Electronic apparatus, system, method, and storage medium

A method comprising:

• generating data of a missing part on a radio wave map to which data relating to received power of a radio signal at points in a predetermined geographical range is mapped based on a status of a propagation path between a first wireless device configured to travel in the predetermined geographical range and a second wireless device configured to form a wireless communication area including the predetermined geographical range.

A non-transitory computer-readable storage medium having stored thereon a computer program which is executable by a computer, the computer program controlling the computer to execute functions of:

• generating data of a missing part on a radio wave map to which data relating to received power of a radio signal at points in a predetermined geographical range is mapped based on a status of a propagation path including time variation between a first wireless device that travels in the predetermined geographical range and a second wireless device that forms a wireless communication area including the predetermined geographical range.