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-15Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15PDU Session lifecycle, policy/QoS, SMF services and user-plane realization.
Layer 1
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-15Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15Layer 2
Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3
C1 · Rel-15Layer 3
5G System; Session Management Services; Stage 3
C4 · Rel-15General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)
C4 · Rel-8Layer 4
NG-RAN; NG Application Protocol (NGAP)
R3 · 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 of23.50123.503policy for23.50124.501procedure component23.50229.502interface specification23.50238.413procedure component23.50229.281user plane for23.50124.501stage3 realization of23.50129.502session service for23.501Primary WI evolution
No indexed CRs are linked to the primary Work Item at or before this release.
Rel-17 context
Context only: these CRs target mapped specifications in Rel-17; they are not automatically attributed to the feature.
Applying hard thresholds to Load-Balancing steering mode in ATSSS
notedEdge relocation considering user plane lantecy requirement
revisedUse of TAI(s) for slice restriction based on analytics
approvedTSC Assistance Container Determination by PCF
approvedIntroducing threshold conditions for priority-based steering mode in TS 23.501
revisedUpdating the Credentials Holder controlled lists for SNPN selection
mergedIntroduction of support of NG.116 attribute 'Simultaneous Use of a Network Slice'
revisedIntroduction of support of NG.116 attribute 'Simultaneous Use of a Network Slice'
revisedThe impact of UE N1 mode change in EPS
revisedHRNN in manual network selection for SNPNs
revisedKI#1 - T5, Enable mobility between networks
approvedUE configuration for remote provisioning
notedUE configuration for remote provisioning
revisedIntroduction of architecture for AF requested support of Time Sensitive Communication and Time Synchronization
revisedIntroduction of architecture for AF requested support of Time Sensitive Communication and Time Synchronization
revisedCandidate 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.
3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3
C4 · Rel-8NG-RAN; Xn Application Protocol (XnAP)
R3 · Rel-15NG-RAN; F1 Application Protocol (F1AP)
R3 · Rel-15Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)
R3 · Rel-8NR; Radio Resource Control (RRC); Protocol specification
R2 · Rel-15Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification
R2 · Rel-8NR; NR and NG-RAN Overall description; Stage-2
R2 · Rel-15General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access
S2 · Rel-8Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3
C1 · Rel-8AT command set for User Equipment (UE)
C1 · Rel-4Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP)
R3 · Rel-8Numbering, addressing and identification
C4 · Rel-4Traceability limits