RADIO COMMUNICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a radio communication system that can estimate a fault due to the utilization environment of a radio terminal.SOLUTION: A radio communication system, which receives a radio signal transmitted by a radio terminal and measures the propagation environment from the radio signal, comprises: a received power measuring unit for measuring the received power from the radio signal; a terminal ID determination unit for determining the identification number of a transmission source radio terminal of the radio signal; a retransmission number monitoring unit for monitoring a retransmission number to the radio terminal; an information obtaining unit for obtaining carrier sense information; a statistical processing unit for statistically processing the received power and the carrier sense information per radio terminal identified by the terminal ID determination unit; a terminal utilization environment estimation unit for estimating the utilization environment of the radio terminal from the information on the result of the statistical processing obtained by the statistical processing unit when the retransmission number has increased; and a fault factor estimation unit for estimating a fault factor from the utilization environment of the radio terminal estimated by the terminal utilization environment estimation unit.