3 Definitions and abbreviations

23.2023GPPCircuit switched data bearer servicesRelease 17TS

3.1 Definitions

The term ‘Mobile Station’ (MS) in the present document is synonymous with the term ‘User Equipment’ (UE ) as defined in 3GPP TR 21.905 [2].

For the purposes of the present document the following terms and definitions given in 3GPP TS 21.905 [2] and the following apply:

A/Gb mode: indicates that the text applies only to a system or sub-system which operate in A/Gb mode of operation, i.e. with a functional division that is in accordance with the use of an A or a Gb interface between the radio access network and the core network

Iu mode: indicates that the text applies only to a system or a sub-system which operates in Iu mode of operation, i.e. with a functional division that is in accordance with the use of an Iu-CS or Iu-PS interface between the radio access network and the core network

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TS 21.905 [2] and the following apply.

BC Bearer Capability

CE Connection Element

CT Circuit

GBR Guaranteed Bitrate

MBR Maximum Bitrate

RA Rate Adaptation Functions

RNL Radio Network Layer

S/C Split/Combine Function

WAIUR Wanted Air Interface User Rate