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Article: Novel CMA scheme to design self-decoupled MIMO dipole pair for base-station applications

TitleNovel CMA scheme to design self-decoupled MIMO dipole pair for base-station applications
Authors
KeywordsBase station
characteristic mode analysis (CMA)
coupling
decoupling technique
isolation
self-decoupled
Issue Date1-Apr-2022
PublisherInstitute of Electrical and Electronics Engineers
Citation
IEEE Transactions on Antennas and Propagation, 2022, v. 70, n. 4, p. 2480-2489 How to Cite?
Abstract

This article presents a novel method to design multiple-input–multiple-output (MIMO) antennas based on characteristic mode analysis (CMA), which is different from using individual excitation of each characteristic mode for high isolation. The CMA is performed to design a pair of symmetric slots on two connected dipole antennas (an MIMO dipole pair), so that two desired characteristic modes can be generated at the same frequency, one of which is in common mode and the other in differential mode. Hence, when one antenna element is excited, the two characteristic modes combine and cancel each other at the other antenna element, leading to high port isolation. The designed dipole pair is applied for use in 2G/3G/4G MIMO base-station arrays. The simulation and measurement results show that the antenna achieves a wide impedance bandwidth of 1.7–2.7 GHz (45.5%), low coupling below −20 dB, low cross-polarization below −20 dB, high efficiencies over 85%, and stable radiation patterns within the entire band. The results verified the advances of the proposed decoupling method, i.e., simplicity, effectiveness, wide bandwidth, good radiation, and so on.


Persistent Identifierhttp://hdl.handle.net/10722/339787
ISSN
2023 Impact Factor: 4.6
2023 SCImago Journal Rankings: 1.794
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, Min-
dc.contributor.authorXiao, Bing-
dc.contributor.authorZhou, Changfei-
dc.contributor.authorWu, Di-
dc.contributor.authorYeung, Kwan L-
dc.contributor.authorJiang, Lijun-
dc.contributor.authorMurch, Ross-
dc.date.accessioned2024-03-11T10:39:19Z-
dc.date.available2024-03-11T10:39:19Z-
dc.date.issued2022-04-01-
dc.identifier.citationIEEE Transactions on Antennas and Propagation, 2022, v. 70, n. 4, p. 2480-2489-
dc.identifier.issn0018-926X-
dc.identifier.urihttp://hdl.handle.net/10722/339787-
dc.description.abstract<p>This article presents a novel method to design multiple-input–multiple-output (MIMO) antennas based on characteristic mode analysis (CMA), which is different from using individual excitation of each characteristic mode for high isolation. The CMA is performed to design a pair of symmetric slots on two connected dipole antennas (an MIMO dipole pair), so that two desired characteristic modes can be generated at the same frequency, one of which is in common mode and the other in differential mode. Hence, when one antenna element is excited, the two characteristic modes combine and cancel each other at the other antenna element, leading to high port isolation. The designed dipole pair is applied for use in 2G/3G/4G MIMO base-station arrays. The simulation and measurement results show that the antenna achieves a wide impedance bandwidth of 1.7–2.7 GHz (45.5%), low coupling below −20 dB, low cross-polarization below −20 dB, high efficiencies over 85%, and stable radiation patterns within the entire band. The results verified the advances of the proposed decoupling method, i.e., simplicity, effectiveness, wide bandwidth, good radiation, and so on.<br></p>-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers-
dc.relation.ispartofIEEE Transactions on Antennas and Propagation-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectBase station-
dc.subjectcharacteristic mode analysis (CMA)-
dc.subjectcoupling-
dc.subjectdecoupling technique-
dc.subjectisolation-
dc.subjectself-decoupled-
dc.titleNovel CMA scheme to design self-decoupled MIMO dipole pair for base-station applications-
dc.typeArticle-
dc.identifier.doi10.1109/TAP.2021.3118812-
dc.identifier.scopuseid_2-s2.0-85117780765-
dc.identifier.volume70-
dc.identifier.issue4-
dc.identifier.spage2480-
dc.identifier.epage2489-
dc.identifier.eissn1558-2221-
dc.identifier.isiWOS:000778971200014-
dc.identifier.issnl0018-926X-

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