Canonical Atlas record

TS 23.401

General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access

Responsible WGS2
StatusUnder change control
Initial releaseRel-8
Selected releaseRel-99
Latest indexed version20.1.0
Series23
TypeTS
Visual answer

TS 23.401 relationship map

EPS architecture

Rel-99mixed provenance
TS 23.401EPS architecture
No mapped relationship in this release.The document may exist, but Atlas has no release-valid relationship evidence for the selected snapshot yet.

Release-aware filtering uses explicit relationship validity where mapped and official initial-release metadata where available. Unknown relationship validity remains visible and labelled rather than guessed.

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-7no version indexed2 WI1 CR
Rel-88.18.058 WI2288 CRs · 510 approved
Rel-99.16.016 WI1230 CRs · 327 approved
Rel-1010.13.018 WI986 CRs · 206 approved
Rel-1111.11.012 WI456 CRs · 93 approved
Rel-1212.11.024 WI474 CRs · 96 approved
Rel-1313.14.07 WI765 CRs · 165 approved
Rel-1414.11.04 WI398 CRs · 111 approved
Rel-1515.13.06 WI447 CRs · 112 approved
Rel-1616.14.011 WI265 CRs · 78 approved
Rel-1717.11.09 WI190 CRs · 62 approved
Rel-1818.8.06 WI149 CRs · 29 approved
Rel-1919.6.09 WI379 CRs · 44 approved
Rel-2020.1.05 WI100 CRs · 9 approved

Rel-99 snapshot

Work affecting this release

0 indexed Change Requests · 0 connected Work Items.

Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →

Version history

Indexed versions

Showing 60 of 179 indexed versions.

20.1.0Rel-20SA#1132026-09-24
20.0.0Rel-20SA#1122026-06-22
19.6.0Rel-19SA#1122026-06-22
19.5.0Rel-19SA#1102025-12-19
19.4.0Rel-19SA#1092025-09-24
19.3.0Rel-19SA#1082025-06-19
19.2.0Rel-19SA#1072025-03-25
19.1.0Rel-19SA#1062024-12-20
18.8.0Rel-18SA#1062024-12-20
19.0.0Rel-19SA#1052024-09-24
18.7.0Rel-18SA#1052024-09-24
18.6.0Rel-18SA#1042024-06-26
17.11.0Rel-17SA#1042024-06-26
18.5.0Rel-18SA#1032024-03-27
18.4.0Rel-18SA#1022023-12-19
17.10.0Rel-17SA#1022023-12-19
18.3.0Rel-18SA#1012023-09-19
17.9.0Rel-17SA#1012023-09-19
18.2.0Rel-18SA#1002023-06-21
17.8.0Rel-17SA#1002023-06-21
16.14.0Rel-16SA#1002023-06-21
18.1.0Rel-18SA#992023-03-31
18.0.0Rel-18SA#98-e2022-12-21
17.7.0Rel-17SA#98-e2022-12-21
17.6.0Rel-17SA#97-e2022-09-22
16.13.0Rel-16SA#97-e2022-09-22
15.13.0Rel-15SA#97-e2022-09-22
17.5.0Rel-17SA#962022-06-15
17.4.0Rel-17SA#95-e2022-03-23
17.3.0Rel-17SA#94-e2021-12-23
16.12.0Rel-16SA#94-e2021-12-23
17.2.0Rel-17SA#93-e2021-09-24
16.11.0Rel-16SA#93-e2021-09-24
17.1.0Rel-17SA#92-e2021-06-24
17.0.0Rel-17SA#91-e2021-03-30
16.10.0Rel-16SA#91-e2021-03-30
16.9.0Rel-16SA#90-e2020-12-17
16.8.0Rel-16SA#89-e2020-09-24
15.12.0Rel-15SA#89-e2020-09-24
16.7.0Rel-16SA#88-e2020-07-09
15.11.0Rel-15SA#88-e2020-07-09
16.6.0Rel-16SA#87-E2020-03-27
16.5.0Rel-16SA#862019-12-22
15.10.0Rel-15SA#862019-12-22
14.11.0Rel-14SA#862019-12-22
13.14.0Rel-13SA#862019-12-22
15.8.0Rel-15SA#842019-10-09
16.4.0Rel-16SA#852019-09-24
15.9.0Rel-15SA#852019-09-24
16.3.0Rel-16SA#842019-06-11
16.2.0Rel-16SA#832019-03-25
15.7.0Rel-15SA#832019-03-25
16.1.0Rel-16SA#822018-12-18
15.6.0Rel-15SA#822018-12-18
14.10.0Rel-14SA#822018-12-18
16.0.0Rel-16SA#812018-09-17
15.5.0Rel-15SA#812018-09-17
14.9.0Rel-14SA#812018-09-17
15.4.0Rel-15SA#802018-06-19
14.8.0Rel-14SA#802018-06-19

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 23.401

EMC1

PS domain and IMS impacts for supporting IMS Emergency calls (EMC1)

Rel-7parsed
PCC

Evolution of Policy Control and Charging

Rel-7parsed
EPSto2_3G

Stage 2 for Interoperation between LTE and 2G/3G

Rel-8official
EPStoC2k

Stage 2 for Interoperation between LTE and CDMA2000

Rel-8official
ETWS

SA2 aspects of ETWS

Rel-8official
ETWS

Earthquake and Tsunami Warning System

Rel-8official
HNB

UTRA HNB

Rel-8official
SAES

Stage 3 for SAE / LTE identities

Rel-8official
SAES

Stage 2/3 for Network selection procedures

Rel-8official
SAES

Stage 3 (CT4) of SAE impact on existing capabilities

Rel-8official
SAES

CT6 aspects of SAE

Rel-8official
SAES

Stage 3 SAE impact on existing capabilities

Rel-8official
SAES

Issues for CT3 TR 29.804

Rel-8official
SAES

Stage 2 Security Architecture

Rel-8official
SAES

Stage 3 (CT1) for SAE impact on services, network functions and capabilities

Rel-8official
SAES

Deleted - Issues for CT4 TR 29.803

Rel-8official
SAES

Core specification for CT6 aspects of SAE

Rel-8official
SAES

Issues for CT1 TR 24.801

Rel-8official
SAES

3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects)

Rel-8official
SAES-CSFB

Stage 2 for CS Fallback in EPS

Rel-8official
SAES-CSFB

CS Fallback in EPS

Rel-8official
SAES-GPRS_LTE

Stage 2 GPRS enhancements for LTE access

Rel-8official
SAES-IMS_LBO

System enhancements for the use of IMS services in local breakout

Rel-8official
SAES-LTE

Stage 3 for QoS mechanisms

Rel-8official
SAES-LTE

Stage 3 for security aspects of LTE Access

Rel-8official
SAES-LTE

Stage 3 for Session management, bearer control and QoS aspects

Rel-8official
SAES-LTE

Stage 3 for UE Non-Access-Stratum (NAS) mobility procedures in idle and active mode

Rel-8official
SAES-LTE

CT4 Stage 3 for protocol between EPCs

Rel-8official
SAES-LTE

SAE for LTE access

Rel-8official
SAES-LTE

Stage 3 for EPC - HSS interface

Rel-8official
SAES-SA

Deleted - SA aspects of System Architecture Evolution

Rel-8official
SAES-SA-FP_3GPP

Stage 3 for MME - SGSN signalling free protocol

Rel-8official
SAES-SA-FP_3GPP

Stage 3 for Inter-system mobility between E-UTRAN and CDMA2000

Rel-8official
SAES-SA-FP_3GPP

Stage 3 for EPC to UTRAN

Rel-8official
SAES-SA-FP_3GPP

Stage 3 for EPC to 3GPP2

Rel-8official
SAES-SA-FP_3GPP

Stage 3 for EPC - GPRS

Rel-8official
SAES-SA-FP_3GPP

Stage 2 GPRS for EPC (23.060, etc.)

Rel-8official
SAES-SA-FP_3GPP

Stage 3 for Inter-system mobility between E-UTRAN and 2G/3G

Rel-8official
SAES-SA-FP_LTE-GTP

CT4 Stage 3 for GTP v2 protocol

Rel-8official
SAES-SA-FP_LTE-GTP

SAES-SA-FP_LTE with GTP variant

Rel-8official
SAES-SA-FP_LTE-GTP-St2

Stage 2 for SAES-SA-FP_LTE with GTP variant

Rel-8official
SAES-SA-FP_LTE-IETF

Mobile IPv4 (MIPv4) based Mobility protocols

Rel-8official
SAES-SA-FP_LTE-IETF

CT4 Stage 3 for PMIP protocol within EPC

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for interfaces within EPC

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for EPC - AAA interface

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for AAA/HSS related

Rel-8official
SAES-SA-FP_n3GPP

(IETF) Stage 3 for Interfaces EPC - non-3GPP IP access

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for Interfaces EPC - non-3GPP IP access

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for Access to the EPC via non-3GPP access networks

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 security aspects for MIPv4 Access

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 security aspects for DSMIPv6 Access

Rel-8official
SAES-SA-FP_n3GPP

Stage 2 Security aspects for non-3GPP Access

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for Inter-system mobility between E-UTRAN and non 3GPP accesses

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for Mobility management based on MIP v4

Rel-8official
SAES-SA-FP_n3GPP

(IETF) Stage 3 for Mobility management based on DSMIPv6 (RFC6275)

Rel-8official
SAES-SA-FP_n3GPP

(IETF) Stage 3 for Mobility management based on DSMIPv6 (draft-ietf-mip6-hiopt)

Rel-8official
SAES-SA-FP_n3GPP

Stage 3 for Mobility management based on DSMIPv6

Rel-8official
SAES-St2

Deleted - Stage 2 of architecture for the 3GPP System Architecture Evolution

Rel-8official
SAES-non_3GPP

Deleted - Architecture enhancements for non-3GPP accesses

Rel-8official
TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed
EHNB

Enhanced Home NodeB / eNodeB

Rel-9official
EHNB

Architecture aspects of EHNB

Rel-9official
IMS_EMER_GPRS_EPS

Stage 2 for IMS Emergency Calls over GPRS and EPS

Rel-9official
IMS_EMER_GPRS_EPS

Support for IMS Emergency Calls over GPRS and EPS

Rel-9official
IMS_EMER_GPRS_EPS-SRVCC

Single Radio Voice Call Continuity (SRVCC) support for IMS Emergency Calls

Rel-9official
IMS_EMER_GPRS_EPS-SRVCC

CT1 aspects of SRVCC support for IMS Emergency Calls

Rel-9official
LCS_EPS-CPS

Stage 2 for LCS Control Plane Solution for EPS

Rel-9official
LCS_EPS-CPS

LCS Control Plane Solution for EPS

Rel-9official
LTEimp

LTE improvements

Rel-9official
LTEimp-Vocoder

SA2 system aspects of vocoder rate adaptation for LTE

Rel-9official
LTEimp-Vocoder

System aspects of vocoder rate adaptation for LTE

Rel-9official
MBMS_EPS

MBMS support in EPS

Rel-9official
MUPSAP

Multiple PDN Connection to the Same APN for PMIP-based Interfaces

Rel-9official
MUPSAP

Stage 2 for Multiple PDN Connection to the Same APN for PMIP-based Interfaces

Rel-9official
SON

Rel-9 Self-Organizing Networks (SON)

Rel-9official
TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed
ECSRA_LAA

Stage 2 for Enabling Coder Selection and Rate Adaptation for UTRAN and E-UTRAN for Load Adaptive Applications

Rel-10official
LIPA

Stage 2 for Local IP Access

Rel-10official
LIPA_SIPTO

Local IP Access and Selected Internet IP Traffic Offload

Rel-10official
LTE_CA

Carrier Aggregation for LTE

Rel-10parsed
LTE_CA-Core

Core part: Carrier Aggregation for LTE

Rel-10parsed
LTE_Relay

Stage 2 for Relays for LTE

Rel-10official
LTE_Relay

Relays for LTE

Rel-10official
MAPCON

Multi Access PDN Connectivity

Rel-10official
MAPCON

Stage 2 for Multi Access PDN Connectivity

Rel-10official
NIMTC

Stage 2 for Network Improvements for Machine-Type Communications

Rel-10official
NIMTC

Network Improvements for Machine-Type Communications

Rel-10official
SIPTO

Stage 2 for SIPTO for macro networks

Rel-10official
SIPTO

Stage 2/3 for SIPTO for macro networks

Rel-10official
TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed
eMPS

Enhancements for Multimedia Priority Service

Rel-10parsed
ePRIOR-St2

Stage 2 on eMPS for CSFB

Rel-10official
ePRIOR-St2

Stage 2 on eMPS for EPS Bearer Service

Rel-10official
ePRIOR-St2

Stage 2 on eMPS for IMS Aspects

Rel-10official
BBAI

Stage 2 BB I: BBF interworking with home routed traffic for WLAN and H(e)NB

Rel-11official
BBAI_BBII-CTofldS2

Stage 2 BB II: BBF interworking with offload in access network for WLAN and for H(e)NB

Rel-11official
EHNB_enh1-Core

Core part: Further enhancements to H(e)NB mobility - Part 1

Rel-11parsed
Effective Acronym:

Deleted - Stage 2 BB III: BBF convergence and network based mobility

Rel-11official
NOVES-IMSESOM

Stage 2 for Non Voice Emergency Services (Support of IMS Emergency Sessions with Other Media on UTRAN and E-UTRAN)

Rel-11official
NWK-PL2IMS

Stage 2 for Network-provided Location information for IMS

Rel-11official
NWK-PL2IMS

Network-provided Location information for IMS (NETLOC)

Rel-11official
SIMTC

System Improvements to Machine-Type Communications

Rel-11official
SIMTC-Reach

BB1: Stage 2 Reachability Aspects of SIMTC

Rel-11official
TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed
VCSG

VPLMN Autonomous CSG Roaming

Rel-11official
VCSG

Stage 2 for VPLMN Autonomous CSG Roaming

Rel-11official
CNO_ULI

Core Network Overload - User Location Information reporting improvement

Rel-12parsed
CNO_ULI-SA2

Stage 2 for Core Network Overload - User Location Information reporting improvement

Rel-12official
GOCMe

GPRS Tunnelling Protocol for the Control plane (GTP-C) Overload Control Mechanisms

Rel-12parsed
LC_MTC_LTE-Core

Core part: Low cost & enhanced coverage MTC UE for LTE

Rel-12parsed
LIMONET

LIPA Mobility and SIPTO at the Local Network

Rel-12official
LIMONET-LIPA

Deleted - BB2: Stand-alone L-GW and associated Mobility for LIPA and SIPTO at the Local Network

Rel-12official
LIMONET-LIPA-del1

Deleted - Stage 2 for stand-alone L-GW and associated Mobility for LIPA and SIPTO at the Local Network

Rel-12official
LIMONET-SA3

TR on Stage 2 for LIPA Mobility and SIPTO at the Local Network

Rel-12official
LIMONET-SIPTO

BB1: SIPTO at the Local Network

Rel-12official
LIMONET-SIPTO-SA2

Stage 2 for SIPTO at the Local Network

Rel-12official
LTE_HRPD_SON

LTE-HRPD (High Rate Packet Data in 3GPP2) inter-RAT SON

Rel-12official
LTE_SC_enh_dualC

Dual connectivity for LTE

Rel-12parsed
LTE_SC_enh_dualC-Core

Core part: Dual connectivity for LTE

Rel-12parsed
MTCe

Machine-Type and other mobile data applications Communications enhancements

Rel-12parsed
MTCe-SA3TR

TR on Security aspects of Machine-Type Communications

Rel-12official
MTCe-UEPCOP

BB3: UE Power Consumptions Optimizations (UEPCOP)

Rel-12official
MTCe-UEPCOP

Stage 2 for BB3: UE Power Consumptions Optimizations (UEPCOP)

Rel-12official
OPIIS

Stage 2 for Operator Policies for IP Interface Selection

Rel-12official
PWS_Sec-del3

Deleted - Stage 2 for Security aspects of Public Warning System

Rel-12official
ProSe

Proximity-based Services

Rel-12official
TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed
UTRA_LTE_WLAN_interw-SA2

SA2 aspects of WLAN/3GPP Radio Interworking

Rel-12parsed
WORM

Optimized Offloading to WLAN in 3GPP-RAT Mobility

Rel-12official
WORM-SA2

Stage 2 for Optimized Offloading to WLAN in 3GPP-RAT Mobility

Rel-12official
DECOR

Stage 2 for Dedicated Core Networks

Rel-13official
FS_AE_CIoT

Study on architecture enhancements of cellular systems for ultra low complexity and low throughput Internet of Things

Rel-13parsed
LTE_dualC_ext-Core

Core part: Extension of Dual Connectivity in E-UTRAN

Rel-13parsed
TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed
UPCON

User Plane Congestion management

Rel-13parsed
eProSe-Ext-SA2

Stage 2 for Enhancements to Proximity-based Services - Extensions

Rel-13parsed
voE_UTRAN_PPD

voice over E-UTRAN Paging Policy Differentiation

Rel-13parsed
CIoT_Ext

Extended architecture support for Cellular Internet of Things

Rel-14parsed
NB_IOTenh

Enhancements of NB-IoT

Rel-14parsed
NB_IOTenh-Core

Core part: Enhancements of NB-IoT

Rel-14parsed
TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed
5GS_Ph1

5G System - Phase 1

Historical association · verification pending
Rel-15historical link
FS_LTE_LIGHT_CON

Stopped - Study on Stage 2 of LTE_LIGHT_CON

Rel-15parsed
LTE_Aerial

Enhanced LTE Support for Aerial Vehicles

Rel-15parsed
LTE_LIGHT_CON

Stopped - Signalling reduction to enable light connection for LTE

Rel-15parsed
LTE_eMTC4-Core

Core part: Even further enhanced MTC for LTE

Rel-15parsed
NB_IOTenh2-Core

Core part: Further NB-IoT enhancements

Rel-15parsed
5G_CIoT

Cellular IoT support and evolution for the 5G System

Historical association · verification pending
Rel-16historical link
IABARC

Architecture enhancements for the support of Integrated access and backhaul (IAB)

Rel-16parsed
LTE_eMTC5

Additional MTC enhancements for LTE

Rel-16parsed
LTE_eMTC5-Core

Core part: Additional MTC enhancements for LTE

Rel-16parsed
LTE_feMob-Core

Core part: Even further mobility enhancement in E-UTRAN

Rel-16parsed
NB_IOTenh3

Additional enhancements for NB-IoT

Rel-16parsed
NB_IOTenh3-Core

Core part: Additional enhancements for NB-IoT

Rel-16parsed
NR_Mob_enh-Core

Core part: NR mobility enhancements

Rel-16parsed
NR_unlic-Core

Core part: NR-based access to unlicensed spectrum

Rel-16parsed
RACS

Optimisations on UE radio capability signalling

Rel-16parsed
TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending
Rel-16historical link
5GSAT_ARCH

Integration of satellite components in the 5G architecture

Rel-17parsed
IIoT

Support of Enhanced Industrial IIoT

Historical association · verification pending
Rel-17historical link
IoT_SAT_ARCH_EPS

Architecture support for NB-IoT/eMTC Non-Terrestrial Networks in EPS

Rel-17parsed
LTE_NBIOT_eMTC_NTN

NB-IoT/eMTC support for Non-Terrestrial Networks

Rel-17parsed
MPS2

Multimedia Priority Service (MPS) Phase 2

Historical association · verification pending
Rel-17historical link
MUSIM

Support for Multi-USIM Devices

Historical association · verification pending
Rel-17historical link
TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed
UPIP_SEC_LTE

User Plane Integrity Protection for LTE

Rel-17parsed
eEDGE_5GC

Enhancement of support for Edge Computing in 5G Core network

Historical association · verification pending
Rel-17historical link
5GSAT_Ph2

Satellite access Phase 2

Rel-18parsed
5G_eLCS_Ph3

(stage 2 of) 5GC LoCation Services - Phase 3

Rel-18parsed
IoT_NTN_enh

IoT (Internet of Things) NTN (non-terrestrial network) enhancements

Rel-18parsed
LI18

Lawful Interception Rel-18

Rel-18parsed
MPS_WLAN

MPS when access to EPC/5GC is WLAN

Rel-18parsed
TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed
5GSAT_Ph3-ARC

Integration of satellite components in the 5G architecture Phase 3

Rel-19parsed
5GSAT_Ph3_ARCH

CT aspects of integration of satellite components in the 5G architecture Phase 3

Historical association · verification pending
Rel-19historical link
FS_5GSAT_Ph3_ARCH

Study on Integration of satellite components in the 5G architecture Phase 3

Rel-19parsed
IoT_NTN_Ph3-Core

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

Rel-19parsed
MINT_Ph2

Minimization of Service Interruption During Core Network Failure Phase 2

Rel-19parsed
MPS4msg

MPS for Messaging services

Rel-19parsed
NORDAT_CP

Stage 3 of NORDAT_CP

Rel-19parsed
TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed
TEI19_TIME_SUB_EPS

Stage 2 of Subscription control for reference time distribution in EPS

Rel-19parsed
5GSAT_Ph4-ARC

Stage 2 of Integration of satellite components in the 5G architecture Phase 4

Rel-20parsed
FS_5GSAT_Ph4_ARC

Study on Integration of satellite components in the 5G architecture Phase 4

Rel-20parsed
MPS_IOT-ARC

MPS Enhancements for IoT

Rel-20parsed
SMS2EC-ARC

Short Message Service to Emergency Response Centre

Rel-20parsed
TEI20_CoCBM-ARC

Control of Cross Border Mobility

Rel-20parsed

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.