3 Symbols and abbreviations

36.2113GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Physical channels and modulationRelease 17TS

3.1 Symbols

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

Resource element with frequency-domain index and time-domain index

Value of resource element [for antenna port]

Matrix for supporting cyclic delay diversity

Density of random access opportunities per radio frame

Carrier frequency

PRACH resource frequency index within the considered time-domain location

PRACH frequency hopping offset, expressed as a number of resource blocks

Start symbol in slot 0 for NPDCCH

Start symbol in slot 0 for NPDSCH

Bandwidth for PSBCH transmission, expressed as a number of subcarriers

Bandwidth for PSBCH transmission, expressed as a number of resource blocks

Bandwidth for PSCCH transmission, expressed as a number of subcarriers

Bandwidth for PSCCH transmission, expressed as a number of resource blocks

Bandwidth for PSDCH transmission, expressed as a number of subcarriers

Bandwidth for PSDCH transmission, expressed as a number of resource blocks

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

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

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

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

Scheduled number of repetitions of a NPUSCH transmission

Scheduled number of repetitions of a NPDSCH transmission

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

Number of repetitions of identical slots for NPUSCH

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

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

Number of consecutive subcarriers in an UL resource unit for PUSCH sub-PRB allocation

Number of slots in an UL resource unit for PUSCH sub-PRB allocation

Number of SC-FDMA symbols in an uplink slot for PUSCH sub-PRB allocation

Number of subcarriers in the frequency domain for PUSCH sub-PRB allocation

Number of reference signal sequences available for the UL resource unit size for PUSCH sub-PRB allocation

Number of scheduled UL resource units for PUSCH sub-PRB allocation

A constant equal to 2048 for , 4096 for and 8192 for

Downlink cyclic prefix length for OFDM symbol in a slot

Cyclic shift value used for random access preamble generation

Number of cyclic shifts used for PUCCH formats 1/1a/1b in a resource block with a mix of formats 1/1a/1b and 2/2a/2b

Bandwidth available for use by PUCCH formats 2/2a/2b, expressed in multiples of

The offset used for PUSCH frequency hopping, expressed in number of resource blocks (set by higher layers)

Physical layer cell identity

Narrowband physical layer cell identity

MBSFN area identity

Physical layer sidelink synchronization identity

Positioning reference signal identity

Downlink bandwidth configuration, expressed in multiples of

Smallest downlink bandwidth configuration, expressed in multiples of

Largest downlink bandwidth configuration, expressed in multiples of

Uplink bandwidth configuration, expressed in multiples of

Smallest uplink bandwidth configuration, expressed in multiples of

Largest uplink bandwidth configuration, expressed in multiples of

Sidelink bandwidth configuration, expressed in multiples of

Duration of RSS measured in subframes

Number of scheduled subframes for NPDSCH transmission

Number of symbols for NPSS in a subframe

Number of symbols for NSSS in a subframe

Number of consecutive subcarriers in an UL resource unit for NB-IoT

Number of reference signal sequences available for the UL resource unit size

Number of scheduled UL resource units for NB-IoT

Total number of uplink narrowbands

Total number of uplink widebands

Number of subcarriers in the frequency domain for NB-IoT

Number of consecutive absolute subframes over which the scrambling sequence stays the same

Total number of absolute subframes a PUSCH with repetition spans expressed as a number of absolute subframes

Number of repetitions of a PUSCH transmission

Number of consecutive absolute subframes over which PUCCH or PUSCH stays at the same narrowband before hopping to another narrowband, expressed as a number of absolute subframes

Narrowband offset between one narrowband and the next narrowband a PUSCH hops to, expressed as a number of uplink narrowbands

Total number of absolute subframes a PUCCH with repetition spans, expressed as a number of absolute subframes

Number of repetitions of a PUCCH transmission

Number of PRACH repetitions per preamble transmission attempt

Number of subframes allowed for preamble transmission within a 1024-frame interval

PRACH starting subframe periodicity

Number of NPRACH repetitions per preamble transmission attempt

NPRACH resource periodicity

Frequency location of the first sub-carrier allocated to NPRACH

Number of sub-carriers allocated to NPRACH

Number of starting sub-carriers allocated for UE initiated random access

NPRACH starting subframe

Fraction for starting subcarrier index for UE support for multi-tone msg3 transmission

Periodicity for NPDSCH/NPDCCH gaps

Duration for NPDSCH/NPDCCH gaps

Threshold for applying NPDSCH/NPDCCH gaps

Total number of downlink narrowbands

Total number of downlink widebands

Total number of absolute subframes a PDSCH with repetition spans, expressed as a number of absolute subframes

Number of repetitions of a PDSCH transmission

Number of consecutive absolute subframes over which MPDCCH or PDSCH stays at the same narrowband before hopping to another narrowband, expressed as a number of absolute subframes

Number of narrowbands over which MPDCCH or PDSCH frequency hops

Narrowband offset between one narrowband and the next narrowband an MPDCCH or PDSCH hops to, expressed as a number of downlink narrowbands

Number of times a PDSCH carrying SIB1-BR is transmitted over 8 radio frames

Total number of absolute subframes a MPDCCH with repetition spans, expressed as a number of absolute subframes

Number of repetitions of a MPDCCH transmission

Total number of absolute subframes a MPDCCH search space with maximum repetition level spans, expressed as a number of absolute subframes

Maximum repetition level of a MPDCCH search space

Number of ECCEs in a subframe for one MPDCCH

Number of OFDM symbols in a downlink slot

Number of SC-FDMA symbols in an uplink slot

Number of symbols in a guard period for narrowband or wideband retuning

Number of consecutive slots in an UL resource unit for NB-IoT

Number of SC-FDMA symbols in a sidelink slot

Resource block size in the frequency domain, expressed as a number of subcarriers

Number of sub-bands for PUSCH frequency-hopping with predefined hopping pattern

Size of each sub-band for PUSCH frequency-hopping with predefined hopping pattern, expressed as a number of resource blocks

Size of narrow-band random-access resource in number of subcarriers

Number of downlink to uplink switch points within the radio frame

Number of reference symbols per slot for PUCCH

Number of reference symbols per subslot or per slot for SPUCCH

Timing offset between uplink and downlink radio frames at the UE, expressed in units of

Fixed timing advance offset, expressed in units of

Timing offset between sidelink and timing reference frames at the UE, expressed in units of

Resource index for PUCCH formats 1/1a/1b

Resource index for PUCCH formats 2/2a/2b

Resource index for PUCCH format 3

Number of PDCCHs present in a subframe

Physical resource block number

First physical resource block occupied by PRACH resource considered

First physical resource block available for PRACH

Lowest PRB number of RSS

Subcarrier occupied by NPRACH resource considered

Virtual resource block number

Radio network temporary identifier

Sidelink group destination identity

System frame number

Slot number within a radio frame

Absolute subframe number

Index for subframes allowed for preamble transmission

Starting frame offset of RSS in each RSS period

Number of antenna ports used for transmission of a channel

Antenna port number

Period of RSS measured in frames

Codeword number

Index for PRACH versions with same preamble format and PRACH density

Q_m Modulation order: 1 for π/2-BPSK, 2 for QPSK, 4 for 16QAM, 6 for 64QAM and 8 for 256QAM transmissions

Time-continuous baseband signal for antenna port and SC-FDMA/OFDM symbol in a slot

Radio frame indicator index of PRACH opportunity

Half frame index of PRACH opportunity within the radio frame

Uplink subframe number for start of PRACH opportunity within the half frame

Radio frame duration

Basic time unit

Slot duration

Precoding matrix for downlink spatial multiplexing

Amplitude scaling for PRACH

Amplitude scaling for NPRACH

Amplitude scaling for PUCCH

Amplitude scaling for PUSCH

Amplitude scaling for NPUSCH

Amplitude scaling for SPUCCH

Amplitude scaling for sounding reference symbols

Subcarrier spacing

Subcarrier spacing for the random access preamble

Number of transmission layers

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].

CCE Control Channel Element

CDD Cyclic Delay Diversity

CRS Cell-specific Reference Signal

CSI Channel-State Information

DCI Downlink Control Information

DM-RS Demodulation Reference Signal

ECCE Enhanced Control Channel Element

EPDCCH Enhanced Physical Downlink Control CHannel

EREG Enhanced Resource-Element Group

MPDCCH MTC Physical Downlink Control Channel

MWUS MTC Wake-Up Signal

NCCE Narrowband Control Channel Element

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

NPRS Narrowband Positioning Reference Signal

NPSS Narrowband Primary Synchronization Signal

NSSS Narrowband Secondary Synchronization Signal

NRS Narrowband Reference Signal 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

PRACH Physical Random Access CHannel

PRB Physical Resource Block

PRG Precoding Resource Block Group

PRS Positioning Reference Signal

PSBCH Physical Sidelink Broadcast CHannel

PSCCH Physical Sidelink Control CHannel

PSDCH Physical Sidelink Discovery CHannel

PSSCH Physical Sidelink Shared CHannel

PUCCH Physical Uplink Control CHannel

PUSCH Physical Uplink Shared CHannel

REG Resource-Element Group

RSS Resynchronization Signal

SCCE Short Control Channel Element

SCG Secondary Cell Group

SPDCCH Short Physical Downlink Control CHannel

SPUCCH Short Physical Uplink Control CHannel

SREG Short Resource-Element Group

SRS Sounding Reference Signal

VRB Virtual Resource Block