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Volume 27 Issue 2
Feb.  2001
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Journal of Beijing University of Aeronautics and Astronautics  > 2001  >  27(2): 161-163.
HUANG Ji-xun, ZHOU Li-xian, FAN Yue-zuet al. General RAIM Algorithm Based on Aiding of Receiver Clock Bias[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(2): 161-163. (in Chinese)
Citation: HUANG Ji-xun, ZHOU Li-xian, FAN Yue-zuet al. General RAIM Algorithm Based on Aiding of Receiver Clock Bias[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(2): 161-163. (in Chinese)
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General RAIM Algorithm Based on Aiding of Receiver Clock Bias

  • Beijing University of Aeronautics and Astronautics, Dept. of Automatic Control

  • Received Date: 09 Dec 1999
  • Publish Date: 28 Feb 2001
    Abstract
  • The characters of least-squares-residuals method belonging to receiver autonomous integrity monitoring(RAIM) were analyzed. After the receiver clock bias behavior was accurately modeled using global positioning system(GPS) measurements, a new algorithm for RAIM was developed based on the least-squares-residuals method with the aiding of receiver clock bias. It can be gained through the model. The novelty lies in that on the condition of only four satellites in view, it can still use chi-square distribution to detect the failure satellite of GPS. So it can improve the availability of RAIM. The simulation results show that this algorithm is not only simple but also available and feasible.

     

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  • [1] 袁 信,俞济祥,陈 哲. 导航系统[M]. 北京:航空工业出版社,1993. 103~107. [2] Parkinson B W. Global positioning system:theory and applications[M].Volume Ⅱ. Washington D C:AIAA,1996. 143~164. [3] Da R, Lin C F. Failure detection and isolation structure for global positioning system autonomous integrity monitoring[J]. Journal of Guidance Control and Dynamics,1995,18(2):291~297. [4] Parkinson B W, Axelrad P. Autonomous GPS integrity monitoring using the pseudorange residual[J]. Navigation, 1998, 35(2):255~274. [5] Misra P, Pratt M, Muchnik R,et al. A general RAIM algorithm based on receiver clock. In:Proceedings of ION GPS Proceedings of the 1995 8th International Technical Meeting of the Satellite Division of the Institute of Navigation. :Institute of Navigation,1995. 1941~1948.
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