Real-time multi-GNSS single-frequency precise point positioning

Peter F. de Bakker, Christian C.J.M. Tiberius

Research output: Contribution to journalArticleScientificpeer-review

36 Citations (Scopus)
44 Downloads (Pure)

Abstract

Precise Point Positioning (PPP) is a popular Global Positioning System (GPS) processing strategy, thanks to its high precision without requiring additional GPS infrastructure. Single-Frequency PPP (SF-PPP) takes this one step further by no longer relying on expensive dual-frequency GPS receivers, while maintaining a relatively high positioning accuracy. The use of GPS-only SF-PPP for lane identification and mapping on a motorway has previously been demonstrated successfully. However, the performance was shown to depend strongly on the number of available satellites, limiting the application of SF-PPP to relatively open areas. We investigate whether the applicability can be extended by moving from using only GPS to using multiple Global Navigation Satellite Systems (GNSS). Next to GPS, the Russian GLONASS system is at present the only fully functional GNSS and was selected for this reason. We introduce our approach to multi-GNSS SF-PPP and demonstrate its performance by means of several experiments. Results show that multi-GNSS SF-PPP indeed outperforms GPS-only SF-PPP in particular in case of reduced sky visibility.

Original languageEnglish
Pages (from-to)1791-1803
Number of pages13
JournalGPS Solutions
Volume21
Issue number4
DOIs
Publication statusPublished - 25 Jul 2017

Keywords

  • Automotive
  • GLONASS
  • GPS
  • Lane identification
  • Low cost
  • Multi-GNSS
  • Precise point positioning
  • Single frequency

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