Foreword1 Scope2 References3 Definitions and abbreviations4 Reference Architecture for Data Analytics5 Network Data Analytics Functional Description5A Data Collection Coordination and Delivery Functional Description5B Analytics Data Repository Functional Description6 Procedures to Support Network Data Analytics6.0 General6.1 Procedures for analytics exposure6.1A Analytics aggregation from multiple NWDAFs6.1B Transfer of analytics context and analytics subscription6.1C NWDAF Registration/Deregistration in UDM6.2 Procedures for Data Collection6.2.1 General6.2.2 Data Collection from NFs6.2.3 Data Collection from OAM6.2.4 Correlation between network data and service data6.2.5 Time coordination across multiple NWDAF instances6.2.6 Enhanced Procedures for Data Collection6.2.7 Data Collection with Event Muting Mechanism6.2.8 Data Collection from the UE Application6.2.9 User consent for analytics6.2A Procedure for ML Model Provisioning6.2B Analytics Data Repository procedures6.2C Federated Learning among Multiple NWDAFs6.3 Slice load level related network data analytics6.4 Observed Service Experience related network data analytics6.5 NF load analytics6.6 Network Performance Analytics6.7 UE related analytics6.8 User Data Congestion Analytics6.9 QoS Sustainability Analytics6.10 Dispersion Analytics6.11 WLAN performance analytics6.12 Session Management Congestion Control Experience Analytics6.13 Redundant Transmission Experience related analytics6.14 DN Performance Analytics6.15 Void6.16 PFD Determination Analytics7 Nnwdaf Services Description8 DCCF Services9 MFAF Services10 ADRF Services 6.15 Void 23.2883GPPArchitecture enhancements for 5G System (5GS) to support network data analytics servicesRelease 18TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM