eNodeB
Evolved Node B
Radio Access NetworkIntroduced Rel-8
Definition
The LTE radio base station, combining the functions of the UMTS Node B and RNC into a single flat-architecture element that terminates the radio interface and connects directly to the EPC.
Evolution Across Releases
- Introduced in Rel-8 as the sole radio element of E-UTRAN, replacing the Node B/RNC split used in UMTS.
Related Specifications
TS 36.300
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.401
Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Architecture description
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25