TS 38.340 – Backhaul Adaptation Protocol (BAP) Specification
3GPP TS 38.340 is the 3GPP Technical Specification for Backhaul Adaptation Protocol (BAP) Specification. It is published in 4 releases (Rel-16 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines Backhaul Adaptation Protocol for IAB networks, covering routing, data transfer, and configuration procedures.
Releases and versions of TS 38.340
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.2.0 | Read · Download (3GPP) |
| Rel-17 | 17.5.0 | Read · Download (3GPP) |
| Rel-16 | 16.5.0 | Read · Download (3GPP) |
Scope of TS 38.340
Category: Radio Access (Protocol Specification). Technology generation: 5G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 38.340
Specifications that reference TS 38.340
- TS 38.300 NR and NG-RAN Overall Description
- TS 38.331 NR Radio Resource Control (RRC)
- TS 37.340 Overview of Multi-Connectivity Operation using E-UTRA and NR
- TS 38.401 NG-RAN Architecture Description
- TS 38.306 NR UE Radio Access Capability Parameters
- TS 38.473 F1 Application Protocol (F1AP)
- TS 38.322 NR Radio Link Control (RLC) Protocol Specification
- TR 38.822 NR UE Feature and Capability List
- TR 33.824 Security Study for NR Integrated Access & Backhaul
Other specifications in the 38 series
- TS 38.321 NR MAC Protocol Specification
- TS 38.322 NR Radio Link Control (RLC) Protocol Specification
- TS 38.323 PDCP Protocol Specification
- TS 38.331 NR Radio Resource Control (RRC)
- TS 38.351 Sidelink Relay Adaptation Protocol (SRAP)
- TS 38.355 Sidelink Positioning Protocol (SLPP) Specification
- TS 38.391 Ambient IoT MAC Protocol
- TS 38.401 NG-RAN Architecture Description
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 38.340?
3GPP TS 38.340 is the 3GPP Technical Specification for Backhaul Adaptation Protocol (BAP) Specification. Defines Backhaul Adaptation Protocol for IAB networks, covering routing, data transfer, and configuration procedures.
Which 3GPP releases include TS 38.340?
TS 38.340 is published in 4 releases, from Rel-16 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 38.340 belong to?
TS 38.340 belongs to the Radio Access (Protocol Specification) category of 3GPP specifications. It applies to 5G networks.
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