Patent ID: 11968585
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A first base station operating according to a first radio access technology (RAT) in a wireless communication system, the first base station comprising:
a transceiver; and
a controller configured to:
transmit, to a terminal via the transceiver, a request message including information indicating that the terminal reports failure report information related to a connection failure,
as a response to the request message, receive, from the terminal via the transceiver, a response message including an identity of a cell in which the connection failure has occurred and a failure report container containing the failure report information, the cell being controlled by a second base station operating according to a second RAT, and
transmit, to a core network entity via the transceiver, an uplink radio access network (RAN) configuration transfer message including an identity of the second base station and the failure report container,
wherein, in the uplink RAN configuration transfer message, the identity, of the second base station is included outside the failure report container.