Patent ID: 11943827
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A secondary base station in a wireless communication system, the secondary base station comprising:
a transceiver; and
at least one processor coupled with the transceiver and configured to control to:
receive, from a master base station, a secondary base station addition request message including an identity of a data radio bearer (DRB) and a quality of service (QoS) requirement associated with the DRB,
transmit, to the master base station, a secondary base station addition response message including the identity of the DRB, transport layer information for an user plane on an Xn interface, a radio resource control (RRC) container, and an identity of a protocol data unit (PDU) session, wherein the RRC container includes configuration information of a secondary cell associated with the secondary base station, and
receive, from the master base station, a secondary base station reconfiguration complete message in case that an RRC reconfiguration complete message is received by the master base station from a user equipment (UE) as a response to the RRC reconfiguration message including the RRC container.