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Research on Radio Wave Coverage of Beamforming Antennas in Train Carriage and Corridor Measurement.

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Title: Research on Radio Wave Coverage of Beamforming Antennas in Train Carriage and Corridor Measurement.
Authors: Zhang, Luyao1 (AUTHOR), Wang, Junhong1 (AUTHOR) wangjunh@bjtu.edu.cn, Zhang, Yulu1 (AUTHOR), Zheng, Wei1 (AUTHOR), Shao, Zijian1 (AUTHOR) zs9193@princeton.edu
Source: International Journal of Antennas & Propagation. 2/19/2026, Vol. 2026, p1-14. 14p.
Subjects: Finite difference time domain method, Antenna design, Radio wave propagation, Mobile communication systems, Directional antennas, Railroad cars
Abstract: In order to provide high‐quality public mobile communication in speed train, uniform radio wave coverage in the carriage must be realized. Using repeater antenna in train carriage is an effective way to meet the requirement of radio wave coverage, but traditional antenna cannot provide uniform radio wave coverage in a long‐straight space like train carriage. Therefore, in this paper, the radio wave coverage characteristics of two newly proposed beamforming antennas with unilateral and bilateral cosecant distributed radiation patterns in train carriage are investigated by the finite‐difference time‐domain (FDTD) method, and the results are compared with those of traditional antennas. The effective coverage distance is proposed to analyze the radio wave coverage ability of cosecant beamforming antenna, and the layout of cosecant beamforming antenna in the carriage and its coupling with the roof are analyzed. The corridor scene is also used to actually measure the radio wave coverage of the cosecant beamforming antenna. The results show that the cosecant beamforming antenna can achieve more stable radio wave coverage in the train carriage. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Antennas & Propagation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 191727301
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Research on Radio Wave Coverage of Beamforming Antennas in Train Carriage and Corridor Measurement.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Luyao%22">Zhang, Luyao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Junhong%22">Wang, Junhong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wangjunh@bjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yulu%22">Zhang, Yulu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Wei%22">Zheng, Wei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shao%2C+Zijian%22">Shao, Zijian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zs9193@princeton.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Antennas+%26+Propagation%22">International Journal of Antennas & Propagation</searchLink>. 2/19/2026, Vol. 2026, p1-14. 14p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Finite+difference+time+domain+method%22">Finite difference time domain method</searchLink><br /><searchLink fieldCode="DE" term="%22Antenna+design%22">Antenna design</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+wave+propagation%22">Radio wave propagation</searchLink><br /><searchLink fieldCode="DE" term="%22Mobile+communication+systems%22">Mobile communication systems</searchLink><br /><searchLink fieldCode="DE" term="%22Directional+antennas%22">Directional antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Railroad+cars%22">Railroad cars</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In order to provide high‐quality public mobile communication in speed train, uniform radio wave coverage in the carriage must be realized. Using repeater antenna in train carriage is an effective way to meet the requirement of radio wave coverage, but traditional antenna cannot provide uniform radio wave coverage in a long‐straight space like train carriage. Therefore, in this paper, the radio wave coverage characteristics of two newly proposed beamforming antennas with unilateral and bilateral cosecant distributed radiation patterns in train carriage are investigated by the finite‐difference time‐domain (FDTD) method, and the results are compared with those of traditional antennas. The effective coverage distance is proposed to analyze the radio wave coverage ability of cosecant beamforming antenna, and the layout of cosecant beamforming antenna in the carriage and its coupling with the roof are analyzed. The corridor scene is also used to actually measure the radio wave coverage of the cosecant beamforming antenna. The results show that the cosecant beamforming antenna can achieve more stable radio wave coverage in the train carriage. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Antennas & Propagation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1155/ijap/2761004
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Finite difference time domain method
        Type: general
      – SubjectFull: Antenna design
        Type: general
      – SubjectFull: Radio wave propagation
        Type: general
      – SubjectFull: Mobile communication systems
        Type: general
      – SubjectFull: Directional antennas
        Type: general
      – SubjectFull: Railroad cars
        Type: general
    Titles:
      – TitleFull: Research on Radio Wave Coverage of Beamforming Antennas in Train Carriage and Corridor Measurement.
        Type: main
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          Name:
            NameFull: Zhang, Luyao
      – PersonEntity:
          Name:
            NameFull: Wang, Junhong
      – PersonEntity:
          Name:
            NameFull: Zhang, Yulu
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            NameFull: Zheng, Wei
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            NameFull: Shao, Zijian
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          Dates:
            – D: 19
              M: 02
              Text: 2/19/2026
              Type: published
              Y: 2026
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              Value: 2026
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            – TitleFull: International Journal of Antennas & Propagation
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