METHOD FOR TRANSMITTING UL PACKET BASED ON QUALITY OF SERVICE (QOS) FLOW IN WIRELESS COMMUNICATION SYSTEM AND A DEVICE THEREFOR

摘要

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting UL packet based on QoS flow in wireless communication system, the method comprising: receiving uplink (UL) packet from an upper layer; checking whether a IP flow of the UL packet is matched to any of UL IP flow to QoS flow mapping defined in QoS rules configured to the UE; setting a QoS Flow ID of the UL packet to a special value if a IP flow of the UL packet is not matched to any of UL IP flow to QoS flow mapping defined in the QoS rules configured to the UE; and transmitting the UL packet with the QoS Flow ID set to the special value to a network via a DRB.