Miniaturized spoof SPPs filter based on multiple resonators or 5G applications

Abstract This paper presents a novel and compact band-pass filter based on spoof surface plasmon polaritons (SSPPs) concept for 5G applications. In the first place, an SSPPs unit cell including L-shaped grooves and its equivalent circuit model are introduced. The obtained results from dispersion ana...

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Autores principales:	Behnam Mazdouri, Mohammad Mahdi Honari, Rashid Mirzavand
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fc6d68f3c98e4008a4a859b60eb2f8bd
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spelling	oai:doaj.org-article:fc6d68f3c98e4008a4a859b60eb2f8bd2021-11-21T12:24:02ZMiniaturized spoof SPPs filter based on multiple resonators or 5G applications10.1038/s41598-021-01944-62045-2322https://doaj.org/article/fc6d68f3c98e4008a4a859b60eb2f8bd2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01944-6https://doaj.org/toc/2045-2322Abstract This paper presents a novel and compact band-pass filter based on spoof surface plasmon polaritons (SSPPs) concept for 5G applications. In the first place, an SSPPs unit cell including L-shaped grooves and its equivalent circuit model are introduced. The obtained results from dispersion analysis shows that cut-off frequency of the cell can be considerably decreased thanks to its geometrical configuration. In the second place, a miniaturized SSPP transmission line (TL) consisting of the proposed unit cell with cut-off frequency of 29.5 GHz is designed. Two mode convertors have been employed for efficient connection between coplanar waveguides and SSPP TL. Moreover, a new method based on loading one unit cell of SSPP TL by stub resonators is proposed in order to block a specific frequency band. An equivalent circuit model for the cell with the resonators is proposed to predict rejected frequency range. Thereafter, as an example of our method, a SSPPs filter operating at 26.5–29.5 GHZ is designed by means of connecting stub resonators with different lengths to provide close resonance frequencies. The circuit model, full wave simulation, and measurement results are in a good agreement. The results of proposed groundless SSPP TL and filter structures are promising to make groundless 5G applications possible.Behnam MazdouriMohammad Mahdi HonariRashid MirzavandNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Behnam Mazdouri Mohammad Mahdi Honari Rashid Mirzavand Miniaturized spoof SPPs filter based on multiple resonators or 5G applications
description	Abstract This paper presents a novel and compact band-pass filter based on spoof surface plasmon polaritons (SSPPs) concept for 5G applications. In the first place, an SSPPs unit cell including L-shaped grooves and its equivalent circuit model are introduced. The obtained results from dispersion analysis shows that cut-off frequency of the cell can be considerably decreased thanks to its geometrical configuration. In the second place, a miniaturized SSPP transmission line (TL) consisting of the proposed unit cell with cut-off frequency of 29.5 GHz is designed. Two mode convertors have been employed for efficient connection between coplanar waveguides and SSPP TL. Moreover, a new method based on loading one unit cell of SSPP TL by stub resonators is proposed in order to block a specific frequency band. An equivalent circuit model for the cell with the resonators is proposed to predict rejected frequency range. Thereafter, as an example of our method, a SSPPs filter operating at 26.5–29.5 GHZ is designed by means of connecting stub resonators with different lengths to provide close resonance frequencies. The circuit model, full wave simulation, and measurement results are in a good agreement. The results of proposed groundless SSPP TL and filter structures are promising to make groundless 5G applications possible.
format	article
author	Behnam Mazdouri Mohammad Mahdi Honari Rashid Mirzavand
author_facet	Behnam Mazdouri Mohammad Mahdi Honari Rashid Mirzavand
author_sort	Behnam Mazdouri
title	Miniaturized spoof SPPs filter based on multiple resonators or 5G applications
title_short	Miniaturized spoof SPPs filter based on multiple resonators or 5G applications
title_full	Miniaturized spoof SPPs filter based on multiple resonators or 5G applications
title_fullStr	Miniaturized spoof SPPs filter based on multiple resonators or 5G applications
title_full_unstemmed	Miniaturized spoof SPPs filter based on multiple resonators or 5G applications
title_sort	miniaturized spoof spps filter based on multiple resonators or 5g applications
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fc6d68f3c98e4008a4a859b60eb2f8bd
work_keys_str_mv	AT behnammazdouri miniaturizedspoofsppsfilterbasedonmultipleresonatorsor5gapplications AT mohammadmahdihonari miniaturizedspoofsppsfilterbasedonmultipleresonatorsor5gapplications AT rashidmirzavand miniaturizedspoofsppsfilterbasedonmultipleresonatorsor5gapplications
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Miniaturized spoof SPPs filter based on multiple resonators or 5G applications

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