RADIO COMMUNICATION DEVICE, PROGRAM, RADIO COMMUNICATION METHOD, AND RADIO COMMUNICATION SYSTEM

摘要

A radio communication device comprises a reception unit for receiving a radio signal, a measuring unit for measuring the electric field intensity of the radio signal received by the reception unit, a judgment unit for judging whether or not the radio signal received by the reception unit satisfies a predetermined condition regarding a noise component, and an estimation unit for estimating the distance from the transmission source device of the radio signal from the electric field intensity of the radio signal which is judged to satisfy the predetermined condition by the judgment unit.