Most of the existing car navigation systems are operating autonomously using a static digital road map on-board. The benefit of such systems lies mainly in trips through unknown street networks. Systems providing routes dynamically adapted to the traffic situation ease driving even in well known areas. Two principles can be used for dynamic route guidance. One is receiving the description of a complete recommended route from a traffic center. The other one is just receiving encoded traffic messages for updating a static map according to the traffic situation. In the first case route calculation has to be performed centrally by the service provider, while the second method needs the on-board route calculation. Both methods have advantages and disadvantages and need a method to refer to their local street map. The status of such systems and trends are described.
Dynamic route guidance - status and trends
Stand und Entwicklung der dynamischen Routenführung
2000
11 Seiten, 12 Bilder
Aufsatz (Konferenz)
Englisch
Dynamic route guidance - status and trends
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