3 Definitions, symbols and abbreviations

38.2013GPPGeneral descriptionNRPhysical layerRelease 17TS

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].

Definition format

<defined term>: <definition>.

example: text used to clarify abstract rules by applying them literally.

3.2 Symbols

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

Symbol format

<symbol> <Explanation>

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].

BPSK Binary Phase Shift Keying

CP Cyclic Prefix

DFT-s-OFDM Discrete Fourier Transform-spread-Orthogonal Frequency Division Multiplexing

DU Distributed Unit

E-UTRA Evolved Universal Terrestrial Radio Access

FDD Frequency Division Duplex

FEC Forward Error Correction

HARQ Hybrid Automatic Repeat Request

IAB Integrated access and backhaul

LDPC Low Density Parity Check

MAC Medium Access Control

MIMO Multiple Input Multiple Output

MT Mobile Termination

OFDM Orthogonal Frequency Division Multiplexing

PBCH Physical Broadcast Channel

PDCCH Physical Downlink Control Channel

PDSCH Physical Downlink Shared Channel

PRACH Physical Random Access Channel

PSBCH Physical Sidelink Broadcast Channel

PSCCH Physical Sidelink Control Channel

PSFCH Physical Sidelink Feedback Channel

PSSCH Physical Sidelink Shared Channel

PUCCH Physical Uplink Control Channel

PUSCH Physical Uplink Shared Channel

QAM Quadrature Amplitude Modulation

QPSK Quadrature Phase Shift Keying

RLC Radio Link Control

RRC Radio Resource Control

SAP Service Access Point

SRS Sounding reference signal

TDD Time Division Duplex

UE User Equipment