Content for  TS 32.290  Word version:  18.1.0

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1  Scopep. 6

The present document specifies service, operations and procedures of 5G charging for service based interface. This charging description includes the charging architecture and scenarios as well as the mapping of the common charging architecture specified in TS 32.240. The present document is related to other 3GPP charging TSs as follows:
  • The common 3GPP charging architecture is specified in TS 32.240.
  • The protocol that are used for service based interface is specified in TS 32.291.
    The description is following the same methodology as used in TS 23.501 and TS 23.502 for the 5G system.

2  Referencesp. 6

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.
TS 32.240: "Telecommunication management; Charging management; Charging architecture and principles".
[2] - [29]  Void.
TS 32.255: "Telecommunication management; Charging management; 5G Data connectivity domain charging; stage 2".
TS 32.260: "Telecommunication management; Charging management; IP Multimedia Subsystem (IMS) charging".
TS 32.254: "Telecommunication management; Charging management; Exposure function Northbound Application Program Interfaces (APIs) charging".
TS 32.256: "Telecommunication management; Charging management; 5G connection and mobility domain charging; Stage 2".
TS 32.274: "Telecommunication management; Charging management; Short Message Service (SMS) charging".
TS 28.201: "Telecommunication management; Charging management; Network slice performance and analytics charging in the 5G System (5GS); Stage 2".
TS 28.202: "Telecommunication management; Charging management; Network slice management charging in the 5G System (5GS); Stage 2".
TS 32.270: "Telecommunication management; Charging management; Multimedia Messaging Service (MMS) charging".
TS 32.257: "Telecommunication management; Charging management; Edge computing domain charging".
[39] - [49]  Void.
TS 32.299: "Telecommunication management; Charging management; Diameter charging application".
[51] - [54]  Void.
[55] - [57]  Void.
TS 32.291: "Telecommunication management; Charging management; 5G system; Charging service, stage 3.
[59] - [99]  Void.
TR 21.905: "Vocabulary for 3GPP Specifications".
[101] - [200]  Void.
TS 23.501: "System Architecture for the 5G System; Stage 2".
TS 23.502: "Procedures for the 5G System; Stage 2".
[203] - [206]  Void.
[207] - [299]  Void.
TS 29.510: "5G System; Network function repository services; Stage 3".
[301] - [370]  Void.
[371] - [399]  Void.
[400] - [499]  Void.
[500] - [599]  Void.

3  Definitions, symbols and abbreviationsp. 7

3.1  Definitionsp. 7

For the purposes of the present document, the terms and definitions given in TR 21.905, TS 32.240 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in either TR 21.905 or TS 32.240.
5G Access Network:
An access network comprising a NG-RAN and/or non-3GPP AN connecting to a 5G Core Network.
5G Core Network:
The core network specified in the present document. It connects to a 5G Access Network.
NF service:
a functionality exposed by a NF through a service based interface and consumed by other authorized NFs.
NF service operation:
An elementary unit a NF service is composed of.
service based interface:
It represents how a set of services is provided/exposed by a given NF.
charging session:
The association between the CHF (NF Service Producer) that provides the charging service and NF service consumer.

3.2  Symbolsp. 7

For the purposes of the present document, the following symbols apply:
Service-based interface exhibited by Charging Function.

3.3  Abbreviationsp. 7

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.
5G Core Network
5G System
Access and Mobility Management Function
Converged Charging System
Charging Enablement Function
Charging Function
Immediate Event Charging
Multimedia Messaging Service
Management Service
Network Function
Policy Control Function
Service based Interface
Short Message Service Function
Session Management Function

4  Architecture reference modelp. 8

4.1  Generalp. 8

The present document describes the service based architecture for 5G Charging.

4.2  Reference architecturep. 8

The NFs with CTF interact with CHF using Nchf interface for converged charging or offline only charging. The NF PCF interacts with CHF using Nchf interface for Spending Limit Control. The Nchf is a service based interface for NF and CHF.
Figure 4.2.1 depicts the reference architecture for the Nchf Interface.
Copy of original 3GPP image for 3GPP TS 32.290, Fig. 4.2.1: Reference Architecture for the Nchf Interface; SBI representation

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