Introduction of the main 5G network elements: 5G-AN, AMF, SMF, UPF, UDR, UDM, AUSF, NEF, PCF, NSSF, NRF, SCP, SMSF, NWDF, CHF, SEPP
NG-RAN with NR, WiFi and fixed accesses
Service Based Architecture model for the 5G Core including the definitions of Network Functions, NF Services, Service Producers and Service Consumers
The 5G Reference Point model for non-roaming and roaming scenarios (LBO and HR options)
5G protocol stacks
Basic communication principles for the SBA
UE identities in 5G: SUPI, SUCI, GPSI, PEI, 5G-GUTI

Definition of the 4G PCC
5G requirements on Policy Control
Comparison of the 4G and the 5G Policy Control
Npcf services
Various sources of information for the PCF: AF, NEF, UDR, SMF, AMF and the parameters defined in the standards for all these information streams
The roles of the vPCF and the hPCF in roaming scenarios

An outline of the Initial 5G Registration traffic case
Definition of a UE Registration Area
Negotiation of service-specific features and capabilities at Registration: MICO mode, LADN, UE Reachability, Mobility Patterns, Mobility restrictions
AM Policy Associations between the PCF and the AMF
A detailed look into policy-related parameters for Access and Mobility Management: AM Policy Info, AM Policy Control request Triggers, ANDSP, URSP

Definition of a PDU Session, Service Data Flows, QoS Flows and their relationships to PDU Sessions, Data Radio Bearers and N3 Tunnels
PDU Session routing principles: PDU Sessions with Multiple PDU Session Anchors, UPF/PSA relocation, edge computing using ETSI MEC
QoS parameters: 5QI, QoS Flow parameters

An outline of a PDU Session Establishment traffic case
Various NFs receiving information and orders from the PCF: SMF, AMF, UPF, gNB, UE, and the parameters defined in the standards for all these information streams
Definitions of QoS Rules, QoS Profiles, PCC Rules
SM Policy Associations between the PCF and the SMF
Definitions of Packet Detection Rules, QoS Enforcement Rules, Forwarding Action Rules, Usage Reporting Rules, Session Reporting Rules
SMF control of UPF over the N4 interface
Packet handling in the UPF
Session-related parameters provided to the gNB and the UE

Mechanisms for the external AFs to control access, QoS, routing and charging of application data over 5GS
Routing principles for service-specific traffic steering
Network Exposure Function (NEF) role in the interactions between 5GC and external NFs
NEF capabilities: Provisioning, Monitoring, Policy/Charging, Analytics Reporting
NWDAF functionalities and defined analytics
BSF role and functionality

Roles and definitions of the Network Functions used for charging in 5G: CHF, OCS, CDF, CTF, CGF, ABMF, RF
Nchf services: Converged Charging, Offline Only Charging, Spending Limit Control
An overview of charging-related messages and parameters