3 Symbols and abbreviations
36.2133GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Physical layer proceduresRelease 17TS
3.1 Symbols
For the purposes of the present document, the following symbols apply:
System frame number as defined in [3]
Slot number within a radio frame as defined in [3]
Number of configured cells
Downlink bandwidth configuration, expressed in units of as defined in [3]
Uplink bandwidth configuration, expressed in units of as defined in [3]
Number of SC-FDMA symbols in an uplink slot as defined in [3]
Resource block size in the frequency domain, expressed as a number of subcarriers as defined in [3]
Basic time unit as defined in [3]
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].
ACK Acknowledgement
AUL Autonomous Uplink
AUL-DFI AUL downlink feedback information
BCH Broadcast Channel
CCE Control Channel Element
CDD Cyclic Delay Diversity
CG Cell Group
CIF Carrier Indicator Field
CQI Channel Quality Indicator
CRC Cyclic Redundancy Check
CRI CSI-RS Resource Indicator
CSI Channel State Information
CSI-IM CSI-interference measurement
DAI Downlink Assignment Index
DC Dual Connectivity
DCI Downlink Control Information
DL Downlink
DL-SCH Downlink Shared Channel
DTX Discontinuous Transmission
EDT Early Data Transmission
EN-DC E-UTRA NR Dual Connectivity with MCG using E-UTRA and SCG using NR
EPDCCH Enhanced Physical Downlink Control Channel
EPRE Energy Per Resource Element
MCG Master Cell Group
MCS Modulation and Coding Scheme
NACK Negative Acknowledgement
NE-DC NR E-UTRA Dual Connectivity with MCG using NR and SCG using E-UTRA
NPBCH Narrowband Physical Broadcast CHannel
NPDCCH Narrowband Physical Downlink Control CHannel
NPDSCH Narrowband Physical Downlink Shared CHannel
NPRACH Narrowband Physical Random Access CHannel
NPUSCH Narrowband Physical Uplink Shared CHannel
NPSS Narrowband Primary Synchronization Signal
NSSS Narrowband Secondary Synchronization Signal
NRS Narrowband Reference Signal
NTN Non-Terrestrial Network
PBCH Physical Broadcast Channel
PCFICH Physical Control Format Indicator Channel
PDCCH Physical Downlink Control Channel
PDSCH Physical Downlink Shared Channel
PHICH Physical Hybrid ARQ Indicator Channel
PMCH Physical Multicast Channel
PMI Precoding Matrix Indicator
PRACH Physical Random Access Channel
PRS Positioning Reference Signal
PRB Physical Resource Block
PSBCH Physical Sidelink Broadcast Channel
PSCCH Physical Sidelink Control Channel
PSCell Primary Secondary cell
PSDCH Physical Sidelink Discovery Channel
PSSCH Physical Sidelink Shared Channel
PSSS Primary Sidelink Synchronisation Signal
PUCCH Physical Uplink Control Channel
PUCCH-SCell PUCCH SCell
PUR Preconfigured Uplink Resource
PUSCH Physical Uplink Shared Channel
PTI Precoding Type Indicator
RBG Resource Block Group
RE Resource Element
RI Rank Indication
RS Reference Signal
RSS Resynchronization Signal
SCG Secondary Cell Group
SINR Signal to Interference plus Noise Ratio
SPS C-RNTI Semi-Persistent Scheduling C-RNTI
SR Scheduling Request
SRS Sounding Reference Symbol
SSSS Secondary Sidelink Synchronisation Signal
TAG Timing Advance Group
TBS Transport Block Size
UCI Uplink Control Information
UE User Equipment
UL Uplink
UL-SCH Uplink Shared Channel
VRB Virtual Resource Block