TSG RAN WG1 (Radio layer 1) Responsible for the specification of the physical layer of the radio Interface for UE, UTRAN, Evolved UTRAN, and beyond; covering both FDD and TDD modes of radio interface.
**Satoshi Nagata elected vice chairman of RAN WG1.**
Useful links and information
| About TSG RAN1 | List of elected officials |
| Documents | Documents area |
| Specifications | |
| Work items | |
| Meetings | Next meeting information & previous meeting reports and documents |
| Liaisons Statements | |
| Full RAN1 meeting calendar | |
| General info | Email exploder lists |
| RAN Working groups and Ad Hoc groups | |
|---|---|
| TSG RAN Plenary | |
| TSG RAN WG1 | Radio Layer 1 specification |
| TSG RAN WG2 | Radio Layer 2 and Radio Layer 3 RR specification |
| TSG RAN WG3 | Iub Iur and Iu specification - UTRAN O&M requirements |
| TSG RAN WG4 | Radio performance and protocol aspects (system) - RF parameters and BS conformance |
| TSG RAN WG5 | Mobile terminal conformance testing |
| TSG RAN AHG1 | Ad-hoc group on ITU (internal) co-ordination |
Terms of reference
RAN1 terms of reference (RP-110963.zip) were approved at TSG#53 in Fukuoka, Japan in September 2011.
Within the scope of TSG-RAN, RAN WG1 is responsible for the development of specifications dealing with UTRA, Evolved UTRA, and beyond. RAN WG1 is responsible for:
Specification of the physical layer of the Uu radio Interface for UE, UTRAN, Evolved UTRAN, and beyond, covering both FDD and TDD modes, as well as the physical layer of the Un Interface for Relay Nodes. The work in RAN WG1 includes especially:
- Specification of physical channel structures
- Specification of the mapping of the transport channels onto physical channels
- Specification of the physical layer multiplexing, and channel coding and error detection
- Specification of the spreading and modulation
- Specification of the physical layer procedures
- Specification of definition of measurements and their provision by the physical layer to the upper layers RAN WG1 also carries out work related to handling of the physical layer related UE capabilities and to physical layer related parameters used in UE tests developed in TSG RAN.

