Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications

Abstract Circularly polarised multiple‐input‐output antennas embedded in wearable wireless devices attract importance in the individual security and beauty fabric modelling industry involving technology embedded on‐clothes wearables. A circularly polarised wideband is designed and analysed in the pr...

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Autores principales:	Pillalamarri Laxman, Anuj Jain
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	antenna bending behaviour defected‐ground isolation mirror‐image antennas ms‐strip Telecommunication TK5101-6720
Acceso en línea:	https://doaj.org/article/446ca4b229f94a3f9217562f06a1a057
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spelling	oai:doaj.org-article:446ca4b229f94a3f9217562f06a1a0572021-12-01T12:26:48ZWideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications2043-63942043-638610.1049/wss2.12032https://doaj.org/article/446ca4b229f94a3f9217562f06a1a0572021-12-01T00:00:00Zhttps://doi.org/10.1049/wss2.12032https://doaj.org/toc/2043-6386https://doaj.org/toc/2043-6394Abstract Circularly polarised multiple‐input‐output antennas embedded in wearable wireless devices attract importance in the individual security and beauty fabric modelling industry involving technology embedded on‐clothes wearables. A circularly polarised wideband is designed and analysed in the present design‐study where a wearable application uses a multiple‐input‐output. It adds 2 symmetric ‘Multi‐Input‐Multi‐Output’ antennas that are good looking design like a swan‐shaped, and the ground plane is similar to the shape of a swan. The designed novel antenna comprises a ground plane having a line feed and a rectangular inverted L‐type micro‐strip which is supporting circular polarisation. The antenna element is spanning at 3‐DeciBell (dB) Axial Ratio Band‐Width of 5.2–7.1 GHz and an impedance bandwidth (S11 less than or equal to −10 dB) of 3.6–13 GHz. The proposed antenna manifesting a channel capacity loss less than 0.2 b/s/Hz, and envelope correlation coefficient less than the value 0.02, total active reflective coefficient less than −10 dB, and diversity gain greater than the value of 9.96, Mean Effective Gain (also represented as MEG) ratio is within ±0.5 dB. There is a twin‐sense circular polarisation in this antenna and superior isolation between resonating elements (greater than 18). The proposed antenna for human tissues specimens is also discussed with its specific absorption rate (also pronounced as SAR) in different situations that pertain to the living body. The overall size of the proposed ‘Circularly Polarised’ textile ‘Multi‐Input‐Multi‐Output’ antenna is 34:5 × 42 × 1 mm3. Because of its textile layers, reasonable performance, and compact size, the designed ‘Multi‐Input‐Multi‐Output’ antenna may be useful for wearable applications. The presented novel antenna can be made unrecognisable with a beautiful swan‐shaped design that can simply comingle with the other designs of fabric (in the fashion dress). The simulated antenna was made‐up following regular and general manual techniques and verified in the proposed conditions. The corner‐to‐corner distance between the ‘Multi‐Input‐Multi‐Output’ antennas is 14.2 mm, and the achieved isolation is beyond 18 dB after suitable adjustments of the designed final antenna.Pillalamarri LaxmanAnuj JainWileyarticleantennabending behaviourdefected‐groundisolationmirror‐image antennasms‐stripTelecommunicationTK5101-6720ENIET Wireless Sensor Systems, Vol 11, Iss 6, Pp 259-274 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	antenna bending behaviour defected‐ground isolation mirror‐image antennas ms‐strip Telecommunication TK5101-6720
spellingShingle	antenna bending behaviour defected‐ground isolation mirror‐image antennas ms‐strip Telecommunication TK5101-6720 Pillalamarri Laxman Anuj Jain Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications
description	Abstract Circularly polarised multiple‐input‐output antennas embedded in wearable wireless devices attract importance in the individual security and beauty fabric modelling industry involving technology embedded on‐clothes wearables. A circularly polarised wideband is designed and analysed in the present design‐study where a wearable application uses a multiple‐input‐output. It adds 2 symmetric ‘Multi‐Input‐Multi‐Output’ antennas that are good looking design like a swan‐shaped, and the ground plane is similar to the shape of a swan. The designed novel antenna comprises a ground plane having a line feed and a rectangular inverted L‐type micro‐strip which is supporting circular polarisation. The antenna element is spanning at 3‐DeciBell (dB) Axial Ratio Band‐Width of 5.2–7.1 GHz and an impedance bandwidth (S11 less than or equal to −10 dB) of 3.6–13 GHz. The proposed antenna manifesting a channel capacity loss less than 0.2 b/s/Hz, and envelope correlation coefficient less than the value 0.02, total active reflective coefficient less than −10 dB, and diversity gain greater than the value of 9.96, Mean Effective Gain (also represented as MEG) ratio is within ±0.5 dB. There is a twin‐sense circular polarisation in this antenna and superior isolation between resonating elements (greater than 18). The proposed antenna for human tissues specimens is also discussed with its specific absorption rate (also pronounced as SAR) in different situations that pertain to the living body. The overall size of the proposed ‘Circularly Polarised’ textile ‘Multi‐Input‐Multi‐Output’ antenna is 34:5 × 42 × 1 mm3. Because of its textile layers, reasonable performance, and compact size, the designed ‘Multi‐Input‐Multi‐Output’ antenna may be useful for wearable applications. The presented novel antenna can be made unrecognisable with a beautiful swan‐shaped design that can simply comingle with the other designs of fabric (in the fashion dress). The simulated antenna was made‐up following regular and general manual techniques and verified in the proposed conditions. The corner‐to‐corner distance between the ‘Multi‐Input‐Multi‐Output’ antennas is 14.2 mm, and the achieved isolation is beyond 18 dB after suitable adjustments of the designed final antenna.
format	article
author	Pillalamarri Laxman Anuj Jain
author_facet	Pillalamarri Laxman Anuj Jain
author_sort	Pillalamarri Laxman
title	Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications
title_short	Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications
title_full	Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications
title_fullStr	Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications
title_full_unstemmed	Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications
title_sort	wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless uwb applications
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/446ca4b229f94a3f9217562f06a1a057
work_keys_str_mv	AT pillalamarrilaxman widebandcircularlypolarisedantennamultiinputmultioutputforwirelessuwbapplications AT anujjain widebandcircularlypolarisedantennamultiinputmultioutputforwirelessuwbapplications
_version_	1718405169886003200

Wideband circularly polarised antenna ‘multi‐input‐multi‐output’ for wireless UWB applications

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