High definition map and route storage management system for autonomous vehicles
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United States of America
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Feb 25, 2020
Grant Date -
Aug 29, 2019
app pub date -
May 9, 2019
filing date -
May 9, 2019
priority date (Note) -
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Abstract
High definition maps for autonomous vehicles are very high resolution and detailed, and hence require storage of a great deal of data. A vehicle computing system provides multi-layered caching makes this data usable in a system that requires very low latency on every operation. The system determines which routes are most likely to be driven in the near future by the car, and ensures that the route is cached on the vehicle before beginning the route. The system provides efficient formats for moving map data from server to car and for managing the on-car disk. The system further provides real-time accessibility of nearby map data as the car moves, while providing data access at optimal speeds.
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