pradesh, India
Asok De
Affiliation:
Department of Electronics and Communication Engineering, Delhi Technological University (DTU), New Delhi, India
*
Correspondence author: Pankaj Jha; E-mail: [email protected]
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Abstract

A compact, two-element textile MIMO antenna is designed with enhanced isolation by using modification in the ground, open-ended slots along with shorting pins. Maximum 27.8 dB isolation is achieved in two-element antennae, where the edge-to-edge distance is kept at 0.19 λ0 which is less than the conventional half wavelength. The Y-shaped decoupling and shorting pins improve the isolation up to 14 dB and can mitigate the current moment between the two ports effectively. The open slots in the ground are enhancing the mutual impedance and shift the operating band of the antenna toward the lower frequency band and thus size miniaturization is also achieved. The textile antenna achieves a 10 dB impedance bandwidth from 4.24 to 5.38 GHz with more than 21.1 dB isolation in the entire band. The phantom wrist model and bending analysis are carried out with the textile antenna to validate the on-body effects of the antenna in wearable and 5G applications.

Keywords

Flexible antennaisolation enhancementMIMO antennatextile antennawearable antenna
Type
Antenna Design, Modelling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 15 , Special Issue 8: EuCAP 2022 Special Issue , October 2023 , pp. 1443 - 1452
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Copyright
© The Author(s), 2023. Published by Cambridge University Press in association with the European Microwave Association

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References

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