Canonical Atlas record

TS 36.401

Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Architecture description

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Responsible WGR3

StatusUnder change control

Initial releaseRel-8

Selected releaseRel-13

Latest indexed version19.0.0

Series36

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-88.8.06 WI50 CRs · 17 approved

Rel-99.2.15 WI12 CRs · 5 approved

Rel-1010.4.03 WI19 CRs · 6 approved

Rel-1111.2.03 WI9 CRs · 3 approved

Rel-1212.3.03 WI23 CRs · 4 approved

Rel-1313.2.06 WI18 CRs · 3 approved

Rel-1414.0.01 WI3 CRs · 1 approved

Rel-1515.1.02 WI4 CRs · 2 approved

Rel-1616.0.00 WI0 CRs

Rel-1717.1.03 WI14 CRs · 2 approved

Rel-1818.1.01 WI2 CRs · 1 approved

Rel-1919.0.01 WI1 CR

R99no version indexed1 WI0 CRs

Rel-13 snapshot

Work affecting this release

18 indexed Change Requests · 6 connected Work Items.

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

CR 0078 rev.5 — Introduction of the UE context resume function

CR 0080 — Correction of Reroute NAS Request

CR 0081 — Clarification that the Xw UE ID is unique within relevant node

CR 0074 rev.1 — Extension of UE X2AP IDs

CR 0076 — Extension of UE X2AP ID

CR 0071 — Introduction of Dedicated Core Network (DECOR) feature

CR 0071 rev.1 — Introduction of Dedicated Core Network (DECOR) feature

CR 0073 — Support of handover without SeNB change

CR 0074 — Extension of UE X2AP IDs

CR 0075 — Extension of UE X2AP ID

CR 0076 rev.1 — Extension of X2AP IDs

CR 0077 — Introduction of UP-based solution for small data transfer

Version history

Indexed versions

Showing 42 of 42 indexed versions.

19.0.0Rel-19SA#1092025-10-02

18.1.0Rel-18RAN#1042024-07-03

18.0.0Rel-18SA#1032024-04-03

17.1.0Rel-17RAN#962022-06-23

17.0.0Rel-17RAN#95-e2022-04-06

16.0.0Rel-16SA#88-e2020-07-16

15.1.0Rel-15RAN#822019-01-08

15.0.0Rel-15RAN#782018-01-12

14.0.0Rel-14RAN#752017-03-25

13.2.0Rel-13RAN#722016-07-01

13.1.0Rel-13RAN#712016-03-19

13.0.0Rel-13RAN#702015-12-21

12.3.0Rel-12RAN#702015-12-21

12.2.0Rel-12RAN#672015-03-21

12.1.0Rel-12RAN#662014-12-26

12.0.0Rel-12SA#652014-09-22

11.2.0Rel-11RAN#612013-09-19

11.1.0Rel-11RAN#582012-12-19

11.0.0Rel-11SA#572012-09-24

10.4.0Rel-10RAN#562012-07-02

10.3.0Rel-10RAN#532011-09-27

10.2.0Rel-10RAN#522011-06-24

9.2.1Rel-9RAN#512011-04-07

10.1.0Rel-10RAN#512011-04-04

10.0.0Rel-10RAN#502010-12-21

9.2.0Rel-9RAN#482010-06-15

8.8.0Rel-8RAN#482010-06-15

9.1.0Rel-9RAN#472010-04-06

9.0.0Rel-9SA#462009-12-18

8.7.0Rel-8RAN#452009-09-30

8.6.0Rel-8RAN#442009-06-12

8.5.0Rel-8RAN#432009-03-17

8.4.0Rel-8RAN#422008-12-16

8.3.0Rel-8RAN#412008-09-23

8.2.0Rel-8RAN#402008-06-10

8.1.0Rel-8RAN#392008-03-20

8.0.0Rel-8RAN#382007-12-11

2.0.0Rel-8 · pre-approvalRAN#382007-12-11

1.0.1Rel-8 · pre-approval-2007-10-25

1.0.0Rel-8 · pre-approvalRAN#372007-09-24

0.0.2Rel-8 · pre-approval-2007-06-20

0.0.0Rel-8 · pre-approval-2007-01-30

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 36.401

Flexible Alerting

Rel-8official

Stage 3 FA

Rel-8official

Stage 1 FA

Rel-8official

LTE

Rel-8 LTE 3G Long Term Evolution - Evolved Packet System RAN part

Rel-8official

LTE-interfaces

LTE eUTRAN Interfaces

Rel-8official

TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed

EHNB-RAN3

Home NB and Home eNB enhancements - RAN3 aspects

Rel-9official

LCS_LTE

Positioning Support for LTE

Rel-9official

MBMS_LTE

MBMS support in LTE

Rel-9parsed

SON

Rel-9 Self-Organizing Networks (SON)

Rel-9parsed

TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed

HNB_HENB_mob_enh-Core

Core part: HNB and HeNB Mobility Enhancements

Rel-10official

TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed

eICIC_LTE-Core

Core part: Enhanced Inter-Cell Interference Control (ICIC) for non-Carrier Aggregation (CA) based deployments of heterogeneous networks for LTE

Rel-10parsed

LCS_LTE-NBPS

Network-Based Positioning Support for LTE

Rel-11official

LCS_LTE-NBPS-Core

Core part: Network-Based Positioning Support for LTE

Rel-11official

TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed

COMP_LTE_IeNB-Core

Core part: Inter-eNB Coordinated Multi-Point (CoMP) for LTE

Rel-12parsed

LTE_SC_enh_dualC-Core

Core part: Dual connectivity for LTE

Rel-12parsed

TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

COMP_LTE_IeNB_sig

Enhanced Signalling for Inter-eNB Coordinated Multi-Point (CoMP) for LTE

Rel-13parsed

DECOR-UTRA_LTE-Core

Core part: Dedicated Core Networks

Rel-13parsed

LTE_dualC_ext-Core

Core part: Extension of Dual Connectivity in E-UTRAN

Rel-13parsed

LTE_extDRX-Core

Core part: RAN enhancements for extended DRX in LTE

Rel-13parsed

NB_IOT-Core

Core part: Narrowband Internet of Things (IOT)

Rel-13parsed

TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed

LTE_WLAN_aggr-Core

Core part: Enhanced LTE-WLAN Aggregation (LWA)

Rel-14parsed

LTE_UDC-Core

Core part: UL data compression in LTE

Rel-15parsed

NR_newRAT-Core

Core part: New Radio Access Technology

Rel-15parsed

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

TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed

TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed

IoT_NTN_Ph3-Core

Core part: Non-Terrestrial Networks (NTN) for Internet of Things (IoT) Phase 3

Rel-19parsed

LCS

Location Services

R99official

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