ETSI EN 303 883-1 V1.2.1 (2021-02)

Short Range Devices (SRD) and Ultra Wide Band (UWB); Part 1: Measurement techniques for transmitter requirements

REN/ERM-TGUWB-149-1

Naprave kratkega dosega (SRD) in ultra širokopasovna (UWB) tehnologija - 1. del: Merilne tehnike za zahteve oddajnika

General Information

• Status: Not Published
• Technical Committee: ERM TGUWB - Ultra Wide Band
• Current Stage: 12 - Completion
• Due Date: 08-Mar-2021
• Completion Date: 25-Feb-2021
• Ref Project: SIST EN 303 883-1 V1.2.1:2021 - Short Range Devices (SRD) and Ultra Wide Band (UWB) - Part 1: Measurement techniques for transmitter requirements

Standards Content (Sample)

ETSI EN 303 883-1 V1.2.1 (2021-02)






EUROPEAN STANDARD
Short Range Devices (SRD) and
Ultra Wide Band (UWB);
Part 1: Measurement techniques
for transmitter requirements

---------------------- Page: 1 ----------------------
2 ETSI EN 303 883-1 V1.2.1 (2021-02)



Reference
REN/ERM-TGUWB-149-1
Keywords
SRD, testing, UWB

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

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
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 2021.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 ETSI EN 303 883-1 V1.2.1 (2021-02)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Introduction . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 15
3.3 Abbreviations . 16
4 Overview . 17
4.1 Information . 17
4.2 Basic information about UWB . 17
5 TX requirements . 18
5.1 General . 18
5.1.1 General Guidance on TX measurements . 18
5.1.2 Emission Concept . 18
5.1.2.1 General . 18
5.1.2.2 UWB - EUT . 18
5.2 Operating Frequency Range (OFR) . 19
5.2.1 Definition . 19
5.2.2 Conformance Test . 20
5.3 Radiated Power (RP) . 20
5.3.1 Mean e.i.r.p. . 20
5.3.1.1 Description . 20
5.3.1.2 Conformance . 20
5.3.1.3 Method with a Spectrum Analyser . 20
5.3.1.4 Method with an RMS Power Meter . 21
5.3.1.5 Method with a Peak Power Meter . 22
5.3.2 Mean e.i.r.p. Spectral Density . 22
5.3.2.1 Description . 22
5.3.2.2 Guidance for Mean e.i.r.p. Spectral Density Conformance Tests . 22
5.3.2.3 Mean e.i.r.p. Spectral Density, averaged over 1 ms . 22
5.3.2.4 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over 1 ms . 24
5.3.2.5 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over signal repetition time . 25
5.3.3 Peak e.i.r.p. . 26
5.3.3.1 Description . 26
5.3.3.2 Conformance . 26
5.3.3.3 Peak e.i.r.p.; Method with a Spectrum Analyser . 27
5.3.3.4 Peak e.i.r.p. Method with an RMS Power Meter. 27
5.3.3.5 Peak e.i.r.p. method with a Peak Power Meter . 27
5.3.4 Peak e.i.r.p. Spectral Density . 28
5.3.4.1 Description . 28
5.3.4.2 Peak e.i.r.p. Spectral Density, General Method . 28
5.3.4.3 Peak e.i.r.p. Spectral Density, Sparse Spectral Line Method . 30
5.4 Other Emissions (OE) . 30
5.5 TX Unwanted Emissions (TXUE) . 31
5.5.1 Description . 31
5.5.2 Limits for the TX Unwanted Emission . 32
5.5.3 General for Conformance Test for TX Unwanted Emission . 32
5.5.3.1 General . 32
ETSI

---------------------- Page: 3 ----------------------
4 ETSI EN 303 883-1 V1.2.1 (2021-02)
5.5.3.2 Step 1: Measurement with Peak Detector . 32
5.5.3.3 Step 2: RMS Measurement . 33
5.6 Total Radiated Power (TRP) . 34
5.6.1 Description . 34
5.6.2 Conformance Test . 35
5.6.2.1 General . 35
5.6.2.2 TRP Conformance Assessment in steps: . 35
5.7 Indirect Emissions . 36
5.7.1 Description . 36
5.7.2 Guidance for Conformance Test . 40
5.8 Transmit Power Control . 40
5.8.1 Description . 40
5.8.2 Guidance for Conformance Test . 40
5.9 Detect and Avoid . 41
5.9.1 Description . 41
5.9.2 Limits . 41
5.9.2.1 DAA Parameters . 41
5.9.2.2 DAA NIM parameters . 42
5.9.2.3 DAA test parameters . 42
5.9.3 Conformance Test . 42
5.9.3.1 Introduction . 42
5.9.3.2 Initial Start-Up Test. 44
5.9.3.2.1 Start-up Procedure . 44
5.9.3.2.2 Test without a victim test signal during the Minimum Initial Channel Availability Check
Time, T . 44
avail_time_min
5.9.3.2.3 Test with a victim test signal at the beginning of the Minimum Initial Channel Availability
Check Time, T . 45
avail_time_min
5.9.3.2.4 Test with a victim test signal at the end of the Minimum Initial Channel Availability Check
Time, T . 46
avail_time_min
5.9.3.3 In-Operation Test . 47
5.9.3.3.1 General Points for In-Operation Test . 47
5.9.3.3.2 In-Operation Test Procedure . 48
5.10 Listen Before Talk (LBT) . 49
5.10.1 Description . 49
5.10.2 Limits . 50
5.10.3 Conformance. 51
5.10.3.1 Measurement Procedure . 51
5.10.3.2 Test Set-Up . 51
5.10.3.3 Test Signal Definition for LBT Mechanism in Band 2 and 3 . 52
5.10.3.3.1 Band 2: Mobile Satellite Service (MSS) Test Signal. 52
5.10.3.3.2 Band 3: Land Mobile Service Test Signal . 52
5.10.3.4 Test Signal Definition for LBT Mechanism in Band 1 and 4 . 52
5.10.3.5 Conformance Test to Measure the Timing for LBT within bands 1 and 4 . 54
5.11 Duty Cycle. 55
5.11.1 Description . 55
5.11.2 Conformance. 56
5.11.2.1 Duty Cycle, Spectrum Analyser Method . 56
5.11.2.2 Duty Cycle, Oscilloscope Method . 56
5.11.2.3 Duty Cycle Measurement Methods for FMCW, stepped-frequency and Pulsed Systems . 58
5.11.2.3.1 General . 58
5.11.2.3.2 Method 1: Diode Power Detector . 58
5.11.2.3.3 Method 2: Spectrum Analyzer . 59
5.11.2.3.4 Method 3: Synchronized Spectrum Analysers. 60
5.11.2.4 Duty Cycle Measurement Methods within a frequency band for FMCW and stepped-frequency
systems . 61
5.11.2.4.1 General . 61
5.11.2.4.2 Synchronized Spectrum Analysers . 61
Annex A (normative): General Considerations and test conditions . 64
A.1 Overview . 64
A.2 Product Information . 64
ETSI

---------------------- Page: 4 ----------------------
5 ETSI EN 303 883-1 V1.2.1 (2021-02)
A.3 Guidance on EUT Modulation for Testing . 65
A.4 Requirements in Case of EUT with Scanning Antennas . 65
A.4.1 Classification . 65
A.4.2 Measurement of Fixed Beam EUT . 65
A.4.3 Measurement of Constant Pattern EUT . 65
A.4.4 Measurement of Variable Pattern EUT . 66
A.5 Test Conditions, Power Supply and Ambient Temperatures . 66
A.5.1 General . 66
A.5.2 Power Sources . 66
A.5.2.1 Power Sources for Stand-Alone Equipment . 66
A.5.2.2 Power sources for plug-in radio devices . 67
A.5.3 Normal and Extreme Test Conditions . 67
A.5.3.1 Normal Test Conditions . 67
A.5.3.1.1 Normal Temperature and Humidity . 67
A.5.3.1.2 Normal Power Source . 67
A.5.3.1.2.1 Mains Voltage . 67
A.5.3.1.2.2 Lead-Acid Battery Power Sources used on Vehicles . 67
A.5.3.1.2.3 Other Power Sources . 67
A.5.3.2 Extreme Conditions . 67
A.5.3.2.1 Extreme Temperatures . 67
A.5.3.2.1.1 Procedure for Tests at Extreme Temperatures . 67
A.5.3.2.1.2 Extreme Temperature Ranges . 68
A.5.3.2.2 Extreme Test Source Voltages . 68
A.5.3.2.2.1 Mains Voltage . 68
A.5.3.2.2.2 Other Power Sources . 68
A.5.3.2.3 Radio Transparent Temperature Chamber . 68
A.5.3.2.4 Use of a Test Fixture . 68
A.5.3.2.4.1 General . 68
A.5.3.2.4.2 Characteristics . 69
A.5.3.2.4.3 Validation of the Test Fixture in the Temperature Chamber . 70
A.5.3.2.4.4 Use of the Test Fixture for Measurement in the Temperature Chamber . 71
A.6 Choice of Equipment for Test Suites . 71
A.6.1 Choice of Model . 71
A.6.2 Presentation . 71
A.7 Testing of Host Connected Equipment and Plug-In Radio Devices . 71
A.7.1 General . 71
A.7.2 The Use of a Host or Test Fixture for Testing Plug-In Radio Devices . 72
A.8 Interpretation of the measurement results . 72
A.8.1 General points on interpretation of the measurement results . 72
A.8.2 Measurement uncertainty is equal to or less than maximum acceptable uncertainty . 73
A.8.3 Measurement uncertainty is greater than maximum acceptable uncertainty . 73
Annex B (normative): Test setups . 74
B.1 Introduction . 74
B.2 Radiated measurements . 74
B.2.1 General . 74
B.2.2 Test Sites and General Arrangements for Measurements Involving the Use of Radiated Fields . 74
B.2.2.1 General . 74
B.2.2.2 Anechoic Chamber . 75
B.2.2.3 Anechoic Chamber with a Conductive Ground Plane . 76
B.2.2.4 Open Area Test Site (OATS) . 77
B.2.2.5 Test Antenna . 78
B.2.2.6 Substitution Antenna. 78
B.2.2.7 Measuring Antenna . 79
B.2.2.8 Minimum Requirements for Test Sites for Measurements above 18 GHz . 79
B.2.3 Guidance on the Use of a Radiation Test Site . 80
B.2.3.1 General on Guidance on the Use of a Radiation Test Site . 80
ETSI

---------------------- Page: 5 ----------------------
6 ETSI EN 303 883-1 V1.2.1 (2021-02)
B.2.3.2 Verification of the Test Site . 80
B.2.3.3 Preparation of the EUT . 80
B.2.3.4 Power Supplies to the EUT . 81
B.2.3.5 Range Length . 81
B.2.3.5.1 General . 81
B.2.3.5.2 Practical Test Distances for Accurate Measurements . 81
B.2.3.6 Site Preparation . 82
B.2.4 Coupling of Signals .
...

SLOVENSKI STANDARD
SIST EN 303 883-1 V1.2.1:2021
01-april-2021
Naprave kratkega dosega (SRD) in ultra širokopasovna (UWB) tehnologija - 1. del:
Merilne tehnike za zahteve oddajnika
Short Range Devices (SRD) and Ultra Wide Band (UWB) - Part 1: Measurement
techniques for transmitter requirements
Ta slovenski standard je istoveten z: ETSI EN 303 883-1 V1.2.1 (2021-02)
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
SIST EN 303 883-1 V1.2.1:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 303 883-1 V1.2.1:2021

---------------------- Page: 2 ----------------------
SIST EN 303 883-1 V1.2.1:2021
ETSI EN 303 883-1 V1.2.1 (2021-02)






EUROPEAN STANDARD
Short Range Devices (SRD) and
Ultra Wide Band (UWB);
Part 1: Measurement techniques
for transmitter requirements

---------------------- Page: 3 ----------------------
SIST EN 303 883-1 V1.2.1:2021

2 ETSI EN 303 883-1 V1.2.1 (2021-02)



Reference
REN/ERM-TGUWB-149-1
Keywords
SRD, testing, UWB

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

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
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 2021.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 4 ----------------------
SIST EN 303 883-1 V1.2.1:2021

3 ETSI EN 303 883-1 V1.2.1 (2021-02)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Introduction . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 15
3.3 Abbreviations . 16
4 Overview . 17
4.1 Information . 17
4.2 Basic information about UWB . 17
5 TX requirements . 18
5.1 General . 18
5.1.1 General Guidance on TX measurements . 18
5.1.2 Emission Concept . 18
5.1.2.1 General . 18
5.1.2.2 UWB - EUT . 18
5.2 Operating Frequency Range (OFR) . 19
5.2.1 Definition . 19
5.2.2 Conformance Test . 20
5.3 Radiated Power (RP) . 20
5.3.1 Mean e.i.r.p. . 20
5.3.1.1 Description . 20
5.3.1.2 Conformance . 20
5.3.1.3 Method with a Spectrum Analyser . 20
5.3.1.4 Method with an RMS Power Meter . 21
5.3.1.5 Method with a Peak Power Meter . 22
5.3.2 Mean e.i.r.p. Spectral Density . 22
5.3.2.1 Description . 22
5.3.2.2 Guidance for Mean e.i.r.p. Spectral Density Conformance Tests . 22
5.3.2.3 Mean e.i.r.p. Spectral Density, averaged over 1 ms . 22
5.3.2.4 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over 1 ms . 24
5.3.2.5 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over signal repetition time . 25
5.3.3 Peak e.i.r.p. . 26
5.3.3.1 Description . 26
5.3.3.2 Conformance . 26
5.3.3.3 Peak e.i.r.p.; Method with a Spectrum Analyser . 27
5.3.3.4 Peak e.i.r.p. Method with an RMS Power Meter. 27
5.3.3.5 Peak e.i.r.p. method with a Peak Power Meter . 27
5.3.4 Peak e.i.r.p. Spectral Density . 28
5.3.4.1 Description . 28
5.3.4.2 Peak e.i.r.p. Spectral Density, General Method . 28
5.3.4.3 Peak e.i.r.p. Spectral Density, Sparse Spectral Line Method . 30
5.4 Other Emissions (OE) . 30
5.5 TX Unwanted Emissions (TXUE) . 31
5.5.1 Description . 31
5.5.2 Limits for the TX Unwanted Emission . 32
5.5.3 General for Conformance Test for TX Unwanted Emission . 32
5.5.3.1 General . 32
ETSI

---------------------- Page: 5 ----------------------
SIST EN 303 883-1 V1.2.1:2021

4 ETSI EN 303 883-1 V1.2.1 (2021-02)
5.5.3.2 Step 1: Measurement with Peak Detector . 32
5.5.3.3 Step 2: RMS Measurement . 33
5.6 Total Radiated Power (TRP) . 34
5.6.1 Description . 34
5.6.2 Conformance Test . 35
5.6.2.1 General . 35
5.6.2.2 TRP Conformance Assessment in steps: . 35
5.7 Indirect Emissions . 36
5.7.1 Description . 36
5.7.2 Guidance for Conformance Test . 40
5.8 Transmit Power Control . 40
5.8.1 Description . 40
5.8.2 Guidance for Conformance Test . 40
5.9 Detect and Avoid . 41
5.9.1 Description . 41
5.9.2 Limits . 41
5.9.2.1 DAA Parameters . 41
5.9.2.2 DAA NIM parameters . 42
5.9.2.3 DAA test parameters . 42
5.9.3 Conformance Test . 42
5.9.3.1 Introduction . 42
5.9.3.2 Initial Start-Up Test. 44
5.9.3.2.1 Start-up Procedure . 44
5.9.3.2.2 Test without a victim test signal during the Minimum Initial Channel Availability Check
Time, T . 44
avail_time_min
5.9.3.2.3 Test with a victim test signal at the beginning of the Minimum Initial Channel Availability
Check Time, T . 45
avail_time_min
5.9.3.2.4 Test with a victim test signal at the end of the Minimum Initial Channel Availability Check
Time, T . 46
avail_time_min
5.9.3.3 In-Operation Test . 47
5.9.3.3.1 General Points for In-Operation Test . 47
5.9.3.3.2 In-Operation Test Procedure . 48
5.10 Listen Before Talk (LBT) . 49
5.10.1 Description . 49
5.10.2 Limits . 50
5.10.3 Conformance. 51
5.10.3.1 Measurement Procedure . 51
5.10.3.2 Test Set-Up . 51
5.10.3.3 Test Signal Definition for LBT Mechanism in Band 2 and 3 . 52
5.10.3.3.1 Band 2: Mobile Satellite Service (MSS) Test Signal. 52
5.10.3.3.2 Band 3: Land Mobile Service Test Signal . 52
5.10.3.4 Test Signal Definition for LBT Mechanism in Band 1 and 4 . 52
5.10.3.5 Conformance Test to Measure the Timing for LBT within bands 1 and 4 . 54
5.11 Duty Cycle. 55
5.11.1 Description . 55
5.11.2 Conformance. 56
5.11.2.1 Duty Cycle, Spectrum Analyser Method . 56
5.11.2.2 Duty Cycle, Oscilloscope Method . 56
5.11.2.3 Duty Cycle Measurement Methods for FMCW, stepped-frequency and Pulsed Systems . 58
5.11.2.3.1 General . 58
5.11.2.3.2 Method 1: Diode Power Detector . 58
5.11.2.3.3 Method 2: Spectrum Analyzer . 59
5.11.2.3.4 Method 3: Synchronized Spectrum Analysers. 60
5.11.2.4 Duty Cycle Measurement Methods within a frequency band for FMCW and stepped-frequency
systems . 61
5.11.2.4.1 General . 61
5.11.2.4.2 Synchronized Spectrum Analysers . 61
Annex A (normative): General Considerations and test conditions . 64
A.1 Overview . 64
A.2 Product Information . 64
ETSI

---------------------- Page: 6 ----------------------
SIST EN 303 883-1 V1.2.1:2021

5 ETSI EN 303 883-1 V1.2.1 (2021-02)
A.3 Guidance on EUT Modulation for Testing . 65
A.4 Requirements in Case of EUT with Scanning Antennas . 65
A.4.1 Classification . 65
A.4.2 Measurement of Fixed Beam EUT . 65
A.4.3 Measurement of Constant Pattern EUT . 65
A.4.4 Measurement of Variable Pattern EUT . 66
A.5 Test Conditions, Power Supply and Ambient Temperatures . 66
A.5.1 General . 66
A.5.2 Power Sources . 66
A.5.2.1 Power Sources for Stand-Alone Equipment . 66
A.5.2.2 Power sources for plug-in radio devices . 67
A.5.3 Normal and Extreme Test Conditions . 67
A.5.3.1 Normal Test Conditions . 67
A.5.3.1.1 Normal Temperature and Humidity . 67
A.5.3.1.2 Normal Power Source . 67
A.5.3.1.2.1 Mains Voltage . 67
A.5.3.1.2.2 Lead-Acid Battery Power Sources used on Vehicles . 67
A.5.3.1.2.3 Other Power Sources . 67
A.5.3.2 Extreme Conditions . 67
A.5.3.2.1 Extreme Temperatures . 67
A.5.3.2.1.1 Procedure for Tests at Extreme Temperatures . 67
A.5.3.2.1.2 Extreme Temperature Ranges . 68
A.5.3.2.2 Extreme Test Source Voltages . 68
A.5.3.2.2.1 Mains Voltage . 68
A.5.3.2.2.2 Other Power Sources . 68
A.5.3.2.3 Radio Transparent Temperature Chamber . 68
A.5.3.2.4 Use of a Test Fixture . 68
A.5.3.2.4.1 General . 68
A.5.3.2.4.2 Characteristics . 69
A.5.3.2.4.3 Validation of the Test Fixture in the Temperature Chamber . 70
A.5.3.2.4.4 Use of the Test Fixture for Measurement in the Temperature Chamber . 71
A.6 Choice of Equipment for Test Suites . 71
A.6.1 Choice of Model . 71
A.6.2 Presentation . 71
A.7 Testing of Host Connected Equipment and Plug-In Radio Devices . 71
A.7.1 General . 71
A.7.2 The Use of a Host or Test Fixture for Testing Plug-In Radio Devices . 72
A.8 Interpretation of the measurement results . 72
A.8.1 General points on interpretation of the measurement results . 72
A.8.2 Measurement uncertainty is equal to or less than maximum acceptable uncertainty . 73
A.8.3 Measurement uncertainty is greater than maximum acceptable uncertainty . 73
Annex B (normative): Test setups . 74
B.1 Introduction . 74
B.2 Radiated measurements . 74
B.2.1 General . 74
B.2.2 Test Sites and General Arrangements for Measurements Involving the Use of Radiated Fields . 74
B.2.2.1 General . 74
B.2.2.2 Anechoic Chamber . 75
B.2.2.3 Anechoic Chamber with a Conductive Ground Plane . 76
B.2.2.4 Open Area Test Site (OATS) . 77
B.2.2.5 Test Antenna . 78
B.2.2.6 Substitution Antenna. 78
B.2.2.7 Measuring Antenna . 79
B.2.2.8 Minimum Requirements for Test Sites for Measurements above 18 GHz . 79
B.2.3 Guidance on the Use of a Radiation Test Site . 80
B.2.3.1 General on Guidance on the Use of a Radiation Test Site . 80
ETSI

---------------------- Page: 7 ----------------------
SIST EN 303 883-1 V1.2.1:2021

6 ETSI EN 303 883-1 V1.2.1 (2021-02)
B.2.3.2 Verification of the Test Site . 80
B.2.3.3 Preparation of the EUT .
...

Final draft ETSI EN 303 883-1 V1.2.1 (2020-12)






EUROPEAN STANDARD
Short Range Devices (SRD) and
Ultra Wide Band (UWB);
Part 1: Measurement techniques
for transmitter requirements

---------------------- Page: 1 ----------------------
2 Final draft ETSI EN 303 883-1 V1.2.1 (2020-12)



Reference
REN/ERM-TGUWB-149-1
Keywords
SRD, testing, UWB

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

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
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 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 Final draft ETSI EN 303 883-1 V1.2.1 (2020-12)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Introduction . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 15
3.3 Abbreviations . 16
4 Overview . 17
4.1 Information . 17
4.2 Basic information about UWB . 17
5 TX requirements . 18
5.1 General . 18
5.1.1 General Guidance on TX measurements . 18
5.1.2 Emission Concept . 18
5.1.2.1 General . 18
5.1.2.2 UWB - EUT . 18
5.2 Operating Frequency Range (OFR) . 19
5.2.1 Definition . 19
5.2.2 Conformance Test . 20
5.3 Radiated Power (RP) . 20
5.3.1 Mean e.i.r.p. . 20
5.3.1.1 Description . 20
5.3.1.2 Conformance . 20
5.3.1.3 Method with a Spectrum Analyser . 20
5.3.1.4 Method with an RMS Power Meter . 21
5.3.1.5 Method with a Peak Power Meter . 22
5.3.2 Mean e.i.r.p. Spectral Density . 22
5.3.2.1 Description . 22
5.3.2.2 Guidance for Mean e.i.r.p. Spectral Density Conformance Tests . 22
5.3.2.3 Mean e.i.r.p. Spectral Density, averaged over 1 ms . 22
5.3.2.4 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over 1 ms . 24
5.3.2.5 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over signal repetition time . 25
5.3.3 Peak e.i.r.p. . 26
5.3.3.1 Description . 26
5.3.3.2 Conformance . 26
5.3.3.3 Peak e.i.r.p.; Method with a Spectrum Analyser . 27
5.3.3.4 Peak e.i.r.p. Method with an RMS Power Meter. 27
5.3.3.5 Peak e.i.r.p. method with a Peak Power Meter . 27
5.3.4 Peak e.i.r.p. Spectral Density . 28
5.3.4.1 Description . 28
5.3.4.2 Peak e.i.r.p. Spectral Density, General Method . 28
5.3.4.3 Peak e.i.r.p. Spectral Density, Sparse Spectral Line Method . 30
5.4 Other Emissions (OE) . 30
5.5 TX Unwanted Emissions (TXUE) . 31
5.5.1 Description . 31
5.5.2 Limits for the TX Unwanted Emission . 32
5.5.3 General for Conformance Test for TX Unwanted Emission . 32
5.5.3.1 General . 32
ETSI

---------------------- Page: 3 ----------------------
4 Final draft ETSI EN 303 883-1 V1.2.1 (2020-12)
5.5.3.2 Step 1: Measurement with Peak Detector . 32
5.5.3.3 Step 2: RMS Measurement . 33
5.6 Total Radiated Power (TRP) . 34
5.6.1 Description . 34
5.6.2 Conformance Test . 35
5.6.2.1 General . 35
5.6.2.2 TRP Conformance Assessment in steps: . 35
5.7 Indirect Emissions . 36
5.7.1 Description . 36
5.7.2 Guidance for Conformance Test . 40
5.8 Transmit Power Control . 40
5.8.1 Description . 40
5.8.2 Guidance for Conformance Test . 40
5.9 Detect and Avoid . 41
5.9.1 Description . 41
5.9.2 Limits . 41
5.9.2.1 DAA Parameters . 41
5.9.2.2 DAA NIM parameters . 42
5.9.2.3 DAA test parameters . 42
5.9.3 Conformance Test . 42
5.9.3.1 Introduction . 42
5.9.3.2 Initial Start-Up Test. 44
5.9.3.2.1 Start-up Procedure . 44
5.9.3.2.2 Test without a victim test signal during the Minimum Initial Channel Availability Check
Time, T . 44
avail_time_min
5.9.3.2.3 Test with a victim test signal at the beginning of the Minimum Initial Channel Availability
. 45
Check Time, Tavail_time_min
5.9.3.2.4 Test with a victim test signal at the end of the Minimum Initial Channel Availability Check
Time, T . 46
avail_time_min
5.9.3.3 In-Operation Test . 47
5.9.3.3.1 General Points for In-Operation Test . 47
5.9.3.3.2 In-Operation Test Procedure . 48
5.10 Listen Before Talk (LBT) . 49
5.10.1 Description . 49
5.10.2 Limits . 50
5.10.3 Conformance. 51
5.10.3.1 Measurement Procedure . 51
5.10.3.2 Test Set-Up . 51
5.10.3.3 Test Signal Definition for LBT Mechanism in Band 2 and 3 . 52
5.10.3.3.1 Band 2: Mobile Satellite Service (MSS) Test Signal. 52
5.10.3.3.2 Band 3: Land Mobile Service Test Signal . 52
5.10.3.4 Test Signal Definition for LBT Mechanism in Band 1 and 4 . 52
5.10.3.5 Conformance Test to Measure the Timing for LBT within bands 1 and 4 . 54
5.11 Duty Cycle. 55
5.11.1 Description . 55
5.11.2 Conformance. 56
5.11.2.1 Duty Cycle, Spectrum Analyser Method . 56
5.11.2.2 Duty Cycle, Oscilloscope Method . 56
5.11.2.3 Duty Cycle Measurement Methods for FMCW, stepped-frequency and Pulsed Systems . 58
5.11.2.3.1 General . 58
5.11.2.3.2 Method 1: Diode Power Detector . 58
5.11.2.3.3 Method 2: Spectrum Analyzer . 59
5.11.2.3.4 Method 3: Synchronized Spectrum Analysers. 60
5.11.2.4 Duty Cycle Measurement Methods within a frequency band for FMCW and stepped-frequency
systems . 61
5.11.2.4.1 General . 61
5.11.2.4.2 Synchronized Spectrum Analysers . 61
Annex A (normative): General Considerations and test conditions . 64
A.1 Overview . 64
A.2 Product Information . 64
ETSI

---------------------- Page: 4 ----------------------
5 Final draft ETSI EN 303 883-1 V1.2.1 (2020-12)
A.3 Guidance on EUT Modulation for Testing . 65
A.4 Requirements in Case of EUT with Scanning Antennas . 65
A.4.1 Classification . 65
A.4.2 Measurement of Fixed Beam EUT . 65
A.4.3 Measurement of Constant Pattern EUT . 65
A.4.4 Measurement of Variable Pattern EUT . 66
A.5 Test Conditions, Power Supply and Ambient Temperatures . 66
A.5.1 General . 66
A.5.2 Power Sources . 66
A.5.2.1 Power Sources for Stand-Alone Equipment . 66
A.5.2.2 Power sources for plug-in radio devices . 67
A.5.3 Normal and Extreme Test Conditions . 67
A.5.3.1 Normal Test Conditions . 67
A.5.3.1.1 Normal Temperature and Humidity . 67
A.5.3.1.2 Normal Power Source . 67
A.5.3.1.2.1 Mains Voltage . 67
A.5.3.1.2.2 Lead-Acid Battery Power Sources used on Vehicles . 67
A.5.3.1.2.3 Other Power Sources . 67
A.5.3.2 Extreme Conditions . 67
A.5.3.2.1 Extreme Temperatures . 67
A.5.3.2.1.1 Procedure for Tests at Extreme Temperatures . 67
A.5.3.2.1.2 Extreme Temperature Ranges . 68
A.5.3.2.2 Extreme Test Source Voltages . 68
A.5.3.2.2.1 Mains Voltage . 68
A.5.3.2.2.2 Other Power Sources . 68
A.5.3.2.3 Radio Transparent Temperature Chamber . 68
A.5.3.2.4 Use of a Test Fixture . 68
A.5.3.2.4.1 General . 68
A.5.3.2.4.2 Characteristics . 69
A.5.3.2.4.3 Validation of the Test Fixture in the Temperature Chamber . 70
A.5.3.2.4.4 Use of the Test Fixture for Measurement in the Temperature Chamber . 71
A.6 Choice of Equipment for Test Suites . 71
A.6.1 Choice of Model . 71
A.6.2 Presentation . 71
A.7 Testing of Host Connected Equipment and Plug-In Radio Devices . 71
A.7.1 General . 71
A.7.2 The Use of a Host or Test Fixture for Testing Plug-In Radio Devices . 72
A.8 Interpretation of the measurement results . 72
A.8.1 General points on interpretation of the measurement results . 72
A.8.2 Measurement uncertainty is equal to or less than maximum acceptable uncertainty . 73
A.8.3 Measurement uncertainty is greater than maximum acceptable uncertainty . 73
Annex B (normative): Test setups . 74
B.1 Introduction . 74
B.2 Radiated measurements . 74
B.2.1 General . 74
B.2.2 Test Sites and General Arrangements for Measurements Involving the Use of Radiated Fields . 74
B.2.2.1 General . 74
B.2.2.2 Anechoic Chamber . 75
B.2.2.3 Anechoic Chamber with a Conductive Ground Plane . 76
B.2.2.4 Open Area Test Site (OATS) . 77
B.2.2.5 Test Antenna . 78
B.2.2.6 Substitution Antenna. 78
B.2.2.7 Measuring Antenna . 79
B.2.2.8 Minimum Requirements for Test Sites for Measurements above 18 GHz . 79
B.2.3 Guidance on the Use of a Radiation Test Site . 80
B.2.3.1 General on Guidance on the Use of a Radiation Test Site . 80
ETSI

---------------------- Page: 5 ----------------------
6 Final draft ETSI EN 303 883-1 V1.2.1 (2020-12)
B.2.3.2 Verification of the Test Site . 80
B.2.3.3 Preparation of the EUT . 80
B.2.3.4 Power Supplies to the EUT . 81
B.2.3.5 Range Length . 81
B.2.3.5.1 General . 81
B.2.3.5.2 Practical Test Distances for Accurate Measurements . 81
B.2.3.6 Site Preparation .
...

Draft ETSI EN 303 883-1 V1.2.0 (2020-07)






EUROPEAN STANDARD
Short Range Devices (SRD) and
Ultra Wide Band (UWB);
Part 1: Measurement techniques
for transmitter requirements

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)



Reference
REN/ERM-TGUWB-149-1
Keywords
SRD, testing, UWB

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

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
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 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Introduction . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 15
3.3 Abbreviations . 16
4 Overview . 17
4.1 Info . 17
4.2 Basic information about UWB . 17
5 TX requirements . 17
5.1 General . 17
5.1.1 General Guidance on TX measurements . 17
5.1.2 Emission Concept . 18
5.1.2.1 General . 18
5.1.2.2 UWB - EUT . 18
5.2 Operating Frequency Range (OFR) . 19
5.2.1 Definition . 19
5.2.2 Conformance Test . 20
5.3 Radiated Power (RP) . 20
5.3.1 Mean e.i.r.p. . 20
5.3.1.1 Description . 20
5.3.1.2 Conformance . 20
5.3.1.3 Method with a Spectrum Analyser . 20
5.3.1.4 Method with an RMS Power Meter . 21
5.3.1.5 Method with a Peak Power Meter . 21
5.3.2 Mean e.i.r.p. Spectral Density . 22
5.3.2.1 Description . 22
5.3.2.2 Guidance for Mean e.i.r.p. Spectral Density Conformance Tests . 22
5.3.2.3 Mean e.i.r.p. Spectral Density, averaged over 1 ms . 22
5.3.2.4 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over 1 ms . 23
5.3.2.5 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over signal repetition time . 25
5.3.3 Peak e.i.r.p. . 26
5.3.3.1 Description . 26
5.3.3.2 Conformance . 26
5.3.3.3 Peak e.i.r.p.; Method with a Spectrum Analyser . 27
5.3.3.4 Peak e.i.r.p. Method with an RMS Power Meter. 27
5.3.3.5 Peak e.i.r.p. method with a Peak Power Meter . 27
5.3.4 Peak e.i.r.p. Spectral Density . 28
5.3.4.1 Description . 28
5.3.4.2 Peak e.i.r.p. Spectral Density, General Method . 28
5.3.4.3 Peak e.i.r.p. Spectral Density, Sparse Spectral Line Method . 30
5.4 Other Emissions (OE) . 30
5.5 TX Unwanted Emissions (TXUE) . 31
5.5.1 Description . 31
5.5.2 Limits for the TX Unwanted Emission . 32
5.5.3 General for Conformance Test TX Unwanted Emission . 32
5.5.3.1 General . 32
ETSI

---------------------- Page: 3 ----------------------
4 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)
5.5.3.2 Step 1: Measurement with Peak Detector . 32
5.5.3.3 Step 2: RMS Measurement . 33
5.6 Total Radiated Power (TRP) . 34
5.6.1 Description . 34
5.6.2 Conformance Test . 35
5.6.2.1 General . 35
5.6.2.2 TRP Conformance Assessment in steps: . 35
5.7 Indirect Emissions . 36
5.7.1 Description . 36
5.7.2 Guidance for Conformance Test . 40
5.8 Transmit Power Control . 40
5.8.1 Description . 40
5.8.2 Guidance for Conformance Test . 40
5.9 Detect and Avoid . 41
5.9.1 Description . 41
5.9.2 Limits . 41
5.9.2.1 DAA Parameters . 41
5.9.2.2 DAA NIM parameters . 42
5.9.2.3 DAA test parameters . 42
5.9.3 Conformance Test . 42
5.9.3.1 Introduction . 42
5.9.3.2 Initial Start-Up Test. 44
5.9.3.2.1 Start-up Procedure . 44
5.9.3.2.2 Test without a victim test signal during the Minimum Initial Channel Availability Check
Time, T . 44
avail_time_min
5.9.3.2.3 Test with a victim test signal at the beginning of the Minimum Initial Channel Availability
. 45
Check Time, Tavail_time_min
5.9.3.2.4 Test with a victim test signal at the end of the Minimum Initial Channel Availability Check
Time, T . 46
avail_time_min
5.9.3.3 In-Operation Test . 47
5.9.3.3.1 General Points for In-Operation Test . 47
5.9.3.3.2 In-Operation Test Procedure . 48
5.10 Listen Before Talk (LBT) . 49
5.10.1 Description . 49
5.10.2 Limits . 50
5.10.3 Conformance. 51
5.10.3.1 Measurement Procedure . 51
5.10.3.2 Test Set-Up . 51
5.10.3.3 Test Signal Definition for LBT Mechanism in Band 2 and 3 . 52
5.10.3.3.1 Band 2: Mobile Satellite Service (MSS) Test Signal. 52
5.10.3.3.2 Band 3: Land Mobile Service Test Signal . 52
5.10.3.4 Test Signal Definition for LBT Mechanism in Band 1 and 4 . 52
5.10.3.5 Conformance Test to Measure the Timing for LBT within bands 1 and 4 . 54
5.11 Duty Cycle. 55
5.11.1 Description . 55
5.11.2 Conformance. 55
5.11.2.1 Duty Cycle, Spectrum Analyser Method . 55
5.11.2.2 Duty Cycle, Oscilloscope Method . 56
5.11.2.3 Duty Cycle Measurement Methods for FMCW, stepped-frequency and Pulsed Systems . 58
5.11.2.3.1 General . 58
5.11.2.3.2 Method 1: Diode Power Detector . 58
5.11.2.3.3 Method 2: Spectrum Analyzer . 59
5.11.2.3.4 Method 3: Synchronized Spectrum Analysers. 60
5.11.2.4 Duty Cycle Measurement Methods within a frequency band for FMCW and stepped-frequency
systems . 61
5.11.2.4.1 General . 61
5.11.2.4.2 Synchronized Spectrum Analysers . 61
Annex A (normative): General Considerations and test conditions . 64
A.1 Overview . 64
A.2 Product Information . 64
ETSI

---------------------- Page: 4 ----------------------
5 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)
A.3 Guidance on EUT Modulation for Testing . 65
A.4 Requirements in Case of EUT with Scanning Antennas . 65
A.4.1 Classification . 65
A.4.2 Measurement of Fixed Beam EUT . 65
A.4.3 Measurement of Constant Pattern EUT . 65
A.4.4 Measurement of Variable Pattern EUT . 66
A.5 Test Conditions, Power Supply and Ambient Temperatures . 66
A.5.1 General . 66
A.5.2 Power Sources . 66
A.5.2.1 Power Sources for Stand-Alone Equipment . 66
A.5.2.2 Power sources for plug-in radio devices . 67
A.5.3 Normal and Extreme Test Conditions . 67
A.5.3.1 Normal Test Conditions . 67
A.5.3.1.1 Normal Temperature and Humidity . 67
A.5.3.1.2 Normal Power Source . 67
A.5.3.1.2.1 Mains Voltage . 67
A.5.3.1.2.2 Lead-Acid Battery Power Sources used on Vehicles . 67
A.5.3.1.2.3 Other Power Sources . 67
A.5.3.2 Extreme Conditions . 67
A.5.3.2.1 Extreme Temperatures . 67
A.5.3.2.1.1 Procedure for Tests at Extreme Temperatures . 67
A.5.3.2.1.2 Extreme Temperature Ranges . 68
A.5.3.2.2 Extreme Test Source Voltages . 68
A.5.3.2.2.1 Mains Voltage . 68
A.5.3.2.2.2 Other Power Sources . 68
A.5.3.2.3 Radio Transparent Temperature Chamber . 68
A.5.3.2.4 Use of a Test Fixture . 68
A.5.3.2.4.1 General . 68
A.5.3.2.4.2 Characteristics . 69
A.5.3.2.4.3 Validation of the Test Fixture in the Temperature Chamber . 70
A.5.3.2.4.4 Use of the Test Fixture for Measurement in the Temperature Chamber . 71
A.6 Choice of Equipment for Test Suites . 71
A.6.1 Choice of Model . 71
A.6.2 Presentation . 71
A.7 Testing of Host Connected Equipment and Plug-In Radio Devices . 71
A.7.1 General . 71
A.7.2 The Use of a Host or Test Fixture for Testing Plug-In Radio Devices . 72
A.8 Interpretation of the measurement results . 72
A.8.1 General points on interpretation of the measurement results . 72
A.8.2 Measurement uncertainty is equal to or less than maximum acceptable uncertainty . 73
A.8.3 Measurement uncertainty is greater than maximum acceptable uncertainty . 73
Annex B (normative): Test setups . 74
B.1 Introduction . 74
B.2 Radiated measurements . 74
B.2.1 General . 74
B.2.2 Test Sites and General Arrangements for Measurements Involving the Use of Radiated Fields . 74
B.2.2.1 General . 74
B.2.2.2 Anechoic Chamber . 75
B.2.2.3 Anechoic Chamber with a Conductive Ground Plane . 76
B.2.2.4 Open Area Test Site (OATS) . 77
B.2.2.5 Test Antenna . 78
B.2.2.6 Substitution Antenna. 78
B.2.2.7 Measuring Antenna . 79
B.2.2.8 Minimum Requirements for Test Sites for Measurements above 18 GHz . 79
B.2.3 Guidance on the Use of a Radiation Test Site . 80
B.2.3.1 General on Guidance on the Use of a Radiation Test Site . 80
ETSI

---------------------- Page: 5 ----------------------
6 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)
B.2.3.2 Verification of the Test Site . 80
B.2.3.3 Preparation of the EUT . 80
B.2.3.4 Power Supplies to the EUT . 81
B.2.3.5 Range Length . 81
B.2.3.5.1 General . 81
B.2.3.5.2 Practical Test Distances for Accurate Measurements . 81
B.2.3.6 Site Preparation . 82
B.2.4 Coup
...

SLOVENSKI STANDARD
oSIST prEN 303 883-1 V1.2.0:2020
01-september-2020
Naprave kratkega dosega (SRD) in ultra širokopasovna (UWB) tehnologija - 1. del:
Merilne tehnike za zahteve oddajnika
Short Range Devices (SRD) and Ultra Wide Band (UWB) - Part 1: Measurement
techniques for transmitter requirements
Ta slovenski standard je istoveten z: ETSI EN 303 883-1 V1.2.0 (2020-07)
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
oSIST prEN 303 883-1 V1.2.0:2020 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 303 883-1 V1.2.0:2020

---------------------- Page: 2 ----------------------
oSIST prEN 303 883-1 V1.2.0:2020
Draft ETSI EN 303 883-1 V1.2.0 (2020-07)






EUROPEAN STANDARD
Short Range Devices (SRD) and
Ultra Wide Band (UWB);
Part 1: Measurement techniques
for transmitter requirements

---------------------- Page: 3 ----------------------
oSIST prEN 303 883-1 V1.2.0:2020
 2 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)



Reference
REN/ERM-TGUWB-149-1
Keywords
SRD, testing, UWB

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

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
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 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 4 ----------------------
oSIST prEN 303 883-1 V1.2.0:2020
 3 Draft ETSI EN 303 883-1 V1.2.0 (2020-07)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Introduction . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 15
3.3 Abbreviations . 16
4 Overview . 17
4.1 Info . 17
4.2 Basic information about UWB . 17
5 TX requirements . 17
5.1 General . 17
5.1.1 General Guidance on TX measurements . 17
5.1.2 Emission Concept . 18
5.1.2.1 General . 18
5.1.2.2 UWB - EUT . 18
5.2 Operating Frequency Range (OFR) . 19
5.2.1 Definition . 19
5.2.2 Conformance Test . 20
5.3 Radiated Power (RP) . 20
5.3.1 Mean e.i.r.p. . 20
5.3.1.1 Description . 20
5.3.1.2 Conformance . 20
5.3.1.3 Method with a Spectrum Analyser . 20
5.3.1.4 Method with an RMS Power Meter . 21
5.3.1.5 Method with a Peak Power Meter . 21
5.3.2 Mean e.i.r.p. Spectral Density . 22
5.3.2.1 Description . 22
5.3.2.2 Guidance for Mean e.i.r.p. Spectral Density Conformance Tests . 22
5.3.2.3 Mean e.i.r.p. Spectral Density, averaged over 1 ms . 22
5.3.2.4 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over 1 ms . 23
5.3.2.5 Mean e.i.r.p. Spectral Density, known signal repetition time, averaged over signal repetition time . 25
5.3.3 Peak e.i.r.p. . 26
5.3.3.1 Description . 26
5.3.3.2 Conformance . 26
5.3.3.3 Peak e.i.r.p.; Method with a Spectrum Analyser . 27
5.3.3.4 Peak e.i.r.p. Method with an RMS Power Meter. 27
5.3.3.5 Peak e.i.r.p. method with a Peak Power Meter . 27
5.3.4 Peak e.i.r.p. Spectral Density . 28
5.3.4.1 Description . 28
5.3.4.2 Peak e.i.r.p. Spectral Density, General Method . 28
5.3.4.3 Peak e.i.r.p. Spectral Density, Sparse Spectral Line Method . 30
5.4 Other Emissions (OE) . 30
5.5 TX Unwanted Emissions (TXUE) . 31
5.5.1 Description . 31
5.5.2 Limits for the TX Unwanted Emission . 32
5.5.3 General for Conformance Test TX Unwanted Emission . 32
5.5.3.1 General . 32
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5.5.3.2 Step 1: Measurement with Peak Detector . 32
5.5.3.3 Step 2: RMS Measurement . 33
5.6 Total Radiated Power (TRP) . 34
5.6.1 Description . 34
5.6.2 Conformance Test . 35
5.6.2.1 General . 35
5.6.2.2 TRP Conformance Assessment in steps: . 35
5.7 Indirect Emissions . 36
5.7.1 Description . 36
5.7.2 Guidance for Conformance Test . 40
5.8 Transmit Power Control . 40
5.8.1 Description . 40
5.8.2 Guidance for Conformance Test . 40
5.9 Detect and Avoid . 41
5.9.1 Description . 41
5.9.2 Limits . 41
5.9.2.1 DAA Parameters . 41
5.9.2.2 DAA NIM parameters . 42
5.9.2.3 DAA test parameters . 42
5.9.3 Conformance Test . 42
5.9.3.1 Introduction . 42
5.9.3.2 Initial Start-Up Test. 44
5.9.3.2.1 Start-up Procedure . 44
5.9.3.2.2 Test without a victim test signal during the Minimum Initial Channel Availability Check
Time, T . 44
avail_time_min
5.9.3.2.3 Test with a victim test signal at the beginning of the Minimum Initial Channel Availability
. 45
Check Time, Tavail_time_min
5.9.3.2.4 Test with a victim test signal at the end of the Minimum Initial Channel Availability Check
Time, T . 46
avail_time_min
5.9.3.3 In-Operation Test . 47
5.9.3.3.1 General Points for In-Operation Test . 47
5.9.3.3.2 In-Operation Test Procedure . 48
5.10 Listen Before Talk (LBT) . 49
5.10.1 Description . 49
5.10.2 Limits . 50
5.10.3 Conformance. 51
5.10.3.1 Measurement Procedure . 51
5.10.3.2 Test Set-Up . 51
5.10.3.3 Test Signal Definition for LBT Mechanism in Band 2 and 3 . 52
5.10.3.3.1 Band 2: Mobile Satellite Service (MSS) Test Signal. 52
5.10.3.3.2 Band 3: Land Mobile Service Test Signal . 52
5.10.3.4 Test Signal Definition for LBT Mechanism in Band 1 and 4 . 52
5.10.3.5 Conformance Test to Measure the Timing for LBT within bands 1 and 4 . 54
5.11 Duty Cycle. 55
5.11.1 Description . 55
5.11.2 Conformance. 55
5.11.2.1 Duty Cycle, Spectrum Analyser Method . 55
5.11.2.2 Duty Cycle, Oscilloscope Method . 56
5.11.2.3 Duty Cycle Measurement Methods for FMCW, stepped-frequency and Pulsed Systems . 58
5.11.2.3.1 General . 58
5.11.2.3.2 Method 1: Diode Power Detector . 58
5.11.2.3.3 Method 2: Spectrum Analyzer . 59
5.11.2.3.4 Method 3: Synchronized Spectrum Analysers. 60
5.11.2.4 Duty Cycle Measurement Methods within a frequency band for FMCW and stepped-frequency
systems . 61
5.11.2.4.1 General . 61
5.11.2.4.2 Synchronized Spectrum Analysers . 61
Annex A (normative): General Considerations and test conditions . 64
A.1 Overview . 64
A.2 Product Information . 64
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A.3 Guidance on EUT Modulation for Testing . 65
A.4 Requirements in Case of EUT with Scanning Antennas . 65
A.4.1 Classification . 65
A.4.2 Measurement of Fixed Beam EUT . 65
A.4.3 Measurement of Constant Pattern EUT . 65
A.4.4 Measurement of Variable Pattern EUT . 66
A.5 Test Conditions, Power Supply and Ambient Temperatures . 66
A.5.1 General . 66
A.5.2 Power Sources . 66
A.5.2.1 Power Sources for Stand-Alone Equipment . 66
A.5.2.2 Power sources for plug-in radio devices . 67
A.5.3 Normal and Extreme Test Conditions . 67
A.5.3.1 Normal Test Conditions . 67
A.5.3.1.1 Normal Temperature and Humidity . 67
A.5.3.1.2 Normal Power Source . 67
A.5.3.1.2.1 Mains Voltage . 67
A.5.3.1.2.2 Lead-Acid Battery Power Sources used on Vehicles . 67
A.5.3.1.2.3 Other Power Sources . 67
A.5.3.2 Extreme Conditions . 67
A.5.3.2.1 Extreme Temperatures . 67
A.5.3.2.1.1 Procedure for Tests at Extreme Temperatures . 67
A.5.3.2.1.2 Extreme Temperature Ranges . 68
A.5.3.2.2 Extreme Test Source Voltages . 68
A.5.3.2.2.1 Mains Voltage . 68
A.5.3.2.2.2 Other Power Sources . 68
A.5.3.2.3 Radio Transparent Temperature Chamber . 68
A.5.3.2.4 Use of a Test Fixture . 68
A.5.3.2.4.1 General . 68
A.5.3.2.4.2 Characteristics . 69
A.5.3.2.4.3 Validation of the Test Fixture in the Temperature Chamber . 70
A.5.3.2.4.4 Use of the Test Fixture for Measurement in the Temperature Chamber . 71
A.6 Choice of Equipment for Test Suites . 71
A.6.1 Choice of Model . 71
A.6.2 Presentation . 71
A.7 Testing of Host Connected Equipment and Plug-In Radio Devices . 71
A.7.1 General . 71
A.7.2 The Use of a Host or Test Fixture for Testing Plug-In Radio Devices . 72
A.8 Interpretation of the measurement results . 72
A.8.1 General points on interpretation of the measurement results . 72
A.8.2 Measurement uncertainty is equal to or less than maximum acceptable uncertainty . 73
A.8.3 Measurement uncertainty is greater than maximum acceptable uncertainty . 73
Annex B (normative): Test setups . 74
B.1 Introduction . 74
B.2 Radiated measurements . 74
B.2.1 General . 74
B.2.2 Test Sites and General Arrangements for Measurements Involving the Use of Radiated Fields . 74
B.2.2.1 General . 74
B.2.2.2 Anechoic Chamber . 75
B.2.2.3 Anechoic Chamber with a Conductive Ground Plane . 76
B.2.2.4 Open Area Test Site (OATS) . 77
B.2.2.5 Test Antenna . 78
B.2.2.6 Substitution Antenna. 78
B.2.2.7 Measuring Antenna . 79
B.2.2.8 Minimum Requirements for Test Sites for Measurements above 18 GHz . 79
B.2.3 Guidance on the Use of a Radiation Test Site . 80
B.2.3.1 General on Guidance on the Use of a Radiation Test Site . 80
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B.2.3.2 Verification of the Test Site . 80
B.2.3.3 Preparation
...