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A decoupling structure without sacrificing antenna-element performance for 5G smartphone designs
Yi Luo1,2; Lei Zhu2; Ying Liu1; Shuxi Gong1
2022-09
Source PublicationInternational Journal of RF and Microwave Computer-Aided Engineering
ISSN1096-4290
Volume32Issue:9
Abstract

Operating frequencies and isolation are two critical parameters for 5G smartphone antennas. However, most of the existing decoupling methods will cause the unexpected variations on the performance of antenna element, such that the designers have to spend a lot of time to adjust the configuration of antenna element again and again for the purpose of maintaining the desired performance. To address this issue, a decoupling structure, which introduces another path for canceling the coupling, is proposed in this work. Such method is helpful in achieving the high isolation between two coupled antenna elements without sacrificing the radiating-mode performance and geometrical configuration of each individual antenna element. Under this method, an open-slot antenna pair operating at the sub-6 GHz band of 3.3–3.6 GHz is designed and an isolation higher than 11 dB is obtained. This decoupling method is capable of not only maintaining the original self-performance of each antenna element but also attaining good isolation between two elements. Owing to this attractive feature, the proposed method is promising for supporting the design of antenna element and decoupling structure in two separate steps, which might save a lot of time in the future design of a large array or massive MIMO.

KeywordDecoupling Operating Frequency Performance Smartphone Antenna
DOI10.1002/mmce.23258
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Interdisciplinary Applications ; Engineering, Electrical & Electronic
WOS IDWOS:000799169400001
Scopus ID2-s2.0-85130499311
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorLei Zhu; Ying Liu
Affiliation1.National Key Laboratory of Antennas and Microwave Technology, Xidian University, Xi'an, China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macao
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Yi Luo,Lei Zhu,Ying Liu,et al. A decoupling structure without sacrificing antenna-element performance for 5G smartphone designs[J]. International Journal of RF and Microwave Computer-Aided Engineering,2022,32(9).
APA Yi Luo,Lei Zhu,Ying Liu,&Shuxi Gong.(2022).A decoupling structure without sacrificing antenna-element performance for 5G smartphone designs.International Journal of RF and Microwave Computer-Aided Engineering,32(9).
MLA Yi Luo,et al."A decoupling structure without sacrificing antenna-element performance for 5G smartphone designs".International Journal of RF and Microwave Computer-Aided Engineering 32.9(2022).
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