TS 44.005 – LAPDm Protocol Specification
3GPP TS 44.005 is the 3GPP Technical Specification for LAPDm Protocol Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines Link Access Procedures on Dm channel (LAPDm) for GSM radio interface signaling between MS and network.
Releases and versions of TS 44.005
| 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 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.1.0 | Read · Download (3GPP) |
Scope of TS 44.005
Category: Radio Access (Data Link Layer). Technology generation: 2G. 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 44.005
- TR 21.905 3GPP Terminology and Definitions
- TS 44.001 GSM MS-BSS Interface Overview
- TS 44.003 GSM Radio Interface Channel Definitions
- TS 44.004 GSM Physical Layer Service Definition
- TS 44.006 LAPDm Protocol for MS-BS Interface
- TS 24.007 Layer 3 Architecture for GSM/UMTS/EPS/5GS
- TS 44.018 GSM Radio Resource Management Procedures
- TS 24.010 Layer 3 Radio Interface Supplementary Services
- TS 24.011 Short Message Service (SMS) Support Procedures
Specifications that reference TS 44.005
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 24.007 Layer 3 Architecture for GSM/UMTS/EPS/5GS
- TS 44.018 GSM Radio Resource Management Procedures
- TS 44.060 GERAN RLC/MAC Protocol Specification
- TS 25.301 UE-UTRAN Radio Interface Protocol Architecture
- TS 44.006 LAPDm Protocol for MS-BS Interface
- TS 23.108 GSM Radio Interface Layer 3 Procedures
- TS 43.010 PLMN Connection Types and Network Capabilities
- TS 44.071 LMU-SMLC LCS Protocol Specification
Other specifications in the 44 series
- TS 44.001 GSM MS-BSS Interface Overview
- TS 44.003 GSM Radio Interface Channel Definitions
- TS 44.004 GSM Physical Layer Service Definition
- TS 44.006 LAPDm Protocol for MS-BS Interface
- TS 44.012 GSM SMSCB Protocol Specification
- TS 44.013 GSM MS Signalling Performance Requirements
- TS 44.014 GSM MS Conformance Testing Functions
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 44.005?
3GPP TS 44.005 is the 3GPP Technical Specification for LAPDm Protocol Specification. Defines Link Access Procedures on Dm channel (LAPDm) for GSM radio interface signaling between MS and network.
Which 3GPP releases include TS 44.005?
TS 44.005 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 44.005 belong to?
TS 44.005 belongs to the Radio Access (Data Link Layer) category of 3GPP specifications. It applies to 2G networks.
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