Content for TS 29.552 Word version: 17.3.0
5 Signalling Flows for the Network Data Analytics Framework
5.1 General
5.2 Analytics Exposure Procedures
5.3 Analytics Aggregation from Multiple NWDAFs
5.4 Procedures for Analytics Transferring
5.5 Data Collection
5.6 ML Model provisioning procedures
5.7 Procedures for Specific Network Data Analytics
5.8 Procedures for NWDAF Discovery and Selection
5.9 Analytics Data Repository procedures
$ Change history
5 Signalling Flows for the Network Data Analytics Framework p. 12
5.1 General p. 12
5.2 Analytics Exposure Procedures p. 12
5.2.1 General p. 12
5.2.2 Network data analytics Subscribe/Unsubscribe/Notify p. 12
5.2.2.1 Analytics Subscribe/Unsubscribe/Notify initiated by 5GC NFs, OAM or AFs p. 12
5.2.2.2 Analytics Subscribe/Unsubscribe/Notify initiated by AFs via the NEF p. 13
5.2.3 Network data analytics information request p. 14
5.2.3.1 Analytics information request initiated by 5GC NFs, OAM or AFs p. 14
5.2.3.2 Analytics information request initiated by AFs via the NEF p. 15
5.2.4 Analytics Exposure via DCCF p. 15
5.2.5 Analytics Exposure via DCCF and MFAF p. 19
5.3 Analytics Aggregation from Multiple NWDAFs p. 24
5.3.1 General p. 24
5.3.2 Analytics aggregation with provisioning of Area of Interest p. 24
5.3.3 Analytics aggregation without provisioning of Area of Interest p. 26
5.4 Procedures for Analytics Transferring p. 27
5.4.1 Analytics context transfer initiated by target NWDAF selected by the NWDAF service consumer p. 27
5.4.2 Analytics Subscription Transfer initiated by source NWDAF p. 29
5.4.3 Prepared analytics subscription transfer p. 32
5.5 Data Collection p. 34
5.5.1 Procedure for Data Collection from NFs p. 34
5.5.2 Data collection profile registration p. 35
5.5.3 Procedure for Data Collection using DCCF p. 37
5.6 ML Model provisioning procedures p. 45
5.7 Procedures for Specific Network Data Analytics p. 46
5.7.1 General p. 46
5.7.2 Network Slice (Instance) load level Analytics p. 46
5.7.3 Observed Service Experience Analytics p. 49
5.7.4 NF load Analytics p. 52
5.7.5 Network Performance Analytics p. 55
5.7.6 UE Mobility Analytics p. 57
5.7.7 UE Communication Analytics p. 60
5.7.8 Expected UE behavioural Analytics p. 63
5.7.9 Abnormal UE behavioural Analytics p. 64
5.7.10 User Data Congestion Analytics p. 65
5.7.11 QoS Sustainability Analytics p. 68
5.7.12 Dispersion Analytics p. 69
5.7.13 WLAN Performance Analytics p. 72
5.7.14 Session Management Congestion Control Experience Analytics p. 74
5.7.15 Redundant Transmission Experience Analytics p. 75
5.7.16 DN Performance Analytics p. 78
5.8 Procedures for NWDAF Discovery and Selection p. 80
5.8.1 General p. 80
5.8.2 Procedures related to NRF p. 81
5.8.2.1 General p. 81
5.8.2.2 NWDAF Registration in NRF p. 81
5.8.2.3 Consumer discovery and selection of NWDAF in NRF p. 81
5.8.3 Procedures related to UDM p. 81
5.8.3.1 General p. 81
5.8.3.2 NWDAF containing AnLF Registration/Deregistration in UDM p. 81
5.8.3.2.1 NWDAF containing AnLF Registration in UDM p. 81
5.8.3.2.2 NWDAF containing AnLF Update of Registration in UDM p. 82
5.8.3.2.3 NWDAF containing AnLF De-Registration in UDM p. 82
5.8.3.3 Consumer discovery and selection of NWDAF containing AnLF in UDM p. 83
5.8.4 Procedures for PCF learning NWDAF IDs for served UEs p. 84
5.9 Analytics Data Repository procedures p. 84
$ Change history p. 89
