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Isolation Improvement in MIMO Antenna with a Simple Hybrid Technique of Orthogonal and Inverse Currents
Abstract
This paper presents a compact high-isolation multiple-input multiple-output (MIMO) antenna developed using a hybrid approach. The proposed technique combines induced orthogonal currents and self-inverse currents to enhance the antenna's performance. Orthogonal currents are generated by strategically etching open slots on the antenna patches, while self-inverse currents are introduced by integration of annular vias. By carefully adjusting the radius and position of the annular vias and optimizing the patch geometry, the design achieves optimal resonance frequency alignment and signicantly improved isolation. The fabricated prototype exhibits an exceptional isolation of 55 dB at 5.75 GHz, accompanied by a realized gain of 6.7 dB. Measured radiation patterns in the ϕ = 0◦ and ϕ = 90◦ planes show excellent agreement with simulated results. The proposed low-prole antenna design has a substantial potential for enhancing MIMO applications in contemporary wireless communication systems.
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Authors (3)
-
Manzoor Elahi
-
Leifur Leifsson
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
no. 188,
ISSN: 1434-8411 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Elahi M., Kozieł S., Leifsson L.: Isolation Improvement in MIMO Antenna with a Simple Hybrid Technique of Orthogonal and Inverse Currents// AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS -Vol. 188, (2024), s.1-9
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.aeue.2024.155576
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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