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Spatial Bandwidth Asymptotic Analysis for 3D Large-Scale Antenna Array Communications

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Název: Spatial Bandwidth Asymptotic Analysis for 3D Large-Scale Antenna Array Communications
Autoři: Ding, Liqin, 1988, Zhang, Jiliang, Ström, Erik, 1965
Zdroj: Value-of-Information Driven Communication for Connected and Automated Transportation (VoiiComm) IEEE Transactions on Wireless Communications. 23(4):2638-2652
Témata: degree-of-freedom, Bandwidth, Wireless communication, Antenna arrays, Eigenvalues and eigenfunctions, spatial multiplexing, Large-scale antenna array, Space division multiplexing, spatial bandwidth, Frequency measurement, Three-dimensional displays
Popis: In this paper, we study the spatial bandwidth for line-of-sight (LOS) channels with linear large-scale antenna arrays (LSAAs) in 3D space. We provide approximations to the spatial bandwidth at the center of the receiving array, of the form $C R^{-B}$, where $R$ is the radial distance, and $C$ and $B$ are directional-dependent and piecewise constant in $R$. The approximations are valid in the entire radiative region, that is, for $R$ greater than a few wavelengths. When the length of the receiving array is small relative to $R$, the product of the array length and the spatial bandwidth provides an estimate of the available spatial degree-of-freedom (DOF) in the channel. In a case study, we apply these approximations to the evaluation of spatial multiplexing regions under random orientation conditions. The goodness-of-fit of the approximations is demonstrated and some interesting findings about the DOF performance of the channel under 3D and 2D orientation restrictions are obtained, e.g., that, under some conditions, it is better to constrain the receiving array orientation to be uniform over the unit circle in the 2D ground plane rather than uniform over the 3D unit sphere.
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https://research.chalmers.se/publication/537117
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Spatial Bandwidth Asymptotic Analysis for 3D Large-Scale Antenna Array Communications
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Ding%2C+Liqin%22">Ding, Liqin</searchLink>, 1988<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jiliang%22">Zhang, Jiliang</searchLink><br /><searchLink fieldCode="AR" term="%22Ström%2C+Erik%22">Ström, Erik</searchLink>, 1965
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  Label: Source
  Group: Src
  Data: <i>Value-of-Information Driven Communication for Connected and Automated Transportation (VoiiComm) IEEE Transactions on Wireless Communications</i>. 23(4):2638-2652
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22degree-of-freedom%22">degree-of-freedom</searchLink><br /><searchLink fieldCode="DE" term="%22Bandwidth%22">Bandwidth</searchLink><br /><searchLink fieldCode="DE" term="%22Wireless+communication%22">Wireless communication</searchLink><br /><searchLink fieldCode="DE" term="%22Antenna+arrays%22">Antenna arrays</searchLink><br /><searchLink fieldCode="DE" term="%22Eigenvalues+and+eigenfunctions%22">Eigenvalues and eigenfunctions</searchLink><br /><searchLink fieldCode="DE" term="%22spatial+multiplexing%22">spatial multiplexing</searchLink><br /><searchLink fieldCode="DE" term="%22Large-scale+antenna+array%22">Large-scale antenna array</searchLink><br /><searchLink fieldCode="DE" term="%22Space+division+multiplexing%22">Space division multiplexing</searchLink><br /><searchLink fieldCode="DE" term="%22spatial+bandwidth%22">spatial bandwidth</searchLink><br /><searchLink fieldCode="DE" term="%22Frequency+measurement%22">Frequency measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+displays%22">Three-dimensional displays</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: In this paper, we study the spatial bandwidth for line-of-sight (LOS) channels with linear large-scale antenna arrays (LSAAs) in 3D space. We provide approximations to the spatial bandwidth at the center of the receiving array, of the form $C R^{-B}$, where $R$ is the radial distance, and $C$ and $B$ are directional-dependent and piecewise constant in $R$. The approximations are valid in the entire radiative region, that is, for $R$ greater than a few wavelengths. When the length of the receiving array is small relative to $R$, the product of the array length and the spatial bandwidth provides an estimate of the available spatial degree-of-freedom (DOF) in the channel. In a case study, we apply these approximations to the evaluation of spatial multiplexing regions under random orientation conditions. The goodness-of-fit of the approximations is demonstrated and some interesting findings about the DOF performance of the channel under 3D and 2D orientation restrictions are obtained, e.g., that, under some conditions, it is better to constrain the receiving array orientation to be uniform over the unit circle in the 2D ground plane rather than uniform over the 3D unit sphere.
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      – Type: doi
        Value: 10.1109/TWC.2023.3301034
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      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 2638
    Subjects:
      – SubjectFull: degree-of-freedom
        Type: general
      – SubjectFull: Bandwidth
        Type: general
      – SubjectFull: Wireless communication
        Type: general
      – SubjectFull: Antenna arrays
        Type: general
      – SubjectFull: Eigenvalues and eigenfunctions
        Type: general
      – SubjectFull: spatial multiplexing
        Type: general
      – SubjectFull: Large-scale antenna array
        Type: general
      – SubjectFull: Space division multiplexing
        Type: general
      – SubjectFull: spatial bandwidth
        Type: general
      – SubjectFull: Frequency measurement
        Type: general
      – SubjectFull: Three-dimensional displays
        Type: general
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      – TitleFull: Spatial Bandwidth Asymptotic Analysis for 3D Large-Scale Antenna Array Communications
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            NameFull: Ding, Liqin
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            NameFull: Zhang, Jiliang
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            NameFull: Ström, Erik
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              M: 01
              Type: published
              Y: 2024
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          Titles:
            – TitleFull: Value-of-Information Driven Communication for Connected and Automated Transportation (VoiiComm) IEEE Transactions on Wireless Communications
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