3 Definitions, symbols and abbreviations

38.2113GPPNRPhysical channels and modulationRelease 17TS

3.1 Definitions

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

3.2 Symbols

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

Resource element with frequency-domain index and time-domain index for antenna port and subcarrier spacing configuration ; see clause 4.4.3

Value of resource element for antenna port and subcarrier spacing configuration ; see clause 4.4.3

Amplitude scaling for a physical channel/signal

PN sequence; see clause 5.2.1

Subcarrier spacing

Subcarrier spacing for random-access preambles

The ratio between and ; see clause 4.1

Subcarrier index relative to a reference

OFDM symbol index relative to a reference

Subcarrier spacing configuration,

Number of coded bits to transmit on a physical channel [for codeword ]

Number of modulation symbols to transmit on a physical channel [for codeword ]

Number of modulation symbols to transmit per layer for a physical channel

Scheduled bandwidth for uplink transmission, expressed as a number of subcarriers

Scheduled bandwidth for uplink transmission, expressed as a number of resource blocks

Number of modulation symbols to transmit per antenna port for a physical channel

Number of transmission layers

Size of bandwidth part ; see clause 4.4.4.4

Start of bandwidth part ; see clause 4.4.4.4

Cyclic prefix length; see clause 5.3.1

The size of the resource grid; see clauses 4.4.2 and 5.3

The start of the resource grid; see clause 4.4.2

The number of PT-RS groups; see clause 6.3.1.4

Physical layer cell identity; see clause 7.4.2.1

Physical-layer sidelink identity; see clause 8.4.2.1

Frequency-domain size of a control resource set; see clause 7.3.2.2

Number of resource-element groups in a CORESET; see clause 7.3.2.2

Number of samples per PT-RS group; see clause 6.3.1.4

Number of subcarriers per resource block, see clause 4.4.4.1

Number of slots per subframe for subcarrier spacing configuration , see clause 4.3.2

Number of slots per frame for subcarrier spacing configuration , see clause 4.3.2

Time duration of a control resource set; see clause 7.3.2.2

Length of the PUCCH transmission in OFDM symbols; see clause 6.3.2.1

Number of OFDM symbols per subframe for subcarrier spacing configuration ; see clause 4.3.1

Number of symbols per slot

Timing advance between downlink and uplink; see clause 4.3.1

A fixed offset used to calculate the timing advance; see clause 4.3.1

Network-controlled timing correction; see clause 4.3.1

UE-derived timing correction; see clause 4.3.1

Minimum time from reception to transmission for a half-duplex UE; see clause 4.3.2

System frame number (SFN)

Common resource block number for subcarrier spacing configuration , see clause 4.4.4.3

Physical resource block number; see clause 4.4.4.4

Radio network temporary identifier

Slot number within a subframe for subcarrier spacing configuration ; see clause 4.3.2

Slot number within a frame for subcarrier spacing configuration ; see clause 4.3.2

Antenna port number

Modulation order

Number of antenna ports

Low-PAPR base sequence; see clause 5.2.2

Low-PAPR sequence; see clause 5.2.2

The time-continuous signal on antenna port and subcarrier spacing configuration for OFDM symbol in a subframe; see clause 5.3.1

Basic time unit for NR; see clause 4.1

Radio frame duration; see clause 4.3.1

Basic time unit for LTE

Subframe duration; see clause 4.3.1

Slot duration; see clause 4.3.2

Timing advance between downlink and uplink; see clause 4.3.1

Precoding matrix for spatial multiplexing

3.3 Abbreviations

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

BWP Bandwidth part

CCE Control channel element

CORESET Control resource set

CRB Common resource block

CSI Channel-state information

CSI-RS CSI reference signal

DCI Downlink Control Information

DM-RS Demodulation reference signal

FR1 Frequency range 1 as defined in [8, TS 38.104]

FR2 Frequency range 2 as defined in [8, TS 38.104]

IAB Integrated access and backhaul

IAB-MT IAB mobile termination

IE Information element

PBCH Physical broadcast channel

PDCCH Physical downlink control channel

PDSCH Physical downlink shared channel

PRACH Physical random-access channel

PRB Physical resource block

PSS Primary synchronization signal

PT-RS Phase-tracking reference signal

PUCCH Physical uplink control channel

PUSCH Physical uplink shared channel

REG Resource-element group

RIM Remote interference management

RIM-RS Remote interference management reference signal

SRS Sounding reference signal

SSS Secondary synchronization signal

VRB Virtual resource block