Patent ID: 8467960
Filing Date: 2013-06-18
Classification: G01C,G06Q

Abstract:
1. A computer-implemented method of operating a navigation system for a vehicle, the method comprising the steps of: providing an initial route to a predetermined destination comprising a plurality of links, each of which is associated with an initial cost; for at least one link of the initial route, decreasing the initial cost associated with the at least one link; providing a plurality of predetermined waypoints; designating at least one of the predetermined waypoints as an obligatory waypoint; providing the at least one link associated with a decreased initial cost for a further route calculation by the navigation system; and in response to the vehicle deviating from the initial route, calculating, with the navigation system, a new route from, a current position of the vehicle to the destination, taking into account the decreased initial cost and the at least one obligatory waypoint such that the new route to the destination must pass the obligatory waypoint at least within a predetermined distance.