GNSS World of China

Volume 48 Issue 4
Sep.  2023
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BAO Yachuan, YANG Menghuan, LI Jianjia, LI Jun. Overview of characteristics and development of shadowed space positioning and navigation technology[J]. GNSS World of China, 2023, 48(4): 24-29, 43. doi: 10.12265/j.gnss.2023074
Citation: BAO Yachuan, YANG Menghuan, LI Jianjia, LI Jun. Overview of characteristics and development of shadowed space positioning and navigation technology[J]. GNSS World of China, 2023, 48(4): 24-29, 43. doi: 10.12265/j.gnss.2023074
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Overview of characteristics and development of shadowed space positioning and navigation technology

doi: 10.12265/j.gnss.2023074
  • 1.

    The 54th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang 050081, China

  • 2.

    State Key Laboratory of Satellite Navigation System and Equipment Technology, Shijiazhuang 050081, China

  • Received Date: 2023-04-04
  • Accepted Date: 2023-04-04
    • Available Online: 2023-08-22
    Abstract
  • The long and narrow closed physical structures and complex channel characteristics of sheltered spaces, such as underground pipe corridors and building interiors, pose a significant challenge to high-precision positioning and navigation. This article combs and analyzes the adaptability of typical scenarios and technical means in sheltered space, and quantifies the challenges faced by high-precision navigation and positioning in sheltered space. The future development of sheltered space positioning systems is prospected, and a high-precision positioning and navigation system architecture suitable for complex environments in sheltered space is designed. The network diagram is integrated. A hybrid positioning network is built based on multimode systems such as ultra wide band (UWB), BeiDou pseudo-satellite, and near-ultrasonic positioning to achieve full scene coverage in sheltered space. Compared with currently commonly used radio positioning systems, it has achieved significant improvements in positioning accuracy, coverage performance, and other aspects.

     

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