Universal Mobile Telecommunications System (UMTS); LTE; Active Antenna System (AAS) Base Station (BS) Electromagnetic Compatibility (EMC) (3GPP TS 37.114 version 15.8.0 Release 15)

RTS/TSGR-0437114vf80

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Status
Published
Publication Date
16-Apr-2020
Current Stage
12 - Completion
Completion Date
17-Apr-2020
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ETSI TS 137 114 V15.8.0 (2020-04) - Universal Mobile Telecommunications System (UMTS); LTE; Active Antenna System (AAS) Base Station (BS) Electromagnetic Compatibility (EMC) (3GPP TS 37.114 version 15.8.0 Release 15)
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ETSI TS 137 114 V15.8.0 (2020-04)






TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
Active Antenna System (AAS) Base Station (BS)
Electromagnetic Compatibility (EMC)
(3GPP TS 37.114 version 15.8.0 Release 15)

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3GPP TS 37.114 version 15.8.0 Release 15 1 ETSI TS 137 114 V15.8.0 (2020-04)



Reference
RTS/TSGR-0437114vf80
Keywords
LTE,UMTS
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ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 2 ETSI TS 137 114 V15.8.0 (2020-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Legal Notice
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 3GPP and ETSI identities can be found under http://webapp.etsi.org/key/queryform.asp.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 3 ETSI TS 137 114 V15.8.0 (2020-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 4
1 Scope . 6
2 References . 6
3 Definitions, symbols and abbreviations . 8
3.1 Definitions . 8
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Test conditions . 11
4.1 Exclusion bands . 12
4.1.1 Transmitter exclusion band . 12
4.1.2 Receiver exclusion band . 12
4.2 Arrangements for establishing a communication link . 13
4.3 Narrow band responses on receivers . 13
4.4 BS test configurations . 13
5 Performance assessment . 16
5.1 General . 16
5.2 Assessment of performance in Downlink . 17
5.3 Assessment of performance in Uplink . 17
6 Performance criteria . 17
7 Applicability overview . 18
7.1 Emission . 18
7.2 Immunity . 18
8 Emission . 19
8.1 Test configurations . 19
8.2 Radiated emission from base station . 19
8.2.1 Radiated emission, hybrid AAS BS . 19
8.2.2 Radiated emission, OTA AAS BS . 20
8.3 Conducted emissions, DC power input/output port . 20
8.4 Conducted emissions, AC mains power input/output port . 20
8.5 Harmonic current emissions (AC mains input port) . 21
8.6 Voltage fluctuations and flicker (AC mains input port) . 21
8.7 Conducted emissions, telecommunication ports . 21
9 Immunity . 21
9.1 Test configurations . 21
9.2 RF electromagnetic field (80 MHz - 6000 MHz) . 22
9.2.1 RF electromagnetic field, hybrid AAS BS . 22
9.2.2 RF electromagnetic field, OTA AAS BS . 22
9.3 Electrostatic discharge . 23
9.4 Fast transients common mode . 24
9.5 RF common mode (0.15 MHz - 80 MHz) . 24
9.6 Voltage dips and interruptions . 24
9.7 Surges, common and differential mode . 24
Annex A (informative): Change history . 25
History . 26

ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 4 ETSI TS 137 114 V15.8.0 (2020-04)
Foreword
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
In the present document, modal verbs have the following meanings:
shall indicates a mandatory requirement to do something
shall not indicates an interdiction (prohibition) to do something
The constructions "shall" and "shall not" are confined to the context of normative provisions, and do not appear in
Technical Reports.
The constructions "must" and "must not" are not used as substitutes for "shall" and "shall not". Their use is avoided
insofar as possible, and they are not used in a normative context except in a direct citation from an external, referenced,
non-3GPP document, or so as to maintain continuity of style when extending or modifying the provisions of such a
referenced document.
should indicates a recommendation to do something
should not indicates a recommendation not to do something
may indicates permission to do something
need not indicates permission not to do something
The construction "may not" is ambiguous and is not used in normative elements. The unambiguous constructions
"might not" or "shall not" are used instead, depending upon the meaning intended.
can indicates that something is possible
cannot indicates that something is impossible
The constructions "can" and "cannot" are not substitutes for "may" and "need not".
will indicates that something is certain or expected to happen as a result of action taken by an
agency the behaviour of which is outside the scope of the present document
will not indicates that something is certain or expected not to happen as a result of action taken by an
agency the behaviour of which is outside the scope of the present document
might indicates a likelihood that something will happen as a result of action taken by some agency the
behaviour of which is outside the scope of the present document
might not indicates a likelihood that something will not happen as a result of action taken by some agency
the behaviour of which is outside the scope of the present document
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 5 ETSI TS 137 114 V15.8.0 (2020-04)
In addition:
is (or any other verb in the indicative mood) indicates a statement of fact
is not (or any other negative verb in the indicative mood) indicates a statement of fact
The constructions "is" and "is not" do not indicate requirements.
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 6 ETSI TS 137 114 V15.8.0 (2020-04)
1 Scope
The present document covers the assessment of UTRA TDD, UTRA FDD, E-UTRA, NR and Multi-Standard Radio
(MSR) Active Antenna Systems Base Stations in respect of Electromagnetic Compatibility (EMC).
NOTE 1: Whenever the AAS BS in single RAT UTRA operation, or AAS BS in MSR operation using UTRA is
referred in this specification, UTRA TDD and UTRA FDD shall be considered, unless otherwise stated.
NOTE 2: For NR, scope of this specification is limited to BS type 1-H and BS type 1-O. For EMC requirements of
the MSR BS for BS type 1-C, refer to TS 37.113 [4].
The present document specifies the applicable test conditions, performance assessment and performance criteria for
base stations in the following categories:
- Active Antenna System Base Station for UTRA TDD, UTRA FDD, E-UTRA, NR and MSR meeting the
conducted requirements of TS 37.105 [2], with conformance demonstrated by compliance to TS 37.145-1 [3],
- Active Antenna System Base Station for UTRA FDD, E-UTRA, NR and MSR meeting the OTA requirements
of 3TS 37.105 [2], with conformance demonstrated by compliance to TS 37.145-2 [10].
The present document does not cover ancillary equipment requirements, where ancillary equipment is not incorporated
in the radio equipment and can be assessed on a stand-alone basis, as declared by the manufacturer. Ancillary
equipment EMC requirements are still applicable to the AAS BS and are covered by other EMC specifications in TS
25.113 [5], TS 36.113 [6], TS 37.113 [4] or TS 38.113 [30].
The present document does not specify test conditions, performance assessment and performance criteria for the
Narrow-Band Internet of Things (NB-IoT) in band, NB-IoT guard band, or standalone NB-IoT operation, for AAS BS
in single RAT E-UTRA operation as defined in TS 36.113 [6], or for AAS BS in MSR operation using E-UTRA as
defined in TS 37.113 [4].
The present document does not specify test conditions, performance assessment and performance criteria for Band 46
operation as it is not supported by AAS BS.
The scope of the present document is twofold:
- Requirement, procedures and values of a hybrid AAS BS with TAB connectors for every transceiver unit at the
transceiver array boundary (TAB), subject to conducted requirements,
NOTE 3: hybrid AAS BS in the single RAT NR operation is equivalent to BS type 1-H defined in NR BS
specification TS 38.104 [31].
- Requirements, procedures and values of an OTA AAS BS without TAB connectors and relying in the radiated
interface, subject to radiated requirements.
NOTE 4: OTA AAS BS in the single RAT NR operation is equivalent to BS type 1-O defined in NR BS
specification TS 38.104 [31].
The electromagnetic environment classification used in the present document refers to the residential, commercial and
light industrial environment classification used in IEC 61000-6-1 [7] and IEC 61000-6-3 [8].
The EMC requirements have been selected to ensure an adequate level of compatibility for apparatus at residential,
commercial and light industrial environments. The levels, however, do not cover extreme cases which may occur in any
location but with low probability of occurrence.
2 References
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.
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 7 ETSI TS 137 114 V15.8.0 (2020-04)
- 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] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".
[2] 3GPP TS 37.105: "Active Antenna System (AAS) Base Station (BS) transmission and reception".
[3] 3GPP TS 37.145-1: "Active Antenna System (AAS) Base Station (BS) conformance testing; Part
1: Conducted conformance testing".
[4] 3GPP TS 37.113: "E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base Station
(BS) Electromagnetic Compatibility (EMC)".
[5] 3GPP TS 25.113: "Base Station (BS) and repeater ElectroMagnetic Compatibility (EMC)".
[6] 3GPP TS 36.113: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) and
repeater ElectroMagnetic Compatibility (EMC)".
[7] IEC 61000-6-1: 2016: "Electromagnetic compatibility (EMC) - Part 6-1: Generic standards -
Immunity standard for residential, commercial and light-industrial environments".
[8] IEC 61000-6-3: 2006/AMD1:2010: "Electromagnetic compatibility (EMC) - Part 6-3: Generic
standards - Emission standard for residential, commercial and light-industrial environments".
[9] 3GPP TR 37.842: "Radio Frequency (RF) requirement background for Active Antenna System
(AAS) Base Station (BS)".
[10] 3GPP TS 37.145-2: "Active Antenna System (AAS) Base Station (BS) conformance testing; Part
2: radiated conformance testing".
[11] IEC 61000-3-2: 2014: "Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for
harmonic current emissions (equipment input current ≤ 16 A per phase)".
[12] IEC 61000-3-3: 2013: "Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of
voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for
equipment with rated current ≤ 16 A per phase and not subject to conditional connection".
[13] IEC 61000-3-11: 2017 "Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of
voltage changes, voltage fluctuations and flicker in public low-voltage supply systems -
Equipment with rated current ≤ 75 A and subject to conditional connection".
[14] IEC 61000-3-12: 2011: "Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for
harmonic currents produced by equipment connected to public low-voltage systems with input
current >16 A and ≤ 75 A per phase".
[15] IEC 61000-4-2: 2008: "Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement
techniques - Electrostatic discharge immunity test".
[16] IEC 61000-4-3: 2006+AMD1:2007+AMD2:2010: "Electromagnetic compatibility (EMC) - Part 4-
3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field
immunity test".
[17] IEC 61000-4-4: 2012: "Electromagnetic compatibility (EMC) – Part 4-4: Testing and
measurement techniques – Electrical fast transient/burst immunity test".
[18] IEC 61000-4-5: 2014+AMD1:2017: "Electromagnetic compatibility (EMC) - Part 4-5: Testing and
measurement techniques - Surge immunity test".
[19] IEC 61000-4-6: 2013: "Electromagnetic compatibility (EMC) - Part 4-6: Testing and measurement
techniques - Immunity to conducted disturbances, induced by radio-frequency fields".
[20] IEC 61000-4-11: 2004+AMD1:2017: "Electromagnetic compatibility (EMC) - Part 4-11: Testing
and measurement techniques - Voltage dips, short interruptions and voltage variations immunity
tests".
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 8 ETSI TS 137 114 V15.8.0 (2020-04)
[21] ETSI EN 301 489-1: "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 1:
Common technical requirements".
[22] Void
[23] Void
[24] ITU-R SM.329-10: "Unwanted emissions in the spurious domain".
[25] ETSI EN 301 489-50, v2.1.0: "ElectroMagnetic Compatibility (EMC) standard for radio
equipment and services; Part 50: Specific conditions for Cellular Communication Base Station
(BS), repeater and ancillary equipment; Harmonised Standard covering the essential requirements
of article 3.1(b) of Directive 2014/53/EU".
[26] 3GPP TS 25.102: "User Equipment (UE) radio transmission and reception (TDD)".
[27] 3GPP TS 25.101: "User Equipment (UE) radio transmission and reception (FDD)".
[28] 3GPP TS 36.101: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE)
radio transmission and reception".
[29] CISPR 32: "Electromagnetic compatibility of multimedia equipment - Emission requirements".
[30] 3GPP TS 38.113: "NR; Base Station (BS) ElectroMagnetic Compatibility (EMC)".
[31] 3GPP TS 38.104: "NR; Base Station (BS) radio transmission and reception".
[32] Void
[33] 3GPP TS 37.104: "NR, E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base
Station (BS) radio transmission and reception".
[34] 3GPP TS 38.101-4: "NR; User Equipment (UE) radio transmission and reception; Part 4:
Performance requirements".
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in TR 21.905 [1], TS 37.113 [4] 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] or TS 37.113 [4].
NOTE: Multi-word definitions are treated as linguistic expressions and printed in italic font throughout this
requirement specification. Linguistic expressions may not be split and are printed in their entirety.
active antenna system base station: BS system which combines an antenna array with a transceiver unit array and a
radio distribution network.
antenna array: group of radiating elements characterized by the geometry and the properties of the array elements.
antenna port: RF interface at the transceiver array boundary, specifically the TAB connectors.
BS type 1-H: NR base station operating at FR1 with a requirement set consisting of conducted requirements defined at
individual TAB connectors and OTA requirements defined at RIB.
BS type 1-O: NR base station operating at FR1 with a requirement set consisting only of OTA requirements defined at
the RIB.
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.
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 9 ETSI TS 137 114 V15.8.0 (2020-04)
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 single RAT or multi-RAT based on TS 37.104 [33]).
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 an 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.
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 requirements set: complete set of OTA requirements applied to an OTA AAS BS.
port: particular interface of EUT used for EMC requirements testing purposes.
NOTE: Any connection point on EUT intended for connection of cables to or from EUT during the EMC testing
is considered as a port.
EXAMPLE 1: Examples of ports for hybrid AAS BS are as presented in figure 3.1-1:

Figure 3.1-1: Examples of ports for hybrid AAS BS
EXAMPLE 2: Examples of ports for OTA AAS BS (i.e. with no antenna ports) are as presented in figure 3.1-2:

Figure 3.1-2: Examples of ports for OTA AAS BS
radiated interface boundary: operating band specific radiated requirements reference where the radiated requirements
apply.
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.
ETSI

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3GPP TS 37.114 version 15.8.0 Release 15 10 ETSI TS 137 114 V15.8.0 (2020-04)
NOTE: In the case when the active transceiver units are physically integrated with the array elements of the
antenna array, the radio distribution network is a one-to-one mapping.
single RAT E-UTRA operation: operation of AAS BS declared to be single RAT E-UTRA in the operating band.
NOTE: Single RAT E-UTRA operation does not cover in-band NB-IoT, nor guardband NB-IoT operation.
single RAT UTRA operation: operation of AAS BS declared to be single RAT UTRA in the operating band.
spatial exclusion zone: range of angles where no tests of radiated immunity are made for OTA AAS BS (i.e. half sphere
around the EUT's radiating direction).
TAB connector: transceiver array boundary connector.
transceiver array boundary: conducted interface between the transceiver unit array and the composite antenna.
transceiver unit: active unit consisting of transmitter and/or receiver which transmits and/or receives radio signals, and
which may include passive RF filters.
telecommunication port: ports which are intended to be connected to telecommunication networks (e.g. public
switched telecommunication networks, integrated services digital networks), local area networks (e.g. Ethernet, Token
Ring) and similar networks.
NOTE: ETSI EN 301 489-1 [21] calls telecommunication port as the "wired network port".
3.2 Symbols
For the purposes of the present document, the following symbols apply:
BW Channel bandwidth
Channel
f Frequency offset used for discovering narrowband response for receivers
offset
F The highest frequency of the uplink operating band
UL_high
F The lowest frequency of the uplink operating band
UL_low
Δf Maximum offset of the out-of-band boundary from the uplink operating band edge
OOB
Δf Maximum offset of the Radiated Immunity exclusion band from the uplink operating band edge
RIexclusion
for test without spatial exclusion zone applied

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].
AAS Active Antenna System
AAS BS AAS Base Station
CSA Capability Set supported by the AAS BS
EMC ElectroMagnetic Compatibility
EUT Equipment Under
...

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