| 摘要 |
PROBLEM TO BE SOLVED: To perform transition of a mobile station UE to RAT (Radio Access Technology) other than an LTE system while suppressing occurrence of unnecessary signal exchange.SOLUTION: A radio base station eNB comprises: a reception unit 12 configured to receive RRC Connection Request from a mobile station UE; and a transmission unit 13 configured to transmit RRC Connection Reject to the mobile station UE in response to reception of RRC Connection Request. The RRC Connection Reject is configured to notify the mobile station UE of RAT (Radio Access Technology) provided by a radio base station UE in priority order. |
