Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures
A decoupling metamaterial (MTM) configuration based on fractal electromagnetic-bandgap (EMBG) structure is shown to significantly enhance isolation between transmitting and receiving antenna elements in a closely-packed patch antenna array. The MTM-EMBG structure is cross-shaped assembly with fracta...
| Autores: | , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2018 |
| País: | España |
| Institución: | Universidad Pública de Navarra |
| Repositorio: | Academica-e. Repositorio Institucional de la Universidad Pública de Navarra |
| OAI Identifier: | oai:academica-e.unavarra.es:2454/34679 |
| Acceso en línea: | https://hdl.handle.net/2454/34679 |
| Access Level: | acceso abierto |
| Palabra clave: | Fractal Mutual coupling Isolation enhancement Planar antennas Electromagnetic bandgap (EMBG) Metamaterial (MTM) Multiple-input-multiple-output (MIMO) Synthetic aperture radar (SAR) |
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Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structuresAlibakhshikenari, MohammadVirdee, Bal S.See, Chan H.Abd-Alhameed, RaedAli, AbdulHussein Ali, AmmarFalcone Lanas, FranciscoLimiti, ErnestoFractalMutual couplingIsolation enhancementPlanar antennasElectromagnetic bandgap (EMBG)Metamaterial (MTM)Multiple-input-multiple-output (MIMO)Synthetic aperture radar (SAR)A decoupling metamaterial (MTM) configuration based on fractal electromagnetic-bandgap (EMBG) structure is shown to significantly enhance isolation between transmitting and receiving antenna elements in a closely-packed patch antenna array. The MTM-EMBG structure is cross-shaped assembly with fractal-shaped slots etched in each arm of the cross. The fractals are composed of four interconnected-'Y-shaped' slots that are separated with an inverted-'T-shaped' slot. The MTM-EMBG structure is placed between the individual patch antennas in a 2 × 2 antenna array. Measured results show the average inter-element isolation improvement in the frequency band of interest is 17, 37 and 17 dB between radiation elements #1 & #2, #1 & #3, and #1 & #4, respectively. With the proposed method there is no need for using metallic-via-holes. The proposed array covers the frequency range of 8-9.25 GHz for X-band applications, which corresponds to a fractional-bandwidth of 14.5%. With the proposed method the edge-to-edge gap between adjacent antenna elements can be reduced to 0.5λ0 with no degradation in the antenna array's radiation gain pattern. Across the array's operating band, the measured gain varies between 4 and 7 dBi, and the radiation efficiency varies from 74.22 and 88.71%. The proposed method is applicable in the implementation of closely-packed patch antenna arrays used in SAR and MIMO systems. © 2018, The Institution of Engineering and Technology.This work was partially supported by innovation programme under grant agreement H2020-MSCA-ITN-2016 SECRET-722424 and the financial support from the UK Engineering and Physical Sciences Research Council (EPSRC) under grant EP/E022936/1.Institution of Engineering and TechnologyIngeniería Eléctrica, Electrónica y de ComunicaciónIngeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://hdl.handle.net/2454/34679reponame:Academica-e. Repositorio Institucional de la Universidad Pública de Navarrainstname:Universidad Pública de NavarraInglésinfo:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/722424© The Institution of Engineering and Technologyinfo:eu-repo/semantics/openAccessoai:academica-e.unavarra.es:2454/346792026-06-17T12:41:47Z |
| dc.title.none.fl_str_mv |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| title |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| spellingShingle |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures Alibakhshikenari, Mohammad Fractal Mutual coupling Isolation enhancement Planar antennas Electromagnetic bandgap (EMBG) Metamaterial (MTM) Multiple-input-multiple-output (MIMO) Synthetic aperture radar (SAR) |
| title_short |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| title_full |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| title_fullStr |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| title_full_unstemmed |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| title_sort |
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures |
| dc.creator.none.fl_str_mv |
Alibakhshikenari, Mohammad Virdee, Bal S. See, Chan H. Abd-Alhameed, Raed Ali, Abdul Hussein Ali, Ammar Falcone Lanas, Francisco Limiti, Ernesto |
| author |
Alibakhshikenari, Mohammad |
| author_facet |
Alibakhshikenari, Mohammad Virdee, Bal S. See, Chan H. Abd-Alhameed, Raed Ali, Abdul Hussein Ali, Ammar Falcone Lanas, Francisco Limiti, Ernesto |
| author_role |
author |
| author2 |
Virdee, Bal S. See, Chan H. Abd-Alhameed, Raed Ali, Abdul Hussein Ali, Ammar Falcone Lanas, Francisco Limiti, Ernesto |
| author2_role |
author author author author author author author |
| dc.contributor.none.fl_str_mv |
Ingeniería Eléctrica, Electrónica y de Comunicación Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren |
| dc.subject.none.fl_str_mv |
Fractal Mutual coupling Isolation enhancement Planar antennas Electromagnetic bandgap (EMBG) Metamaterial (MTM) Multiple-input-multiple-output (MIMO) Synthetic aperture radar (SAR) |
| topic |
Fractal Mutual coupling Isolation enhancement Planar antennas Electromagnetic bandgap (EMBG) Metamaterial (MTM) Multiple-input-multiple-output (MIMO) Synthetic aperture radar (SAR) |
| description |
A decoupling metamaterial (MTM) configuration based on fractal electromagnetic-bandgap (EMBG) structure is shown to significantly enhance isolation between transmitting and receiving antenna elements in a closely-packed patch antenna array. The MTM-EMBG structure is cross-shaped assembly with fractal-shaped slots etched in each arm of the cross. The fractals are composed of four interconnected-'Y-shaped' slots that are separated with an inverted-'T-shaped' slot. The MTM-EMBG structure is placed between the individual patch antennas in a 2 × 2 antenna array. Measured results show the average inter-element isolation improvement in the frequency band of interest is 17, 37 and 17 dB between radiation elements #1 & #2, #1 & #3, and #1 & #4, respectively. With the proposed method there is no need for using metallic-via-holes. The proposed array covers the frequency range of 8-9.25 GHz for X-band applications, which corresponds to a fractional-bandwidth of 14.5%. With the proposed method the edge-to-edge gap between adjacent antenna elements can be reduced to 0.5λ0 with no degradation in the antenna array's radiation gain pattern. Across the array's operating band, the measured gain varies between 4 and 7 dBi, and the radiation efficiency varies from 74.22 and 88.71%. The proposed method is applicable in the implementation of closely-packed patch antenna arrays used in SAR and MIMO systems. © 2018, The Institution of Engineering and Technology. |
| publishDate |
2018 |
| dc.date.none.fl_str_mv |
2018 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion |
| format |
article |
| status_str |
acceptedVersion |
| dc.identifier.none.fl_str_mv |
https://hdl.handle.net/2454/34679 |
| url |
https://hdl.handle.net/2454/34679 |
| dc.language.none.fl_str_mv |
Inglés |
| language_invalid_str_mv |
Inglés |
| dc.relation.none.fl_str_mv |
info:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/722424 |
| dc.rights.none.fl_str_mv |
© The Institution of Engineering and Technology info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
© The Institution of Engineering and Technology |
| eu_rights_str_mv |
openAccess |
| dc.format.none.fl_str_mv |
application/pdf |
| dc.publisher.none.fl_str_mv |
Institution of Engineering and Technology |
| publisher.none.fl_str_mv |
Institution of Engineering and Technology |
| dc.source.none.fl_str_mv |
reponame:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra instname:Universidad Pública de Navarra |
| instname_str |
Universidad Pública de Navarra |
| reponame_str |
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra |
| collection |
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra |
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1869418239327469568 |
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15,81155 |