GNSS World of China

Volume 46 Issue 2
Apr.  2021
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CUI Zhiying, YUE Fuzhan, TIAN Run, ZHANG Shuangna. Research on positioning technology based on Iridium burst signal[J]. GNSS World of China, 2021, 46(2): 77-85. doi: 10.12265/j.gnss.2020121503
Citation: CUI Zhiying, YUE Fuzhan, TIAN Run, ZHANG Shuangna. Research on positioning technology based on Iridium burst signal[J]. GNSS World of China, 2021, 46(2): 77-85. doi: 10.12265/j.gnss.2020121503
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Research on positioning technology based on Iridium burst signal

doi: 10.12265/j.gnss.2020121503

  • Space Star Technology Co., LTD., Beijing 100095, China

  • Received Date: 2020-12-15
    Available Online: 2021-04-28
  • Publish Date: 2021-05-13
    Abstract
  • Global Navigation Satellite System (GNSS) has weak landing signal and is vulnerable to interference, etc., while low-orbit satellite system has gradually become a research hotspot in the navigation field due to its high landing power, low signal space loss and good Doppler characteristics. Iridium is the only low orbit satellite system that has achieved global coverage. Its satellite time and location(STL) capabilities are mainly for the US military. The specific signal system and processing technology have not been publicly released. Through in-depth study and analysis of Iridium STL burst signal system, this paper proposes to realize non-cooperative navigation and positioning by using STL burst signal, and completes the verification of positioning algorithm by receiving STL burst signal. The result shows that the proposed algorithm can achieve positioning accuracy better than 100 m. The research results can provide a theoretical basis for the construction of China’s low-orbit navigation system and effectively promote the sustainable development of the next generation of satellite navigation system.

     

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