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TS 23.501 (SA2)
System Architecture for the 5G System

ToC   3GPP‑Page   ETSI‑search   Help   Links-to-References    
V15.2.0 (PDF)2018/06  219 p.

5G-EIR (5G-Equipment Identity Register) – AF (Application Function) – AMF (Access and Mobility Management Function) – AUSF (Authentication Server Function) – DN (Data Network) – NEF (Network Exposure Function) – NRF (Network Repository Function) – NSSF (Network Slice Selection Function) – PCF (Policy Control Function) – (R)AN ((Radio) Access Network) – SMF (Session Management Function) – UDM (Unified Data Management) – UDSF (Unstructured Data Storage Function) – UPF (User Plane Function) – UDR (Unified Data Repository) –

Rapporteur:  Ms. Chandramouli, Devaki
See also:  5G-related TS/TR

The present document defines the Stage 2 system architecture for the 5G System. The 5G System provides data connectivity and services. This specification covers both roaming and non-roaming scenarios in all aspects, including interworking between 5GS and EPS, mobility within 5GS, policy control and charging, and authentication. TS 23.502 contains the stage 2 procedures and flows for 5G System and it is a companion specification to this specification.

For a better understanding of the contents of this fundamental specification,
all the V15.2.0 figures (64) as well as the "5QI" Table have been reproduced within the following ToC.
This is also the case for:  23.060.401.502


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