3GPP 38.300 v19.3.0 — the document's own text
6.11.1 Services and Functions
Taught in 2. The six working groups and the line between them (TSG RAN — the group that specifies the radio, overview).
The main service and functions of the BAP sublayer include:
- Transfer of data;
- Routing of packets to next hop;
- Determination of BAP destination and BAP path for packets from upper layers;
- Determination of egress BH RLC channels for packets routed to next hop;
- Differentiating traffic to be delivered to upper layers from traffic to be delivered to egress link;
- Flow control feedback and polling signalling;
- BH RLF detection indication, BH RLF recovery indication, and BH RLF indication;
- BAP header rewriting.