curatedreviewedreviewed from Rel-15

Feature lineage · 5GS Session Management

PDU Session lifecycle, policy/QoS, SMF services and user-plane realization.

Reviewed topic evidence ↗Topic explorer →Ask Atlas →

Mapped specs7

Explicit stage labels0

Inferred orientations7

Relationships8

Connected WIs100

Rel-19 CR context50

Layer 1

System architecture & procedures / Stage 2 orientation

3 specs

TS 23.501

System architecture for the 5G System (5GS)

S2 · Rel-15

inferredOrientation inferred from the 23-series; this is not an official 3GPP stage assignment.

TS 23.502

Procedures for the 5G System (5GS)

S2 · Rel-15

inferredOrientation inferred from the 23-series; this is not an official 3GPP stage assignment.

TS 23.503

Policy and charging control framework for the 5G System (5GS); Stage 2

S2 · Rel-15

inferredOrientation inferred from the 23-series; this is not an official 3GPP stage assignment.

Layer 2

UE protocol realization

1 spec

TS 24.501

Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3

C1 · Rel-15

inferredOrientation inferred from the 24-series; this is not an official 3GPP stage assignment.

Layer 3

Core-network protocol & service realization

2 specs

TS 29.502

5G System; Session Management Services; Stage 3

C4 · Rel-15

inferredOrientation inferred from the 29-series; this is not an official 3GPP stage assignment.

TS 29.281

General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)

C4 · Rel-8

inferredOrientation inferred from the 29-series; this is not an official 3GPP stage assignment.

Layer 4

RAN / radio realization

1 spec

TS 38.413

NG-RAN; NG Application Protocol (NGAP)

R3 · Rel-15

inferredOrientation inferred from the 38-series; this is not an official 3GPP stage assignment.

Primary feature evidence

Topic source Work Item

The reviewed topic source is not an indexed Work Item record. The source link above remains the primary evidence anchor.

Connected work

Work Items touching mapped specs

These Work Items share one or more mapped specifications. Atlas does not automatically claim that every connected Work Item defines this feature.

5GProtoc19Rel-19 · connected · 100%

3GPP ↗

5GProtoc19-non3GPPRel-19 · connected · 100%

3GPP ↗

5GSAT_Ph3-ARCRel-19 · connected · 100%

3GPP ↗

5GSAT_Ph3_ARCHRel-19 · connected · 100%

Historical association · verification pending3GPP ↗

5G_FemtoRel-19 · connected · 100%

3GPP ↗

5G_FemtoRel-19 · connected · 100%

3GPP ↗

5G_ProSe_Ph3Rel-19 · connected · 100%

3GPP ↗

5G_RTP_Ph2Rel-19 · connected · 100%

3GPP ↗

AIML_CNRel-19 · connected · 100%

Historical association · verification pending3GPP ↗

AmbientIoT-ARCRel-19 · connected · 100%

3GPP ↗

Ambient_IoT_Solutions-CoreRel-19 · connected · 100%

3GPP ↗

CHFSegRel-19 · connected · 100%

3GPP ↗

Cross-spec traceability

Release-valid relationships

23.502stage realization of23.501

curatedreviewed

23.503policy for23.501

curatedreviewed

24.501procedure component23.502

curatedreviewed

29.502interface specification23.502

curatedreviewed

38.413procedure component23.502

curatedreviewed

29.281user plane for23.501

curatedreviewedevidence ↗

24.501stage3 realization of23.501

curatedreviewedevidence ↗

29.502session service for23.501

curatedreviewedevidence ↗

Primary WI evolution

Change Requests linked to the primary Work Item

No indexed CRs are linked to the primary Work Item at or before this release.

Rel-19 context

CR activity across mapped specs

Context only: these CRs target mapped specifications in Rel-19; they are not automatically attributed to the feature.

24.501 · CR 6489 rev.2

Update on UE capability indication for rangingsl

withdrawn3GPP CR ↗

24.501 · CR 6949

Restrictions by local regulations for emergency service

reissued3GPP CR ↗

24.501 · CR 6956

Unexpected MM cause for CIOT user data container

reissued3GPP CR ↗

24.501 · CR 6958

Extend faster service recovery to CustomLLFailureRetry5G

reissued3GPP CR ↗

24.501 · CR 6977

Conditions to include Additional information IE in UL NAS TRANSPORT message

reissued3GPP CR ↗

24.501 · CR 6997

Correction to the handling of the EMM parameters in eCALL-INACTIVE state.

reissued3GPP CR ↗

24.501 · CR 7003

Various corrections

reissued3GPP CR ↗

24.501 · CR 7006 rev.1

Correction to MA PDU session establishment and modification

reissued3GPP CR ↗

24.501 · CR 7001 rev.1

Terminology alignment for ATSSS-LL steering functionality

reissued3GPP CR ↗

24.501 · CR 6981 rev.1

Clarification for the unavailability period

reissued3GPP CR ↗

24.501 · CR 6983 rev.1

Correction about the Discontinuous coverage maximum time offset IE

reissued3GPP CR ↗

24.501 · CR 6990 rev.1

Emergency call delay over 3GPP with ongoing procedure over non-3GPP

reissued3GPP CR ↗

24.501 · CR 6767 rev.4

5GSM sublayer operation upon receiving an indication that the CIoT user data was not forwarded due to congestion control and a timer value from the 5GMM sublayer

reissued3GPP CR ↗

24.501 · CR 6989 rev.1

Local de-registration during unavailability period in 5G.

reissued3GPP CR ↗

24.501 · CR 6947 rev.1

Enabling N1 mode capability when slice is available

reissued3GPP CR ↗

Candidate expansion · review required

Specifications Atlas may be missing from this topic

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.

TS 38.423

NG-RAN; Xn Application Protocol (XnAP)

R3 · Rel-15

inferredrank 2050moderate evidence

shared work item

Shares Work Item NR_newRAT with mapped specifications

System architecture & procedures / Stage 2 orientation

UE protocol realization

Core-network protocol & service realization

RAN / radio realization

Topic source Work Item

Work Items touching mapped specs

Release-valid relationships

Change Requests linked to the primary Work Item

CR activity across mapped specs

Specifications Atlas may be missing from this topic

What this lineage is not claiming