Method of determining vehicle accident, server device for performing the same, and vehicle electronic device and operation method thereof

A server device comprising:

• a communicator configured to communicate with a vehicle;
• and
• a processor configured to execute at least one instruction to:
• update, based on first information including a speed and a location of the vehicle, received from the vehicle for a communication period having variable value, and second information that is environment information regarding a trail of the vehicle, the communication period such that a moving range of the vehicle during the communication period corresponds to a reference value, and control the communicator to transmit the updated communication period to the vehicle;
• determine whether an accident involving the vehicle has occurred based on whether updated first information is received from the vehicle for the updated communication period;
• and
• transmit a notification, responsive to determining an accident involving the vehicle.

An operation method of a vehicle electronic device, the operation method comprising:

• transmitting first information including a speed and a location of a vehicle to a server;
• receiving a value of a communication period from the server;
• and
• when the communication period arrives, transmitting the first information corresponding to a current time point to the server,
• wherein the communication period is a value set such that a moving range of the vehicle during the communication period corresponds to a reference value.