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Multi-RIS-Enabled 3D Sidelink Positioning

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Titel: Multi-RIS-Enabled 3D Sidelink Positioning
Autoren: Chen, Hui, 1992, Zheng, Pinjun, Keskin, Musa Furkan, 1988, Al-Naffouri, Tareq Y., Wymeersch, Henk, 1976
Quelle: Reconfigurable Intelligent Sustainable Environments for 6G Wireless Networks IEEE Transactions on Wireless Communications. 23(8):8700-8716
Schlagwörter: Millimeter wave communication, 5G/6G, Channel estimation, 3D positioning, Location awareness, reconfigurable intelligent surface, Clocks, Wireless communication, Three-dimensional displays, Cramér-Rao bound, sidelink communication, Transmitters
Beschreibung: Positioning is expected to support communication and location-based services in the fifth/sixth generation (5G/6G) networks. With the advent of reflective reconfigurable intelligent surfaces (RISs), radio propagation channels can be controlled, making high-accuracy positioning and extended service coverage possible. However, the passive nature of the RIS requires a signal source such as a base station (BS), which limits the positioning service in extreme situations, such as tunnels, dense urban areas, or complicated indoor scenarios where 5G/6G BSs are not accessible. In this work, we show that with the assistance of (at least) two RISs and sidelink communication between two user equipments (UEs), the absolute positions of these UEs can be estimated in the absence of BSs. A two-stage 3D sidelink positioning algorithm is proposed, benchmarked by the derived Cramér-Rao bounds. The effects of multipath and RIS profile designs on positioning performance are evaluated, and localization analyses are performed for various scenarios. Simulation results demonstrate the promising positioning accuracy of the proposed BS-free sidelink communication system. Additionally, we propose and evaluate several solutions to eliminate potential blind areas where positioning performance is poor, such as removing clock offset via round-trip communication, adding geometrical prior or constraints, as well as introducing more RISs.
Dateibeschreibung: electronic
Zugangs-URL: https://research.chalmers.se/publication/539704
https://research.chalmers.se/publication/539704/file/539704_Fulltext.pdf
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Items – Name: Title
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  Data: Multi-RIS-Enabled 3D Sidelink Positioning
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  Data: <searchLink fieldCode="AR" term="%22Chen%2C+Hui%22">Chen, Hui</searchLink>, 1992<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Pinjun%22">Zheng, Pinjun</searchLink><br /><searchLink fieldCode="AR" term="%22Keskin%2C+Musa+Furkan%22">Keskin, Musa Furkan</searchLink>, 1988<br /><searchLink fieldCode="AR" term="%22Al-Naffouri%2C+Tareq+Y%2E%22">Al-Naffouri, Tareq Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Wymeersch%2C+Henk%22">Wymeersch, Henk</searchLink>, 1976
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  Data: <i>Reconfigurable Intelligent Sustainable Environments for 6G Wireless Networks IEEE Transactions on Wireless Communications</i>. 23(8):8700-8716
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  Data: <searchLink fieldCode="DE" term="%22Millimeter+wave+communication%22">Millimeter wave communication</searchLink><br /><searchLink fieldCode="DE" term="%225G%2F6G%22">5G/6G</searchLink><br /><searchLink fieldCode="DE" term="%22Channel+estimation%22">Channel estimation</searchLink><br /><searchLink fieldCode="DE" term="%223D+positioning%22">3D positioning</searchLink><br /><searchLink fieldCode="DE" term="%22Location+awareness%22">Location awareness</searchLink><br /><searchLink fieldCode="DE" term="%22reconfigurable+intelligent+surface%22">reconfigurable intelligent surface</searchLink><br /><searchLink fieldCode="DE" term="%22Clocks%22">Clocks</searchLink><br /><searchLink fieldCode="DE" term="%22Wireless+communication%22">Wireless communication</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+displays%22">Three-dimensional displays</searchLink><br /><searchLink fieldCode="DE" term="%22Cramér-Rao+bound%22">Cramér-Rao bound</searchLink><br /><searchLink fieldCode="DE" term="%22sidelink+communication%22">sidelink communication</searchLink><br /><searchLink fieldCode="DE" term="%22Transmitters%22">Transmitters</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Positioning is expected to support communication and location-based services in the fifth/sixth generation (5G/6G) networks. With the advent of reflective reconfigurable intelligent surfaces (RISs), radio propagation channels can be controlled, making high-accuracy positioning and extended service coverage possible. However, the passive nature of the RIS requires a signal source such as a base station (BS), which limits the positioning service in extreme situations, such as tunnels, dense urban areas, or complicated indoor scenarios where 5G/6G BSs are not accessible. In this work, we show that with the assistance of (at least) two RISs and sidelink communication between two user equipments (UEs), the absolute positions of these UEs can be estimated in the absence of BSs. A two-stage 3D sidelink positioning algorithm is proposed, benchmarked by the derived Cramér-Rao bounds. The effects of multipath and RIS profile designs on positioning performance are evaluated, and localization analyses are performed for various scenarios. Simulation results demonstrate the promising positioning accuracy of the proposed BS-free sidelink communication system. Additionally, we propose and evaluate several solutions to eliminate potential blind areas where positioning performance is poor, such as removing clock offset via round-trip communication, adding geometrical prior or constraints, as well as introducing more RISs.
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1109/TWC.2024.3353387
    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 17
        StartPage: 8700
    Subjects:
      – SubjectFull: Millimeter wave communication
        Type: general
      – SubjectFull: 5G/6G
        Type: general
      – SubjectFull: Channel estimation
        Type: general
      – SubjectFull: 3D positioning
        Type: general
      – SubjectFull: Location awareness
        Type: general
      – SubjectFull: reconfigurable intelligent surface
        Type: general
      – SubjectFull: Clocks
        Type: general
      – SubjectFull: Wireless communication
        Type: general
      – SubjectFull: Three-dimensional displays
        Type: general
      – SubjectFull: Cramér-Rao bound
        Type: general
      – SubjectFull: sidelink communication
        Type: general
      – SubjectFull: Transmitters
        Type: general
    Titles:
      – TitleFull: Multi-RIS-Enabled 3D Sidelink Positioning
        Type: main
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          Name:
            NameFull: Chen, Hui
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            NameFull: Zheng, Pinjun
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            NameFull: Keskin, Musa Furkan
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            NameFull: Al-Naffouri, Tareq Y.
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            NameFull: Wymeersch, Henk
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            – D: 01
              M: 01
              Type: published
              Y: 2024
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            – TitleFull: Reconfigurable Intelligent Sustainable Environments for 6G Wireless Networks IEEE Transactions on Wireless Communications
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