TS 36.401 – E-UTRAN Overall Architecture Description
3GPP TS 36.401 is the 3GPP Technical Specification for E-UTRAN Overall Architecture Description. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Describes E-UTRAN architecture, interfaces (S1, X2), protocol stacks, identifiers, and principles for LTE networks.
Releases and versions of TS 36.401
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.1.0 | Read · Download (3GPP) |
| Rel-17 | 17.1.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.1.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.2.0 | Read · Download (3GPP) |
| Rel-12 | 12.3.0 | Read · Download (3GPP) |
| Rel-11 | 11.2.0 | Read · Download (3GPP) |
| Rel-10 | 10.4.0 | Read · Download (3GPP) |
| Rel-9 | 9.2.1 | Read · Download (3GPP) |
| Rel-8 | 8.8.0 | Read · Download (3GPP) |
Scope of TS 36.401
Category: Radio Access (Architecture). Technology generation: 4G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 36.401
- TS 23.003 Numbering, Addressing and Identification
- TR 44.901 Extended NACC for External Cell Change
- TS 48.018 BSS-SGSN Interface for GPRS Control
- TS 23.251 Network Sharing Stage 2 Specification
- TS 22.268 Public Warning System (PWS) Requirements
- TS 33.401 EPS Security Architecture
- TS 32.421 Subscriber & Equipment Trace Concepts & Requirements
- TS 32.422 Trace, MDT and UE Measurement Control
- TS 32.423 Trace Data Definition and Management
- TR 21.905 3GPP Terminology and Definitions
- TS 32.441 Trace Management IRP Requirements
- TS 32.442 Trace Management IRP: Information Service
Specifications that reference TS 36.401
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 23.002 3GPP System Architecture Overview
- TS 38.413 NG Application Protocol (NGAP) Specification
- TS 36.413 S1 Application Protocol (S1AP) for E-UTRAN
- TS 38.401 NG-RAN Architecture Description
- TS 31.111 USIM Application Toolkit (USAT) Specification
- TS 36.423 X2 Application Protocol (X2AP) Specification
- TS 43.129 PS Handover in GERAN A/Gb and GAN Modes
- TS 25.423 UTRAN RNSAP Specification
- TS 38.425 NR User Plane Protocol Specification
- TS 36.455 LTE Positioning Protocol Annex (LPPa)
- TS 36.443 M2 Application Protocol (M2AP) for E-UTRAN
Other specifications in the 36 series
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 36.355 LTE Positioning Protocol (LPP)
- TS 36.360 LTE-WLAN Aggregation Adaptation Protocol
- TS 36.361 LWIP Encapsulation Protocol Specification
- TS 36.410 S1 Interface: General Aspects and Principles
- TS 36.411 S1 Interface Layer 1 Specification
- TS 36.412 S1 Signalling Transport Specification
- TS 36.413 S1 Application Protocol (S1AP) for E-UTRAN
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 36.401?
3GPP TS 36.401 is the 3GPP Technical Specification for E-UTRAN Overall Architecture Description. Describes E-UTRAN architecture, interfaces (S1, X2), protocol stacks, identifiers, and principles for LTE networks.
Which 3GPP releases include TS 36.401?
TS 36.401 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 36.401 belong to?
TS 36.401 belongs to the Radio Access (Architecture) category of 3GPP specifications. It applies to 4G networks.
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