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 component23.502Primary WI evolution
No indexed CRs are linked to the primary Work Item at or before this release.
Rel-13 context
Context only: these CRs target mapped specifications in Rel-13; they are not automatically attributed to the feature.
GTP-U initial and triggered message types
status unknownSending multiple G-PDUs within a single UDP datagram
postponedSending multiple G-PDUs within a single UDP datagram
withdrawnTunnelling scenarios for supporting High Latency communication
revisedTunnelling scenarios for supporting High Latency communication
revisedTunnelling scenarios for supporting High Latency communication
approvedG-PDU extension header handling
revisedG-PDU extension header handling
revisedG-PDU extension header handling
revisedG-PDU extension header handling
approvedS11-U tunneling for MO/MT data transport in control plane (SGi based)
revisedS11-U tunneling for MO/MT data transport in control plane (SGi based)
agreedEnd Marker handling by MME
revisedEnd Marker handling by MME
agreedComprehension requirement for PDCP PDU Number
revisedTraceability limits