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Cited by 24Antenna Design and AnalysisMicrowave Engineering and WaveguidesAdvanced Antenna and Metasurface Technologies

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Millimeter-Wave Array Antennas Using Broadband 3D Folded Strip Elements for B5G/6G Communications

Xu, Jun, Xia, Xiaoyue, Luk, Kwai-Man, Hong, Wei·2022·IEEE Transactions on Antennas and Propagation
DOI 10.1109/tap.2022.3213422
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Abstract

Linearly polarized (LP) circularly polarized (CP) array antennas using broadband 3D folded strip elements which can easily realize diverse polarizations in millimeter-wave (mm-Wave) band are developed. The operating principles, analyses, and corresponding design processes of the proposed LP and CP 3D folded strip elements are provided. Both of these two different polarized elements are excited by slot coupling using a microstrip line laid on an ultrathin (i.e., 0.127 mm) substrate, contributing to the possibility of straightforward integration with mm-Wave front-end circuits. It indicates that the impedance bandwidths ($\vert S_{11}\vert < -10$dB) of the LP and CP elements are 51% (27–45.5 GHz) and 54% (30–50 GHz), respectively. The axial ratio bandwidth of the CP element is 51.1%. Both of the LP and CP elements can be easily expended into a corporate-fed array, and design considerations concerning the array performance are also provided. Prototypes of$2\times $2 LP,$4\times $4 LP, and$2\times2$CP array antennas are designed, fab- ricated, and measured. Convincing experimental results validate the correctness of these designs. The exhibited performance metrics make the proposed array antennas good candidates for fifth-generation (5G)-beyond (B5G) and 6G mm-Wave communications.

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Metadata

Authors
Xu, J., Xia, X., Luk, K.-M., & Hong, W.
Affiliations
  • City University of Hong Kong (HK)
  • State Key Laboratory of Millimeter Waves (CN)
ORCID
Venue
IEEE Transactions on Antennas and Propagation
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2022-12
Volume
70
Issue
12
Pages
11569-11581
ISSN
  • 0018-926X (ISSN-L)
  • 1558-2221
DOI
10.1109/tap.2022.3213422
OpenAlex
W4312214634
Cited by
24
References
0
Citations by year
2026: 2 · 2025: 7 · 2024: 10 · 2023: 5
FWCI
2.45
Type
journal article
Language
en
Open access
closed
Licence
Locations
IEEE Transactions on Antennas and Propagation (publishedVersion)
Funders
  • National Key Research and Development Program of China (2020YFB1804905)
  • National Natural Science Foundation of China (62188102, 61971370)
  • Fundamental Research Funds for the Central Universities (2242022R10169, 2242022k30003)
  • Zhejiang Provincial Natural Science Foundation of China (LQ21F010005)
  • Research Grants Council of the Hong Kong, SAR, China (9042674 (CityU 11217618), 9042835 (CityU 11219619))
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Antenna Design and Analysis
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Microwave Engineering and Waveguides
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Antenna and Metasurface Technologies
Keywords
wideband antenna, circular polarization, linear polarization, slot coupling, microstrip line, ultrathin substrates, beyond 5G, 6G communication, axial ratio bandwidth

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CoChat. (2026). Citation check: Millimeter-Wave Array Antennas Using Broadband 3D Folded Strip Elements for B5G/6G Communications. https://app.cochat.ai/papers/10.1109/tap.2022.3213422
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Xu, J., Xia, X., Luk, K.-M., & Hong, W. (2022). Millimeter-Wave Array Antennas Using Broadband 3D Folded Strip Elements for B5G/6G Communications. IEEE Transactions on Antennas and Propagation. https://doi.org/10.1109/tap.2022.3213422