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1. WO2020068785 - POSITION VELOCITY ASSISTED CLOCK ESTIMATION

Publication Number WO/2020/068785
Publication Date 02.04.2020
International Application No. PCT/US2019/052643
International Filing Date 24.09.2019
IPC
G01S 5/02 2010.01
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
5Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
02using radio waves
G01S 19/23 2010.01
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
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 , GLONASS or GALILEO
13Receivers
23Testing, monitoring, correcting or calibrating of a receiver element
CPC
G01S 19/235
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
23Testing, monitoring, correcting or calibrating of receiver elements
235Calibration of receiver components
G01S 19/256
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
256relating to timing, e.g. time of week, code phase, timing offset
G01S 5/021
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
5Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
02using radio waves
0205Details
021Calibration, monitoring or correction
G04R 20/02
GPHYSICS
04HOROLOGY
RRADIO-CONTROLLED TIME-PIECES
20Setting the time according to the time information carried or implied by the radio signal
02the radio signal being sent by a satellite, e.g. GPS
H04W 4/023
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
4Services specially adapted for wireless communication networks; Facilities therefor
02Services making use of location information
023using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
H04W 4/027
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
4Services specially adapted for wireless communication networks; Facilities therefor
02Services making use of location information
025using location based information parameters
027using movement velocity, acceleration information
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
Inventors
  • BHATTACHARYA, Sumit
  • TUCK, David
  • BONDA, Naveen Kumar
  • FARMER, Dominic Gerard
Agents
  • HUNTER, Shane
  • HUNTER CLARK PLLC
Priority Data
16/579,32223.09.2019US
62/735,72624.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POSITION VELOCITY ASSISTED CLOCK ESTIMATION
(FR) ESTIMATION D'HORLOGE AVEC ASSISTANCE DE LA POSITION ET DE LA VITESSE
Abstract
(EN)
A method for maintaining timing accuracy in a mobile device includes: obtaining a range estimate using a signal received from a timing information source via a communication unit of the mobile device (905); obtaining position and velocity estimate information for the mobile device from a source of position and velocity information separate from the timing information source, the position and velocity estimate information being obtained from at least one sensor of the mobile device, or via a communication unit of the mobile device using a Vehicle-to-Everything wireless communication protocol, or a combination thereof (910); determining estimated clock parameters based on the position and velocity estimate information and the range estimate (915); and adjusting a clock of the mobile device based on the estimated clock parameters in response to a position-and- velocity-assisted timing uncertainty corresponding to the estimated clock parameters being below a timing uncertainty threshold (920).
(FR)
Un procédé pour maintenir une précision de synchronisation dans un dispositif mobile consiste à : obtenir une estimation de distance à l'aide d'un signal reçu d'une source d'informations de synchronisation par l'intermédiaire d'une unité de communication du dispositif mobile (905); obtenir des informations d'estimation de position et de vitesse du dispositif mobile d'une source d'informations de position et de vitesse séparée de la source d'informations de synchronisation, les informations d'estimation de position et de vitesse étant obtenues par au moins un capteur du dispositif mobile, ou par l'intermédiaire d'une unité de communication du dispositif mobile utilisant un protocole de communication sans fil de véhicule avec tout, ou une combinaison de ceux-ci (910); déterminer des paramètres d'horloge estimés sur la base des informations d'estimation de position et de vitesse et d'estimation de distance (915); et ajuster une horloge du dispositif mobile sur la base des paramètres d'horloge estimés en réponse à une incertitude de synchronisation avec assistance de la position et de la vitesse correspondant aux paramètres d'horloge estimés, inférieurs à un seuil d'incertitude de synchronisation (920).
Also published as
Latest bibliographic data on file with the International Bureau