Stage-3 service APIs and discovery for AMF, SMF, UDM, AUSF and NRF.
Layer 1
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-15Layer 2
5G System; Technical Realization of Service Based Architecture; Stage 3
C4 · Rel-155G System; Principles and Guidelines for Services Definition; Stage 3
C4 · Rel-155G System; Session Management Services; Stage 3
C4 · Rel-155G System; Unified Data Management Services; Stage 3
C4 · Rel-155G System; Authentication Server Services; Stage 3
C4 · Rel-155G System; Network function repository services; Stage 3
C4 · Rel-155G System; Access and Mobility Management Services; Stage 3
C4 · Rel-15Primary feature evidence
The reviewed topic source is not an indexed Work Item record. The source link above remains the primary evidence anchor.
Connected work
These Work Items share one or more mapped specifications. Atlas does not automatically claim that every connected Work Item defines this feature.
Cross-spec traceability
23.502stage realization of23.50129.502interface specification23.50229.518stage3 realization of23.50229.503subscriber data service for23.50129.510service discovery for23.50129.502session service for23.501Primary WI evolution
No indexed CRs are linked to the primary Work Item at or before this release.
Rel-18 context
Context only: these CRs target mapped specifications in Rel-18; they are not automatically attributed to the feature.
Procedures update to support policy control enhancements for multi-modal flows
reissued3GPP CR ↗AF Session procedures update to support PDU Set QoS Parameters
reissued3GPP CR ↗Introduction of KI#6 conclusion: uplink-downlink transmission coordination
reissued3GPP CR ↗Policy control enhancements to support multi-modal flows
reissued3GPP CR ↗Introduction of Alternative S-NSSAI replacement determined by NSSF
revised3GPP CR ↗PCF support of 5GS Packet Delay Variation monitoring based on QoS monitoring mechanism and exposed to AF
reissued3GPP CR ↗Support of discontinuous coverage
revised3GPP CR ↗Introduction of 5GS information exposure
reissued3GPP CR ↗Support of PDU Set based handling
reissued3GPP CR ↗Update TS23.501 to reflect conclusion of KI#4 for XRM in TR23.700-60
reissued3GPP CR ↗Introduction of KI#6 conclusion: uplink-downlink transmission coordination
reissued3GPP CR ↗Introduction of support for Jitter Measurement and End of Data Burst reporting to the NG-RAN
reissued3GPP CR ↗Transfer of Satellite Coverage Data to a UE and AMF
revised3GPP CR ↗Introduction of support for L4S
reissued3GPP CR ↗Support of XR and Media Services
reissued3GPP CR ↗Candidate expansion · review required
Inferred only. These records are not part of the reviewed semantic catalogue. The ranking score orders structural evidence; it is not a probability or confidence value, and there is no automatic promotion action.
Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3
C1 · Rel-15procedure_component with mapped TS/TR 23.502
Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15policy_for with mapped TS/TR 23.501
5G System; Common Data Types for Service Based Interfaces; Stage 3
C4 · Rel-155G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3
C3 · Rel-155G System; Network Exposure Function Northbound APIs; Stage 3
C3 · Rel-15Interface between the Control Plane and the User Plane nodes
C4 · Rel-145G System; Session Management Policy Control Service; Stage 3
C3 · Rel-155G System; Unified Data Repository Services; Stage 3
C4 · Rel-155G System; Usage of the Unified Data Repository Service for Policy Data, Application Data and Structured Data for Exposure; Stage 3
C3 · Rel-15NG-RAN; NG Application Protocol (NGAP)
R3 · Rel-15procedure_component with mapped TS/TR 23.502
5G System; Policy Authorization Service; Stage 3
C3 · Rel-15AT command set for User Equipment (UE)
C1 · Rel-4Traceability limits