Patent ID: 11968569
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method performed by a new Integrated Access and Backhaul (IAB) donor node in a wireless communication system, the method comprising:
receiving, from a first IAB node, a radio resource control (RRC) message based on an RRC reestablishment message transmitted from a second IAB node to the first IAB node;
transmitting a user equipment (UE) context request message to old IAB donor node;
receiving, from the old IAB donor node, a UE context response message including transport network layer (TNL) address information of the second IAB node; and
transmitting a message including information related to configuration of the new IAB donor node towards the second IAB node.