An information generator may generate congestion information of a road link based on a link velocity calculated for the road link. A section velocity calculator may calculate a section velocity based on a plurality of pieces of position information and time information mapped on the road link. An information generator may determine, for each mobile information device, whether the link velocity calculated for the road link will be used for generation of the congestion information. The information generator may determine whether the link velocity will be used for generation of the congestion information based on a predetermined number or more of the section velocities.
Congestion information generation device and congestion information generation method
2018-02-13
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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