3 Definitions and abbreviations

29.5543GPP5G SystemBackground Data Transfer Policy Control ServiceRelease 18Stage 3TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

Background data transfer: feature that enables a 3rd party service provider to keep their costs lower by favouring time windows for data transfer to specific UEs in a geographical area during non-busy hours that are less costly and able to handle larger bitrates.

For the purposes of the present document, the following terms and definitions given in 3GPP TS 23.501 [2], clause 3.1 apply:

5G System

Network Function

NF service

NF service operation

Service based interface

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

AF Application Function

ASP Application Service Provider

BDT Background Data Transfer

DNN Data Network Name

JSON JavaScript Object Notation

NEF Network Exposure Function

NG-RAN Next Generation – Radio Access Network

NRF Network Repository Function

NWDAF Network Data Analytics Function

PCF Policy Control Function

SBI Service Based Interface

S-NSSAI Single Network Slice Selection Assistance Information

TAI Tracking Area Identity

UDR Unified Data Repository