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Millimeter wave Wideband and Low-loss Compact Power Divider Based on Gap Waveguide: For Use in Wideband Antenna Array System

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Titel: Millimeter wave Wideband and Low-loss Compact Power Divider Based on Gap Waveguide: For Use in Wideband Antenna Array System
Autoren: Khandani, Arefeh Kalantari, Farahbakhsh, A., Zarifi, D., Uz Zaman, Ashraf, 1975
Quelle: IEEE Access. 12:116478-116488
Schlagwörter: Millimeter wave communication, Pins, Gap waveguide, Wideband design, Impedance, mmWave, Antenna arrays, Wideband, Compact power divider, Power dividers, Ridge gap waveguide, E-plane groove gap waveguide
Beschreibung: This paper presents a wideband and low-loss design of a compact power divider based on gap waveguide technology. The proposed power divider consists of two adjacent E-plane groove gap waveguide and a small ridge section to couple and equally divide the EM energy from the input E-plane groove gap waveguide to the two output ones in-phase. The simulation results show that the proposed waveguide power divider has about 40% impedance bandwidth while its size is 0.7λ × 0.6λ at the center frequency. An 8-way power divider is designed using the proposed 2-way power divider and the back-toback configuration of the 8-way one is fabricated to investigate the performance of the proposed design. In addition, to show the application of the presented power divider, a wideband linear horn antenna array is designed and fabricated. The measured results agree well with the simulated ones and prove the excellent low-loss and wide bandwidth of the proposed power divider over the band of interest from 50-75GHz. The measured S 11 of the entire 8-way power divider remains below -10 dB level, the insertion loss is around 1 dB over the band of interest. Also, the S 11 of the horn array integrated with the 8-way feed network remains below -10 dB and the low sidelobes of the radiation pattern of the entire horn array indicates excellent phase and amplitude balance for the power divider over the entire bandwidth of interest.
Dateibeschreibung: electronic
Zugangs-URL: https://research.chalmers.se/publication/542384
https://research.chalmers.se/publication/542384/file/542384_Fulltext.pdf
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Millimeter wave Wideband and Low-loss Compact Power Divider Based on Gap Waveguide: For Use in Wideband Antenna Array System
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Khandani%2C+Arefeh+Kalantari%22">Khandani, Arefeh Kalantari</searchLink><br /><searchLink fieldCode="AR" term="%22Farahbakhsh%2C+A%2E%22">Farahbakhsh, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Zarifi%2C+D%2E%22">Zarifi, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Uz+Zaman%2C+Ashraf%22">Uz Zaman, Ashraf</searchLink>, 1975
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <i>IEEE Access</i>. 12:116478-116488
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Millimeter+wave+communication%22">Millimeter wave communication</searchLink><br /><searchLink fieldCode="DE" term="%22Pins%22">Pins</searchLink><br /><searchLink fieldCode="DE" term="%22Gap+waveguide%22">Gap waveguide</searchLink><br /><searchLink fieldCode="DE" term="%22Wideband+design%22">Wideband design</searchLink><br /><searchLink fieldCode="DE" term="%22Impedance%22">Impedance</searchLink><br /><searchLink fieldCode="DE" term="%22mmWave%22">mmWave</searchLink><br /><searchLink fieldCode="DE" term="%22Antenna+arrays%22">Antenna arrays</searchLink><br /><searchLink fieldCode="DE" term="%22Wideband%22">Wideband</searchLink><br /><searchLink fieldCode="DE" term="%22Compact+power+divider%22">Compact power divider</searchLink><br /><searchLink fieldCode="DE" term="%22Power+dividers%22">Power dividers</searchLink><br /><searchLink fieldCode="DE" term="%22Ridge+gap+waveguide%22">Ridge gap waveguide</searchLink><br /><searchLink fieldCode="DE" term="%22E-plane+groove+gap+waveguide%22">E-plane groove gap waveguide</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: This paper presents a wideband and low-loss design of a compact power divider based on gap waveguide technology. The proposed power divider consists of two adjacent E-plane groove gap waveguide and a small ridge section to couple and equally divide the EM energy from the input E-plane groove gap waveguide to the two output ones in-phase. The simulation results show that the proposed waveguide power divider has about 40% impedance bandwidth while its size is 0.7λ × 0.6λ at the center frequency. An 8-way power divider is designed using the proposed 2-way power divider and the back-toback configuration of the 8-way one is fabricated to investigate the performance of the proposed design. In addition, to show the application of the presented power divider, a wideband linear horn antenna array is designed and fabricated. The measured results agree well with the simulated ones and prove the excellent low-loss and wide bandwidth of the proposed power divider over the band of interest from 50-75GHz. The measured S 11 of the entire 8-way power divider remains below -10 dB level, the insertion loss is around 1 dB over the band of interest. Also, the S 11 of the horn array integrated with the 8-way feed network remains below -10 dB and the low sidelobes of the radiation pattern of the entire horn array indicates excellent phase and amplitude balance for the power divider over the entire bandwidth of interest.
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  Data: electronic
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1109/ACCESS.2024.3441316
    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 116478
    Subjects:
      – SubjectFull: Millimeter wave communication
        Type: general
      – SubjectFull: Pins
        Type: general
      – SubjectFull: Gap waveguide
        Type: general
      – SubjectFull: Wideband design
        Type: general
      – SubjectFull: Impedance
        Type: general
      – SubjectFull: mmWave
        Type: general
      – SubjectFull: Antenna arrays
        Type: general
      – SubjectFull: Wideband
        Type: general
      – SubjectFull: Compact power divider
        Type: general
      – SubjectFull: Power dividers
        Type: general
      – SubjectFull: Ridge gap waveguide
        Type: general
      – SubjectFull: E-plane groove gap waveguide
        Type: general
    Titles:
      – TitleFull: Millimeter wave Wideband and Low-loss Compact Power Divider Based on Gap Waveguide: For Use in Wideband Antenna Array System
        Type: main
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          Name:
            NameFull: Khandani, Arefeh Kalantari
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            NameFull: Farahbakhsh, A.
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            NameFull: Zarifi, D.
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          Name:
            NameFull: Uz Zaman, Ashraf
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            – D: 01
              M: 01
              Type: published
              Y: 2024
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              Value: 12
          Titles:
            – TitleFull: IEEE Access
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