2019/09 10 p.
The present document specifies the standards for user data transport protocols and related signalling protocols to
establish user plane transport bearers over the F1 interface. The F1 interface provides means for interconnecting a gNBCU
and a gNB‑DU of a gNB within an NG‑RAN, or for interconnection a gNB‑CU and a gNB‑DU of an en‑gNB within an E‑UTRAN.
full Table of Contents for TS 38.474 Word version: 15.3.0