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Recursive algorithms for GDOP and positioning solution in GPS

  • Qing Chang*
  • , Zhongkan Liu
  • , Qishan Zhang
  • *Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

This paper proves theoretically that GDOP decreases as the number of satellites is increased. This paper proposes two recursive algorithms for calculating the GDOP and positioning solution. These algorithms not only can recursively calculate the GDOP and positioning solution, but also is very flexible in obtaining the best four-satellite positioning solution, the best five-satellite positioning solution and the all visible satellite positioning solution according to given requirements. In the need of the two algorithms, this paper extends the definition of the GDOP to the case in which the number of visible satellites is less than 4.

Original languageEnglish
Pages (from-to)583-588
Number of pages6
JournalProceedings of the International Telemetering Conference
Volume33
StatePublished - 1997
EventProceedings of the 1997 International Telemetering Conference, ITC/USA - Las Vegas, NV, USA
Duration: 27 Oct 199730 Oct 1997

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