6G • Services
ITU-R Study Group 5 (SG5)
International Telecommunication Union Radiocommunication Study Group 5
The global United Nations treaty body responsible for terrestrial radiocommunication services, spectrum harmonization, and IMT standards.
Technical Explanation
Operating within the UN International Telecommunication Union in Geneva, ITU-R Study Group 5 (and its dedicated Working Party 5D - WP 5D) serves as the supreme international authority governing mobile wireless systems. SG5 develops the formal technical recommendations and radio interface specifications for 3G (IMT-2000), 4G (IMT-Advanced), 5G (IMT-2020), and now 6G (IMT-2030).
Key Functions
- Establishes international radio treaty regulations and technical recommendations
- Evaluates candidate radio interface technologies (RITs) submitted by 3GPP and IEEE
- Harmonizes global spectrum bands to prevent cross-border radio interference
- Authors landmark IMT vision and technical capability recommendations
Specifications
ITU-R SG5 Mandate, Resolution ITU-R 65 (IMT Development)
Interfaces
UN ITU-R Plenary3GPP Organizational Partners Coordination
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