Patent ID: 8908625

Claim:
A radio communication system comprising: a first base station; and a second base station capable of communicating with the first base station, wherein the second base station is configured to transmit, to the first base station, control information required for radio communications between the second base station and a radio terminal within a communication area of the first base station, the first base station is configured to transmit the control information received from the second base station to the radio terminal, and the radio terminal is configured to perform radio communications with the second base station using the control information received from the first base station, wherein when the radio terminal is enabled to directly receive the control information from the second base station, the second base station switches a transmission destination of the control information from the first base station to the radio terminal, and when the radio terminal is disabled to directly receive the control information from the second base station, the second base station switches a transmission destination of the control information from the radio terminal to the first base station.