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1. WO2020223684 - SYSTEMS AND METHODS FOR HIGH-INTEGRITY SATELLITE POSITIONING

Publication Number WO/2020/223684
Publication Date 05.11.2020
International Application No. PCT/US2020/031137
International Filing Date 01.05.2020
IPC
G01S 1/00 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO 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
1Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
H04B 7/185 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations
CPC
G01S 19/07
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
07providing data for correcting measured positioning data
G01S 19/20
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
13Receivers
20Integrity monitoring, fault detection or fault isolation of space segment
G01S 19/252
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
13Receivers
24Acquisition or tracking ; or demodulation; of signals transmitted by the system
25involving aiding data received from a cooperating element, e.g. assisted GPS
252Employing an initial estimate of location in generating assistance data
G01S 19/44
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
39the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
42Determining position
43using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
44Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method
G01S 19/49
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
39the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
42Determining position
48by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
49whereby the further system is an inertial position system, e.g. loosely-coupled
G01S 19/52
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
39the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
52Determining velocity
Applicants
  • SWIFT NAVIGATION, INC. [US]/[US]
Inventors
  • CARCANAGUE, Sébastien
  • NOBLE, Fergus, MacPherson
Agents
  • LIN, Diana
Priority Data
62/841,38001.05.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR HIGH-INTEGRITY SATELLITE POSITIONING
(FR) SYSTÈMES ET PROCÉDÉS DE POSITIONNEMENT DE SATELLITE A INTÉGRITÉ ÉLEVÉE
Abstract
(EN)
A system for estimating a receiver position with high integrity can include a remote server comprising: a reference station observation monitor configured to: receive a set of reference station observations associated with a set of reference stations, detect a predetermined event, and mitigate an effect of the predetermined event; a modeling engine configured to generate corrections; a reliability engine configured to validate the corrections; and a positioning engine comprising: an observation monitor configured to: receive a set of satellite observations from a set of global navigation satellites corresponding to at least one satellite constellation; detect a predetermined event; and mitigate an effect of the predetermined event; a carrier phase determination module configured to determine a carrier phase ambiguity of the set of satellite observations; and a position filter configured to estimate a position of the receiver.
(FR)
La présente invention concerne un système pour estimer une position de récepteur avec une intégrité élevée qui peut comprendre un serveur distant comprenant : un moniteur d'observation de station de référence configuré pour : recevoir un ensemble d'observations de station de référence associées à un ensemble de stations de référence, détecter un événement prédéfini, et atténuer un effet de l'événement prédéfini ; un moteur de modélisation configuré pour générer des corrections ; un moteur de fiabilité configuré pour valider les corrections ; et un moteur de positionnement comprenant : un moniteur d'observation configuré pour : recevoir un ensemble d'observations de satellite à partir d'un ensemble de satellites de navigation mondiale correspondant à au moins une constellation de satellites ; détecter un événement prédéfini ; et atténuer un effet de l'événement prédéfini ; un module de détermination de phase de porteuse configuré pour déterminer une ambiguïté de phase de porteuse de l'ensemble d'observations de satellite ; et un filtre de position configuré pour estimer une position du récepteur.
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