Method and device for determining map data to be downloaded by a vehicle

Abstract

A method for determining map data to be downloaded by a vehicle is described, comprising: - Determining a first set of map tiles to be downloaded, based on the vehicle's geographic location, said first set of tiles covering a geographic area located at a distance from the vehicle's geographic location less than a determined threshold, and - When at least one map tile in the first set corresponds to an area of ​​low network coverage, determining additional map tiles to be downloaded, said determination comprising: identifying a set of map tiles belonging to the area of ​​low network coverage outside the geographic area, and selecting, from said set, a subset of map tiles satisfying at least one determined criterion relating to at least one type of road represented in a tile. Abstract Figure: Figure 3

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