Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications
Abstract A quad-port dielectric resonator antenna (DRA) is proposed for sub-6 GHz 5G MIMO applications, featuring high isolation, dual-band operation, and enhanced efficiency. The antenna is designed using electromagnetic coupling with a triangular patch to excite the square dielectric resonators (D...
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| Language: | English |
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Nature Portfolio
2025-03-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-95040-8 |
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| author | Arpita Patel Trushit Upadhyaya Pandey Rajat Girjashankar M. V. Swati Om Prakash Kumar |
| author_facet | Arpita Patel Trushit Upadhyaya Pandey Rajat Girjashankar M. V. Swati Om Prakash Kumar |
| author_sort | Arpita Patel |
| collection | DOAJ |
| description | Abstract A quad-port dielectric resonator antenna (DRA) is proposed for sub-6 GHz 5G MIMO applications, featuring high isolation, dual-band operation, and enhanced efficiency. The antenna is designed using electromagnetic coupling with a triangular patch to excite the square dielectric resonators (DRs) at targeted resonance modes (TEx 111 and TEx 121), achieving broadband and polarization diversity. The proposed structure exhibits self-isolation above 20 dB without requiring additional decoupling structures. The use of Alumina (εr = 9.9, tanδ = 0.0001) ensures low loss, high efficiency (88.9% and 93.8%), and strong radiation performance, with peak gains of 9.12 dBi and 8.58 dBi at 3.72 GHz and 4.75 GHz, respectively. The full ground plane and optimized spatial placement further contribute to reduced mutual coupling and improved diversity performance, achieving an envelope correlation coefficient (ECC) of 0.042 and channel capacity loss (CCL) below 0.2 bits/s/Hz. The proposed antenna’s measured results align closely with simulations, confirming its suitability for high-performance 5G MIMO communication systems. |
| format | Article |
| id | doaj-art-4f94c31964da46a98abe62574dbd68b1 |
| institution | OA Journals |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-4f94c31964da46a98abe62574dbd68b12025-08-20T02:10:10ZengNature PortfolioScientific Reports2045-23222025-03-0115111910.1038/s41598-025-95040-8Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applicationsArpita Patel0Trushit Upadhyaya1Pandey Rajat Girjashankar2M. V. Swati3Om Prakash Kumar4Electronics and Communication Department, Chandubhai S. Patel Institute of Technology, Charotar University of Science & TechnologyElectronics and Communication Department, Chandubhai S. Patel Institute of Technology, Charotar University of Science & TechnologyElectronics and Communication Department, Government Engineering CollegeDepartment of Electronics and Communications Engineering, National Institute of Technology (NIT) SilcharDepartment of Electronics and Communication Engineering, Manipal Institute of Technology, Manipal Academy of Higher EducationAbstract A quad-port dielectric resonator antenna (DRA) is proposed for sub-6 GHz 5G MIMO applications, featuring high isolation, dual-band operation, and enhanced efficiency. The antenna is designed using electromagnetic coupling with a triangular patch to excite the square dielectric resonators (DRs) at targeted resonance modes (TEx 111 and TEx 121), achieving broadband and polarization diversity. The proposed structure exhibits self-isolation above 20 dB without requiring additional decoupling structures. The use of Alumina (εr = 9.9, tanδ = 0.0001) ensures low loss, high efficiency (88.9% and 93.8%), and strong radiation performance, with peak gains of 9.12 dBi and 8.58 dBi at 3.72 GHz and 4.75 GHz, respectively. The full ground plane and optimized spatial placement further contribute to reduced mutual coupling and improved diversity performance, achieving an envelope correlation coefficient (ECC) of 0.042 and channel capacity loss (CCL) below 0.2 bits/s/Hz. The proposed antenna’s measured results align closely with simulations, confirming its suitability for high-performance 5G MIMO communication systems.https://doi.org/10.1038/s41598-025-95040-8Dielectric resonator antenna (DRA)MIMO antenna5G Sub-6 GHzRectangular dielectric resonators5G technologySDG 9 |
| spellingShingle | Arpita Patel Trushit Upadhyaya Pandey Rajat Girjashankar M. V. Swati Om Prakash Kumar Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications Scientific Reports Dielectric resonator antenna (DRA) MIMO antenna 5G Sub-6 GHz Rectangular dielectric resonators 5G technology SDG 9 |
| title | Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications |
| title_full | Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications |
| title_fullStr | Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications |
| title_full_unstemmed | Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications |
| title_short | Enhanced isolation in aperture fed dielectric resonator MIMO antennas for 5G Sub 6 GHz applications |
| title_sort | enhanced isolation in aperture fed dielectric resonator mimo antennas for 5g sub 6 ghz applications |
| topic | Dielectric resonator antenna (DRA) MIMO antenna 5G Sub-6 GHz Rectangular dielectric resonators 5G technology SDG 9 |
| url | https://doi.org/10.1038/s41598-025-95040-8 |
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