3GPP Atlas

Canonical Atlas record

TS 38.425

NG-RAN; NR user plane protocol

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Responsible WGR3
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-17
Latest indexed version19.1.0
Series38
TypeTS

Release evolution

Compare evidence between releases

Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.

Release ledger

Version · WI · CR evidence by release

Rel-1515.7.02 WI134 CRs · 33 approved
Rel-1616.3.09 WI63 CRs · 5 approved
Rel-1717.3.07 WI34 CRs · 5 approved
Rel-1818.1.02 WI19 CRs · 3 approved
Rel-1919.1.02 WI19 CRs · 3 approved
Rel-20no version indexed2 WI5 CRs

Rel-17 snapshot

Work affecting this release

34 indexed Change Requests · 7 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0144 — Definition of Desired Buffer Size

CR 0140 rev.2 — Clarification of the desired buffer size in case of retransmissions [DesBufRetrans]

CR 0145 — Correction on W1 interface in TS38.425

CR 0138 — Correction of F1-U Delay Measurement for QoS Monitoring

CR 0134 — CR to 38.425 for handling of UL PDCP Duplication status information[UL_duplication]

CR 0136 — BLCR to TS 38.425: Introduction of MBS

CR 0139 — Correction of F1-U Delay Measurement for QoS Monitoring

CR 0130 — Handling PDCP Duplication

CR 0129 rev.1 — Assistance information for UL duplication [UL_duplication]

CR 0130 rev.1 — Handling PDCP Duplication

CR 0128 — CR to 38.425 for handling of UL PDCP Duplication status information

CR 0127 rev.1 — correction on UL PDCP duplication[UL_duplication]

Version history

Indexed versions

Showing 25 of 25 indexed versions.

19.1.0Rel-19RAN#1102025-12-25
19.0.0Rel-19RAN#1092025-10-01
18.1.0Rel-18RAN#1042024-07-03
18.0.0Rel-18RAN#1022024-01-12
17.3.0Rel-17RAN#992023-04-03
17.2.0Rel-17RAN#98-e2023-01-06
17.1.0Rel-17RAN#97-e2022-09-23
17.0.0Rel-17RAN#95-e2022-04-06
16.3.0Rel-16RAN#91-e2021-04-09
16.2.0Rel-16RAN#89-e2020-10-02
15.7.0Rel-15RAN#89-e2020-10-02
16.1.0Rel-16RAN#88-e2020-07-16
16.0.0Rel-16RAN#87-e2020-03-31
15.6.0Rel-15RAN#842019-07-13
15.5.0Rel-15RAN#832019-04-08
15.4.0Rel-15RAN#822019-01-08
15.3.0Rel-15RAN#812018-09-25
15.2.0Rel-15RAN#802018-06-22
15.1.0Rel-15RAN#792018-04-06
15.0.0Rel-15RAN#782018-01-13
1.0.0Rel-15 · pre-approvalRAN#782017-12-11
0.3.0Rel-15 · pre-approvalRAN3#982017-12-10
0.2.0Rel-15 · pre-approvalRAN3#97-Bis2017-11-10
0.0.1Rel-15 · pre-approvalRAN3#95-Bis2017-06-26
0.1.0Rel-15 · pre-approvalRAN3-NR#22017-06-19

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 38.425

NR_newRAT

New Radio Access Technology

Rel-15official
NR_newRAT-Core

Core part: New Radio Access Technology

Rel-15parsed
5G_URLLC

Enhancement of URLLC support in the 5G Core network

Historical association · verification pending
Rel-16historical link
FS_enh_disagg_gNB

Study on enhancement for disaggregated gNB architecture

Rel-16parsed
LTE_NR_arch_evo-Core

Core part: eNB(s) Architecture Evolution for E-UTRAN and NG-RAN

Rel-16parsed
NR_IAB-Core

Core part: NR_IAB

Rel-16parsed
NR_IIOT

Support of NR Industrial Internet of Things (IoT)

Rel-16parsed
NR_IIOT-Core

Core part: Support of NR Industrial Internet of Things (IoT)

Rel-16parsed
NR_Mob_enh-Core

Core part: NR mobility enhancements

Rel-16parsed
NR_SON_MDT

SON (Self-Organising Networks) and MDT (Minimization of Drive Tests) support for NR

Rel-16parsed
TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending
Rel-16historical link
LTE_NR_DC_enh2-Core

Core part: Further Multi-RAT Dual-Connectivity enhancements

Rel-17parsed
LTE_NR_arch_evo_enh-Core

Core part: LTE_NR_arch_evo_enh

Rel-17parsed
NR_ENDC_SON_MDT_enh

Enhancement of data collection for SON (Self-Organising Networks)/MDT (Minimization of Drive Tests) in NR and EN-DC

Rel-17parsed
NR_IAB_enh

Enhancements to Integrated Access and Backhaul (IAB) for NR

Rel-17parsed
NR_MBS-Core

Core part: NR multicast and broadcast services

Rel-17parsed
NR_NTN_solutions

Solutions for NR to support non-terrestrial networks (NTN)

Rel-17parsed
TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed
NR_XR_enh-Core

Core part: XR (eXtended Reality) enhancements for NR

Rel-18parsed
TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed
NR_AIML_NGRAN_enh-Core

Core part: Enhancements for Artificial Intelligence (AI)/Machine Learning (ML) for NG-RAN

Rel-19parsed
NR_XR_Ph3-Core

Core part: XR (eXtended Reality) for NR Phase 3

Rel-19parsed
NR_XR_Ph4-Core

Core part: XR (eXtended Reality) for NR Phase 4

Rel-20parsed
TEI20

(Small) Technical Enhancements and Improvements for Rel-20

Rel-20parsed

Knowledge graph

Related standards

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