For the purposes of the present document, the terms and definitions given in
TR 21.905 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.
Active DL BWP:
Active DL bandwidth part as defined in
TS 38.213.
Blackbox Approach:
Testing methodology, in which the UE internal implementation of certain specific UE functionality involved in the test, is unknown.
Control Resource Set:
DL BWP:
EN-DC:
en-gNB:
FR1:
FR2:
gNB:
LMF:
Master Cell Group:
Multi-Radio Dual Connectivity:
Dual Connectivity between E-UTRA and NR nodes, or between two NR nodes, as defined in
TS 37.340.
ng-eNB:
NE-DC:
NGEN-DC:
NR-DC:
Primary Cell:
PRS resource instance:
An instance in time of a configured PRS resource as defined in
TS 38.331, which may or not overlap with a measurement gap occasion.
Quasi Co-Location:
RLM-RS resource:
A resource out of the set of resources configured for RLM by higher layer parameter RLM-RS-List [2] as defined in
TS 38.213.
SA operation mode:
Operation mode when the UE is configured with at least PCell and not any MR-DC.
Secondary Cell:
Secondary Cell Group:
Serving Cell:
SMTC:
An SSB-based measurement timing configuration configured by SSB-MeasurementTimingConfiguration as specified in
TS 38.331.
Special Cell:
SSB:
Timing Advance Group:
For the purposes of the present document, the following symbols apply:
BWChannel
Ês
Received energy per RE (power normalized to the subcarrier spacing) during the useful part of the symbol, i.e. excluding the cyclic prefix, at the UE antenna connector or at the gNB reference point as defined in
TS 38.215, subclause 5.2 for the respective measurement type
FC
FC,low
The Fc of the lowest carrier, expressed in MHz
Io
The total received power density, including signal and interference, as measured at the UE antenna connector.
Ioc
The power spectral density (integrated in a noise bandwidth equal to the chip rate and normalized to the chip rate) of a band limited noise source (simulating interference from cells, which are not defined in a test procedure) as measured at the UE antenna connector.
Iot
The received power spectral density of the total noise and interference for a certain RE (power integrated over the RE and normalized to the subcarrier spacing) as measured at the UE antenna connector or at the gNB reference point as defined in
TS 38.215, subclause 5.2 for the respective measurement type
Noc
The power spectral density of a white noise source (average power per RE normalised to the subcarrier spacing), simulating interference from cells that are not defined in a test procedure, as measured at the UE antenna connector
nPRN
NTA
NTA offset
PCMAX
PCMAX,c
S
SSB_RP
Received (linear) average power of the resource elements that carry NR synchronisation burst, measured at the UE antenna connector
Srxlev
Squal
Sintrasearch
Snonintrasearch
Threshx,high
Threshx,low
Threshserving,low
TRE-ESTABLISH-REQ
The RRC Re-establishment delay requirement, the time between the moment when erroneous CRCs are applied, to when the UE starts to send preambles on the PRACH.
Tc
Ts
Treselection
TreselectionRAT
TreselectionEUTRA
TreselectionUTRA
TreselectionGERAN
Threshx,high
Threshx,low
Threshserving,low
TUE_re-establish_delay
Time between the moments when any of the conditions requiring RRC re-establishment as defined in
clause 5.3.7 in TS 38.331 is detected by the UE and when the UE sends PRACH to the target PCell.
For the purposes of the present document, the abbreviations given in
TR 21.905 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.
AoA
Angle of Arrival
AoD
Angle of Departure
BFD
Beam Failure Detection
BFD-RS
BFD Reference Signal
BLER
Block Error Rate
BM-RS
Beam Management Reference Signal
BWP
Bandwidth Part
CA
Carrier Aggregation
CBD
Candidate Beam Detection
CBW
Channel Bandwidth
CC
Component Carrier
CCA
Clear Channel Assessment
CLI
Cross Link Interference
CMR
Channel Measurement Resource
CORESET
Control Resource Set
CP
Cyclic Prefix
CSI
Channel-State Information
CSI-RS
CSI Reference Signal
CSI-RSRP
CSI Reference Signal based Reference Signal Received Power
CSI-RSRQ
CSI Reference Signal based Reference Signal Received Quality
CSI-SINR
CSI Reference Signal based Signal to Noise and Interference Ratio
CSI_RP
Received (linear) average power of the resource elements that carry NR CSI-RS signals and channels, measured at the UE antenna connector
DBT
Discovery Burst Transmission
DC
Dual Connectivity
DCI
Downlink Control Information
DL
Downlink
DL-AoD
Downlink Angle-of-Departure
DL-TDOA
Downlink Time Difference Of Arrival
DMRS
Demodulation Reference Signal
DRX
Discontinuous Reception
E-CID
Enhanced Cell ID
E-UTRA
Evolved UTRA
E-UTRAN
Evolved UTRAN
EN-DC
E-UTRA-NR Dual Connectivity
FDD
Frequency Division Duplex
FR
Frequency Range
HARQ
Hybrid Automatic Repeat Request
HO
Handover
IMR
Interference Measurement Resource
L1-RSRP
Layer 1 RSRP
L1 SL-RSRP
Layer 1 Sidelink RSRP which corresponds to PSCCH-RSRP and/or PSSCH-RSRP
LMF
Location Management Function
LPP
LTE Positioning Protocol
MAC
Medium Access Control
MCG
Master Cell Group
MDT
Minimization of Drive Tests
MG
Measurement Gap
MGL
Measurement Gap Length
MGRP
Measurement Gap Repetition Period
MIB
Master Information Block
MN
Master Node
MR-DC
Multi-Radio Dual Connectivity
NE-DC
NR-E-UTRA Dual Connectivity
NGEN-DC
NG-RAN E-UTRA-NR Dual Connectivity
NR
New Radio
NR-DC
NR-NR Dual Connectivity
OFDM
Orthogonal Frequency Division Multiplexing
OFDMA
Orthogonal Frequency Division Multiple Access
OTDOA
Observed Time Difference Of Arrival
PBCH
Physical Broadcast Channel
PCC
Primary Component Carrier
PCell
Primary Cell
PDCCH
Physical Downlink Control Channel
PDSCH
Physical Downlink Shared Channel
PLMN
Public Land Mobile Network
PRACH
Physical RACH
PRP
PRS Received Power
PRS
Positioning Reference Signal
PRS-RSRP
Positioning Reference Signal based Reference Signal Received Power
PSBCH
Physical Sidelink Broadcast Channel
PSBCH-RSRP
Physical Sidelink Broadcast Channel DMRS based Reference Signal Received Power
PSCCH
Physical Sidelink Control Channel
PSCCH-RSRP
Physical Sidelink Control Channel DMRS based Reference Signal Received Power
PSCell
Primary SCell
PSS
Primary Synchronization Signal
PSSCH
Physical Sidelink Shared Channel
PSSCH-RSRP
Physical Sidelink Shared Channel DMRS based Reference Signal Received Power
pTAG
Primary Timing Advance Group
PUCCH
Physical Uplink Control Channel
PUSCH
Physical Uplink Shared Channel
QCL
Quasi Co-Location
RACH
Random Access Channel
RAT
Radio Access Technology
RLM
Radio Link Monitoring
RLM-RS
Reference Signal for RLM
RMSI
Remaining Minimum System Information
RRC
Radio Resource Control
RRM
Radio Resource Management
RSSI
Received Signal Strength Indicator
RSRP
Reference Signal Received Power
RSRQ
Reference Signal Received Quality
RSTD
Reference Signal Time Difference
RTT
Round Trip Time
S-SSB
Sidelink Synchronization Signal Block
S-SSB_RP
Received (linear) average power of the resource elements that carry NR S-SSB signals and channels, measured at the UE antenna connector
SA
Standalone operation mode
SCC
Secondary Component Carrier
SCell
Secondary Cell
SCG
Secondary Cell Group
SCS
Subcarrier Spacing
SCSSSB
SSB subcarrier spacing
SDL
Supplementary Downlink
SFN
System Frame Number
SFTD
SFN and Frame Timing DifferenceSI System Information
SIB
System Information Block
SL-RSSI
Sidelink Received Signal Strength Indicator
SLSS
Sidelink Synchronization Signal
SMTC
SSB-based Measurement Timing configuration
SpCell
Special Cell
SRS
Sounding Reference Signal
SRS-RSRP
Sounding Reference Signal based Reference Signal Received Power
SS-RSRP
Synchronization Signal based Reference Signal Received Power
SS-RSRQ
Synchronization Signal based Reference Signal Received Quality
SS-SINR
Synchronization Signal based Signal to Noise and Interference Ratio
SSB
Synchronization Signal Block
SSB_RP
Received (linear) average power of the resource elements that carry NR SSB signals and channels, measured at the UE antenna connector.
SSS
Secondary Synchronization Signal
sTAG
Secondary Timing Advance Group
SUL
Supplementary Uplink
TA
Timing Advance
TAG
Timing Advance Group
TCI
Transmission Configuration Indicator
TDD
Time Division Duplex
TDOA
Time Difference Of Arrival
TRP
Transmission-Reception Point
TTI
Transmission Time Interval
UE
User Equipment
UL
Uplink