8.14 MME Direct Information Transfer

36.4133GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN)Release 17S1 Application Protocol (S1AP)TS

8.14.1 General

The purpose of the MME Direct Information Transfer procedure is to transfer RAN information from the MME to the eNB in unacknowledged mode.

This procedure uses non-UE associated signalling.

8.14.2 Successful Operation

8.14.2.1 MME Direct Information Transfer

Figure 8.14.1.2-1: MME Direct Information Transfer procedure. Successful operation.

The procedure is initiated with a MME DIRECT INFORMATION TRANSFER message sent from the MME to the eNB.

The Inter-system Information Transfer Type IE indicates the nature of the transferred information. When the transferred information is of RIM nature, the RIM Information IE within the RIM Transfer IE shall contain a BSSGP RIM PDU. The RIM Routing Address IE shall not be present since the eNB is the final destination node.

8.14.3 Abnormal Conditions

Not applicable.