3 Definitions, symbols and abbreviations

36.1413GPPBase Station (BS) conformance testingEvolved Universal Terrestrial Radio Access (E-UTRA)Release 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].

Aggregated Channel Bandwidth: RF bandwidth in which a base station transmits and/or receives multiple contiguously aggregated carriers.

NOTE: The Aggregated Channel Bandwidth is measured in MHz.

Base station receive period: time during which the base station is receiving data subframes or UpPTS.

Base Station RF Bandwidth: RF bandwidth in which a base station transmits and/or receives single or multiple carrier(s) within a supported operating band.

NOTE: In single E-UTRA carrier operation, the Base Station RF Bandwidth is equal to the channel bandwidth.

Base Station RF Bandwidth edge: frequency of one of the edges of the Base Station RF Bandwidth.

Carrier: modulated waveform conveying the E-UTRA or UTRA (WCDMA) physical channels

Carrier aggregation: aggregation of two or more component carriers in order to support wider transmission bandwidths

Carrier aggregation band: set of one or more operating bands across which multiple carriers are aggregated with a specific set of technical requirements

NOTE: Carrier aggregation band(s) for an E-UTRA BS is declared by the manufacturer according to the designations in Tables 5.5-2 to 5.5-4

Channel bandwidth: RF bandwidth supporting a single E-UTRA RF carrier with the transmission bandwidth configured in the uplink or downlink of a cell.

NOTE The channel bandwidth is measured in MHz and is used as a reference for transmitter and receiver RF requirements.

Channel edge: lowest or highest frequency of the E-UTRA carrier.

NOTE: Channel edges are separated by the channel bandwidth.

Contiguous carriers: set of two or more carriers configured in a spectrum block where there are no RF requirements based on co-existence for un-coordinated operation within the spectrum block.

Contiguous spectrum: spectrum consisting of a contiguous block of spectrum with no sub-block gap(s).

DL RS power: resource element power of Downlink Reference Symbol.

DL NRS power: resource element power of Downlink Narrowband Reference Signal.

Downlink operating band: part of the operating band designated for downlink.

Enhanced performance requirements type A: This defines performance requirements assuming baseline receiver as demodulation reference signal based linear minimum mean square error interference rejection combining.

Enhanced performance requirements type B: This defines performance requirements assuming baseline receiver as code word level interference cancellation for intra-cell inter-user interference plus demodulation reference signal based linear minimum mean square error interference rejection combining for inter-cell interference.

Highest Carrier: carrier with the highest carrier centre frequency transmitted/received in a specified operating band.

Inter RF Bandwidth gap: frequency gap between two consecutive Base Station RF Bandwidths that are placed within two supported operating bands.

Inter-band carrier aggregation: carrier aggregation of component carriers in different operating bands.

NOTE: Carriers aggregated in each band can be contiguous or non-contiguous.

Inter-band gap: The frequency gap between two supported consecutive operating bands.

Intra-band contiguous carrier aggregation: contiguous carriers aggregated in the same operating band.

Intra-band non-contiguous carrier aggregation: non-contiguous carriers aggregated in the same operating band.

Lower sub-block edge: frequency at the lower edge of one sub-block.

NOTE: It is used as a frequency reference point for both transmitter and receiver requirements.

Lowest Carrier: carrier with the lowest carrier centre frequency transmitted/received in a specified operating band.

Maximum Base Station RF Bandwidth: maximum Base Station RF Bandwidth supported by a BS within each supported operating band.

Maximum output power: mean power level per carrier of the base station measured at the antenna connector in a specified reference condition.

Maximum Radio Bandwidth: maximum frequency difference between the upper edge of the highest used carrier and the lower edge of the lowest used carrier.

Maximum throughput: maximum achievable throughput for a reference measurement channel.

Mean power: power measured in the channel bandwidth of the carrier.

NOTE: The period of measurement shall be at least one subframe (1ms), unless otherwise stated.

Multi-band Base Station:base station characterized by the ability of its transmitter and/or receiver to process two or more carriers in common active RF components simultaneously, where at least one carrier is configured at a different operating band (which is not a sub-band or superseding-band of another supported operating band) than the other carrier(s).

Multi-carrier transmission configuration: set of one or more contiguous or non-contiguous carriers that a BS is able to transmit simultaneously according to the manufacturer’s specification.

Multi-band transmitter: transmitter characterized by the ability to process two or more carriers in common active RF components simultaneously, where at least one carrier is configured at a different operating band (which is not a sub-band or superseding-band of another supported operating band) than the other carrier(s).

Multi-band receiver: receiver characterized by the ability to process two or more carriers in common active RF components simultaneously, where at least one carrier is configured at a different operating band (which is not a sub-band or superseding-band of another supported operating band) than the other carrier(s).

Non-contiguous spectrum: spectrum consisting of two or more sub-blocks separated by sub-block gap(s).

NB-IoT In-band operation: NB-IoT is operating in-band when it utilizes the resource block(s) within a normal E-UTRA carrier

NB-IoT guard band operation: NB-IoT is operating in guard band when it utilizes the unused resource block(s) within a E-UTRA carrier’s guard-band.

NB-IoT standalone operation: NB-IoT is operating standalone when it utilizes its own spectrum, for example the spectrum currently being used by GERAN systems as a replacement of one or more GSM carriers, as well as scattered spectrum for potential IoT deployment.

Occupied bandwidth: width of a frequency band such that, below the lower and above the upper frequency limits, the mean powers emitted are each equal to a specified percentage β/2 of the total mean power of a given emission.

Operating band: frequency range (paired or unpaired) that is defined with a specific set of technical requirements, in which E-UTRA operates.

NOTE: The operating band(s) for an E-UTRA BS is declared by the manufacturer according to the designations in Table 5.5-1.

Output power: mean power of one carrier of the base station, delivered to a load with resistance equal to the nominal load impedance of the transmitter.

Rated output power: mean power level per carrier that the manufacturer has declared to be available at the antenna connector.

RE power control dynamic range: difference between the power of a RE and the average RE power for a BS at maximum output power for a specified reference condition.

Reference bandwidth: RF bandwidth in which an emission level is specified.

RRC filtered mean power: mean power as measured through a root raised cosine filter with roll-off factor  and a bandwidth equal to the chip rate of the radio access mode.

NOTE 1: The RRC filtered mean power of a perfectly modulated W-CDMA signal is 0.246 dB lower than the mean power of the same signal.

sTTI: A transmission time interval (TTI) of either one slot or one subslot as defined in TS 36.211 [12] on either uplink or downlink.

Sub-band: A sub-band of an operating band contains a part of the uplink and downlink frequency range of the operating band.

Sub-block: one contiguous allocated block of spectrum for transmission and reception by the same Base Station.

NOTE: There may be multiple instances of sub-blocks within a Base Station RF Bandwidth.

Sub-block bandwidth: RF bandwidth of one sub-block.

Sub-block gap: frequency gap between two consecutive sub-blocks within a Base Station RF Bandwidth, where the RF requirements in the gap are based on co-existence for un-coordinated operation.

Superseding-band: A superseding-band of an operating band includes the whole of the uplink and downlink frequency range of the operating band.

Synchronized operation: operation of TDD in two different systems, where no simultaneous uplink and downlink occur.

Throughput: he number of payload bits successfully received per second for a reference measurement channel in a specified reference condition.

Total power dynamic range: difference between the maximum and the minimum transmit power of an OFDM symbol for a specified reference condition.

Total RF Bandwidth: maximum sum of Base Station RF Bandwidths in all supported operating bands.

Transmission bandwidth: bandwidth of an instantaneous transmission from a UE or BS, measured in resource block units.

Transmission bandwidth configuration: highest transmission bandwidth allowed for uplink or downlink in a given channel bandwidth, measured in resource block units.

Transmitter OFF period: time period during which the BS transmitter is not allowed to transmit.

Transmitter ON period: time period during which the BS transmitter is transmitting data and/or reference symbols, i.e. data subframes or DwPTS.

Transmitter transient period: time period during which the transmitter is changing from the OFF period to the ON period or vice versa.

Unsynchronized operation: operation of TDD in two different systems, where the conditions for synchronized operation are not met.

Uplink operating band: part of the operating band designated for uplink.

Upper sub-block edge: frequency at the upper edge of one sub-block.

NOTE: It is used as a frequency reference point for both transmitter and receiver requirements.

3.2 Symbols

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

 Roll-off factor

β Percentage of the mean transmitted power emitted outside the occupied bandwidth on the assigned channel

BW_Channel Channel bandwidth

BW_{Channel_CA} Aggregated Channel Bandwidth, expressed in MHz. BW_{Channel_CA}= F_{edge_high}– F_{edge_low.}

BW_{Channel,block} Sub-block bandwidth, expressed in MHz. BW_{Channel,block}= F_{edge,block,high}– F_{edge,block,low.}

BW_Config Transmission bandwidth configuration, expressed in MHz, where BW_Config = N_RB x 180 kHz in the uplink and BWConfig = 15 kHz + NRB x 180 kHz in the downlink.

BW_max Maximum Radio Bandwidth

BW_tot Total RF Bandwidth

CA_X Intra-band contiguous CA of component carriers in one sub-block within band X where X is the applicable E-UTRA operating band

CA_X-X Intra-band non-contiguous CA of component carriers in two sub-blocks within band X where X is the applicable E-UTRA operating band

CA_X-Y Inter-band CA of component carrier(s) in one sub-blocks within band X and component carrier(s) in one sub-block within Band Y where X and Y are the applicable E-UTRA operating bands

CA_X-X-Y CA of component carriers in two sub-blocks within Band X and component carrier(s) in one sub-block within Band Y where X and Y are the applicable E-UTRA operating bands

f Frequency

Δf Separation between the channel edge frequency and the nominal -3dB point of the measuring filter closest to the carrier frequency

Δf_max The largest value of Δf used for defining the requirement

F_C Carrier centre frequency

F_{C,block, high} Centre frequency of the highest transmitted/received carrier in a sub-block.

F_{C,block, low} Centre frequency of the lowest transmitted/received carrier in a sub-block.

F_{C_high} The carrier centre frequency of the highest carrier, expressed in MHz.

F_{C_low} The carrier centre frequency of the lowest carrier, expressed in MHz.

F_{edge_low} The lower edge of Aggregated Channel Bandwidth, expressed in MHz. F_{edge_low} = F_{C_low} – F_offset.

F_{edge_high} The upper edge of Aggregated Channel Bandwidth, expressed in MHz. F_{edge_high} = F_{C_high} + F_offset.

F_{edge,block,low} The lower sub-block edge, where F_{edge,block,low} = F_C,block,low – F_offset.

F_{edge,block,high} The upper sub-block edge, where F_{edge,block,high} = F_C,block,high + F_offset.

F_offset Frequency offset from F_{C_high} to the upper Base Station RF Bandwidth edge or from F _{C,block, high} to the upper sub-block edge, F_{C_low} to the lower Base Station RF Bandwidth edge or from F_{C,block, low} to the lower sub-block edge.

F_filter Filter centre frequency

f_offset Separation between the channel edge frequency and the centre of the measuring filter

f_offset_max The maximum value of f_offset used for defining the requirement

E_A: EPRE (energy per resource element) of PDSCH REs (resource elements) type A, i.e. REs in OFDM symbols that do not include reference symbols

E_B: EPRE of PDSCH REs type B, i.e. REs in OFDM symbols that include reference symbols

E_RS: EPRE of reference symbols REs

F_{DL_low} The lowest frequency of the downlink operating band

F_{DL_high} The highest frequency of the downlink operating band

F_{UL_low} The lowest frequency of the uplink operating band

F_{UL_high} The highest frequency of the uplink operating band

M_DL Offset of NB-IoT Downlink channel number to Downlink EARFCN

M_UL Offset of NB-IoT Uplink channel number to Uplink EARFCN

N_DL Downlink EARFCN

N_Offs-DL Offset used for calculating downlink EARFCN

N_Offs-UL Offset used for calculating uplink EARFCN

Physical layer cell identity

N_CS Number of Cyclic shifts for preamble generation in PRACH

N_RB Transmission bandwidth configuration, expressed in units of resource blocks

Downlink bandwidth configuration, expressed in multiples of

N_UL Uplink EARFCN

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

System frame number

Physical resource block number

Radio network temporary identifier

Slot number within a radio frame

Antenna port number

Pd Probability of PRACH preamble detection

Pfa Total probability of false detection of the PRACH preamble

Pout Output power

P_EM,N Declared emission level for channel N

P_{EM,B32,B75,B76,ind} Declared emission level in Band 32, Band 75 and Band 76, ind=a, b, c

P_EM,B32,ind Declared emission level in Band 32, ind= d, e

P_{EM,B50,B74,B75,ind} Declared emission level for Band 50, Band 74 and Band 75, ind=a,b

P_rated,c Rated output power (per carrier)

P_rated,t Rated Total Output PowerP_max,c Maximum carrier output power

P_REFSENS Reference sensitivity power level

Code word number

T_A Timing advance command, as defined in [16]

Basic time unit, as defined in [12]

W_gap Sub-block gap or Inter RF Bandwidth gap size

Figure 3.2-1: Illustration of Maximum Radio Bandwidth BW_max and Total RF Bandwidth BW_tot for multi-band base station

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].

AC Alternating Current

ACLR Adjacent Channel Leakage Ratio

CACLR Cumulative ACLR

ACK Acknowledgement (in HARQ protocols)

ACS Adjacent Channel Selectivity

ATT Attenuator

AWGN Additive White Gaussian Noise

B Bottom RF channel (for testing purposes)

BL/CE Bandwidth-reduced Low-complexity or Coverage Enhanced

BS Base Station

C Contiguous

CA Carrier Aggregation

BW Bandwidth

CCE Control Channel Element

CP Cyclic prefix

CW Continuous Wave

DC Direct Current

DFT Discrete Fourier Transformation

DIP Dominant Interferer Proportion

DTT Digital Terrestrial Television

DUT Device Under Test

EPRE Energy per resource element

E-TM E-UTRA Test Model

E-UTRA Evolved UTRA

EARFCN E-UTRA Absolute Radio Frequency Channel Number

EIRP Effective Isotropic Radiated Power

EPA Extended Pedestrian A model

ETC E-UTRA Test Configuration

ETU Extended Typical Urban model

EVA Extended Vehicular A model

EVM Error Vector Magnitude

FDD Frequency Division Duplex

FFT Fast Fourier Transformation

FRC Fixed Reference Channel

GSM Global System for Mobile communications

HARQ Hybrid Automatic Repeat Request

ICS In-Channel Selectivity

IQ In-phase – Quadrature phase

ITU‑R Radiocommunication Sector of the ITU

Iuant E-Node B internal logical interface between the implementation specific O&M function and the RET antennas and TMAs control unit function of the E-Node B

LA Local Area

M Middle RF channel (for testing purposes)

MC Multi-carrier

MFCN Mobile/Fixed Communications Network

MIMO Multiple Input Multiple Output

MCS Modulation and Coding Scheme

MR Medium Range

NB-IoT Narrowband – Internet of Things

NC Non-Contiguous

NPDSCH Narrowband Physical Downlink Shared Channel

NPUSCH Narrowband Physical Uplink Shared Channel

NRS Narrowband Reference Signal

OBW Occupied Band Width

OFDM Orthogonal Frequency Division Multiplex

OOB Out-Of-Band

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

PUCCH Physical Uplink Control CHannel

PRACH Physical Random Access Channel

PRB Physical Resource Block

PSD Power Spectral Density

QAM Quadrature Amplitude Modulation

QPSK Quadrature Phase-Shift Keying

RAT Radio Access Technology

RB Resource Block

RE Resource Element

REG Resource Element Group

RF Radio Frequency

RS Reference Symbol

RX Receive

RRC Root Raised Cosine

sCCE short Control Channel Element

SINR Signal-to-Interference-and-Noise Ratio

SNR Signal-to-Noise Ratio

sPDCCH shortened Physical Downlink Control Channel

sPDSCH shortened Physical Downlink Shared Channel

SQRT SQuare RooT

sREG short Resource-Element Group

SC Single Carrier

SRS Sounding Reference Signal

T Top RF channel (for testing purposes)

TA Timing Advance

TC Test Configuration

TDD Time Division Duplex

TT Test Tolerance

TX Transmit

UE User Equipment

UMTS Universal Mobile Telecommunications System

UTRA UMTS Terrestrial Radio Access

WA Wide Area