Layer 1
System architecture & procedures / Stage 2 orientation
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-155GS authentication, key/security context architecture and the AUSF service realization.
Layer 1
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-15Layer 2
Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3
C1 · Rel-15Layer 3
5G System; Authentication Server Services; Stage 3
C4 · Rel-15Layer 4
Security architecture and procedures for 5G System
S3 · 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 of23.50124.501procedure component23.50233.501security for23.50229.509authentication service for33.50124.501stage3 realization of23.50133.501security 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 ↗NSAC applicability in SNPN
reissued3GPP CR ↗Correction on reference of S-NSSAI inclusion in ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST message
reissued3GPP CR ↗Store the rejected NSSAI for failed or revoked NSSAA associated with EPLMN
reissued3GPP CR ↗Handing pending paging message if access attempt for registration procedure is barred
reissued3GPP CR ↗Equivalent SNPNs: error cases and abnormal cases
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 ↗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.
Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15policy_for with mapped TS/TR 23.501
5G System; Unified Data Management 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-155G System; Common Data Types for Service Based Interfaces; Stage 3
C4 · Rel-155G System; Network Exposure Function Northbound APIs; Stage 3
C3 · Rel-155G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3
C3 · Rel-155G System; Session Management Policy Control Service; Stage 3
C3 · Rel-155G System; Session Management Services; Stage 3
C4 · Rel-15interface_specification with mapped TS/TR 23.502
Interface between the Control Plane and the User Plane nodes
C4 · Rel-145G 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-15Traceability limits