TS 05.09 – AMR Codec Mode Adaptation for GSM
3GPP TS 05.09 is the 3GPP Technical Specification for AMR Codec Mode Adaptation for GSM. It is part of 3GPP R98 (version 7.7.0).
Defines requirements for Adaptive Multi-Rate speech codec adaptation in GSM networks, including inband signaling and link quality-based mode selection.
Releases and versions of TS 05.09
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.7.0 | Read · Download (3GPP) |
Scope of TS 05.09
Category: Radio Access (Physical Layer). 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
Other specifications in the 05 series
- TS 05.03 GSM Channel Coding and Interleaving
- TS 05.04 Modulation for Digital Cellular Radio
- TS 05.05 GSM 900/1800/1900 RF Requirements
- TS 05.08 Radio Subsystem Link Control
- TS 05.10 GSM Synchronization Requirements
- TS 05.14 GSM 400 Implementation Guidelines
- TS 05.22 Hierarchical Network Radio Control Procedures
- TS 05.50 GSM/DCS RF Requirements Background
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 05.09?
3GPP TS 05.09 is the 3GPP Technical Specification for AMR Codec Mode Adaptation for GSM. Defines requirements for Adaptive Multi-Rate speech codec adaptation in GSM networks, including inband signaling and link quality-based mode selection.
Which 3GPP releases include TS 05.09?
TS 05.09 is part of 3GPP R98. The latest version on 3GPP Explorer is 7.7.0 (R98).
What category does TS 05.09 belong to?
TS 05.09 belongs to the Radio Access (Physical Layer) category of 3GPP specifications. It applies to 2G networks.
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