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Content for  TS 29.520  Word version:  18.6.0

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1  Scopep. 17

The present specification provides the stage 3 definition of the Network Data Analytics Function Services of the 5G System.
The 5G System Architecture is defined in TS 23.501. The stage 2 definition and related procedures for Network Data Analytics Function Services are specified in TS 23.288 and TS 23.503.
The 5G System stage 3 call flows are provided in TS 29.552 and TS 29.513.
The Technical Realization of the Service Based Architecture and the Principles and Guidelines for Services Definition are specified in TS 29.500 and TS 29.501.
The Network Data Analytics Function Services are provided by the Network Data Analytics Function (NWDAF).
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2  Referencesp. 17

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 23.501: "System Architecture for the 5G System; Stage 2".
[3]  Void.
[4]
TS 23.503: "Policy and Charging Control Framework for the 5G System; Stage 2".
[5]
TS 29.513: "5G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3".
[6]
TS 29.500: "5G System; Technical Realization of Service Based Architecture; Stage 3".
[7]
TS 29.501: "5G System; Principles and Guidelines for Services Definition; Stage 3".
[8]
TS 29.571: "5G System; Common Data Types for Service Based Interfaces; Stage 3".
[9]
RFC 9113:  "HTTP/2".
[10]
RFC 8259:  "The JavaScript Object Notation (JSON) Data Interchange Format".
[11]
OpenAPI: "OpenAPI Specification Version 3.0.0", https://spec.openapis.org/oas/v3.0.0
[12]
TS 29.510: "5G System; Network Function Repository Services; Stage 3".
[13]
TS 33.501: "Security architecture and procedures for 5G system".
[14]
RFC 6749:  "The OAuth 2.0 Authorization Framework".
[15]
RFC 9457:  "Problem Details for HTTP APIs".
[16]
TR 21.900: "Technical Specification Group working methods".
[17]
TS 23.288: "Architecture enhancements for 5G System (5GS) to support network data analytics services".
[18]
TS 29.554: "5G System; Background Data Transfer Policy Control Service; Stage 3".
[19]
TS 29.122: "T8 reference point for Northbound APIs".
[20]
TS 29.523: "5G System; Policy Control Event Exposure Service; Stage 3".
[21]
TS 29.514: "5G System; Policy Authorization Service; Stage 3".
[22]
TS 29.517: "5G System; Application Function (AF) event exposure service".
[23]
TS 29.503: "5G System; Unified Data Management Services; Stage 3".
[24]
TS 29.531: "5G System; Network Slice Selection Services; Stage 3".
[25]
TS 29.552: "5G System; Network Data Analytics signalling flows; Stage 3".
[26]
TS 29.574: "5G System; Data Collection Coordination Services; Stage 3".
[27]
TS 29.575: "5G System; Analytics Data Repository Services; Stage 3".
[28]
TS 29.576: "5G System; Messaging Framework Adaptor Services; Stage 3".
[29]
TS 29.508: "5G System; Session Management Event Exposure Service; Stage 3".
[30]
TS 29.572: "5G System; Location Management Services; Stage 3".
[31]
IANA: "SMI Network Management Private Enterprise Codes", http://www.iana.org/assignments/enterprise-numbers.
[32]
TS 29.522: "5G System; Network Exposure Function Northbound APIs; Stage 3".
[33]
RFC 6733:  "Diameter Base Protocol".
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3  Definitions and abbreviationsp. 18

3.1  Definitionsp. 18

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.

3.2  Abbreviationsp. 18

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
5QI
5G QoS Identifier
ADRF
Analytics Data Repository Function
AF
Application Function
AI/ML
Artificial Intelligence/Machine Learning
AMF
Access and Mobility Management Function
AOI
Area of Interest
API
Application Programming Interface
CEF
Charging Enablement Function
DCCF
Data Collection Coordination Function
DNN
Data Network Name
FL
Federated Learning
GFBR
Guaranteed Flow Bit Rate
GMLC
Gateway Mobile Location Centre
HTTP
Hypertext Transfer Protocol
JSON
JavaScript Object Notation
LADN
Local Area Data Network
LMF
Location Management Function
MFAF
Messaging Framework Adaptor Function
ML
Machine Learning
MTLF
Model Training Logical Function
NEF
Network Exposure Function
NF
Network Function
NLOS
Non Line Of Sight
NRF
Network Repository Function
NSSF
Network Slice Selection Function
NWDAF
Network Data Analytics Function
OAM
Operation, Administration, and Maintenance
PCF
Policy Control Function
PFD
Packet Flow Description
PFDF
Packet Flow Description Function
S-NSSAI
Single Network Slice Selection Assistance Information
SMCC
Session Management Congestion Control
SMCCE
Session Management Congestion Control Experience
SMF
Session Management Function
SSC
Session and Service Continuity
SUPI
Subscription Permanent Identifier
UDM
Unified Data Management
UPF
User Plane Function
URI
Uniform Resource Identifier
URSP
UE Route Selection Policy
UTC
Universal Time Coordinated
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