Patent ID: 6195038
Filing Date: 2001-02-27
Classification: G01S

Abstract:
A method of automatically determining the position of vehicles (1) by means of a DGPS method (Differential Global Positioning System), whereby at least one vehicle (1) in the OPNV (Local Public Passenger Traffic) and a fixed station (2) receive GPS (Global Positioning Systems) data, which characterize the distance to GPS satellites (3), where the GPS data (4a) from the fixed station are transmitted as correction data (8) via service radio transmissions (5) to the mobile stations (6) in the vehicles (1), wherein the transmission of the correction data (8) takes place through expansion of at least one information byte (9) of data frames (10) of a data structure of the service radio transmissions (5) in accordance with the Private Mobile Radio (PMR) VDV Association of German Traffic Entrepreneurs protocols.