IoT-NTN
IoT over Non-Terrestrial Networks
IoTIntroduced Rel-17
Definition
NB-IoT and eMTC over satellite access. TS 36.331 defines SIB31 (serving cell satellite assistance), SIB32 (prediction of discontinuous coverage) and SIB33 (neighbour cells).
Evolution Across Releases
- SIB31 and SIB32 are -r17; SIB33 is -r18.
Related Specifications
TS 36.304
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode
Architecture
Rel-19TSMobilityUpdated 2026-10-16
TS 36.331
Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification
Protocol
Rel-19TSMobilityUpdated 2026-10-16