TS 36.421 – X2 Interface Layer 1 Specification
3GPP TS 36.421 is the 3GPP Technical Specification for X2 Interface Layer 1 Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies Physical Layer standards for X2 interface between eNodeBs in LTE/E-UTRAN.
Releases and versions of TS 36.421
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.1.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.1 | Read · Download (3GPP) |
| Rel-9 | 9.0.2 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 36.421
Category: Radio Access (Physical Layer). Technology generation: 4G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 36.421
- TS 36.411 S1 Interface Layer 1 Specification
Specifications that reference TS 36.421
- TS 36.420 X2 Interface Introduction for E-UTRAN
Other specifications in the 36 series
- TS 36.412 S1 Signalling Transport Specification
- TS 36.413 S1 Application Protocol (S1AP) for E-UTRAN
- TS 36.414 S1 Interface User Plane Transport
- TS 36.420 X2 Interface Introduction for E-UTRAN
- TS 36.422 X2 Signalling Transport Specification
- TS 36.423 X2 Application Protocol (X2AP) Specification
- TS 36.424 X2 Interface User Plane Transport Protocols
- TS 36.425 X2 User Plane Protocol for Dual Connectivity
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 36.421?
3GPP TS 36.421 is the 3GPP Technical Specification for X2 Interface Layer 1 Specification. Specifies Physical Layer standards for X2 interface between eNodeBs in LTE/E-UTRAN.
Which 3GPP releases include TS 36.421?
TS 36.421 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 36.421 belong to?
TS 36.421 belongs to the Radio Access (Physical Layer) category of 3GPP specifications. It applies to 4G networks.
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