A radio communication system comprising a first base station (300 1) that performs radio communication with a mobile apparatus and a second base station (300 2), the second base station (300 2) comprising: a reconnection setting information generation unit configured, in a case where handover is requested from the first base station (300 1), to generate second base station reconnection setting information to be used for specifying the mobile apparatus; a transmission unit configured to transmit a handover request response signal including the second base station reconnection setting information generated by the reconnection setting information generation unit to the first base station (300 1); the first base station (300 1) comprising: a receiving unit configured to receive the second base station reconnection setting information to be used for specifying the mobile apparatus from the second base station (300 2) that is a destination of handover of the mobile apparatus; a reconnection setting information holding unit configured to hold the second base station reconnection setting information received by the receiving unit; and a reconnection processing unit configured, after the first base station (300 1) has received a reconnection request signal from the mobile station after initial connection processing between the second base station (300 2) and the mobile apparatus has been completed, whereby, as a result of the completed initial connection processing, the reconnection request signal includes the second base station reconnection setting information, to compare the second base station reconnection setting information held in the setting information holding unit with the second base station reconnection setting information included in the reconnection request signal received from the mobile station, and, based on a comparison result, to perform reconnection processing with the mobile apparatus. a reconnection setting information generation unit configured, in a case where handover is requested from the first base station (300 1), to generate second base station reconnection setting information to be used for specifying the mobile apparatus; a transmission unit configured to transmit a handover request response signal including the second base station reconnection setting information generated by the reconnection setting information generation unit to the first base station (300 1); the first base station (300 1) comprising: a receiving unit configured to receive the second base station reconnection setting information to be used for specifying the mobile apparatus from the second base station (300 2) that is a destination of handover of the mobile apparatus; a reconnection setting information holding unit configured to hold the second base station reconnection setting information received by the receiving unit; and a reconnection processing unit configured, after the first base station (300 1) has received a reconnection request signal from the mobile station after initial connection processing between the second base station (300 2) and the mobile apparatus has been completed, whereby, as a result of the completed initial connection processing, the reconnection request signal includes the second base station reconnection setting information, a receiving unit configured to receive the second base station reconnection setting information to be used for specifying the mobile apparatus from the second base station (300 2) that is a destination of handover of the mobile apparatus; a reconnection setting information holding unit configured to hold the second base station reconnection setting information received by the receiving unit; and a reconnection processing unit configured, after the first base station (300 1) has received a reconnection request signal from the mobile station after initial connection processing between the second base station (300 2) and the mobile apparatus has been completed, whereby, as a result of the completed initial connection processing, the reconnection request signal includes the second base station reconnection setting information, to compare the second base station reconnection setting information held in the setting information holding unit with the second base station reconnection setting information included in the reconnection request signal received from the mobile station, and, based on a comparison result, to perform reconnection processing with the mobile apparatus.