3 Definitions and abbreviations

23.6823GPPArchitecture enhancements to facilitate communications with packet data networks and applicationsRelease 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [1] apply.

For the purposes of the present document, the following terms and definitions given in TS 23.401 [7] apply:

RACS

WB-E-UTRAN

LTE-M

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 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 TR 21.905 [1].

AS Application Server

CDR Charging Data Record

CDF Charging Data Function

CGF Charging Gateway Function

CIoT Cellular Internet of Things

CP Communication Pattern

DDN Downlink Data Notification

IWK-SCEF Interworking SCEF

MTC Machine Type Communications

MTC-IWF Machine Type Communications-InterWorking Function

NIDD Non-IP Data Delivery

PCRF Policy and Charging Rules Function

P‑GW PDN Gateway

PFDF Packet Flow Description Function

PSM Power Saving Mode

SCEF Service Capability Exposure Function

SCS Services Capability Server

SLF Subscriber Location Function

SME Short Message Entities

SMS-SC Short Message Service-Service Centre

SRI Send Routing Information

UCMF UE radio Capability Management Function

WB-E-UTRAN Wide Band E-UTRAN