DU Configuration Update

Standard Defination

3GPP Standard: TS 38.473

Elements for F1AP DU Configuration Update

DU Configuration Update

DU Configuration Update Acknowledgement

DU Configuration Update Failure

Current Status

OSC DU-High

Currently, OAI DU-High only provides Served Cells to Modify Lists IE & Served Cells to Delete Lists IE.

path: o-du-l2/src/du_app/du_f1ap_msg_hdl.c

And, it only handles Served Cells to Delete Lists in DU Configuration Update Acknowledgement message.

path: o-du-l2/src/du_app/du_f1ap_msg_hdl.c

OSC CU STUB

Call Flow:

Handling of DU Configuration Update by OSC-CU:

path: o-du-l2/src/cu_stub/cu_f1ap_msg_hdl.c

Only handles the Served Cells to Delete List in processing DU Configuration Update in OSC-CU.

path: o-du-l2/src/cu_stub/cu_f1ap_msg_hdl.c

OAI CU

In OAI CU side, there are only macros for the DU Configuration Update message. We will write code in this region.

path: openairinterface/openair2/F1AP/f1ap_cu_interface_management.c