TS 44.021 – GSM Rate Adaptation Functions for Mobile Stations
3GPP TS 44.021 is the 3GPP Technical Specification for GSM Rate Adaptation Functions for Mobile Stations. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines rate adaptation functions in GSM MS to adapt terminal data rates to MS-BSS interface rates, supporting various services.
Releases and versions of TS 44.021
| 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 | 10.0.1 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 44.021
Category: Radio Access (Data Services). Technology generation: 2G. Network layer: UE.
Who should read this specification?
- Device manufacturers
- Network operators
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 44.021
- TS 29.007 PLMN-PSTN/ISDN Interworking Requirements
- TS 27.001 Terminal Adaptation Functions for PLMN
- TS 48.060 Inband Control of Remote Transcoder/Rate Adaptors
- TS 48.061 BTS-TRAU Protocol for HR Speech/Data
- TS 24.022 Radio Link Protocol (RLP) for Circuit Switched Data
- TS 23.034 HSCSD Stage 2 Service Description
- TS 27.003 Terminal Adaptation Functions (TAF) for Synchronous Services
- TS 43.010 PLMN Connection Types and Network Capabilities
- TS 48.001 GSM A-Interface Introduction
- TS 44.318 Generic Access Network (GAN) Interface Procedures
- TS 23.202 CS Bearer Services Architecture in UMTS
Other specifications in the 44 series
- TS 44.012 GSM SMSCB Protocol Specification
- TS 44.013 GSM MS Signalling Performance Requirements
- TS 44.014 GSM MS Conformance Testing Functions
- TS 44.018 GSM Radio Resource Management Procedures
- TS 44.031 Radio Resource LCS Protocol (RRLP)
- TS 44.035 E-OTD/GPS Assistance Data Broadcast for LCS
- TS 44.056 CTS Radio Interface Layer 3 Procedures
- TS 44.057 CTS System Interface Supervision Procedures
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 44.021?
3GPP TS 44.021 is the 3GPP Technical Specification for GSM Rate Adaptation Functions for Mobile Stations. Defines rate adaptation functions in GSM MS to adapt terminal data rates to MS-BSS interface rates, supporting various services.
Which 3GPP releases include TS 44.021?
TS 44.021 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 44.021 belong to?
TS 44.021 belongs to the Radio Access (Data Services) category of 3GPP specifications. It applies to 2G networks.
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