An on-board device includes a sensor device that detects at least one sensor detection value. Sensor information includes the at least one sensor detection value and a detection time. A mobile terminal receives the sensor information and positioning information from the on-board device. The mobile terminal includes an information synchronizer that synchronizes positioning information with the sensor information when a time difference between a time at which the positioning information is obtained and the detection time is equal to or less than a predetermined value. The positioning information includes a position obtained by a positioning information obtaining unit and the time at which the position is obtained. A movable-object position estimation unit estimates a position of a movable object based on the positioning information and the sensor information synchronized with each other by the information synchronizer.
INFORMATION COLLABORATION SYSTEM
2020-12-24
Patent
Elektronische Ressource
Englisch
IPC: | G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G01S RADIO DIRECTION-FINDING , Funkpeilung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze |
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