Patent ID: 8472970

Claim:
A radio communication system comprising: a mobile phone; a radio base station configured to perform radio communications with the mobile phone; and an information collection apparatus configured to collect location information indicating a location of the mobile phone, downlink radio quality information indicating a measurement result of a downlink radio quality between the mobile phone and the radio base station, and uplink radio quality information indicating a measurement result of an uplink radio quality between the mobile phone and the radio base station, wherein the mobile phone measures the downlink radio quality during call connection processing executed along with an outgoing call made by the mobile phone, the radio base station measures the uplink radio quality during the call connection processing executed along with the outgoing call, the call connection processing is processing to establish a connection between the mobile phone and the radio base station, and the information collection apparatus is configured to check whether or not the mobile phone has been registered as a reference terminal and to collect the location information, the downlink radio quality information, and the uplink radio quality information when the information collection apparatus has registered the mobile phone as a reference terminal.