An overview of the 5G standalone network architecture.
Introduction to functionalities of various Network Functions.
5G Core Network UE identities.
Registration types and introduction to Registration Areas.
UE connectivity states to Radio Access Network and Core Network
PDU Session attributes and possible connection options.
General principles of communication in the Service Based Architecture.
Basic concepts of Network Slicing.
Overview of the functions of various protocols used inside 5G Core Network, between UE and 5GC, and between 5G RAN and 5GC: HTTP with JSON, PFCP, PRINS, GTP-U, NAS (5GMM and 5GSM), RRC, NGAP.

Functions of 5G Mobility Management protocol between UE and AMF.
Functions of 5G Session Management protocol between UE and SMF.
Functions of NG Application Protocol: Non-UE-associated services and UE-associated services.
Security improvements over the 4G Evolved Packet System: VPLMN authorization, handling of Subscription Concealed Identifier (SUCI), horizontal and vertical key derivation in NG-RAN, slice-specific authorization and authentication, secondary authentication.
UE states in RAN and Core Network: idle, connected, inactive.
Overview of RAN-based paging and mobility procedures.
Signaling flows for UE Registration, PDU Session Establishment, UE configuration update, and others between UE and 5GC.

SBA communication principles: NF Consumers and NF Producers, services, service operations, and procedures.
SBA communication models: with/without NRF and/or SCP.
Principles of REpresentational State Transfer (REST) architecture model.
HTTP/2 improvements over HTTP/1.1.
HTTP/2 message format, methods, headers and responses used in 5G Core Network.
Handling of policy related information between AF, PCF, SMF, AMF, gNB and UE.
Examples of Network Function service definitions using OpenAPI.
Selected details of Common API Framework (CAPIF): CAPIF Core Function, API Exposing Function, API Invokers.
Basic principles and service APIs for Service Enabler Architecture Layer (SEAL).
Signalling flows for UE Registration, PDU Session Establishment, NF Registration, NF Discovery and service authorization using OAuth 2.0.

Overview of various signalling procedures defined for the 5G System: various registration scenarios, PDU session options, overview of mobility procedures, etc.
Signaling flows for UE Registration in new AMF, AMF relocation, Multi-access PDU Session handling, SSC modes, addition/removal of PDU session anchors, inter-gNB handover, handovers between Access Types, etc.
SMS over 5G NAS: registration and message transfer.
Data without User Plane resources usage: CIoT optimisation and NIDD.

About the training

Includes