3GPP 38.300 v19.3.0 — the document's own text
16.23.5.1 Services and functions
The main services and functions of A-IoT MAC layer include (see TS 38.391 [66]):
- Paging;
- Access;
- Transfer of upper layer data;
- Construct MAC PDUs to be mapped onto D2R transport blocks and delivered to the physical layer;
- MAC padding;
- D2R segmentation;
- Process MAC PDUs from R2D transport blocks delivered from the physical layer;
- Failure detection.