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Journal of Projectiles, Rockets, Missiles and Guidance >

2011 , Vol. 31 >Issue 6: 199 - 202

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2011.06.006

CORRELATION TECHNOLOGY

The Research on Failure Detection of Parity Vector RAIM Algorithm

  • PENG Xingzhao ,
  • HUANG Guorong ,
  • GUO Chuang ,
  • CHENG Hongbing
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  • The Engineering Institute, Air Force Engineering University, Xi'an 710038, China

Received date: 2011-03-12

  Online published: 2025-05-30

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Abstract

As an effective method of satellite failure detection, RAIM plays an important role in GPS integrity monitoring realm. Based on the parity vector RAIM algorithm, according to the different distribution of test statistic's probability density function (PDF) in normal and failure conditions, the GPS integrity was analyzed in statistical aspect, then the relation among false alarming rate, miss detection rate and detection threshold was explainedhe. The conclusion is that when the number of visual satellites increases, the miss detection rate rather than reduces; this is a fatal defect for RAIM. Finally, the influence of pseudo range on miss detection rate was simulated.

Key words： RAIM; GPS integrity; parity vector; probability density function (PDF); miss detection rate

Cite this article

PENG Xingzhao , HUANG Guorong , GUO Chuang , CHENG Hongbing . The Research on Failure Detection of Parity Vector RAIM Algorithm[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2011 , 31(6) : 199 -202 . DOI: 10.15892/j.cnki.djzdxb.2011.06.006

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