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Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation

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Název: Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation
Autoři: Rusan Kumar Barik, Slawomir Koziel
Zdroj: Electronics, Vol 12, Iss 9, p 2112 (2023)
Informace o vydavateli: MDPI AG
Rok vydání: 2023
Sbírka: Directory of Open Access Journals: DOAJ Articles
Témata: substrate-integrated rectangular cavity, self-triplexing, antenna, multiband, isolation, Electronics, TK7800-8360
Popis: An ultracompact self-triplexing antenna realized on a substrate-integrated rectangular cavity (SIRC) is discussed in this study. The proposed structure employs two L-shaped slots and an inverted U-shaped slot to radiate at three independent operating frequency bands. Three 50-ohm microstrip feed lines were used to excite the radiation in these slots. The operating frequency was individually tuned using the slot size. The slot placement and size were designed having in mind considering obtaining one or more frequency bands below the SIRC cutoff frequency, which had the advantage of enabling an ultracompact size. High port isolation was achieved by applying one of the ports orthogonally to the two remaining ones, which created a weak cross-coupling channel. A lumped-circuit model was created to examine the antenna operation. The presented design has been prototyped and experimentally validated with the measured operating frequencies of 1.92 GHz, 4.43 GHz, and 5.25 GHz for GSM, 5G, and WLAN applications, respectively. The port isolations are better than 32.4 dB according to both EM simulations and measurements. Meanwhile, the measured realized gain of the antenna is better than 4.3 dBi at all bands.
Druh dokumentu: article in journal/newspaper
Jazyk: English
Relation: https://www.mdpi.com/2079-9292/12/9/2112; https://doaj.org/toc/2079-9292; https://doaj.org/article/d71301aa5cb04d2996376e90d861f7ce
DOI: 10.3390/electronics12092112
Dostupnost: https://doi.org/10.3390/electronics12092112
https://doaj.org/article/d71301aa5cb04d2996376e90d861f7ce
Přístupové číslo: edsbas.E99C73A4
Databáze: BASE
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  – Url: https://doi.org/10.3390/electronics12092112#
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  Data: Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation
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  Data: <searchLink fieldCode="AR" term="%22Rusan+Kumar+Barik%22">Rusan Kumar Barik</searchLink><br /><searchLink fieldCode="AR" term="%22Slawomir+Koziel%22">Slawomir Koziel</searchLink>
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  Data: Electronics, Vol 12, Iss 9, p 2112 (2023)
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  Data: MDPI AG
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  Label: Publication Year
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  Data: 2023
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  Data: Directory of Open Access Journals: DOAJ Articles
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  Data: <searchLink fieldCode="DE" term="%22substrate-integrated+rectangular+cavity%22">substrate-integrated rectangular cavity</searchLink><br /><searchLink fieldCode="DE" term="%22self-triplexing%22">self-triplexing</searchLink><br /><searchLink fieldCode="DE" term="%22antenna%22">antenna</searchLink><br /><searchLink fieldCode="DE" term="%22multiband%22">multiband</searchLink><br /><searchLink fieldCode="DE" term="%22isolation%22">isolation</searchLink><br /><searchLink fieldCode="DE" term="%22Electronics%22">Electronics</searchLink><br /><searchLink fieldCode="DE" term="%22TK7800-8360%22">TK7800-8360</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: An ultracompact self-triplexing antenna realized on a substrate-integrated rectangular cavity (SIRC) is discussed in this study. The proposed structure employs two L-shaped slots and an inverted U-shaped slot to radiate at three independent operating frequency bands. Three 50-ohm microstrip feed lines were used to excite the radiation in these slots. The operating frequency was individually tuned using the slot size. The slot placement and size were designed having in mind considering obtaining one or more frequency bands below the SIRC cutoff frequency, which had the advantage of enabling an ultracompact size. High port isolation was achieved by applying one of the ports orthogonally to the two remaining ones, which created a weak cross-coupling channel. A lumped-circuit model was created to examine the antenna operation. The presented design has been prototyped and experimentally validated with the measured operating frequencies of 1.92 GHz, 4.43 GHz, and 5.25 GHz for GSM, 5G, and WLAN applications, respectively. The port isolations are better than 32.4 dB according to both EM simulations and measurements. Meanwhile, the measured realized gain of the antenna is better than 4.3 dBi at all bands.
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  Data: https://www.mdpi.com/2079-9292/12/9/2112; https://doaj.org/toc/2079-9292; https://doaj.org/article/d71301aa5cb04d2996376e90d861f7ce
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  Data: 10.3390/electronics12092112
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  Data: https://doi.org/10.3390/electronics12092112<br />https://doaj.org/article/d71301aa5cb04d2996376e90d861f7ce
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      – SubjectFull: self-triplexing
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