METHOD FOR PROVIDING ROAD DATA IN A MOTOR VEHICLE, AND GROUND-BASED DEVICE
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Abstract
Ground-based devices are provided which each have a transceiver apparatus and a data memory. Route data are stored in the data memory. This route data can be transmitted in a wireless fashion from the ground-based device to motor vehicles so that information relating to such a route is made available in the motor vehicles which are located outside the sensing range of a sensing apparatus of the motor vehicle.
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Citations
28 Claims
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1-11. -11. (canceled)
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12. A method for providing route data to motor vehicles, describing a route for the motor vehicles, comprising:
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storing route data in a positionally fixed apparatus which has a transceiver apparatus and a data memory, the positionally fixed apparatus being located in or on the route or an entry road to the route; acquiring route data when traveling on the route, the route data being acquired by a first motor vehicle; transmitting the route data from the first motor vehicle to the positionally fixed apparatus; comparing, at the positionally fixed apparatus, the route data transmitted from the first motor vehicle with the route data stored in the positionally fixed apparatus; updating the route data stored in the positionally fixed apparatus, according to a predetermined criterion representing a permanence of a change in a property of the route described in the route data stored in the positionally fixed apparatus; and after updating the route data, transmitting the route data to a second motor vehicle in a wireless fashion from the positionally fixed apparatus. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A ground-based device comprising:
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a data memory to store route data relating to a route in a vicinity of the ground-based device; a transceiver apparatus to receive a request from a motor vehicle, to transmit the route data stored in the data memory, in a wireless fashion to the motor vehicle in response to the request, and to receive update route data from the motor vehicle; and a data-processing apparatus configured to perform a comparison of the route data stored in the data memory and the update route data received from the motor vehicle, and to modify the route data stored in the data memory based on the comparison, according to a predetermined criterion relating to a permanence of a change in a property of the route to which the route data stored in the data memory relates.
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Specification