Patent ID: 9651664
Date: 2017-05-16
CPC Classifications: G01S

Claim:
1. A space based augmentation system configured to improve an accuracy and reliability of data provided by a satellite navigation system, comprising: at least one ground station for transmitting data to satellites, at least one ground station for receiving signals transmitted by at least one satellite of a navigation system and by at least one satellite equipped with transmitting/receiving means configured to transmit data received from the at least one ground transmitting station intended for a given geographical area, at least two ground computing centres, redundantly configured to respectively calculate navigation message streams and transmitting to the at least one ground transmitting station the navigation message streams and information representative of a Quality of Service provided by the system, from signals transmitted by the at least one ground receiving station, said at least two ground computing centres, the at least one ground receiving station and the at least one ground transmitting station being connected by at least one communication network, the at least one ground transmitting station being configured to select the navigation message streams of one of the at least two ground computing centres and designate that selected ground computing centre as a master computing centre according to the information representative of the respective Quality of Service of said at least two computing centres, and said computing centres being synchronized on said master computing centre.