| 摘要 |
A relay node which is registered to a first radio base station and a first mobility management device and which relays a communication between a mobile station and the first radio base station. The relay node includes a first control unit configured to execute a handover process for the relay node and decide to hand over the mobile station from the first radio base station to a second radio base station when a degradation of radio quality between the relay node and the first radio base station is detected, and to transmit a handover control signal for the mobile station to the second radio base station or the first mobility management device. |
