A. Each QoS profile includes a 5G QoS Identifier (5QI) and an Allocation and Retention Priority (ARP).

B. NG-RAN sends the QoS profiles and corresponding QoS Flow IDs to the UE.

C. NG-RAN uses the QoS profiles to create mapping between QoS Flow IDs and data radio bearers.

D. SMF derives the QoS profile of a QoS Flow from a PCC rule and sends it to NG-RAN.