ETSI EN 301 908-24 V15.1.1 (2023-09)

Final draft ETSI EN 301 908-24 V15.0.1 (2023-07)

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 24: New Radio (NR) Base Stations (BS)
Release 15
2 Final draft ETSI EN 301 908-24 V15.0.1 (2023-07)

Reference
DEN/MSG-TFES-15-24
Keywords
3GPP, 5G, base station, cellular, digital, IMT,
IMT-2000, IMT-2020, IMT-Advanced, NR, radio,
regulation
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

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 301 908-24 V15.0.1 (2023-07)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 10
Introduction . 10
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 13
3 Definition of terms, symbols and abbreviations . 15
3.1 Terms . 15
3.2 Symbols . 19
3.3 Abbreviations . 20
4 Technical requirements specifications . 21
4.1 Environmental profile . 21
4.2 Requirement set applicability . 22
4.3 Conformance requirements . 22
4.3.1 Introduction. 22
4.3.1.1 General . 22
4.3.1.2 Conducted transmitter requirements . 24
4.3.1.3 Conducted receiver requirements . 24
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 25
4.3.1.5 Radiated transmitter requirements . 26
4.3.1.6 Radiated receiver requirements . 26
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 27
4.3.1.8 Additional BS conformance to other standards . 27
4.3.2 Operating band unwanted emissions . 29
4.3.2.1 Definition and applicability . 29
4.3.2.2 Limits . 29
4.3.2.2.1 General . 29
4.3.2.2.2 Wide Area BS . 31
4.3.2.2.3 Medium Range BS . 33
4.3.2.2.4 Local Area BS . 35
4.3.2.2.5 Additional limits . 35
4.3.2.3 Conformance . 37
4.3.3 Adjacent Channel Leakage power Ratio (ACLR) . 37
4.3.3.1 Definition and applicability . 37
4.3.3.2 Limits . 37
4.3.3.2.1 General . 37
4.3.3.2.2 Absolute limits . 37
4.3.3.2.3 Relative Limits . 38
4.3.3.3 Conformance . 39
4.3.4 Transmitter spurious emis sions . 40
4.3.4.1 Definition and applicability . 40
4.3.4.2 Limits . 40
4.3.4.2.1 General spurious emissions limits . 40
4.3.4.2.2 Limits for protection of the BS receiver . 41
4.3.4.2.3 Limits for co-existence with other systems . 41
4.3.4.2.4 Additional limits . 43
4.3.4.3 Conformance . 43
4.3.5 Base Station output power . 44
4.3.5.1 Definition and applicability . 44
4.3.5.2 Limits . 44
4.3.5.3 Conformance . 44
4.3.6 Transmit intermodulation . 44
ETSI
4 Final draft ETSI EN 301 908-24 V15.0.1 (2023-07)
4.3.6.1 Definition and applicability . 44
4.3.6.2 Limits . 45
4.3.6.2.1 BS type 1-C: Co-location limits . 45
4.3.6.2.2 BS type 1-H: Co-location limits . 45
4.3.6.2.3 BS type 1-H: Intra-system requirement . 46
4.3.6.3 Conformance . 46
4.3.7 Receiver spurious emissions . 46
4.3.7.1 Definition and applicability . 46
4.3.7.2 Limits . 47
4.3.7.3 Conformance . 47
4.3.8 In-band blocking . 47
4.3.8.1 Definition and applicability . 47
4.3.8.2 Limits . 47
4.3.8.3 Conformance . 49
4.3.9 Out-of-band blocking . 49
4.3.9.1 Definition and applicability . 49
4.3.9.2 Limits . 50
4.3.9.3 Conformance . 50
4.3.10 Receiver intermodulation . 50
4.3.10.1 Definition and applicability . 50
4.3.10.2 Limits . 50
4.3.10.3 Conformance . 53
4.3.11 Adjacent Channel Selectivity (ACS) . 53
4.3.11.1 Definition and applicability . 53
4.3.11.2 Limits . 53
4.3.11.3 Conformance . 54
4.3.12 Reference sensitivity level . 54
4.3.12.1 Definition and applicability . 54
4.3.12.2 Limits . 54
4.3.12.3 Conformance . 55
4.3.13 OTA operating band unwanted emissions . 55
4.3.13.1 Definition and applicability . 55
4.3.13.2 Limits for BS type 1-O . 56
4.3.13.2.1 General . 56
4.3.13.2.2 Wide Area BS . 57
4.3.13.2.3 Medium Range BS . 59
4.3.13.2.4 Local Area BS . 61
4.3.13.2.5 Additional limits . 61
4.3.13.3 Limits for BS type 2-O . 62
4.3.13.4 Conformance . 63
4.3.14 OTA Adjacent Channel Leakage power Ratio (ACLR) . 63
4.3.14.1 Definition and applicability . 63
4.3.14.2 Limits . 63
4.3.14.2.1 General . 63
4.3.14.2.2 Absolute limits . 64
4.3.14.2.3 Relative Limits . 64
4.3.14.3 Conformance . 67
4.3.15 OTA transmitter spurious emissions . 67
4.3.15.1 Definition and applicability . 67
4.3.15.2 Limits . 68
4.3.15.2.1 General spurious emission limits for BS type 1-O . 68
4.3.15.2.2 General spurious emission limits for BS type 2-O . 68
4.3.15.2.3 Limits for protection of BS receiver for BS type 1-O . 69
4.3.15.2.4 Limits for co-existence with systems operating in other frequency bands for BS type 1-O . 69
4.3.15.2.5 Additional limits . 71
4.3.15.3 Conformance . 72
4.3.16 Radiated transmit power . 72
4.3.16.1 Definition and applicability . 72
4.3.16.2 Limits . 72
4.3.16.3 Conformance . 73
4.3.17 OTA Base Station output power . 73
4.3.17.1 Definition and applicability . 73
ETSI
5 Final draft ETSI EN 301 908-24 V15.0.1 (2023-07)
4.3.17.2 Limits . 73
4.3.17.3 Conformance . 73
4.3.18 OTA transmitter intermodulation . 73
4.3.18.1 Definition and applicability . 73
4.3.18.2 Limits . 74
4.3.18.2.1 BS type 1-O . 74
4.3.18.3 Conformance . 74
4.3.19 OTA receiver spurious emissions . 74
4.3.19.1 Definition and applicability . 74
4.3.19.2 Limits . 75
4.3.19.2.1 BS type 1-O . 75
4.3.19.2.2 BS type 2-O . 75
4.3.19.3 Conformance . 76
4.3.20 OTA In-band blocking . 76
4.3.20.1 Definition and applicability . 76
4.3.20.2 Limits . 77
4.3.20.2.1 BS type 1-O . 77
4.3.20.2.2 BS type 2-O . 79
4.3.20.3 Conformance . 80
4.3.21 OTA Out-of-band blocking . 80
4.3.21.1 Definition and applicability . 80
4.3.21.2 Limits . 81
4.3.21.2.1 BS type 1-O General blocking . 81
4.3.21.2.2 BS type 2-O general blocking . 81
4.3.21.3 Conformance . 81
4.3.22 OTA Receiver intermodulation. 82
4.3.22.1 Definition and applicability . 82
4.3.22.2 Limits . 82
4.3.22.2.1 BS type 1-O . 82
4.3.22.2.2 BS type 2-O . 85
4.3.22.3 Conformance . 85
4.3.23 OTA Adjacent Channel Selectivity (ACS) . 86
4.3.23.1 Definition and applicability . 86
4.3.23.2 Limits . 86
4.3.23.2.1 BS type 1-O . 86
4.3.23.2.2 BS type 2-O . 87
4.3.23.3 Conformance . 87
4.3.24 OTA Sensitivity . 88
4.3.24.1 Definition and applicability . 88
4.3.24.2 Limits . 88
4.3.24.3 Conformance . 88
4.3.25 OTA Reference sensitivity . 88
4.3.25.1 Definition and applicability . 88
4.3.25.2 Limits . 89
4.3.25.2.1 BS type 1-O . 89
4.3.25.2.2 BS type 2-O . 90
4.3.25.3 Conformance . 91
5 Testing for compliance with technical requirements . 91
5.1 Environmental conditions for testing . 91
5.2 Interpretation of measurement results . 91
5.3 Essential radio test suites . 91
5.3.1 Introduction. 91
5.3.2 Operating band unwanted emissions . 91
5.3.2.1 General . 91
5.3.2.2 Initial conditions . 92
5.3.2.3 Procedure . 92
5.3.2.4 Test Requirement . 92
5.3.3 Adjacent Channel Leakage power Ratio (ACLR) . 92
5.3.3.1 General . 92
5.3.3.2 Initial conditions . 93
5.3.3.3 Procedure . 93
ETSI
6 Final draft ETSI EN 301 908-24 V15.0.1 (2023-07)
5.3.3.4 Test requirement . 93
5.3.4 Transmitter spurious emis sions . 94
5.3.4.1 General . 94
5.3.4.2 Initial conditions . 94
5.3.4.3 Procedure . 94
5.3.4.4 Test Requirement . 94
5.3.5 Base Station output power . 95
5.3.5.1 General . 95
5.3.5.2 Initial conditions . 95
5.3.5.3 Procedure . 95
5.3.5.4 Test Requirement . 95
5.3.6 Transmit intermodulation . 96
5.3.6.1 General . 96
5.3.6.2 Initial conditions . 96
5.3.6.3 Procedure . 96
5.3.6.3.1 Procedure for co-location requirement . 96
5.3.6.3.2 Procedure for intra-system requirement . 97
5.3.6.4 Test Requirement . 98
5.3.7 Receiver spurious emissions . 98
5.3.7.1 General . 98
5.3.7.2 Initial conditions . 98
5.3.7.3 Procedure . 98
5.3.7.4 Test Requirement . 99
5.3.8 In-band blocking . 99
5.3.8.1 General . 99
5.3.8.2 Initial conditions . 99
5.3.8.3 Procedure . 99
5.3.8.3.1 Procedure for general blocking . 99
5.3.8.3.2 Procedure for narrowband blocking . 100
5.3.8.4 Requirement . 100
5.3.9 Out-of-band blocking . 100
5.3.9.1 General . 100
5.3.9.2 Initial conditions . 100
5.3.9.3 Procedure . 101
5.3.9.4 Test Requirement . 101
5.3.10 Receiver intermodulation . 101
5.3.10.1 General . 101
5.3.10.2 Initial conditions . 101
5.3.10.3 Procedure . 102
5.3.10.4 Test Requirement . 102
5.3.11 Adjacent Channel Selectivity (ACS) . 102
5.3.11.1 General . 102
5.3.11.2 Initial conditions . 102
5.3.11.3 Procedure . 103
5.3.11.4 Test Requirement . 103
5.3.12 Reference sensitivity level . 103
5.3.12.1 General . 103
5.3.12.2 Initial conditions . 103
5.3.12.3 Procedure . 104
5.3.12.4 Test Requirement . 104
5.3.13 OTA operating band unwanted emissions . 104
5.3.13.1 General . 104
5.3.13.2 Initial conditions . 104
5.3.13.3 Procedure . 105
5.3.13.4 Test Requirement . 105
5.3.14 OTA Adjacent Channel Leakage power Ratio (ACLR) . 105
5.3.14.1 General . 105
5.3.14.2 Initial conditions . 105
5.3.14.3 Procedure . 106
5.3.14.4 Test Requirement . 107
5.3.15 OTA transmitter spurious emissions . 107
5.3.15.1 General spurious emissions . 107
ETSI
7 Final draft ETSI EN 301 908-24 V15.0.1 (2023-07)
5.3.15.1.1 General . 107
5.3.15.1.2 Initial conditions . 107
5.3.15.1.3 Procedure . 108
5.3.15.1.4 Test Requirement. 109
5.3.15.2 Protection of BS receiver . 109
5.3.15.2.1 General . 109
5.3.15.2.2 Initial conditions . 109
5.3.15.2.3 Procedure . 109
5.3.15.2.4 Test Requirement. 110
5.3.15.3 Co-existence with other systems . 110
5.3.15.3.1 General . 110
5.3.15.3.2 Initial conditions . 110
5.3.15.3.3 Procedure . 111
5.3.15.3.4 Test Requirement. 111
5.3.16 Radiated transmit power . 111
5.3.16.1 General . 111
5.3.16.2 Initial conditions . 111
5.3.16.3 Procedure .
...

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 24: New Radio (NR) Base Stations (BS)
Release 15
2 ETSI EN 301 908-24 V15.1.1 (2023-09)

Reference
DEN/MSG-TFES-15-24
Keywords
3GPP, 5G, base station, cellular, digital, IMT,
IMT-2000, IMT-2020, IMT-Advanced, NR, radio,
regulation
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

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 ETSI EN 301 908-24 V15.1.1 (2023-09)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 10
Introduction . 10
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 13
3 Definition of terms, symbols and abbreviations . 15
3.1 Terms . 15
3.2 Symbols . 19
3.3 Abbreviations . 20
4 Technical requirements specifications . 21
4.1 Environmental profile . 21
4.2 Requirement set applicability . 22
4.3 Conformance requirements . 22
4.3.1 Introduction. 22
4.3.1.1 General . 22
4.3.1.2 Conducted transmitter requirements . 24
4.3.1.3 Conducted receiver requirements . 24
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 25
4.3.1.5 Radiated transmitter requirements . 26
4.3.1.6 Radiated receiver requirements . 26
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 27
4.3.1.8 Additional BS conformance to other standards . 27
4.3.2 Operating band unwanted emissions . 29
4.3.2.1 Definition and applicability . 29
4.3.2.2 Limits . 29
4.3.2.2.1 General . 29
4.3.2.2.2 Wide Area BS . 31
4.3.2.2.3 Medium Range BS . 33
4.3.2.2.4 Local Area BS . 35
4.3.2.2.5 Additional limits . 35
4.3.2.3 Conformance . 37
4.3.3 Adjacent Channel Leakage power Ratio (ACLR) . 37
4.3.3.1 Definition and applicability . 37
4.3.3.2 Limits . 37
4.3.3.2.1 General . 37
4.3.3.2.2 Absolute limits . 37
4.3.3.2.3 Relative Limits . 38
4.3.3.3 Conformance . 39
4.3.4 Transmitter spurious emis sions . 40
4.3.4.1 Definition and applicability . 40
4.3.4.2 Limits . 40
4.3.4.2.1 General spurious emissions limits . 40
4.3.4.2.2 Limits for protection of the BS receiver . 41
4.3.4.2.3 Limits for co-existence with other systems . 41
4.3.4.2.4 Additional limits . 43
4.3.4.3 Conformance . 43
4.3.5 Base Station output power . 44
4.3.5.1 Definition and applicability . 44
4.3.5.2 Limits . 44
4.3.5.3 Conformance . 44
4.3.6 Transmit intermodulation . 44
ETSI
4 ETSI EN 301 908-24 V15.1.1 (2023-09)
4.3.6.1 Definition and applicability . 44
4.3.6.2 Limits . 45
4.3.6.2.1 BS type 1-C: Co-location limits . 45
4.3.6.2.2 BS type 1-H: Co-location limits . 45
4.3.6.2.3 BS type 1-H: Intra-system requirement . 46
4.3.6.3 Conformance . 46
4.3.7 Receiver spurious emissions . 46
4.3.7.1 Definition and applicability . 46
4.3.7.2 Limits . 47
4.3.7.3 Conformance . 47
4.3.8 In-band blocking . 47
4.3.8.1 Definition and applicability . 47
4.3.8.2 Limits . 47
4.3.8.3 Conformance . 49
4.3.9 Out-of-band blocking . 49
4.3.9.1 Definition and applicability . 49
4.3.9.2 Limits . 50
4.3.9.3 Conformance . 50
4.3.10 Receiver intermodulation . 50
4.3.10.1 Definition and applicability . 50
4.3.10.2 Limits . 50
4.3.10.3 Conformance . 53
4.3.11 Adjacent Channel Selectivity (ACS) . 53
4.3.11.1 Definition and applicability . 53
4.3.11.2 Limits . 53
4.3.11.3 Conformance . 54
4.3.12 Reference sensitivity level . 54
4.3.12.1 Definition and applicability . 54
4.3.12.2 Limits . 54
4.3.12.3 Conformance . 55
4.3.13 OTA operating band unwanted emissions . 55
4.3.13.1 Definition and applicability . 55
4.3.13.2 Limits for BS type 1-O . 56
4.3.13.2.1 General . 56
4.3.13.2.2 Wide Area BS . 57
4.3.13.2.3 Medium Range BS . 59
4.3.13.2.4 Local Area BS . 61
4.3.13.2.5 Additional limits . 61
4.3.13.3 Limits for BS type 2-O . 62
4.3.13.4 Conformance . 63
4.3.14 OTA Adjacent Channel Leakage power Ratio (ACLR) . 63
4.3.14.1 Definition and applicability . 63
4.3.14.2 Limits . 63
4.3.14.2.1 General . 63
4.3.14.2.2 Absolute limits . 64
4.3.14.2.3 Relative Limits . 64
4.3.14.3 Conformance . 67
4.3.15 OTA transmitter spurious emissions . 67
4.3.15.1 Definition and applicability . 67
4.3.15.2 Limits . 68
4.3.15.2.1 General spurious emission limits for BS type 1-O . 68
4.3.15.2.2 General spurious emission limits for BS type 2-O . 68
4.3.15.2.3 Limits for protection of BS receiver for BS type 1-O . 69
4.3.15.2.4 Limits for co-existence with systems operating in other frequency bands for BS type 1-O . 69
4.3.15.2.5 Additional limits . 71
4.3.15.3 Conformance . 72
4.3.16 Radiated transmit power . 72
4.3.16.1 Definition and applicability . 72
4.3.16.2 Limits . 72
4.3.16.3 Conformance . 73
4.3.17 OTA Base Station output power . 73
4.3.17.1 Definition and applicability . 73
ETSI
5 ETSI EN 301 908-24 V15.1.1 (2023-09)
4.3.17.2 Limits . 73
4.3.17.3 Conformance . 73
4.3.18 OTA transmitter intermodulation . 73
4.3.18.1 Definition and applicability . 73
4.3.18.2 Limits . 74
4.3.18.2.1 BS type 1-O . 74
4.3.18.3 Conformance . 74
4.3.19 OTA receiver spurious emissions . 74
4.3.19.1 Definition and applicability . 74
4.3.19.2 Limits . 75
4.3.19.2.1 BS type 1-O . 75
4.3.19.2.2 BS type 2-O . 75
4.3.19.3 Conformance . 76
4.3.20 OTA In-band blocking . 76
4.3.20.1 Definition and applicability . 76
4.3.20.2 Limits . 77
4.3.20.2.1 BS type 1-O . 77
4.3.20.2.2 BS type 2-O . 79
4.3.20.3 Conformance . 80
4.3.21 OTA Out-of-band blocking . 80
4.3.21.1 Definition and applicability . 80
4.3.21.2 Limits . 81
4.3.21.2.1 BS type 1-O General blocking . 81
4.3.21.2.2 BS type 2-O general blocking . 81
4.3.21.3 Conformance . 81
4.3.22 OTA Receiver intermodulation. 82
4.3.22.1 Definition and applicability . 82
4.3.22.2 Limits . 82
4.3.22.2.1 BS type 1-O . 82
4.3.22.2.2 BS type 2-O . 85
4.3.22.3 Conformance . 85
4.3.23 OTA Adjacent Channel Selectivity (ACS) . 86
4.3.23.1 Definition and applicability . 86
4.3.23.2 Limits . 86
4.3.23.2.1 BS type 1-O . 86
4.3.23.2.2 BS type 2-O . 87
4.3.23.3 Conformance . 87
4.3.24 OTA Sensitivity . 88
4.3.24.1 Definition and applicability . 88
4.3.24.2 Limits . 88
4.3.24.3 Conformance . 88
4.3.25 OTA Reference sensitivity . 88
4.3.25.1 Definition and applicability . 88
4.3.25.2 Limits . 89
4.3.25.2.1 BS type 1-O . 89
4.3.25.2.2 BS type 2-O . 90
4.3.25.3 Conformance . 91
5 Testing for compliance with technical requirements . 91
5.1 Environmental conditions for testing . 91
5.2 Interpretation of measurement results . 91
5.3 Essential radio test suites . 91
5.3.1 Introduction. 91
5.3.2 Operating band unwanted emissions . 91
5.3.2.1 General . 91
5.3.2.2 Initial conditions . 92
5.3.2.3 Procedure . 92
5.3.2.4 Test Requirement . 92
5.3.3 Adjacent Channel Leakage power Ratio (ACLR) . 92
5.3.3.1 General . 92
5.3.3.2 Initial conditions . 93
5.3.3.3 Procedure . 93
ETSI
6 ETSI EN 301 908-24 V15.1.1 (2023-09)
5.3.3.4 Test requirement . 93
5.3.4 Transmitter spurious emis sions . 94
5.3.4.1 General . 94
5.3.4.2 Initial conditions . 94
5.3.4.3 Procedure . 94
5.3.4.4 Test Requirement . 94
5.3.5 Base Station output power . 95
5.3.5.1 General . 95
5.3.5.2 Initial conditions . 95
5.3.5.3 Procedure . 95
5.3.5.4 Test Requirement . 95
5.3.6 Transmit intermodulation . 96
5.3.6.1 General . 96
5.3.6.2 Initial conditions . 96
5.3.6.3 Procedure . 96
5.3.6.3.1 Procedure for co-location requirement . 96
5.3.6.3.2 Procedure for intra-system requirement . 97
5.3.6.4 Test Requirement . 98
5.3.7 Receiver spurious emissions . 98
5.3.7.1 General . 98
5.3.7.2 Initial conditions . 98
5.3.7.3 Procedure . 98
5.3.7.4 Test Requirement . 99
5.3.8 In-band blocking . 99
5.3.8.1 General . 99
5.3.8.2 Initial conditions . 99
5.3.8.3 Procedure . 99
5.3.8.3.1 Procedure for general blocking . 99
5.3.8.3.2 Procedure for narrowband blocking . 100
5.3.8.4 Requirement . 100
5.3.9 Out-of-band blocking . 100
5.3.9.1 General . 100
5.3.9.2 Initial conditions . 100
5.3.9.3 Procedure . 101
5.3.9.4 Test Requirement . 101
5.3.10 Receiver intermodulation . 101
5.3.10.1 General . 101
5.3.10.2 Initial conditions . 101
5.3.10.3 Procedure . 102
5.3.10.4 Test Requirement . 102
5.3.11 Adjacent Channel Selectivity (ACS) . 102
5.3.11.1 General . 102
5.3.11.2 Initial conditions . 102
5.3.11.3 Procedure . 103
5.3.11.4 Test Requirement . 103
5.3.12 Reference sensitivity level . 103
5.3.12.1 General . 103
5.3.12.2 Initial conditions . 103
5.3.12.3 Procedure . 104
5.3.12.4 Test Requirement . 104
5.3.13 OTA operating band unwanted emissions . 104
5.3.13.1 General . 104
5.3.13.2 Initial conditions . 104
5.3.13.3 Procedure . 105
5.3.13.4 Test Requirement . 105
5.3.14 OTA Adjacent Channel Leakage power Ratio (ACLR) . 105
5.3.14.1 General . 105
5.3.14.2 Initial conditions . 105
5.3.14.3 Procedure . 106
5.3.14.4 Test Requirement . 107
5.3.15 OTA transmitter spurious emissions . 107
5.3.15.1 General spurious emissions . 107
ETSI
7 ETSI EN 301 908-24 V15.1.1 (2023-09)
5.3.15.1.1 General . 107
5.3.15.1.2 Initial conditions . 107
5.3.15.1.3 Procedure . 108
5.3.15.1.4 Test Requirement. 109
5.3.15.2 Protection of BS receiver . 109
5.3.15.2.1 General . 109
5.3.15.2.2 Initial conditions . 109
5.3.15.2.3 Procedure . 109
5.3.15.2.4 Test Requirement. 110
5.3.15.3 Co-existence with other systems . 110
5.3.15.3.1 General . 110
5.3.15.3.2 Initial conditions . 110
5.3.15.3.3 Procedure . 111
5.3.15.3.4 Test Requirement. 111
5.3.16 Radiated transmit power . 111
5.3.16.1 General . 111
5.3.16.2 Initial conditions . 111
5.3.16.3 Procedure . 112
5.3.16.4 Test Requirement .
...

SLOVENSKI STANDARD
01-november-2023
Celična omrežja IMT - Harmonizirani standard za dostop do radijskega spektra -
24. del: Nove radijske (NR) bazne postaje (BS), izdaja 15
IMT cellular networks - Harmonised Standard for access to radio spectrum - Part 24:
New Radio (NR) Base Stations (BS) Release 15
Ta slovenski standard je istoveten z: ETSI EN 301 908-24 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 24: New Radio (NR) Base Stations (BS)
Release 15
2 ETSI EN 301 908-24 V15.1.1 (2023-09)

Reference
DEN/MSG-TFES-15-24
Keywords
3GPP, 5G, base station, cellular, digital, IMT,
IMT-2000, IMT-2020, IMT-Advanced, NR, radio,
regulation
ETSI
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Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

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All rights reserved.
ETSI
3 ETSI EN 301 908-24 V15.1.1 (2023-09)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 10
Introduction . 10
1 Scope . 11
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 13
3 Definition of terms, symbols and abbreviations . 15
3.1 Terms . 15
3.2 Symbols . 19
3.3 Abbreviations . 20
4 Technical requirements specifications . 21
4.1 Environmental profile . 21
4.2 Requirement set applicability . 22
4.3 Conformance requirements . 22
4.3.1 Introduction. 22
4.3.1.1 General . 22
4.3.1.2 Conducted transmitter requirements . 24
4.3.1.3 Conducted receiver requirements . 24
4.3.1.4 Conducted requirements for BS capable of multi-band operation . 25
4.3.1.5 Radiated transmitter requirements . 26
4.3.1.6 Radiated receiver requirements . 26
4.3.1.7 Radiated requirements for BS capable of multi-band operation . 27
4.3.1.8 Additional BS conformance to other standards . 27
4.3.2 Operating band unwanted emissions . 29
4.3.2.1 Definition and applicability . 29
4.3.2.2 Limits . 29
4.3.2.2.1 General . 29
4.3.2.2.2 Wide Area BS . 31
4.3.2.2.3 Medium Range BS . 33
4.3.2.2.4 Local Area BS . 35
4.3.2.2.5 Additional limits . 35
4.3.2.3 Conformance . 37
4.3.3 Adjacent Channel Leakage power Ratio (ACLR) . 37
4.3.3.1 Definition and applicability . 37
4.3.3.2 Limits . 37
4.3.3.2.1 General . 37
4.3.3.2.2 Absolute limits . 37
4.3.3.2.3 Relative Limits . 38
4.3.3.3 Conformance . 39
4.3.4 Transmitter spurious emis sions . 40
4.3.4.1 Definition and applicability . 40
4.3.4.2 Limits . 40
4.3.4.2.1 General spurious emissions limits . 40
4.3.4.2.2 Limits for protection of the BS receiver . 41
4.3.4.2.3 Limits for co-existence with other systems . 41
4.3.4.2.4 Additional limits . 43
4.3.4.3 Conformance . 43
4.3.5 Base Station output power . 44
4.3.5.1 Definition and applicability . 44
4.3.5.2 Limits . 44
4.3.5.3 Conformance . 44
4.3.6 Transmit intermodulation . 44
ETSI
4 ETSI EN 301 908-24 V15.1.1 (2023-09)
4.3.6.1 Definition and applicability . 44
4.3.6.2 Limits . 45
4.3.6.2.1 BS type 1-C: Co-location limits . 45
4.3.6.2.2 BS type 1-H: Co-location limits . 45
4.3.6.2.3 BS type 1-H: Intra-system requirement . 46
4.3.6.3 Conformance . 46
4.3.7 Receiver spurious emissions . 46
4.3.7.1 Definition and applicability . 46
4.3.7.2 Limits . 47
4.3.7.3 Conformance . 47
4.3.8 In-band blocking . 47
4.3.8.1 Definition and applicability . 47
4.3.8.2 Limits . 47
4.3.8.3 Conformance . 49
4.3.9 Out-of-band blocking . 49
4.3.9.1 Definition and applicability . 49
4.3.9.2 Limits . 50
4.3.9.3 Conformance . 50
4.3.10 Receiver intermodulation . 50
4.3.10.1 Definition and applicability . 50
4.3.10.2 Limits . 50
4.3.10.3 Conformance . 53
4.3.11 Adjacent Channel Selectivity (ACS) . 53
4.3.11.1 Definition and applicability . 53
4.3.11.2 Limits . 53
4.3.11.3 Conformance . 54
4.3.12 Reference sensitivity level . 54
4.3.12.1 Definition and applicability . 54
4.3.12.2 Limits . 54
4.3.12.3 Conformance . 55
4.3.13 OTA operating band unwanted emissions . 55
4.3.13.1 Definition and applicability . 55
4.3.13.2 Limits for BS type 1-O . 56
4.3.13.2.1 General . 56
4.3.13.2.2 Wide Area BS . 57
4.3.13.2.3 Medium Range BS . 59
4.3.13.2.4 Local Area BS . 61
4.3.13.2.5 Additional limits . 61
4.3.13.3 Limits for BS type 2-O . 62
4.3.13.4 Conformance . 63
4.3.14 OTA Adjacent Channel Leakage power Ratio (ACLR) . 63
4.3.14.1 Definition and applicability . 63
4.3.14.2 Limits . 63
4.3.14.2.1 General . 63
4.3.14.2.2 Absolute limits . 64
4.3.14.2.3 Relative Limits . 64
4.3.14.3 Conformance . 67
4.3.15 OTA transmitter spurious emissions . 67
4.3.15.1 Definition and applicability . 67
4.3.15.2 Limits . 68
4.3.15.2.1 General spurious emission limits for BS type 1-O . 68
4.3.15.2.2 General spurious emission limits for BS type 2-O . 68
4.3.15.2.3 Limits for protection of BS receiver for BS type 1-O . 69
4.3.15.2.4 Limits for co-existence with systems operating in other frequency bands for BS type 1-O . 69
4.3.15.2.5 Additional limits . 71
4.3.15.3 Conformance . 72
4.3.16 Radiated transmit power . 72
4.3.16.1 Definition and applicability . 72
4.3.16.2 Limits . 72
4.3.16.3 Conformance . 73
4.3.17 OTA Base Station output power . 73
4.3.17.1 Definition and applicability . 73
ETSI
5 ETSI EN 301 908-24 V15.1.1 (2023-09)
4.3.17.2 Limits . 73
4.3.17.3 Conformance . 73
4.3.18 OTA transmitter intermodulation . 73
4.3.18.1 Definition and applicability . 73
4.3.18.2 Limits . 74
4.3.18.2.1 BS type 1-O . 74
4.3.18.3 Conformance . 74
4.3.19 OTA receiver spurious emissions . 74
4.3.19.1 Definition and applicability . 74
4.3.19.2 Limits . 75
4.3.19.2.1 BS type 1-O . 75
4.3.19.2.2 BS type 2-O . 75
4.3.19.3 Conformance . 76
4.3.20 OTA In-band blocking . 76
4.3.20.1 Definition and applicability . 76
4.3.20.2 Limits . 77
4.3.20.2.1 BS type 1-O . 77
4.3.20.2.2 BS type 2-O . 79
4.3.20.3 Conformance . 80
4.3.21 OTA Out-of-band blocking . 80
4.3.21.1 Definition and applicability . 80
4.3.21.2 Limits . 81
4.3.21.2.1 BS type 1-O General blocking . 81
4.3.21.2.2 BS type 2-O general blocking . 81
4.3.21.3 Conformance . 81
4.3.22 OTA Receiver intermodulation. 82
4.3.22.1 Definition and applicability . 82
4.3.22.2 Limits . 82
4.3.22.2.1 BS type 1-O . 82
4.3.22.2.2 BS type 2-O . 85
4.3.22.3 Conformance . 85
4.3.23 OTA Adjacent Channel Selectivity (ACS) . 86
4.3.23.1 Definition and applicability . 86
4.3.23.2 Limits . 86
4.3.23.2.1 BS type 1-O . 86
4.3.23.2.2 BS type 2-O . 87
4.3.23.3 Conformance . 87
4.3.24 OTA Sensitivity . 88
4.3.24.1 Definition and applicability . 88
4.3.24.2 Limits . 88
4.3.24.3 Conformance . 88
4.3.25 OTA Reference sensitivity . 88
4.3.25.1 Definition and applicability . 88
4.3.25.2 Limits . 89
4.3.25.2.1 BS type 1-O . 89
4.3.25.2.2 BS type 2-O . 90
4.3.25.3 Conformance . 91
5 Testing for compliance with technical requirements . 91
5.1 Environmental conditions for testing . 91
5.2 Interpretation of measurement results . 91
5.3 Essential radio test suites . 91
5.3.1 Introduction. 91
5.3.2 Operating band unwanted emissions . 91
5.3.2.1 General . 91
5.3.2.2 Initial conditions . 92
5.3.2.3 Procedure . 92
5.3.2.4 Test Requirement . 92
5.3.3 Adjacent Channel Leakage power Ratio (ACLR) . 92
5.3.3.1 General . 92
5.3.3.2 Initial conditions . 93
5.3.3.3 Procedure . 93
ETSI
6 ETSI EN 301 908-24 V15.1.1 (2023-09)
5.3.3.4 Test requirement . 93
5.3.4 Transmitter spurious emis sions . 94
5.3.4.1 General . 94
5.3.4.2 Initial conditions . 94
5.3.4.3 Procedure . 94
5.3.4.4 Test Requirement . 94
5.3.5 Base Station output power . 95
5.3.5.1 General . 95
5.3.5.2 Initial conditions . 95
5.3.5.3 Procedure . 95
5.3.5.4 Test Requirement . 95
5.3.6 Transmit intermodulation . 96
5.3.6.1 General . 96
5.3.6.2 Initial conditions . 96
5.3.6.3 Procedure . 96
5.3.6.3.1 Procedure for co-location requirement . 96
5.3.6.3.2 Procedure for intra-system requirement . 97
5.3.6.4 Test Requirement . 98
5.3.7 Receiver spurious emissions . 98
5.3.7.1 General . 98
5.3.7.2 Initial conditions . 98
5.3.7.3 Procedure . 98
5.3.7.4 Test Requirement . 99
5.3.8 In-band blocking . 99
5.3.8.1 General . 99
5.3.8.2 Initial conditions . 99
5.3.8.3 Procedure . 99
5.3.8.3.1 Procedure for general blocking . 99
5.3.8.3.2 Procedure for narrowband blocking . 100
5.3.8.4 Requirement . 100
5.3.9 Out-of-band blocking . 100
5.3.9.1 General . 100
5.3.9.2 Initial conditions . 100
5.3.9.3 Procedure . 101
5.3.9.4 Test Requirement . 101
5.3.10 Receiver intermodulation . 101
5.3.10.1 General . 101
5.3.10.2 Initial conditions . 101
5.3.10.3 Procedure . 102
5.3.10.4 Test Requirement . 102
5.3.11 Adjacent Channel Selectivity (ACS) . 102
5.3.11.1 General . 102
5.3.11.2 Initial conditions . 102
5.3.11.3 Procedure . 103
5.3.11.4 Test Requirement . 103
5.3.12 Reference sensitivity level . 103
5.3.12.1 General . 103
5.3.12.2 Initial conditions . 103
5.3.12.3 Procedure . 104
5.3.12.4 Test Requirement . 104
5.3.13 OTA operating band unwanted emissions . 104
5.3.13.1 General . 104
5.3.13.2 Initial conditions . 104
5.3.13.3 Procedure . 105
5.3.13.4 Test Requirement . 105
5.3.14 OTA Adjacent Channel Leakage power Ratio (ACLR) . 105
5.3.14.1 General . 105
5.3.14.2 Initial conditions . 105
5.3.14.3 Procedure . 106
5.3.14.4 Test Requirement . 107
5.3.15 OTA transmitter spurious emissions . 107
5.3.15.1 General spurious emissions . 107
ETSI
7 ETSI EN 301 908-24 V15.1.1 (2023-09)
5.3.15.1.1 General . 107
5.3.15.1.2 Initial conditions . 107
5.3.15.1.3 Procedure . 108
5.3.15.1.4 Test Requirement. 109
5.3.15.2 Protection of BS receiver . 109
5.3.15.2.1 General . 109
5.3.15.2.2 Initial conditions . 109
5.3.15.2.3 Procedure . 109
5.3.15.2.4 Test Requirement. 110
5.3.15.3 Co-existence with other systems . 110
5.3.15.3.1 General . 110
5.3.15.3.2 Initial conditions .
...