Content for TS 37.105 Word version: 18.5.0

3.1 Definitions 3.2 Symbols 3.3 Abbreviations
...

1 Scope p. 21

The present document establishes 2 sets of minimum requirements and minimum performance requirements; hybrid requirements set which specify requirements for a hybrid AAS BS with both a conducted and a radiated interface and OTA requirements set which specify requirements for an OTA AAS BS which has a radiated interface only.

The hybrid AAS BS requirements are specified for E-UTRA AAS Base Station (BS), the FDD mode of UTRA AAS Base Station (BS), the 1,28 Mcps TDD mode of UTRA AAS Base Station (BS) in single RAT and any MSR AAS Base Station (BS) implementation of these RATs (including NR BS type 1-H MSR configurations).

The OTA AAS BS requirements are specified for E-UTRA AAS Base Station (BS), the FDD mode of UTRA AAS Base Station (BS), in single RAT and any MSR AAS Base Station (BS) implementation of these RATs (including NR BS type 1-O MSR configurations).

2 References p. 21

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.

References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
For a specific reference, subsequent revisions do not apply.
For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.

[1]

TR 21.905: "Vocabulary for 3GPP Specifications".

[2]

TS 25.104: "Base Station (BS) radio transmission and reception (FDD)".

[3]

TS 25.105: "Base Station (BS) radio transmission and reception (TDD)".

[4]

TS 36.104: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception".

[5]

TS 37.104: "NR, E-UTRA, UTRA and GSM/EDGE Multi-Standard Radio (MSR) Base Station (BS) radio transmission and reception".

[6]

TS 25.104: (V16.0.00): "Base Station (BS) radio transmission and reception (FDD) (Release 16)".

[7]

TS 25.105: (V16.0.0): "Base Station (BS) radio transmission and reception (TDD) (Release 16)".

[8]

TS 36.104: (V16.7.0): "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception (Release 16)".

[9]

TS 37.104: (V16.8.0): "E-UTRA, UTRA and GSM/EDGE Multi-Standard Radio (MSR) Base Station (BS) radio transmission and reception (Release 16)".

[10]

TS 25.142: (V16.0.0): "Base Station (BS) conformance testing (TDD) (Release 16)".

[11]

Recommendation ITU-R M.1545: "Measurement uncertainty as it applies to test limits for the terrestrial component of International Mobile Telecommunications-2000".

[12]

TS 25.942: "Radio Frequency (RF) system scenarios".

[13] Void

[14]

Recommendation ITU-R SM.329-10: "Unwanted emissions in the spurious domain".

[15]

"Title 47 of the Code of Federal Regulations (CFR)", Federal Communications Commission.

[16]

TS 25.331: (V14.3.0): "Radio Resource Control (RRC); Protocol specification (Release 14)".

[17]

Recommendation ITU-R SM.328-11: "Spectra and bandwidth of emissions".

[18]

FCC publication number 662911: "Emissions Testing of Transmitters with Multiple Outputs in the Same Band".

[19]

TS 37.141: "NR, E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base Station (BS) conformance testing".

[20]

TS 36.141: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) conformance testing".

[21]

IEC 60721-3-3: "Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weather protected locations".

[22]

IEC 60721-3-4: "Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weather protected locations".

[23]

ETSI EN 300 019-1-3: "Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-3: Classification of environmental conditions; Stationary use at weather protected locations".

[24]

ETSI EN 300 019-1-4: "Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weather protected locations".

[25]

CEPT ECC Decision (13)03, "The harmonised use of the frequency band 1452-1492 MHz for Mobile/Fixed Communications Networks Supplemental Downlink (MFCN SDL)".

[26]

TS 45.004: "Digital cellular telecommunications system (Phase 2+); Modulation".

[27]

TS 38.104: "NR; Base Station (BS) radio transmission and reception"

[28]

TS 38.104: (V15.1.0): "NR; Base Station (BS) radio transmission and reception (Release 15)"

[29]

TS 37.145-1: "Active Antenna System (AAS) Base Station (BS) conformance testing; Part 1: Conducted conformance testing"

[30]

TS 37.145-2: "Active Antenna System (AAS) Base Station (BS) conformance testing; Part 2: radiated conformance testing"

[31]

TS 36.211: "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation"

3 Definitions, symbols and abbreviations p. 23

3.1 Definitions p. 23

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.

AAS BS receiver:

composite receiver function of an AAS BS receiving in an uplink operating band

active antenna system base station:

base station system which combines an antenna array with a transceiver unit array and a radio distribution network

active transmitter unit:

transmitter unit which is ON, and has the ability to send modulated data streams that are parallel and distinct to those sent from other transmitter units to one or more TAB connectors at the transceiver array boundary

band category:

group of operating bands for which the same MSR scenarios apply

Base Station RF Bandwidth:

bandwidth in which a base station transmits and/or receives single or multiple carrier(s) and/or RATs simultaneously within a supported operating band

Base Station RF Bandwidth edge:

frequency of one of the edges of the Base Station RF Bandwidth

basic limit:

emissions limit taken from the non-AAS BS specifications that is converted into a per TAB connector TX min cell group AAS BS emissions limit, or into a per TAB connector RX min cell group AAS BS emissions limit by scaling, depending on the context

beam:

main lobe of a radiation pattern from an AAS BS

beam centre direction:

direction equal to the geometric centre of the half-power EIRP contour of the beam

beam direction pair:

data set consisting of the beam centre direction and the related beam peak direction

beam peak direction:

direction where the maximum EIRP is supposed to be found

beamwidth:

angles describing the major and minor axes of an ellipsoid closest fit to an essentially elliptic half-power EIRP contour of the beam

carrier:

modulated waveform conveying the E-UTRA or UTRA physical channels

carrier aggregation:

aggregation of two or more NR or E-UTRA component carriers in order to support wider transmission bandwidths

channel bandwidth:

RF bandwidth supporting a single RF carrier with the transmission bandwidth configured in the uplink or downlink of a cell

code domain power:

part of the mean power which correlates with a particular (OVSF) code channel in a UTRA signal

co-location reference antenna:

a passive antenna used as reference for base station to base station co-location requirements.

demodulation branch:

single input of the AAS BS receiver to the demodulation algorithms.

downlink operating band:

part of the (FDD) operating band designated for downlink transmission

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

equivalent isotropic radiated power:

equivalent power radiated from an isotropic directivity device producing the same field intensity at a point of observation as the field intensity radiated in the direction of the same point of observation by the discussed device

equivalent isotropic sensitivity:

sensitivity for an isotropic directivity device equivalent to the sensitivity of the discussed device exposed to an incoming wave from a defined AoA

hybrid AAS BS:

AAS BS which has both a conducted RF interface and a radiated RF interface in the far field and conforms to a hybrid requirements set

hybrid requirements set:

complete set of requirements applied to a hybrid AAS BS with both conducted and radiated requirements

inter-band gap:

frequency gap between two supported consecutive operating bands

Inter RF Bandwidth gap:

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

maximum carrier output power per TAB connector:

mean power level measured on a particular carrier at the TAB connector(s), during the transmitter ON period in a specified reference condition

maximum throughput:

maximum achievable throughput for a reference measurement channel

minSENS RoAoA:

the reference RoAoA associated with the OSDD with the lowest declared EIS value.

MSR operation:

operation of AAS BS declared to be MSR in particular operating band(s) (including any of UTRA, E-UTRA and/or NR operation as SR or multi-RAT based on 37.104)

multi-band requirements:

requirements applying per one single operating band with exclusion bands or other multi-band provisions as defined for each requirement

multi-band RIB:

operating band specific RIB associated with a transmitter or receiver that is 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 than the other carrier(s) and where this different operating band is not a sub-band or superseding-band of another supported operating band in which the same RAT is operated.

multi-band TAB connector:

TAB connector associated with a transmitter or receiver that is 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 than the other carrier(s) and where this different operating band is not a sub-band or superseding-band of another supported operating band in which the same RAT is operated.

non-AAS BS:

BS conforming to one of the specifications in TS 25.104, TS 25.105, TS 36.104 or TS 37.104

non-contiguous spectrum:

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

OTA AAS BS:

AAS BS which has ≥8 transceiver units for E-UTRA or MSR and ≥4 transceiver units for UTRA per cell and has a radiated RF interface only and conforms to the OTA requirements set.

OTA coverage range:

a common range of directions within which TX OTA requirements that are neither specified in the OTA peak directions sets nor as TRP requirement are intended to be met

OTA peak directions set:

set(s) of beam peak directions within which certain TX OTA requirements are intended to be met, where all OTA peak directions set(s) are subsets of the OTA coverage range

OTA REFSENS RoAoA:

Is the RoAoA determined by the contour defined by the points at which the achieved EIS is 3dB higher than the achieved EIS in the reference direction assuming that for any AoA, the receiver gain is optimized for that AoA.

OTA requirements set:

complete set of OTA requirements applied to an OTA AAS BS.

OTA sensitivity directions declaration:

set of manufacturer declarations comprising at least one set of declared minimum EIS values (with related RAT and channel bandwidth), and related directions over which the EIS applies

output power at a TAB connector:

mean power delivered to a load with resistance equal to the nominal load impedance of the TAB connector

polarization match:

condition that exists when a plane wave, incident upon an antenna from a given direction, has a polarization that is the same as the receiving polarization of the antenna in that direction

radiated interface boundary:

operating band specific radiated requirements reference where the radiated requirements apply.

Radio Bandwidth:

frequency difference between the upper edge of the highest used carrier and the lower edge of the lowest used carrier

radio distribution network:

linear passive network which distributes the RF power generated by the transceiver unit array to the antenna array, and/or distributes the radio signals collected by the antenna array to the transceiver unit array

rated beam EIRP:

EIRP that is declared as being achieved in the beam peak direction associated with a particular beam direction pair

rated carrier output power per TAB connector:

mean power level associated with a particular carrier the manufacturer has declared to be available at the TAB connector, during the transmitter ON period in a specified reference condition

rated total output power per TAB connector:

mean power level associated with a particular operating band the manufacturer has declared to be available at the TAB connector, during the transmitter ON period in a specified reference condition

receive period:

time during which the AAS BS is receiving data sub-frames (or UpPTS in case of E-UTRA frame Type2) on a (TDD) carrier

receiver target:

AoA in which reception is performed by AAS BS

receiver target redirection range:

union of all the sensitivity RoAoA achievable through redirecting the receiver target related to particular OSDD

receiver target reference direction:

direction inside the OTA sensitivity directions declaration declared by the manufacturer for conformance testing. For an OSDD without receiver target redirection range, this is a direction inside the sensitivity RoAoA

reference beam direction pair:

declared beam direction pair, including reference beam centre direction and reference beam peak direction where the reference beam peak direction is the direction for the intended maximum EIRP within the OTA peak directions set

reference RoAoA:

the sensitivity RoAoA associated with the receiver target reference direction for each OSDD.

sensitivity RoAoA:

RoAoA within the OTA sensitivity directions declaration, within which the declared EIS(s) of an OSDD is intended to be achieved at any instance of time for a specific AAS BS direction setting

single band requirements:

requirements applying per one single operating band without exclusion bands or other multi-band provisions

single band RIB:

operating band specific RIB supporting operation either in a single operating band only, or in multiple operating bands but does not meet the conditions for a multi-band connector.

single band TAB connector:

TAB connector supporting operation either in a single operating band only, or in multiple operating bands but does not meet the conditions for a multi-band RIB.

single direction requirement:

AAS BS requirement which is applied in a specific direction within the OTA coverage range for the Tx and when the AoA of the incident wave of a received signal is within the OTA REFSENS RoAoA or the minSENS RoAoA as appropriate for the receiver.

single RAT E-UTRA operation:

operation of AAS BS declared to be single RAT E-UTRA in the operating band

single RAT UTRA operation:

operation of AAS BS declared to be single RAT UTRA in the operating band

sTTI:

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

sub-block:

one contiguous allocated block of spectrum for use by the same Base Station

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

Synchronized operation:

Operation of TDD in two different systems, where no simultaneous uplink and downlink occur.

TAB connector:

transceiver array boundary connector

TAB connector RX min cell group:

operating band specific declared group of TAB connectors to which RX requirements are applied.

TAB connector TX min cell group:

operating band specific declared group of TAB connectors to which TX requirements are applied.

throughput:

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

total radiated power:

is the total power radiated by the antenna.

transceiver array boundary:

conducted interface between the transceiver unit array and the composite antenna

transmission bandwidth:

RF bandwidth of an instantaneous E-UTRA transmission from a UE or BS, measured in resource Block units

transmitter OFF period:

time period during which the transmitter is scheduled not to transmit

transmitter ON period:

time period during which the transmitter is transmitting data and/or reference symbols

transmitter transient period:

time period during which the transmitter unit belonging to the transceiver unit array 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 (FDD) operating band designated for uplink transmission

3.2 Symbols p. 27

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

BeW_θ,REFSENS

The beamwidth equivalent to the OTA REFSENS RoAoA in the θ-axis in degrees.

BeW_φ,REFSENS

The beamwidth equivalent to the OTA REFSENS RoAoA in the φ-axis in degrees.

ΔfOBUE

Maximum offset of the operating band unwanted emissions mask from the downlink operating band edge

ΔfOOB

Maximum offset of the out-of-band boundary from the uplink operating band edge

Δ_minSENS

Difference between conducted reference sensitivity and EISminsens

Δ_OTAREFSENS

Difference between conducted reference sensitivity and OTA REFSENS

EIS_minsens

The EIS declared for the minSENS RoAoA

F_{DL_low}

The lowest frequency of the downlink operating band

F_{DL_high}

The highest frequency of the downlink operating band

N_cells

The declared number corresponding to the minimum number of cells that can be transmitted by an AAS BS in a particular band with transmission on all TAB connectors supporting the operating band.

N_RXU,active

The number of active receiver units. The same as the number of demodulation branches to which compliance is declared for chapter 8 performance requirements.

N_RXU,counted

The number of active receiver units that are taken into account for unwanted emission scaling, as calculated in subclause 7.1.

N_{RXU,countedpercell}

The number of active receiver units that are taken into account for unwanted emissions scaling per cell, as calculated in subclause 7.6. The number is defined in subclause 7.1.

N_{TXU, active}

The number of active transmitter units.

N_TXU,counted

The number of active transmitter units, as calculated in subclause 6.1, that are taken into account for conducted TX power limit in subclause 6.2, and for unwanted emissions scaling.

N_{TXU,countedpercell}

The number of active transmitter units that are taken into account for emissions scaling per cell, as calculated in subclause 6.6. The number is defined in subclause 6.1.

P_max,c,cell

The maximum carrier output power per TAB connector TX min cell group

P_max,c,TABC

The maximum carrier output power per TAB connector

P_max,c,TRP

The maximum carrier output power per cell

P_max,t,TRP

The maximum total output power per cell

P_Rated,c,TABC

The rated carrier output power per TAB connector

P_rated,c,TRP

The rated carrier TRP

P_Rated,c,sys

The sum of PRated,c,TABC for all TAB connectors for a single carrier

P_{Rated,t,group}

The sum of PRated,t,TABC for all TAB connectors belonging to a specified group

P_Rated,t,TABC

The rated total output power per TAB connector

P_rated,t,TRP

Rated transmitter TRP declared per RIB

P_REFSENS

Conducted reference Sensitivity power level

3.3 Abbreviations p. 28

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.

AAS BS

Active Antenna System Base Station

ACLR

Adjacent Channel Leakage power Ratio

ACS

Adjacent Channel Selectivity

AoA

Angle of Arrival

Band Category

BER

Bit Error Rate

BLER

Block Error Rate

CACLR

Cumulative ACLR

Continuous Wave (unmodulated signal)

D-CPICH

Demodulation Common Pilot Channel

DIP

Dominant Interferer Proportion

EIRP

Equivalent Isotropic Radiated Power

EIS

Equivalent Isotropic Sensitivity

FCC

Federal Communications Commission

FDD

Frequency Division Duplex

FRC

Fixed Reference Channel

HARQ

Hybrid Automatic Repeat Request

HS-DSCH

High Speed Downlink Shared Channel

ITU

International Telecommunication Union

ITU-R

Radio communication Sector of the ITU

MIMO

Multiple Inputs Multiple Outputs

MSR

Multi-Standard Radio

NB-IoT

Narrowband - Internet of Things

OBUE

Operating Band Unwanted Emission

OSDD

OTA Sensitivity Directions Declaration

OTA

Over The Air

OVSF

Orthogonal variable spreading factor

PCCPCH

Primary Common Control Physical CHannel

RAT

Radio Access Technology

Resource Block (for E-UTRA)

RDN

Radio Distribution Network

Resource Element

Radio Frequency

RIB

Radiated Interface Boundary

RoAoA

Range of Angles of Arrival

sPDCCH

shortened Physical Downlink Control Channel

sPDSCH

shortened Physical Downlink Shared Channel

TAB

Transceiver Array Boundary

TDD

Time Division Duplex

TRP

Total Radiated Power

TTI

Transmission Time Interval