TS 45.004 – GSM/EDGE Modulation Specification
3GPP TS 45.004 is the 3GPP Technical Specification for GSM/EDGE Modulation Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines modulation formats (GMSK, 8PSK, QAM) for GSM/EDGE radio transmission, including symbol rates, filtering, and phase requirements.
Releases and versions of TS 45.004
| 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 | 14.1.0 | Read · Download (3GPP) |
| Rel-13 | 13.4.0 | 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 | 9.1.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 45.004
Category: Radio Access (Physical Layer). Technology generation: 2G. Network layer: RAN.
Who should read this specification?
- Device manufacturers
- Network operators
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications that reference TS 45.004
- TS 25.101 UTRA FDD UE RF Requirements
- TS 25.104 UTRA FDD Base Station RF Characteristics
- TS 25.141 UTRA FDD Base Station RF Conformance Testing
- TS 43.064 GPRS Radio Interface Lower-Layer Functions
- TS 37.105 AAS Base Station Radio Requirements
- TS 37.145 AAS Base Station Radiated Requirements
- TS 51.021 RF test methods and conformance requirements for GSM BSS
- TS 25.111 LMU RF Characteristics for UTRA FDD
Other specifications in the 45 series
- TS 45.001 GSM Physical Layer Introduction
- TS 45.002 GSM/EDGE Radio Physical Layer Specification
- TS 45.003 Channel Coding and Multiplexing for GSM/EDGE
- TS 45.005 GSM RF Requirements for MS and BSS
- TS 45.008 GSM Radio Link Control Specification
- TS 45.009 GSM AMR Link Adaptation & Control
- TS 45.010 GSM Radio Subsystem Synchronization Requirements
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 45.004?
3GPP TS 45.004 is the 3GPP Technical Specification for GSM/EDGE Modulation Specification. Defines modulation formats (GMSK, 8PSK, QAM) for GSM/EDGE radio transmission, including symbol rates, filtering, and phase requirements.
Which 3GPP releases include TS 45.004?
TS 45.004 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 45.004 belong to?
TS 45.004 belongs to the Radio Access (Physical Layer) category of 3GPP specifications. It applies to 2G networks.
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