Assisted satellite signal based positioning

G - Physics – 01 – S

Patent

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G01S 1/00 (2006.01)

Patent

CA 2663603

For assisting a satellite based positioning, parameters are received for at least one satellite. Redundant information is removed from these parameters at large. Parameters with reduced redundancy are then provided as assistance data for the satellite signal based positioning. Such parameters with reduced redundancy can be received on the other hand as assistance data for a satellite signal based positioning. The original parameters are then reconstructed by adding the removed redundant information to the received parameters. The reconstructed original parameters are used in an assisted satellite signal based positioning.

La présente invention concerne un positionnement satellitaire pour lequel des paramètres sont reçus pour au moins un satellite. De l'information redondante est supprimée de ces paramètres en grand. Des paramètres avec une redondance réduite sont alors fournis à titre de données d'assistance pour le positionnement satellitaire. De tels paramètres avec redondance réduite peuvent être reçus d'autre part à titre de données d'assistance pour un positionnement satellitaire. Les paramètres initiaux sont alors reconstruits en ajoutant l'information redondante supprimée aux paramètres reçus. Les paramètres initiaux reconstruits sont utilisés dans un positionnement satellitaire.

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