Patent ID: 11950299
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method performed by a session management function (SMF) in a wireless communication system, the method comprising:
receiving, from a user equipment (UE), a request for a quality of service (QoS) flow in a protocol data unit (PDU) session;
determining that the PDU session needs to be an always-on PDU session in case that the QoS flow in the PDU session is associated with an ultra-reliable low latency communication (URLLC) service and information associated with the PDU session that an always-on PDU session is required is not provided; and
transmitting, to the UE, a PDU session modification command message including information indicating that the always-on PDU session is required, based on a result of the determination.