Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications

Due to the global growth in popularity of Fifth Generation (5G) cellular communications, the demand for shielding against it has risen for a variety of applications, mainly related to cybersecurity but also to isolation, calm areas and so on. This research paper aims to provide a suitable dual-band...

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Autores principales: Bram Decoster, Stephanie Maes, Iñigo Cuiñas, Manuel García Sánchez, Rafael Caldeirinha, Jo Verhaevert
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
Materias:
FSS
5G
Acceso en línea:https://doaj.org/article/4e68f9db132d4f7994dd2438d8e88395
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spelling oai:doaj.org-article:4e68f9db132d4f7994dd2438d8e883952021-11-25T17:25:37ZDual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications10.3390/electronics102228802079-9292https://doaj.org/article/4e68f9db132d4f7994dd2438d8e883952021-11-01T00:00:00Zhttps://www.mdpi.com/2079-9292/10/22/2880https://doaj.org/toc/2079-9292Due to the global growth in popularity of Fifth Generation (5G) cellular communications, the demand for shielding against it has risen for a variety of applications, mainly related to cybersecurity but also to isolation, calm areas and so on. This research paper aims to provide a suitable dual-band fractal FSS (Frequency Selective Surface) for the 5G lower band frequencies: 750 MHz and 3.5 GHz. The unit cell is in the shape of a bow tie, where each of the triangular parts are Sierpiński triangles. One major addition to the unit cell is a central metal strip to make the manufacturing of the FSS more feasible and to tune the operation frequencies and bandwidths. As with each different stage of a fractal antenna, the different stages of the fractal FSS design behave differently. For this application, stage 2 is sufficient, as we are able to cover frequency bands among those included in the FR1 5G spectrum. Some equations were derived using linear regression in order to provide specific design tools for building an FSS. These equations have high accuracy and can be used to adapt the proposed design to other frequencies. Some other parameters, which are not represented in the aforementioned equations, can also be adjusted for minor tweaking of the final design. This design performs well except under large incidence angles. This should be taken into account when proposing the installation of a structure based on it. A good agreement between simulation and measurement results is observed.Bram DecosterStephanie MaesIñigo CuiñasManuel García SánchezRafael CaldeirinhaJo VerhaevertMDPI AGarticleFSS5GSierpiński dipoleCST Microwave StudiofractalsSierpiński triangleElectronicsTK7800-8360ENElectronics, Vol 10, Iss 2880, p 2880 (2021)
institution DOAJ
collection DOAJ
language EN
topic FSS
5G
Sierpiński dipole
CST Microwave Studio
fractals
Sierpiński triangle
Electronics
TK7800-8360
spellingShingle FSS
5G
Sierpiński dipole
CST Microwave Studio
fractals
Sierpiński triangle
Electronics
TK7800-8360
Bram Decoster
Stephanie Maes
Iñigo Cuiñas
Manuel García Sánchez
Rafael Caldeirinha
Jo Verhaevert
Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications
description Due to the global growth in popularity of Fifth Generation (5G) cellular communications, the demand for shielding against it has risen for a variety of applications, mainly related to cybersecurity but also to isolation, calm areas and so on. This research paper aims to provide a suitable dual-band fractal FSS (Frequency Selective Surface) for the 5G lower band frequencies: 750 MHz and 3.5 GHz. The unit cell is in the shape of a bow tie, where each of the triangular parts are Sierpiński triangles. One major addition to the unit cell is a central metal strip to make the manufacturing of the FSS more feasible and to tune the operation frequencies and bandwidths. As with each different stage of a fractal antenna, the different stages of the fractal FSS design behave differently. For this application, stage 2 is sufficient, as we are able to cover frequency bands among those included in the FR1 5G spectrum. Some equations were derived using linear regression in order to provide specific design tools for building an FSS. These equations have high accuracy and can be used to adapt the proposed design to other frequencies. Some other parameters, which are not represented in the aforementioned equations, can also be adjusted for minor tweaking of the final design. This design performs well except under large incidence angles. This should be taken into account when proposing the installation of a structure based on it. A good agreement between simulation and measurement results is observed.
format article
author Bram Decoster
Stephanie Maes
Iñigo Cuiñas
Manuel García Sánchez
Rafael Caldeirinha
Jo Verhaevert
author_facet Bram Decoster
Stephanie Maes
Iñigo Cuiñas
Manuel García Sánchez
Rafael Caldeirinha
Jo Verhaevert
author_sort Bram Decoster
title Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications
title_short Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications
title_full Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications
title_fullStr Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications
title_full_unstemmed Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications
title_sort dual-band single-layer fractal frequency selective surface for 5g applications
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/4e68f9db132d4f7994dd2438d8e88395
work_keys_str_mv AT bramdecoster dualbandsinglelayerfractalfrequencyselectivesurfacefor5gapplications
AT stephaniemaes dualbandsinglelayerfractalfrequencyselectivesurfacefor5gapplications
AT inigocuinas dualbandsinglelayerfractalfrequencyselectivesurfacefor5gapplications
AT manuelgarciasanchez dualbandsinglelayerfractalfrequencyselectivesurfacefor5gapplications
AT rafaelcaldeirinha dualbandsinglelayerfractalfrequencyselectivesurfacefor5gapplications
AT joverhaevert dualbandsinglelayerfractalfrequencyselectivesurfacefor5gapplications
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