TS 45.009 – GSM AMR Link Adaptation & Control
3GPP TS 45.009 is the 3GPP Technical Specification for GSM AMR Link Adaptation & Control. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies requirements for in-call link adaptation and control for GSM Adaptive Multi-Rate speech services, including inband signaling and codec mode adaptation.
Releases and versions of TS 45.009
| 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 | 12.1.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.1.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 45.009
Category: Radio Access (Speech Codec Adaptation). Technology generation: 2G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 45.009
Other specifications in the 45 series
- TS 45.003 Channel Coding and Multiplexing for GSM/EDGE
- TS 45.004 GSM/EDGE Modulation Specification
- TS 45.005 GSM RF Requirements for MS and BSS
- TS 45.008 GSM Radio Link Control Specification
- TS 45.010 GSM Radio Subsystem Synchronization Requirements
- TS 45.015 DARP Phase II Requirements for Release 5 MS
- TS 45.022 GSM Radio Link Control Examples
- TS 45.050 Background on GSM RF Requirements Derivation
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 45.009?
3GPP TS 45.009 is the 3GPP Technical Specification for GSM AMR Link Adaptation & Control. Specifies requirements for in-call link adaptation and control for GSM Adaptive Multi-Rate speech services, including inband signaling and codec mode adaptation.
Which 3GPP releases include TS 45.009?
TS 45.009 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 45.009 belong to?
TS 45.009 belongs to the Radio Access (Speech Codec Adaptation) category of 3GPP specifications. It applies to 2G networks.
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