CPC G01C 21/3691 (2013.01) [H04L 67/12 (2013.01)] | 11 Claims |
1. A vehicular electronic device comprising:
a power supply comprising circuitry and configured to supply power to the vehicular electronic device;
a memory;
an interface comprising circuitry and configured to receive (i) high-definition (HD) map data on a specific area from a server through a communication device and (ii) a turn-off signal and a turn-on signal; and
at least one processor configured to:
based on the turn-off signal being received, store, in the memory, first electronic horizon data related to a vicinity of a vehicle, the first electronic horizon data being generated based on HD map data,
based on the turn-on signal being received, receive the HD map data,
obtain at least one of information regarding a straight traveling situation of the vehicle or information regarding a stopped situation of the vehicle, and
update the first electronic horizon data in the at least one of the straight traveling situation of the vehicle or the stopped situation of the vehicle.
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