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SYSTEM AND METHOD FOR UPDATING A DIGITAL MAP IN A DRIVER ASSISTANCE SYSTEM

  • US 20140025292A1
  • Filed: 07/19/2013
  • Published: 01/23/2014
  • Est. Priority Date: 07/19/2012
  • Status: Active Grant
First Claim
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1. A system for updating a digital map for a driver assistance system in a vehicle, wherein the digital map contains map data having coordinates and attributes for characterizing subregions of an overall region depicted by the digital map, wherein the system comprises:

  • a base station; and

    a plurality of vehicles, each vehicle having a driver assistance system having;

    a memory unit for storing map data from at least a portion of the digital map;

    a receiver unit for receiving updated map data; and

    a control unit configured to update the stored map data using the received updated map data;

    a position finding unit configured to ascertain coordinates of the vehicle; and

    a transmission unit configured to send the coordinates of the vehicle to the base station;

    the base station having;

    at least one transmission unit configured to send the updated map data having updated attributes to the receiver unit of the driver assistance systems;

    a receiver unit configured to receive the coordinates of the vehicles;

    a memory unit configured to store the coordinates of the vehicles; and

    a computation unit configured to select, for each of the subregions, those of the stored coordinates of the vehicles that are situated within the subregion, and to use these stored coordinates of the vehicle to update the attributes of this subregion.

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