3 Definitions, symbols and abbreviations

38.2023GPPNRRelease 17Services provided by the physical layerTS

3.1 Definitions

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

3.2 Symbols

For the purposes of the present document, the following symbols apply:

3.3 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].

For the purposes of the present document, the following abbreviations apply:

ARQ Automatic Repeat Request

BCH Broadcast Channel

CA Carrier Aggregation

CRC Cyclic Redundancy Check

DC Dual Connectivity

DL Downlink

FEC Forward Error Correction

GF Grant-Free

MAC Medium Access Control

MIMO Multiple Input Multiple Output

PBCH Physical Broadcast Channel

PCH Paging Channel

PDCCH Physical Downlink Control Channel

PDSCH Physical Downlink Shared Channel

PRACH Physical Random Access Channel

PUCCH Physical Uplink Control Channel

PUSCH Physical Uplink Shared Channel

RACH Random Access Channel

RF Radio Frequency

RNTI Radio Network Temporary Identifier

SCH Shared Channel

SI System Information

SPS Semi-Persistent Scheduling

SRS Sounding Reference Signal

TPC Transmit Power Control

UL Uplink