Patent ID: 6028553
Filing Date: 2000-02-22
Classification: G01C,G08G

Abstract:
A method for dynamic route recommendation, for vehicles utilizing a traffic routing and information central and a mobile radiotelephone network for communication of said central with said vehicles, the vehicles being equipped with a navigation system, in which data is stored, which includes routes between several current positions and destinations and the vehicles being equipped as well with mobile radiotelephones sending a question to the traffic routing and information central and for receiving a response after a predetermined period of time, the method comprising the steps of:inputting a destination in the navigation system;providing a first course route recommendation from a current position to the destination by the navigation system;providing a presumed position of the vehicle after the predetermined period of time by the navigation system, provided the vehicle starts immediately and follows the first route recommendation for the predetermined period of time;transmitting the presumed position and the destination to the traffic routing and information central via the mobile radiotelephone;providing a second updated route recommendation from the presumed position to the destination by the traffic routing and information central based on actual traffic data stored in the traffic routing and information central; andtransmitting the second route recommendation to the vehicle via the mobile radiotelephone.