FR3066027B1 - Procede de positionnement par gnss - Google Patents

Procede de positionnement par gnss Download PDF

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Publication number
FR3066027B1
FR3066027B1 FR1753907A FR1753907A FR3066027B1 FR 3066027 B1 FR3066027 B1 FR 3066027B1 FR 1753907 A FR1753907 A FR 1753907A FR 1753907 A FR1753907 A FR 1753907A FR 3066027 B1 FR3066027 B1 FR 3066027B1
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France
Prior art keywords
biases
distances
basis
gnss receiver
pseudo
Prior art date
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FR1753907A
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English (en)
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FR3066027A1 (fr
Inventor
Francois-Xavier Marmet
Willy Vigneau
Mohamed Sahmoudi
Julien Lesouple
Jean-Yves Tourneret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National dEtudes Spatiales CNES
Centre National de la Recherche Scientifique CNRS
Institut National Polytechnique de Toulouse INPT
Institut Superieur de lAeronautique et de lEspace
M3 Systems SAS
Original Assignee
Centre National dEtudes Spatiales CNES
Centre National de la Recherche Scientifique CNRS
Institut National Polytechnique de Toulouse INPT
Institut Superieur de lAeronautique et de lEspace
M3 Systems SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Centre National dEtudes Spatiales CNES, Centre National de la Recherche Scientifique CNRS, Institut National Polytechnique de Toulouse INPT, Institut Superieur de lAeronautique et de lEspace, M3 Systems SAS filed Critical Centre National dEtudes Spatiales CNES
Priority to FR1753907A priority Critical patent/FR3066027B1/fr
Publication of FR3066027A1 publication Critical patent/FR3066027A1/fr
Application granted granted Critical
Publication of FR3066027B1 publication Critical patent/FR3066027B1/fr
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/22—Multipath-related issues

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Navigation (AREA)

Abstract

Le procédé de positionnement comprend l'estimation d'un ensemble de biais multitrajets sur la base d'un modèle théorique des écarts entre les pseudo-distances mesurées et les pseudo-distances estimées. Le modèle comprend un terme de géométrie dépendant de la position du récepteur GNSS et des émetteurs GNSS et un terme additif représentant l'ensemble desdits biais. Les inconnues du modèle comprennent la position courante du récepteur GNSS et lesdits biais. L'estimation des biais repose sur une minimisation des résidus entre les écarts et le modèle théorique, en fonction des inconnues, sous la contrainte que l'ensemble des biais doit être parcimonieux. Les pseudo-distances mesurées sont corrigées sur base des biais estimés et une position courante du récepteur GNSS est prédite sur la base des pseudo-distances mesurées ainsi corrigées. L'invention permet de réduire l'impact des multi-trajets sur la solution de positionnement et donc d'en améliorer l'exactitude.
FR1753907A 2017-05-03 2017-05-03 Procede de positionnement par gnss Active FR3066027B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1753907A FR3066027B1 (fr) 2017-05-03 2017-05-03 Procede de positionnement par gnss

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1753907A FR3066027B1 (fr) 2017-05-03 2017-05-03 Procede de positionnement par gnss
FR1753907 2017-05-03

Publications (2)

Publication Number Publication Date
FR3066027A1 FR3066027A1 (fr) 2018-11-09
FR3066027B1 true FR3066027B1 (fr) 2020-07-31

Family

ID=59811423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1753907A Active FR3066027B1 (fr) 2017-05-03 2017-05-03 Procede de positionnement par gnss

Country Status (1)

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FR (1) FR3066027B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11187534B2 (en) * 2019-08-22 2021-11-30 Aptiv Technologies Limited System and method for GNSS reflective surface mapping and position fix estimation
FR3136285B1 (fr) 2022-06-02 2024-04-26 Commissariat Energie Atomique Procédé de localisation d'une unité de navigation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9007260B2 (en) * 2010-11-22 2015-04-14 The Charles Stark Draper Laboratory, Inc. Coded filter

Also Published As

Publication number Publication date
FR3066027A1 (fr) 2018-11-09

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