Gain enhancement wideband CPW antenna based on artificial magnetic conductor.
| Title: | Gain enhancement wideband CPW antenna based on artificial magnetic conductor. |
|---|---|
| Authors: | AboEl-Hassan, May1 (AUTHOR) mayaboelhassan@yahoo.com, Farahat, A. E.1 (AUTHOR), Hussein, K. F. A.1 (AUTHOR) |
| Source: | Scientific Reports. 2/28/2025, Vol. 15 Issue 1, p1-27. 27p. |
| Subject Terms: | *REFLECTOR antennas, *PLANAR antennas, *MONOPOLE antennas, *FREQUENCY selective surfaces, *ANTENNAS (Electronics) |
| Abstract: | Unidirectional radiation and, hence, gain enhancement can be achieved by placing a primary radiator (simple antenna) at suitable height over a reflector to diminish back radiation and to enhance the forward radiation. The reflector used to enhance the gain is usually an electrically conducting surface (ECS) or an artificial magnetic conducting surface (AMCS). The ECS unifies the direction of radiation by reflecting the incident wave with phase shift, which requires the placement of the antenna at large enough height above the reflector to avoid destructive interference between the incident and the reflected waves. The AMCS is a metasurface constructed as periodic structure to produce reflection with 0° phase. This allows the antenna to be placed near the AMCS without destructive interference. Thus, the combined structure of the antenna and the AMCS reflector can have lower profile than that resulting in the case of employing ECS. The present work proposes a planar wideband antenna as well as an AMCS to produce unidirectional radiation with high gain over a wide frequency band. The proposed antenna is a planar octagon-shaped monopole patch with inverted U-slot and is fed through a coplanar waveguide (CPW). Both the radiating patch and the feeding line are printed on a single-sided substrate of type Rogers RT5880 of dimensions and thickness . The patch geometry is designed to maximize the radiation efficiency by cutting an inverted U-shaped slot with long base. The proposed AMCS consists of cells and has dimensions . The metallic patches of AMCS cells are printed on the top layer of a substrate of type Rogers' RO4003C of thickness . Both the proposed antenna and AMCS are fabricated for experimental evaluation of the performance of the radiating structure. It is shown by simulation and measurement that the proposed antenna when based on the proposed AMCS produces a realized gain of and total efficiency of greater than over the frequency band 3.5–6.5 GHz. [ABSTRACT FROM AUTHOR] |
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| Items | – Name: Title Label: Title Group: Ti Data: Gain enhancement wideband CPW antenna based on artificial magnetic conductor. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22AboEl-Hassan%2C+May%22">AboEl-Hassan, May</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mayaboelhassan@yahoo.com</i><br /><searchLink fieldCode="AR" term="%22Farahat%2C+A%2E+E%2E%22">Farahat, A. E.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussein%2C+K%2E+F%2E+A%2E%22">Hussein, K. F. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Scientific+Reports%22">Scientific Reports</searchLink>. 2/28/2025, Vol. 15 Issue 1, p1-27. 27p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22REFLECTOR+antennas%22">REFLECTOR antennas</searchLink><br />*<searchLink fieldCode="DE" term="%22PLANAR+antennas%22">PLANAR antennas</searchLink><br />*<searchLink fieldCode="DE" term="%22MONOPOLE+antennas%22">MONOPOLE antennas</searchLink><br />*<searchLink fieldCode="DE" term="%22FREQUENCY+selective+surfaces%22">FREQUENCY selective surfaces</searchLink><br />*<searchLink fieldCode="DE" term="%22ANTENNAS+%28Electronics%29%22">ANTENNAS (Electronics)</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Unidirectional radiation and, hence, gain enhancement can be achieved by placing a primary radiator (simple antenna) at suitable height over a reflector to diminish back radiation and to enhance the forward radiation. The reflector used to enhance the gain is usually an electrically conducting surface (ECS) or an artificial magnetic conducting surface (AMCS). The ECS unifies the direction of radiation by reflecting the incident wave with phase shift, which requires the placement of the antenna at large enough height above the reflector to avoid destructive interference between the incident and the reflected waves. The AMCS is a metasurface constructed as periodic structure to produce reflection with 0° phase. This allows the antenna to be placed near the AMCS without destructive interference. Thus, the combined structure of the antenna and the AMCS reflector can have lower profile than that resulting in the case of employing ECS. The present work proposes a planar wideband antenna as well as an AMCS to produce unidirectional radiation with high gain over a wide frequency band. The proposed antenna is a planar octagon-shaped monopole patch with inverted U-slot and is fed through a coplanar waveguide (CPW). Both the radiating patch and the feeding line are printed on a single-sided substrate of type Rogers RT5880 of dimensions and thickness . The patch geometry is designed to maximize the radiation efficiency by cutting an inverted U-shaped slot with long base. The proposed AMCS consists of cells and has dimensions . The metallic patches of AMCS cells are printed on the top layer of a substrate of type Rogers' RO4003C of thickness . Both the proposed antenna and AMCS are fabricated for experimental evaluation of the performance of the radiating structure. It is shown by simulation and measurement that the proposed antenna when based on the proposed AMCS produces a realized gain of and total efficiency of greater than over the frequency band 3.5–6.5 GHz. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Scientific Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1038/s41598-025-89622-9 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 27 StartPage: 1 Subjects: – SubjectFull: REFLECTOR antennas Type: general – SubjectFull: PLANAR antennas Type: general – SubjectFull: MONOPOLE antennas Type: general – SubjectFull: FREQUENCY selective surfaces Type: general – SubjectFull: ANTENNAS (Electronics) Type: general Titles: – TitleFull: Gain enhancement wideband CPW antenna based on artificial magnetic conductor. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: AboEl-Hassan, May – PersonEntity: Name: NameFull: Farahat, A. E. – PersonEntity: Name: NameFull: Hussein, K. F. A. IsPartOfRelationships: – BibEntity: Dates: – D: 28 M: 02 Text: 2/28/2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 20452322 Numbering: – Type: volume Value: 15 – Type: issue Value: 1 Titles: – TitleFull: Scientific Reports Type: main |
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