SIST EN 301 908-23 V15.1.1:2023

IMT cellular networks - Harmonised Standard for access to radio spectrum - Part 23: Active Antenna System (AAS) Base Station (BS) - Release 15

The present document specifies technical characteristics and methods of measurements for types of radio equipment:
• AAS BS supporting Single-RAT UTRA FDD.
• AAS BS supporting Single-RAT E-UTRA.
• AAS BS supporting Multi-Standard Radio (UTRA-FDD, E-UTRA, NR).
In the present document, the term "requirements for single RAT operation" refers to requirements that are derived from
the ETSI TS 125 141 [7] or ETSI TS 136 141 [11] specifications baseline. The term "requirements for MSR operation"
refers to requirements derived from the ETSI TS 137 141 [6] specification baseline (including NR operation as part of
MSR).

Celična omrežja IMT - Harmonizirani standard za dostop do radijskega spektra - 23. del: Aktivni antenski sistem (AAS) bazne postaje (BS), izdaja 15

Ta dokument določa tehnične lastnosti in merilne metode za te vrste radijske opreme:
– AAS BS, ki podpira Single-RAT UTRA FDD;
– AAS BS, ki podpira Single-RAT E-UTRA;
– AAS BS, ki podpira Multi-Standard Radio (UTRA-FDD, E-UTRA, NR).
V tem dokumentu se izraz »zahteve za posamezno delovanje RAT« navezuje na zahteve, ki izhajajo iz osnove specifikacij ETSI TS 125 141 [7] ali ETSI TS 136 141 [11].
Izraz »zahteve za delovanje MSR« se navezuje na zahteve, ki izhajajo iz osnove specifikacije ETSI TS 137 141 [6] (vključno z delovanjem NR kot delom MSR).

General Information

• Status: Published
• Public Enquiry End Date: 28-Feb-2023
• Publication Date: 18-Sep-2023
• ICS: 33.060.99 - Other equipment for radiocommunications
• ICS: 33.070.99 - Other mobile services
• Technical Committee: MOC - Mobile Communications
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 18-Sep-2023
• Due Date: 23-Nov-2023
• Completion Date: 19-Sep-2023
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Ref Project: ETSI EN 301 908-23 V15.1.1 (2023-09) - IMT cellular networks; Harmonised Standard for access to radio spectrum; Part 23: Active Antenna System (AAS) Base Station (BS); Release 15

Overview

SIST EN 301 908-23 V15.1.1:2023 is the harmonised European standard (ETSI EN 301 908-23 V15.1.1) for access to radio spectrum covering Active Antenna System (AAS) Base Stations (BS) - Release 15. The document specifies technical characteristics and methods of measurements for AAS base stations that support:

• Single‑RAT UTRA FDD (3G/UMTS),
• Single‑RAT E‑UTRA (4G/LTE),
• Multi‑Standard Radio (MSR) configurations combining UTRA‑FDD, E‑UTRA and NR (5G).

This harmonised standard is intended for spectrum access, regulatory compliance and conformity assessment in IMT cellular networks.

Key topics and technical requirements

The standard contains detailed transmitter and receiver requirements, measurement methods and conformance rules. Major technical topics include:

• Operating Band Unwanted Emissions (OBUE) - definitions, applicability and limits for single RAT and MSR operation.
• Spectrum Emission Mask (SEM) and Adjacent Channel Leakage Ratio (ACLR) - spectral mask and adjacent‑channel performance.
• Transmitter spurious emissions and OTA OBUE - radiated and conducted unwanted emissions and over‑the‑air measurement procedures.
• Base station maximum output power, transmit intermodulation and receiver intermodulation - power limits and intermodulation performance for multi‑band AAS.
• Blocking, Adjacent Channel Selectivity (ACS), narrowband blocking, and reference sensitivity level - receiver performance under interfering signals.
• Radiated vs. conducted requirements - separate criteria and measurement methods for over‑the‑air and cable‑connected testing.
• Conformance and measurement methodologies - environmental profiles, requirement applicability and test setups.

The document references ETSI TS 125 141, TS 136 141 and TS 137 141 baselines for deriving single‑RAT and MSR requirements, ensuring alignment with 3GPP technical specifications.

Practical applications - who uses this standard

This standard is essential for stakeholders involved in the design, testing, certification and deployment of cellular base stations:

• RF and antenna system designers developing AAS BS for 3G/4G/5G (UTRA FDD, E‑UTRA, NR).
• Test laboratories and conformity assessors performing conducted and OTA measurements for regulatory approval.
• Mobile network operators validating site equipment, interference behaviour and multi‑standard co‑existence.
• Regulators and spectrum authorities using harmonised limits to grant spectrum access and ensure coexistence.
• Manufacturers and integrators preparing documentation for CE marking and market entry in Europe.

Related standards

• ETSI TS 125 141 (UTRA baseline)
• ETSI TS 136 141 (E‑UTRA baseline)
• ETSI TS 137 141 (MSR and NR baseline)
• Other parts of the ETSI EN 301 908 family covering different BS types and test methods

This standard is a critical reference for ensuring AAS base station compliance with European spectrum access rules, interference mitigation, and multi‑standard (3G/4G/5G) operational requirements.

Standards Content (Sample)

Draft ETSI EN 301 908-23 V15.0.0 (2022-12)

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 23: Active Antenna System (AAS) Base Station (BS);
Release 15
2 Draft ETSI EN 301 908-23 V15.0.0 (2022-12)

Reference
DEN/MSG-TFES-13-23
Keywords
3G, 3GPP, 4G, 5G, antenna, base station, cellular,
digital, E-UTRA, IMT, IMT-2000, IMT-Advanced,
LTE, LTE-Advanced, mobile, NR, radio, regulation,
UMTS, UTRA, WCDMA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2022.
All rights reserved.
ETSI
3 Draft ETSI EN 301 908-23 V15.0.0 (2022-12)
Contents
Intellectual Property Rights . 10
Foreword . 10
Modal verbs terminology . 11
Introduction . 11
1 Scope . 12
2 References . 14
2.1 Normative references . 14
2.2 Informative references . 15
3 Definition of terms, symbols and abbreviations . 17
3.1 Terms . 17
3.2 Symbols . 21
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Requirement set applicability . 24
4.3 Conformance requirements . 25
4.3.1 Introduction. 25
4.3.1.1 General . 25
4.3.1.2 Conducted transmitter requirements . 28
4.3.1.3 Conducted receiver requirements . 28
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 29
4.3.1.5 Radiated transmitter requirements . 29
4.3.1.6 Radiated receiver requirements . 30
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 30
4.3.2 Operating Band Unwanted Emissions (OBUE) . 31
4.3.2.1 Definition and applicability . 31
4.3.2.2 Limits . 31
4.3.2.2.1 Limits for MSR operation . 31
4.3.2.2.2 Limits for single RAT E-UTRA operation . 46
4.3.2.3 Conformance . 60
4.3.3 Spectrum Emission Mask (SEM) . 60
4.3.3.1 Definition and applicability . 60
4.3.3.2 Limits . 61
4.3.3.3 Conformance . 66
4.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 66
4.3.4.1 Definition and applicability . 66
4.3.4.2 Limits . 66
4.3.4.2.1 General . 66
4.3.4.2.2 Absolute limits . 66
4.3.4.2.3 Relative limits for MSR operation . 67
4.3.4.2.4 Relative limits for single RAT UTRA FDD operation . 72
4.3.4.2.5 Relative limits for E-UTRA operation . 73
4.3.4.3 Conformance . 75
4.3.5 Transmitter spurious emis sions . 75
4.3.5.1 Definition and applicability . 75
4.3.5.2 Limits . 76
4.3.5.2.1 General spurious emissions limits . 76
4.3.5.2.2 Limits for protection of the BS receiver . 77
4.3.5.2.3 Limits for co-existence with other systems . 77
4.3.5.2.4 Additional limits . 80
4.3.5.3 Conformance . 80
4.3.6 Base station maximum output power . 80
4.3.6.1 Definition and applicability . 80
4.3.6.2 Limits . 80
ETSI
4 Draft ETSI EN 301 908-23 V15.0.0 (2022-12)
4.3.6.3 Conformance . 81
4.3.7 Transmit intermodulation . 81
4.3.7.1 Definition and applicability . 81
4.3.7.2 Limits . 81
4.3.7.2.1 Limits for MSR operation . 81
4.3.7.2.2 Limits for Single RAT UTRA operation . 83
4.3.7.2.3 Limits for Single RAT E-UTRA operation . 84
4.3.7.3 Conformance . 84
4.3.8 Receiver spurious emissions . 85
4.3.8.1 Definition and applicability . 85
4.3.8.2 Limits . 85
4.3.8.2.1 General limits . 85
4.3.8.3 Conformance . 86
4.3.9 Blocking . 86
4.3.9.1 Definition and applicability . 86
4.3.9.2 Limits . 86
4.3.9.2.1 Limits for MSR operation . 86
4.3.9.2.2 Limits for single RAT UTRA operation . 87
4.3.9.2.3 Limits for single RAT E-UTRA operation . 90
4.3.9.3 Conformance . 92
4.3.10 Receiver intermodulation . 92
4.3.10.1 Definition and applicability . 92
4.3.10.2 Limits . 92
4.3.10.2.1 Limits for MSR operation . 92
4.3.10.2.2 Limits for single RAT UTRA operation . 96
4.3.10.2.3 Limits for single RAT E-UTRA operation . 96
4.3.10.3 Conformance . 100
4.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 100
4.3.11.1 Definition and applicability . 100
4.3.11.2 Limits . 101
4.3.11.2.1 Limits for MSR operation . 101
4.3.11.2.2 Limits for single RAT UTRA operation . 103
4.3.11.2.3 Limits for single RAT E-UTRA operation . 104
4.3.11.3 Conformance . 106
4.3.12 Reference sensitivity level . 106
4.3.12.1 Definition and applicability . 106
4.3.12.2 Limits . 106
4.3.12.2.1 Limits for UTRA FDD operation . 106
4.3.12.2.2 Limits for E-UTRA operation . 107
4.3.12.2.3 Limits for NR operation . 108
4.3.12.3 Conformance . 109
4.3.13 OTA Operating Band Unwanted Emissions (OTA OBUE) . 109
4.3.13.1 Definition and applicability . 109
4.3.13.2 Limits . 109
4.3.13.2.1 Limits for MSR operation . 109
4.3.13.2.2 Limits for single RAT E-UTRA operation . 125
4.3.13.3 Conformance . 139
4.3.14 OTA Spectrum Emission Mask (OTA SEM) . 139
4.3.14.1 Definition and applicability . 139
4.3.14.2 Limits . 139
4.3.14.3 Conformance . 143
4.3.15 OTA Adjacent Channel Leakage power Ratio (OTA ACLR) . 144
4.3.15.1 Definition and applicability . 144
4.3.15.2 Limits . 144
4.3.15.2.1 General . 144
4.3.15.2.2 Absolute limits . 144
4.3.15.2.3 Relative limits . 145
4.3.15.3 Conformance . 153
4.3.16 OTA transmitter spurious emissions . 153
4.3.16.1 Definition and applicability . 153
4.3.16.2 Limits . 154
4.3.16.2.1 General spurious emissions limits . 154
ETSI
5 Draft ETSI EN 301 908-23 V15.0.0 (2022-12)
4.3.16.2.2 Limits for protection of the BS receiver . 155
4.3.16.2.3 Limits for co-existence with other systems . 155
4.3.16.2.4 Additional limits . 158
4.3.16.3 Conformance . 159
4.3.17 Radiated transmit power . 159
4.3.17.1 Definition and applicability . 159
4.3.17.2 Limits . 159
4.3.17.3 Conformance . 159
4.3.18 OTA Maximum output power . 160
4.3.18.1 Definition and applicability . 160
4.3.18.2 Limits . 160
4.3.18.3 Conformance . 160
4.3.19 OTA transmitter intermodulation . 160
4.3.19.1 Definition and applicability . 160
4.3.19.2 Limits . 160
4.3.19.2.1 Limits for MSR operation . 160
4.3.19.2.2 Limits for single RAT UTRA operation . 162
4.3.19.2.3 Limits for single RAT E-UTRA operation . 163
4.3.19.3 Conformance . 163
4.3.20 OTA receiver spurious emissions . 163
4.3.20.1 Definition and applicability . 163
4.3.20.2 Limits . 164
4.3.20.3 Conformance . 164
4.3.21 OTA blocking . 164
4.3.21.1 Definition and applicability . 164
4.3.21.2 Limits . 165
4.3.21.2.1 Limits for MSR operation . 165
4.3.21.2.2 Limits for Single RAT UTRA operation . 165
4.3.21.2.3 Limits for single RAT E-UTRA operation . 166
4.3.21.3 Conformance . 167
4.3.22 OTA receiver intermodulation . 168
4.3.22.1 Definition and applicability . 168
4.3.22.2 Limits . 168
4.3.22.2.1 Limits for MSR operation . 168
4.3.22.2.2 Limits for single RAT UTRA operation . 172
4.3.22.2.3 Limits for single RAT E-UTRA operation . 174
4.3.22.3 Conformance . 178
4.3.23 OTA Adjacent Channel Selectivity (OTA ACS), general blocking and narrowband blocking . 178
4.3.23.1 Definition and applicability . 178
4.3.23.2 Limits . 179
4.3.23.2.1 Limits for MSR operation . 179
4.3.23.2.2 Limits for Single RAT UTRA FDD operation . 182
4.3.23.2.3 Limits for single RAT E-UTRA operation . 182
4.3.23.3 Conformance . 185
4.3.24 OTA Sensitivity . 185
4.3.24.1 Definition and applicability . 185
4.3.24.2 Limits . 185
4.3.24.2.1 Limits for UTRA operation . 185
4.3.24.2.2 Limits for E-UTRA operation . 185
4.3.24.2.3 Limits for NR operation . 186
4.3.24.3 Conformance . 186
4.3.25 OTA Reference sensitivity level . 186
4.3.25.1 Definition and applicability . 186
4.3.25.2 Limits . 187
4.3.25.2.1 Limits for UTRA FDD operation . 187
4.3.25.2.2 Limits for E-UTRA operation . 187
4.3.25.2.3 Limits for NR operation . 188
4.3.25.3 Conformance . 189
5 Testing for compliance with technical requirements . 189
5.1 Environmental conditions for testing . 189
5.2 Interpretation of the measurement results . 189
ETSI
6 Draft ETSI EN 301 908-23 V15.0.0 (2022-12)
5.3 Essential radio test suites . 189
5.3.1 Introduction. 189
5.3.2 Operating band unwanted emissions . 190
5.3.2.1 General . 190
5.3.2.2 Initial conditions . 190
5.3.2.3 Procedure . 190
5.3.2.4 Test requirement . 191
5.3.3 Spectrum Emission Mask (SEM) . 191
5.3.3.1 General . 191
5.3.3.2 Initial conditions . 191
5.3.3.3 Procedure . 191
5.3.3.4 Test requirement . 192
5.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 192
5.3.4.1 General . 192
5.3.4.2 Initial conditions . 192
5.3.4.2.1 General test conditions . 192
5.3.4.2.2 MSR . 192
5.3.4.2.3 UTRA FDD . 192
5.3.4.2.4 E-UTRA . 192
5.3.4.3 Procedure . 193
5.3.4.3.1 General procedure . 193
5.3.4.3.2 MSR . 193
5.3.4.3.3 UTRA FDD . 193
5.3.4.3.4 E-UTRA . 194
5.3.5 Transmitter spurious emis sions . 194
5.3.2.1 General . 194
5.3.5.2 Initial conditions . 194
5.3.5.3 Procedure . 195
5.3.5.4 Test requirement . 195
5.3.6 Base station output power . 195
5.3.6.1 General . 195
5.3.6.2 Initial conditions . 195
5.3.6.3 Procedure . 196
5.3.6.4 Test requirement . 196
5.3.7 Transmit intermodulation . 196
5.3.7.1 General . 196
5.3.7.2 Initial conditions . 196
5.3.7.3 Procedure . 197
5.3.7.3.1 Procedure for co-location requirement . 197
5.3.7.3.2 Procedure for intra-system requirement . 199
5.3.7.4 Test requirement . 200
5.3.8 Receiver spurious emissions . 200
5.3.8.1 General . 200
5.3.8.2 Initial conditions . 200
5.3.8.3 Procedure . 200
5.3.8.4 Test requirement . 200
5.3.9 Blocking . 200
5.3.9.1 General . 200
5.3.9.2 Initial conditions . 201
5.3.9.3 Procedure . 201
5.3.9.3.1 General procedure . 201
5.3.9.3.2 MSR operation . 201
5.3.9.3.3 Single RAT UTRA FDD operation . 202
5.3.9.3.4 Single RAT E-UTRA operation . 202
5.3.9.4 Test requirement . 202
5.3.10 Receiver intermodulation characteristics . 202
5.3.10.1 General . 202
5.3.10.2 Initial conditions . 203
5.3.10.3 Procedure . 203
5.3.10.3.1 General procedure . 203
5.3.10.3.2 MSR procedure . 203
5.3.10.3.3 Procedure for single RAT UTRA FDD operation . 203
ETSI
7 Draft ETSI EN 301 908-23 V15.0.0 (2022-12)
5.3.10.3.4 Procedure for single RAT E-UTRA operation . 204
5.3.10.4 Test requirement . 204
5.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 204
5.3.11.1 General . 204
5.3.11.2 Initial conditions . 204
5.3.11.3 Procedure . 205
5.3.11.3.1 General procedure . 205
5.3.11.3.2 MSR operation . 205
5.3.11.3.3 Single RAT UTRA FDD operation . 206
5.3.11.3.4 Single RAT E-UTRA operation . 206
5.3.11.4 Test requirement . 207
5.3.12 Reference sensitivity level . 207
5.3.12.1 General . 207
5.3.12.2 Initial conditions . 207
5.3.12.3 Procedure . 207
5.3.12.4 Test requirement . 207
5.3.13 OTA operating band unwanted emissions . 208
5.3.13.1 General . 208
5.3.13.2 Initial conditions . 208
5.3.13.3 Procedure . 208
5.3.13.4 Test requirement . 209
5.3.14 OTA Spectrum Emission Mask (OTA SEM) . 209
5.3.14.1 General .
...

Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 23: Active Antenna System (AAS) Base Station (BS);
Release 15
2 Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)

Reference
DEN/MSG-TFES-13-23
Keywords
3G, 3GPP, 4G, 5G, antenna, base station, cellular,
digital, E-UTRA, IMT, IMT-2000, IMT-Advanced,
LTE, LTE-Advanced, mobile, NR, radio, regulation,
UMTS, UTRA, WCDMA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from:
https://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2023.
All rights reserved.
ETSI
3 Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)
Contents
Intellectual Property Rights . 10
Foreword . 10
Modal verbs terminology . 11
Introduction . 11
1 Scope . 12
2 References . 14
2.1 Normative references . 14
2.2 Informative references . 15
3 Definition of terms, symbols and abbreviations . 17
3.1 Terms . 17
3.2 Symbols . 21
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Requirement set applicability . 24
4.3 Conformance requirements . 25
4.3.1 Introduction. 25
4.3.1.1 General . 25
4.3.1.2 Conducted transmitter requirements . 27
4.3.1.3 Conducted receiver requirements . 28
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 28
4.3.1.5 Radiated transmitter requirements . 29
4.3.1.6 Radiated receiver requirements . 29
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 30
4.3.2 Operating Band Unwanted Emissions (OBUE) . 30
4.3.2.1 Definition and applicability . 30
4.3.2.2 Limits . 31
4.3.2.2.1 Limits for MSR operation . 31
4.3.2.2.2 Limits for single RAT E-UTRA operation . 47
4.3.2.3 Conformance . 62
4.3.3 Spectrum Emission Mask (SEM) . 62
4.3.3.1 Definition and applicability . 62
4.3.3.2 Limits . 62
4.3.3.3 Conformance . 67
4.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 67
4.3.4.1 Definition and applicability . 67
4.3.4.2 Limits . 68
4.3.4.2.1 General . 68
4.3.4.2.2 Absolute limits . 68
4.3.4.2.3 Relative limits for MSR operation . 68
4.3.4.2.4 Relative limits for single RAT UTRA FDD operation . 73
4.3.4.2.5 Relative limits for E-UTRA operation . 74
4.3.4.3 Conformance . 76
4.3.5 Transmitter spurious emis sions . 76
4.3.5.1 Definition and applicability . 76
4.3.5.2 Limits . 77
4.3.5.2.1 General spurious emissions limits . 77
4.3.5.2.2 Limits for protection of the BS receiver . 78
4.3.5.2.3 Limits for co-existence with other systems . 79
4.3.5.2.4 Additional limits . 81
4.3.5.3 Conformance . 82
4.3.6 Base station maximum output power . 82
4.3.6.1 Definition and applicability . 82
4.3.6.2 Limits . 82
ETSI
4 Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)
4.3.6.3 Conformance . 82
4.3.7 Transmit intermodulation . 83
4.3.7.1 Definition and applicability . 83
4.3.7.2 Limits . 83
4.3.7.2.1 Limits for MSR operation . 83
4.3.7.2.2 Limits for Single RAT UTRA operation . 84
4.3.7.2.3 Limits for Single RAT E-UTRA operation . 85
4.3.7.3 Conformance . 86
4.3.8 Receiver spurious emissions . 86
4.3.8.1 Definition and applicability . 86
4.3.8.2 Limits . 87
4.3.8.2.1 General limits . 87
4.3.8.3 Conformance . 87
4.3.9 Blocking . 87
4.3.9.1 Definition and applicability . 87
4.3.9.2 Limits . 87
4.3.9.2.1 Limits for MSR operation . 87
4.3.9.2.2 Limits for single RAT UTRA operation . 88
4.3.9.2.3 Limits for single RAT E-UTRA operation . 91
4.3.9.3 Conformance . 93
4.3.10 Receiver intermodulation . 93
4.3.10.1 Definition and applicability . 93
4.3.10.2 Limits . 94
4.3.10.2.1 Limits for MSR operation . 94
4.3.10.2.2 Limits for single RAT UTRA operation . 97
4.3.10.2.3 Limits for single RAT E-UTRA operation . 97
4.3.10.3 Conformance . 101
4.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 101
4.3.11.1 Definition and applicability . 101
4.3.11.2 Limits . 102
4.3.11.2.1 Limits for MSR operation . 102
4.3.11.2.2 Limits for single RAT UTRA operation . 104
4.3.11.2.3 Limits for single RAT E-UTRA operation . 104
4.3.11.3 Conformance . 106
4.3.12 Reference sensitivity level . 107
4.3.12.1 Definition and applicability . 107
4.3.12.2 Limits . 107
4.3.12.2.1 Limits for UTRA FDD operation . 107
4.3.12.2.2 Limits for E-UTRA operation . 107
4.3.12.2.3 Limits for NR operation . 108
4.3.12.3 Conformance . 109
4.3.13 OTA Operating Band Unwanted Emissions (OTA OBUE) . 109
4.3.13.1 Definition and applicability . 109
4.3.13.2 Limits . 109
4.3.13.2.1 Limits for MSR operation . 109
4.3.13.2.2 Limits for single RAT E-UTRA operation . 125
4.3.13.3 Conformance . 139
4.3.14 OTA Spectrum Emission Mask (OTA SEM) . 140
4.3.14.1 Definition and applicability . 140
4.3.14.2 Limits . 140
4.3.14.3 Conformance . 144
4.3.15 OTA Adjacent Channel Leakage power Ratio (OTA ACLR) . 145
4.3.15.1 Definition and applicability . 145
4.3.15.2 Limits . 145
4.3.15.2.1 General . 145
4.3.15.2.2 Absolute limits . 145
4.3.15.2.3 Relative limits . 146
4.3.15.3 Conformance . 154
4.3.16 OTA transmitter spurious emissions . 154
4.3.16.1 Definition and applicability . 154
4.3.16.2 Limits . 155
4.3.16.2.1 General spurious emissions limits . 155
ETSI
5 Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)
4.3.16.2.2 Limits for protection of the BS receiver . 156
4.3.16.2.3 Limits for co-existence with other systems . 156
4.3.16.2.4 Additional limits . 160
4.3.16.3 Conformance . 160
4.3.17 Radiated transmit power . 160
4.3.17.1 Definition and applicability . 160
4.3.17.2 Limits . 161
4.3.17.3 Conformance . 161
4.3.18 OTA Maximum output power . 161
4.3.18.1 Definition and applicability . 161
4.3.18.2 Limits . 161
4.3.18.3 Conformance . 161
4.3.19 OTA transmitter intermodulation . 161
4.3.19.1 Definition and applicability . 161
4.3.19.2 Limits . 162
4.3.19.2.1 Limits for MSR operation . 162
4.3.19.2.2 Limits for single RAT UTRA operation . 163
4.3.19.2.3 Limits for single RAT E-UTRA operation . 164
4.3.19.3 Conformance . 164
4.3.20 OTA receiver spurious emissions . 164
4.3.20.1 Definition and applicability . 164
4.3.20.2 Limits . 165
4.3.20.3 Conformance . 165
4.3.21 OTA blocking . 165
4.3.21.1 Definition and applicability . 165
4.3.21.2 Limits . 166
4.3.21.2.1 Limits for MSR operation . 166
4.3.21.2.2 Limits for Single RAT UTRA operation . 166
4.3.21.2.3 Limits for single RAT E-UTRA operation . 167
4.3.21.3 Conformance . 168
4.3.22 OTA receiver intermodulation . 169
4.3.22.1 Definition and applicability . 169
4.3.22.2 Limits . 169
4.3.22.2.1 Limits for MSR operation . 169
4.3.22.2.2 Limits for single RAT UTRA operation . 172
4.3.22.2.3 Limits for single RAT E-UTRA operation . 174
4.3.22.3 Conformance . 178
4.3.23 OTA Adjacent Channel Selectivity (OTA ACS), general blocking and narrowband blocking . 178
4.3.23.1 Definition and applicability . 178
4.3.23.2 Limits . 179
4.3.23.2.1 Limits for MSR operation . 179
4.3.23.2.2 Limits for Single RAT UTRA FDD operation . 181
4.3.23.2.3 Limits for single RAT E-UTRA operation . 182
4.3.23.3 Conformance . 184
4.3.24 OTA Sensitivity . 184
4.3.24.1 Definition and applicability . 184
4.3.24.2 Limits . 184
4.3.24.2.1 Limits for UTRA operation . 184
4.3.24.2.2 Limits for E-UTRA operation . 185
4.3.24.2.3 Limits for NR operation . 185
4.3.24.3 Conformance . 185
4.3.25 OTA Reference sensitivity level . 186
4.3.25.1 Definition and applicability . 186
4.3.25.2 Limits . 186
4.3.25.2.1 Limits for UTRA FDD operation . 186
4.3.25.2.2 Limits for E-UTRA operation . 186
4.3.25.2.3 Limits for NR operation . 187
4.3.25.3 Conformance . 188
5 Testing for compliance with technical requirements . 188
5.1 Environmental conditions for testing . 188
5.2 Interpretation of the measurement results . 189
ETSI
6 Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)
5.3 Essential radio test suites . 189
5.3.1 Introduction. 189
5.3.2 Operating band unwanted emissions . 189
5.3.2.1 General . 189
5.3.2.2 Initial conditions . 189
5.3.2.3 Procedure . 189
5.3.2.4 Test requirement . 190
5.3.3 Spectrum Emission Mask (SEM) . 190
5.3.3.1 General . 190
5.3.3.2 Initial conditions . 190
5.3.3.3 Procedure . 191
5.3.3.4 Test requirement . 191
5.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 191
5.3.4.1 General . 191
5.3.4.2 Initial conditions . 191
5.3.4.2.1 General test conditions . 191
5.3.4.2.2 MSR . 192
5.3.4.2.3 UTRA FDD . 192
5.3.4.2.4 E-UTRA . 192
5.3.4.3 Procedure . 192
5.3.4.3.1 General procedure . 192
5.3.4.3.2 MSR . 192
5.3.4.3.3 UTRA FDD . 193
5.3.4.3.4 E-UTRA . 193
5.3.5 Transmitter spurious emis sions . 193
5.3.5.1 General . 193
5.3.5.2 Initial conditions . 194
5.3.5.3 Procedure . 194
5.3.5.4 Test requirement . 195
5.3.6 Base station output power . 195
5.3.6.1 General . 195
5.3.6.2 Initial conditions . 195
5.3.6.3 Procedure . 195
5.3.6.4 Test requirement . 195
5.3.7 Transmit intermodulation . 196
5.3.7.1 General . 196
5.3.7.2 Initial conditions . 196
5.3.7.3 Procedure . 196
5.3.7.3.1 Procedure for co-location requirement . 196
5.3.7.3.2 Procedure for intra-system requirement . 198
5.3.7.4 Test requirement . 199
5.3.8 Receiver spurious emissions . 199
5.3.8.1 General . 199
5.3.8.2 Initial conditions . 199
5.3.8.3 Procedure . 199
5.3.8.4 Test requirement . 199
5.3.9 Blocking . 200
5.3.9.1 General . 200
5.3.9.2 Initial conditions . 200
5.3.9.3 Procedure . 200
5.3.9.3.1 General procedure . 200
5.3.9.3.2 MSR operation . 200
5.3.9.3.3 Single RAT UTRA FDD operation . 201
5.3.9.3.4 Single RAT E-UTRA operation . 201
5.3.9.4 Test requirement . 201
5.3.10 Receiver intermodulation characteristics . 202
5.3.10.1 General . 202
5.3.10.2 Initial conditions . 202
5.3.10.3 Procedure . 202
5.3.10.3.1 General procedure . 202
5.3.10.3.2 MSR procedure . 202
5.3.10.3.3 Procedure for single RAT UTRA FDD operation . 203
ETSI
7 Final draft ETSI EN 301 908-23 V15.0.1 (2023-07)
5.3.10.3.4 Procedure for single RAT E-UTRA operation . 203
5.3.10.4 Test requirement . 203
5.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 203
5.3.11.1 General . 203
5.3.11.2 Initial conditions . 203
5.3.11.3 Procedure . 204
5.3.11.3.1 General procedure . 204
5.3.11.3.2 MSR operation . 204
5.3.11.3.3 Single RAT UTRA FDD operation . 205
5.3.11.3.4 Single RAT E-UTRA operation . 205
5.3.11.4 Test requirement . 206
5.3.12 Reference sensitivity level . 206
5.3.12.1 General . 206
5.3.12.2 Initial conditions . 206
5.3.12.3 Procedure . 206
5.3.12.4 Test requirement . 206
5.3.13 OTA operating band unwanted emissions . 207
5.3.13.1 General . 207
5.3.13.2 Initial conditions . 207
5.3.13.3 Procedure . 207
5.3.13.4 Test requirement . 208
5.3.14 OTA Spectrum Emission Mask (OTA SEM) . 208
5.3.14.1 General .
...

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 23: Active Antenna System (AAS) Base Station (BS);
Release 15
2 ETSI EN 301 908-23 V15.1.1 (2023-09)

Reference
DEN/MSG-TFES-13-23
Keywords
3G, 3GPP, 4G, 5G, antenna, base station, cellular,
digital, E-UTRA, IMT, IMT-2000, IMT-Advanced,
LTE, LTE-Advanced, mobile, NR, radio, regulation,
UMTS, UTRA, WCDMA
ETSI
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ETSI
3 ETSI EN 301 908-23 V15.1.1 (2023-09)
Contents
Intellectual Property Rights . 10
Foreword . 10
Modal verbs terminology . 11
Introduction . 11
1 Scope . 12
2 References . 14
2.1 Normative references . 14
2.2 Informative references . 15
3 Definition of terms, symbols and abbreviations . 17
3.1 Terms . 17
3.2 Symbols . 21
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Requirement set applicability . 24
4.3 Conformance requirements . 25
4.3.1 Introduction. 25
4.3.1.1 General . 25
4.3.1.2 Conducted transmitter requirements . 27
4.3.1.3 Conducted receiver requirements . 28
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 28
4.3.1.5 Radiated transmitter requirements . 29
4.3.1.6 Radiated receiver requirements . 29
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 30
4.3.2 Operating Band Unwanted Emissions (OBUE) . 30
4.3.2.1 Definition and applicability . 30
4.3.2.2 Limits . 31
4.3.2.2.1 Limits for MSR operation . 31
4.3.2.2.2 Limits for single RAT E-UTRA operation . 47
4.3.2.3 Conformance . 62
4.3.3 Spectrum Emission Mask (SEM) . 62
4.3.3.1 Definition and applicability . 62
4.3.3.2 Limits . 62
4.3.3.3 Conformance . 67
4.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 67
4.3.4.1 Definition and applicability . 67
4.3.4.2 Limits . 68
4.3.4.2.1 General . 68
4.3.4.2.2 Absolute limits . 68
4.3.4.2.3 Relative limits for MSR operation . 68
4.3.4.2.4 Relative limits for single RAT UTRA FDD operation . 73
4.3.4.2.5 Relative limits for E-UTRA operation . 74
4.3.4.3 Conformance . 76
4.3.5 Transmitter spurious emis sions . 76
4.3.5.1 Definition and applicability . 76
4.3.5.2 Limits . 77
4.3.5.2.1 General spurious emissions limits . 77
4.3.5.2.2 Limits for protection of the BS receiver . 78
4.3.5.2.3 Limits for co-existence with other systems . 79
4.3.5.2.4 Additional limits . 81
4.3.5.3 Conformance . 82
4.3.6 Base station maximum output power . 82
4.3.6.1 Definition and applicability . 82
4.3.6.2 Limits . 82
ETSI
4 ETSI EN 301 908-23 V15.1.1 (2023-09)
4.3.6.3 Conformance . 82
4.3.7 Transmit intermodulation . 83
4.3.7.1 Definition and applicability . 83
4.3.7.2 Limits . 83
4.3.7.2.1 Limits for MSR operation . 83
4.3.7.2.2 Limits for Single RAT UTRA operation . 84
4.3.7.2.3 Limits for Single RAT E-UTRA operation . 85
4.3.7.3 Conformance . 86
4.3.8 Receiver spurious emissions . 86
4.3.8.1 Definition and applicability . 86
4.3.8.2 Limits . 87
4.3.8.2.1 General limits . 87
4.3.8.3 Conformance . 87
4.3.9 Blocking . 87
4.3.9.1 Definition and applicability . 87
4.3.9.2 Limits . 87
4.3.9.2.1 Limits for MSR operation . 87
4.3.9.2.2 Limits for single RAT UTRA operation . 88
4.3.9.2.3 Limits for single RAT E-UTRA operation . 91
4.3.9.3 Conformance . 94
4.3.10 Receiver intermodulation . 94
4.3.10.1 Definition and applicability . 94
4.3.10.2 Limits . 94
4.3.10.2.1 Limits for MSR operation . 94
4.3.10.2.2 Limits for single RAT UTRA operation . 97
4.3.10.2.3 Limits for single RAT E-UTRA operation . 98
4.3.10.3 Conformance . 101
4.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 101
4.3.11.1 Definition and applicability . 101
4.3.11.2 Limits . 102
4.3.11.2.1 Limits for MSR operation . 102
4.3.11.2.2 Limits for single RAT UTRA operation . 104
4.3.11.2.3 Limits for single RAT E-UTRA operation . 104
4.3.11.3 Conformance . 106
4.3.12 Reference sensitivity level . 107
4.3.12.1 Definition and applicability . 107
4.3.12.2 Limits . 107
4.3.12.2.1 Limits for UTRA FDD operation . 107
4.3.12.2.2 Limits for E-UTRA operation . 107
4.3.12.2.3 Limits for NR operation . 108
4.3.12.3 Conformance . 109
4.3.13 OTA Operating Band Unwanted Emissions (OTA OBUE) . 109
4.3.13.1 Definition and applicability . 109
4.3.13.2 Limits . 109
4.3.13.2.1 Limits for MSR operation . 109
4.3.13.2.2 Limits for single RAT E-UTRA operation . 125
4.3.13.3 Conformance . 139
4.3.14 OTA Spectrum Emission Mask (OTA SEM) . 140
4.3.14.1 Definition and applicability . 140
4.3.14.2 Limits . 140
4.3.14.3 Conformance . 144
4.3.15 OTA Adjacent Channel Leakage power Ratio (OTA ACLR) . 145
4.3.15.1 Definition and applicability . 145
4.3.15.2 Limits . 145
4.3.15.2.1 General . 145
4.3.15.2.2 Absolute limits . 145
4.3.15.2.3 Relative limits . 146
4.3.15.3 Conformance . 154
4.3.16 OTA transmitter spurious emissions . 154
4.3.16.1 Definition and applicability . 154
4.3.16.2 Limits . 155
4.3.16.2.1 General spurious emissions limits . 155
ETSI
5 ETSI EN 301 908-23 V15.1.1 (2023-09)
4.3.16.2.2 Limits for protection of the BS receiver . 156
4.3.16.2.3 Limits for co-existence with other systems . 156
4.3.16.2.4 Additional limits . 160
4.3.16.3 Conformance . 160
4.3.17 Radiated transmit power . 160
4.3.17.1 Definition and applicability . 160
4.3.17.2 Limits . 161
4.3.17.3 Conformance . 161
4.3.18 OTA Maximum output power . 161
4.3.18.1 Definition and applicability . 161
4.3.18.2 Limits . 161
4.3.18.3 Conformance . 161
4.3.19 OTA transmitter intermodulation . 161
4.3.19.1 Definition and applicability . 161
4.3.19.2 Limits . 162
4.3.19.2.1 Limits for MSR operation . 162
4.3.19.2.2 Limits for single RAT UTRA operation . 163
4.3.19.2.3 Limits for single RAT E-UTRA operation . 164
4.3.19.3 Conformance . 164
4.3.20 OTA receiver spurious emissions . 164
4.3.20.1 Definition and applicability . 164
4.3.20.2 Limits . 165
4.3.20.3 Conformance . 165
4.3.21 OTA blocking . 165
4.3.21.1 Definition and applicability . 165
4.3.21.2 Limits . 166
4.3.21.2.1 Limits for MSR operation . 166
4.3.21.2.2 Limits for Single RAT UTRA operation . 166
4.3.21.2.3 Limits for single RAT E-UTRA operation . 167
4.3.21.3 Conformance . 168
4.3.22 OTA receiver intermodulation . 169
4.3.22.1 Definition and applicability . 169
4.3.22.2 Limits . 169
4.3.22.2.1 Limits for MSR operation . 169
4.3.22.2.2 Limits for single RAT UTRA operation . 172
4.3.22.2.3 Limits for single RAT E-UTRA operation . 174
4.3.22.3 Conformance . 178
4.3.23 OTA Adjacent Channel Selectivity (OTA ACS), general blocking and narrowband blocking . 178
4.3.23.1 Definition and applicability . 178
4.3.23.2 Limits . 179
4.3.23.2.1 Limits for MSR operation . 179
4.3.23.2.2 Limits for Single RAT UTRA FDD operation . 181
4.3.23.2.3 Limits for single RAT E-UTRA operation . 182
4.3.23.3 Conformance . 184
4.3.24 OTA Sensitivity . 184
4.3.24.1 Definition and applicability . 184
4.3.24.2 Limits . 184
4.3.24.2.1 Limits for UTRA operation . 184
4.3.24.2.2 Limits for E-UTRA operation . 185
4.3.24.2.3 Limits for NR operation . 185
4.3.24.3 Conformance . 185
4.3.25 OTA Reference sensitivity level . 186
4.3.25.1 Definition and applicability . 186
4.3.25.2 Limits . 186
4.3.25.2.1 Limits for UTRA FDD operation . 186
4.3.25.2.2 Limits for E-UTRA operation . 186
4.3.25.2.3 Limits for NR operation . 187
4.3.25.3 Conformance . 188
5 Testing for compliance with technical requirements . 188
5.1 Environmental conditions for testing . 188
5.2 Interpretation of the measurement results . 189
ETSI
6 ETSI EN 301 908-23 V15.1.1 (2023-09)
5.3 Essential radio test suites . 189
5.3.1 Introduction. 189
5.3.2 Operating band unwanted emissions . 189
5.3.2.1 General . 189
5.3.2.2 Initial conditions . 189
5.3.2.3 Procedure . 189
5.3.2.4 Test requirement . 190
5.3.3 Spectrum Emission Mask (SEM) . 190
5.3.3.1 General . 190
5.3.3.2 Initial conditions . 190
5.3.3.3 Procedure . 191
5.3.3.4 Test requirement . 191
5.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 191
5.3.4.1 General . 191
5.3.4.2 Initial conditions . 191
5.3.4.2.1 General test conditions . 191
5.3.4.2.2 MSR . 192
5.3.4.2.3 UTRA FDD . 192
5.3.4.2.4 E-UTRA . 192
5.3.4.3 Procedure . 192
5.3.4.3.1 General procedure . 192
5.3.4.3.2 MSR . 192
5.3.4.3.3 UTRA FDD . 193
5.3.4.3.4 E-UTRA . 193
5.3.5 Transmitter spurious emis sions . 193
5.3.5.1 General . 193
5.3.5.2 Initial conditions . 194
5.3.5.3 Procedure . 194
5.3.5.4 Test requirement . 195
5.3.6 Base station output power . 195
5.3.6.1 General . 195
5.3.6.2 Initial conditions . 195
5.3.6.3 Procedure . 195
5.3.6.4 Test requirement . 195
5.3.7 Transmit intermodulation . 196
5.3.7.1 General . 196
5.3.7.2 Initial conditions . 196
5.3.7.3 Procedure . 196
5.3.7.3.1 Procedure for co-location requirement . 196
5.3.7.3.2 Procedure for intra-system requirement . 198
5.3.7.4 Test requirement . 199
5.3.8 Receiver spurious emissions . 199
5.3.8.1 General . 199
5.3.8.2 Initial conditions . 199
5.3.8.3 Procedure . 199
5.3.8.4 Test requirement . 199
5.3.9 Blocking . 200
5.3.9.1 General . 200
5.3.9.2 Initial conditions . 200
5.3.9.3 Procedure . 200
5.3.9.3.1 General procedure . 200
5.3.9.3.2 MSR operation . 200
5.3.9.3.3 Single RAT UTRA FDD operation . 201
5.3.9.3.4 Single RAT E-UTRA operation . 201
5.3.9.4 Test requirement . 201
5.3.10 Receiver intermodulation characteristics . 202
5.3.10.1 General . 202
5.3.10.2 Initial conditions . 202
5.3.10.3 Procedure . 202
5.3.10.3.1 General procedure . 202
5.3.10.3.2 MSR procedure . 202
5.3.10.3.3 Procedure for single RAT UTRA FDD operation . 203
ETSI
7 ETSI EN 301 908-23 V15.1.1 (2023-09)
5.3.10.3.4 Procedure for single RAT E-UTRA operation . 203
5.3.10.4 Test requirement . 203
5.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 203
5.3.11.1 General . 203
5.3.11.2 Initial conditions . 203
5.3.11.3 Procedure . 204
5.3.11.3.1 General procedure . 204
5.3.11.3.2 MSR operation . 204
5.3.11.3.3 Single RAT UTRA FDD operation . 205
5.3.11.3.4 Single RAT E-UTRA operation . 205
5.3.11.4 Test requirement . 206
5.3.12 Reference sensitivity level . 206
5.3.12.1 General . 206
5.3.12.2 Initial conditions . 206
5.3.12.3 Procedure . 206
5.3.12.4 Test requirement . 206
5.3.13 OTA operating band unwanted emissions . 207
5.3.13.1 General . 207
5.3.13.2 Initial conditions . 207
5.3.13.3 Procedure . 207
5.3.13.4 Test requirement . 208
5.3.14 OTA Spectrum Emission Mask (OTA SEM) . 208
5.3.14.1 General .
...

SLOVENSKI STANDARD
01-november-2023
Celična omrežja IMT - Harmonizirani standard za dostop do radijskega spektra -
23. del: Aktivni antenski sistem (AAS) bazne postaje (BS), izdaja 15
IMT cellular networks - Harmonised Standard for access to radio spectrum - Part 23:
Active Antenna System (AAS) Base Station (BS) - Release 15
Ta slovenski standard je istoveten z: ETSI EN 301 908-23 V15.1.1 (2023-09)
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.070.99 Druge mobilne storitve Other mobile services
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 23: Active Antenna System (AAS) Base Station (BS);
Release 15
2 ETSI EN 301 908-23 V15.1.1 (2023-09)

Reference
DEN/MSG-TFES-13-23
Keywords
3G, 3GPP, 4G, 5G, antenna, base station, cellular,
digital, E-UTRA, IMT, IMT-2000, IMT-Advanced,
LTE, LTE-Advanced, mobile, NR, radio, regulation,
UMTS, UTRA, WCDMA
ETSI
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All rights reserved.
ETSI
3 ETSI EN 301 908-23 V15.1.1 (2023-09)
Contents
Intellectual Property Rights . 10
Foreword . 10
Modal verbs terminology . 11
Introduction . 11
1 Scope . 12
2 References . 14
2.1 Normative references . 14
2.2 Informative references . 15
3 Definition of terms, symbols and abbreviations . 17
3.1 Terms . 17
3.2 Symbols . 21
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Requirement set applicability . 24
4.3 Conformance requirements . 25
4.3.1 Introduction. 25
4.3.1.1 General . 25
4.3.1.2 Conducted transmitter requirements . 27
4.3.1.3 Conducted receiver requirements . 28
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 28
4.3.1.5 Radiated transmitter requirements . 29
4.3.1.6 Radiated receiver requirements . 29
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 30
4.3.2 Operating Band Unwanted Emissions (OBUE) . 30
4.3.2.1 Definition and applicability . 30
4.3.2.2 Limits . 31
4.3.2.2.1 Limits for MSR operation . 31
4.3.2.2.2 Limits for single RAT E-UTRA operation . 47
4.3.2.3 Conformance . 62
4.3.3 Spectrum Emission Mask (SEM) . 62
4.3.3.1 Definition and applicability . 62
4.3.3.2 Limits . 62
4.3.3.3 Conformance . 67
4.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 67
4.3.4.1 Definition and applicability . 67
4.3.4.2 Limits . 68
4.3.4.2.1 General . 68
4.3.4.2.2 Absolute limits . 68
4.3.4.2.3 Relative limits for MSR operation . 68
4.3.4.2.4 Relative limits for single RAT UTRA FDD operation . 73
4.3.4.2.5 Relative limits for E-UTRA operation . 74
4.3.4.3 Conformance . 76
4.3.5 Transmitter spurious emis sions . 76
4.3.5.1 Definition and applicability . 76
4.3.5.2 Limits . 77
4.3.5.2.1 General spurious emissions limits . 77
4.3.5.2.2 Limits for protection of the BS receiver . 78
4.3.5.2.3 Limits for co-existence with other systems . 79
4.3.5.2.4 Additional limits . 81
4.3.5.3 Conformance . 82
4.3.6 Base station maximum output power . 82
4.3.6.1 Definition and applicability . 82
4.3.6.2 Limits . 82
ETSI
4 ETSI EN 301 908-23 V15.1.1 (2023-09)
4.3.6.3 Conformance . 82
4.3.7 Transmit intermodulation . 83
4.3.7.1 Definition and applicability . 83
4.3.7.2 Limits . 83
4.3.7.2.1 Limits for MSR operation . 83
4.3.7.2.2 Limits for Single RAT UTRA operation . 84
4.3.7.2.3 Limits for Single RAT E-UTRA operation . 85
4.3.7.3 Conformance . 86
4.3.8 Receiver spurious emissions . 86
4.3.8.1 Definition and applicability . 86
4.3.8.2 Limits . 87
4.3.8.2.1 General limits . 87
4.3.8.3 Conformance . 87
4.3.9 Blocking . 87
4.3.9.1 Definition and applicability . 87
4.3.9.2 Limits . 87
4.3.9.2.1 Limits for MSR operation . 87
4.3.9.2.2 Limits for single RAT UTRA operation . 88
4.3.9.2.3 Limits for single RAT E-UTRA operation . 91
4.3.9.3 Conformance . 94
4.3.10 Receiver intermodulation . 94
4.3.10.1 Definition and applicability . 94
4.3.10.2 Limits . 94
4.3.10.2.1 Limits for MSR operation . 94
4.3.10.2.2 Limits for single RAT UTRA operation . 97
4.3.10.2.3 Limits for single RAT E-UTRA operation . 98
4.3.10.3 Conformance . 101
4.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 101
4.3.11.1 Definition and applicability . 101
4.3.11.2 Limits . 102
4.3.11.2.1 Limits for MSR operation . 102
4.3.11.2.2 Limits for single RAT UTRA operation . 104
4.3.11.2.3 Limits for single RAT E-UTRA operation . 104
4.3.11.3 Conformance . 106
4.3.12 Reference sensitivity level . 107
4.3.12.1 Definition and applicability . 107
4.3.12.2 Limits . 107
4.3.12.2.1 Limits for UTRA FDD operation . 107
4.3.12.2.2 Limits for E-UTRA operation . 107
4.3.12.2.3 Limits for NR operation . 108
4.3.12.3 Conformance . 109
4.3.13 OTA Operating Band Unwanted Emissions (OTA OBUE) . 109
4.3.13.1 Definition and applicability . 109
4.3.13.2 Limits . 109
4.3.13.2.1 Limits for MSR operation . 109
4.3.13.2.2 Limits for single RAT E-UTRA operation . 125
4.3.13.3 Conformance . 139
4.3.14 OTA Spectrum Emission Mask (OTA SEM) . 140
4.3.14.1 Definition and applicability . 140
4.3.14.2 Limits . 140
4.3.14.3 Conformance . 144
4.3.15 OTA Adjacent Channel Leakage power Ratio (OTA ACLR) . 145
4.3.15.1 Definition and applicability . 145
4.3.15.2 Limits . 145
4.3.15.2.1 General . 145
4.3.15.2.2 Absolute limits . 145
4.3.15.2.3 Relative limits . 146
4.3.15.3 Conformance . 154
4.3.16 OTA transmitter spurious emissions . 154
4.3.16.1 Definition and applicability . 154
4.3.16.2 Limits . 155
4.3.16.2.1 General spurious emissions limits . 155
ETSI
5 ETSI EN 301 908-23 V15.1.1 (2023-09)
4.3.16.2.2 Limits for protection of the BS receiver . 156
4.3.16.2.3 Limits for co-existence with other systems . 156
4.3.16.2.4 Additional limits . 160
4.3.16.3 Conformance . 160
4.3.17 Radiated transmit power . 160
4.3.17.1 Definition and applicability . 160
4.3.17.2 Limits . 161
4.3.17.3 Conformance . 161
4.3.18 OTA Maximum output power . 161
4.3.18.1 Definition and applicability . 161
4.3.18.2 Limits . 161
4.3.18.3 Conformance . 161
4.3.19 OTA transmitter intermodulation . 161
4.3.19.1 Definition and applicability . 161
4.3.19.2 Limits . 162
4.3.19.2.1 Limits for MSR operation . 162
4.3.19.2.2 Limits for single RAT UTRA operation . 163
4.3.19.2.3 Limits for single RAT E-UTRA operation . 164
4.3.19.3 Conformance . 164
4.3.20 OTA receiver spurious emissions . 164
4.3.20.1 Definition and applicability . 164
4.3.20.2 Limits . 165
4.3.20.3 Conformance . 165
4.3.21 OTA blocking . 165
4.3.21.1 Definition and applicability . 165
4.3.21.2 Limits . 166
4.3.21.2.1 Limits for MSR operation . 166
4.3.21.2.2 Limits for Single RAT UTRA operation . 166
4.3.21.2.3 Limits for single RAT E-UTRA operation . 167
4.3.21.3 Conformance . 168
4.3.22 OTA receiver intermodulation . 169
4.3.22.1 Definition and applicability . 169
4.3.22.2 Limits . 169
4.3.22.2.1 Limits for MSR operation . 169
4.3.22.2.2 Limits for single RAT UTRA operation . 172
4.3.22.2.3 Limits for single RAT E-UTRA operation . 174
4.3.22.3 Conformance . 178
4.3.23 OTA Adjacent Channel Selectivity (OTA ACS), general blocking and narrowband blocking . 178
4.3.23.1 Definition and applicability . 178
4.3.23.2 Limits . 179
4.3.23.2.1 Limits for MSR operation . 179
4.3.23.2.2 Limits for Single RAT UTRA FDD operation . 181
4.3.23.2.3 Limits for single RAT E-UTRA operation . 182
4.3.23.3 Conformance . 184
4.3.24 OTA Sensitivity . 184
4.3.24.1 Definition and applicability . 184
4.3.24.2 Limits . 184
4.3.24.2.1 Limits for UTRA operation . 184
4.3.24.2.2 Limits for E-UTRA operation . 185
4.3.24.2.3 Limits for NR operation . 185
4.3.24.3 Conformance . 185
4.3.25 OTA Reference sensitivity level . 186
4.3.25.1 Definition and applicability . 186
4.3.25.2 Limits . 186
4.3.25.2.1 Limits for UTRA FDD operation . 186
4.3.25.2.2 Limits for E-UTRA operation . 186
4.3.25.2.3 Limits for NR operation . 187
4.3.25.3 Conformance . 188
5 Testing for compliance with technical requirements . 188
5.1 Environmental conditions for testing . 188
5.2 Interpretation of the measurement results . 189
ETSI
6 ETSI EN 301 908-23 V15.1.1 (2023-09)
5.3 Essential radio test suites . 189
5.3.1 Introduction. 189
5.3.2 Operating band unwanted emissions . 189
5.3.2.1 General . 189
5.3.2.2 Initial conditions . 189
5.3.2.3 Procedure . 189
5.3.2.4 Test requirement . 190
5.3.3 Spectrum Emission Mask (SEM) . 190
5.3.3.1 General . 190
5.3.3.2 Initial conditions . 190
5.3.3.3 Procedure . 191
5.3.3.4 Test requirement . 191
5.3.4 Adjacent Channel Leakage power Ratio (ACLR) . 191
5.3.4.1 General . 191
5.3.4.2 Initial conditions . 191
5.3.4.2.1 General test conditions . 191
5.3.4.2.2 MSR . 192
5.3.4.2.3 UTRA FDD . 192
5.3.4.2.4 E-UTRA . 192
5.3.4.3 Procedure . 192
5.3.4.3.1 General procedure . 192
5.3.4.3.2 MSR . 192
5.3.4.3.3 UTRA FDD . 193
5.3.4.3.4 E-UTRA . 193
5.3.5 Transmitter spurious emis sions . 193
5.3.5.1 General . 193
5.3.5.2 Initial conditions . 194
5.3.5.3 Procedure . 194
5.3.5.4 Test requirement . 195
5.3.6 Base station output power . 195
5.3.6.1 General . 195
5.3.6.2 Initial conditions . 195
5.3.6.3 Procedure . 195
5.3.6.4 Test requirement . 195
5.3.7 Transmit intermodulation . 196
5.3.7.1 General . 196
5.3.7.2 Initial conditions . 196
5.3.7.3 Procedure . 196
5.3.7.3.1 Procedure for co-location requirement . 196
5.3.7.3.2 Procedure for intra-system requirement . 198
5.3.7.4 Test requirement . 199
5.3.8 Receiver spurious emissions . 199
5.3.8.1 General . 199
5.3.8.2 Initial conditions . 199
5.3.8.3 Procedure . 199
5.3.8.4 Test requirement . 199
5.3.9 Blocking . 200
5.3.9.1 General . 200
5.3.9.2 Initial conditions . 200
5.3.9.3 Procedure . 200
5.3.9.3.1 General procedure . 200
5.3.9.3.2 MSR operation . 200
5.3.9.3.3 Single RAT UTRA FDD operation . 201
5.3.9.3.4 Single RAT E-UTRA operation . 201
5.3.9.4 Test requirement . 201
5.3.10 Receiver intermodulation characteristics . 202
5.3.10.1 General . 202
5.3.10.2 Initial conditions . 202
5.3.10.3 Procedure . 202
5.3.10.3.1 General procedure . 202
5.3.10.3.2 MSR procedure . 202
5.3.10.3.3 Procedure for single RAT UTRA FDD operation . 203
ETSI
7 ETSI EN 301 908-23 V15.1.1 (2023-09)
5.3.10.3.4 Procedure for single RAT E-UTRA operation . 203
5.3.10.4 Test requirement . 203
5.3.11 Adjacent Channel Selectivity (ACS), general blocking and narrowband blocking . 203
5.3.11.1 General . 203
5.3.11.2 Initial conditions . 203
5.3.11.3 Procedure . 204
5.3.11.3.1 General procedure . 204
5.3.11.3.2 MSR operation . 204
5.3.11.3.3 Single RAT UTRA FDD operation . 205
5.3.11.3.4 Single RAT E-UTRA operation . 205
5.3.11.4 Test requirement . 206
5.3.12 Reference sensitivity level . 206
5.3.12.1 General . 206
5.3.12.2 Initial conditions . 206
5.3.12.3 Procedure . 206
5.3.12.4 Test requirement .
...