EN IEC 62232:2022/prA1:2023

Determination of RF field strength, power density and SAR in the vicinity of base stations for the purpose of evaluating human exposure

Bestimmung der HF-Feldstärke, der Leistungsdichte und der spezifischen Absorptionsrate (SAR) in der Nachbarschaft von Funkkommunikations-Basisstationen zur Ermittlung der menschlichen Exposition

Détermination de l'intensité du champ de radiofréquences, de la densité de puissance et du das à proximité des stations de base dans le but d'évaluer l'exposition humaine

Določitev RF poljske jakosti, gostote moči in SAR v okolici baznih postaj za namene ocenjevanja izpostavljenosti ljudi - Dopolnilo A1

General Information

• Status: Not Published
• Publication Date: 13-Jul-2025
• ICS: 13.280 - Radiation protection
• ICS: 17.240 - Radiation measurements
• Technical Committee: CLC/TC 106X - Electromagnetic fields in the human environment
• Current Stage: 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
• Start Date: 15-Mar-2024
• Completion Date: 15-Mar-2024
• Ref Project: SIST EN IEC 62232:2023/oprA1:2024 - Amendment 1 - Determination of RF field strength, power density and SAR in the vicinity of base stations for the purpose of evaluating human exposure

Relations

• Amends: EN IEC 62232:2022 - Determination of RF field strength, power density and SAR in the vicinity of base stations for the purpose of evaluating human exposure
• Effective Date: 10-Oct-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2024
Določitev RF poljske jakosti, gostote moči in SAR v okolici baznih postaj za
namene ocenjevanja izpostavljenosti ljudi - Dopolnilo A1
Amendment 1 - Determination of RF field strength, power density and SAR in the vicinity
of base stations for the purpose of evaluating human exposure
Bestimmung der HF-Feldstärke, der Leistungsdichte und der spezifischen
Absorptionsrate (SAR) in der Nachbarschaft von Funkkommunikations-Basisstationen
zur Ermittlung der menschlichen Exposition
Détermination de l'intensité du champ de radiofréquences, de la densité de puissance et
du das à proximité des stations de base dans le but d'évaluer l'exposition humaine
Ta slovenski standard je istoveten z: EN IEC 62232:2022/prA1:2023
ICS:
13.280 Varstvo pred sevanjem Radiation protection
17.240 Merjenje sevanja Radiation measurements
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

106/626/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62232/AMD1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-12-22 2024-03-15
SUPERSEDES DOCUMENTS:
106/621/RR
IEC TC 106 : METHODS FOR THE ASSESSMENT OF ELECTRIC, MAGNETIC AND ELECTROMAGNETIC FIELDS ASSOCIATED
WITH HUMAN EXPOSURE
SECRETARIAT: SECRETARY:
Germany Mr Alexander Prokop
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 9,TC 27,TC 29,TC 34,SC 62A,SC 62B,TC
69,TC 77,TC 78,TC 96,TC 100,TC 124,CISPR
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Amendment 1 - Determination of RF field strength, power density and SAR in the vicinity of
base stations for the purpose of evaluating human exposure

PROPOSED STABILITY DATE: 2029
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

IEC 62232/AMD1 ED3 © IEC 2023 – 2 – 106/626/CDV
NOTE FROM TC/SC OFFICERS:
For convenience of the readers the CDV is submitted as redline version without technical changes.
MT3 expects no technical comments as mentioned in 106/608/Q such that this draft can be directly go
to publication. Publication is intended not as redline but as clean version.

IEC 62232/AMD1 ED3 © IEC 2023 – 3 – 106/626/CDV
1 CONTENTS
3 FOREWORD. 13
4 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5 1  Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 2  Normative references . 17
7 3  Terms and definitions . 17
8 4  Symbols and abbreviated terms . 32
9 4.1  Physical quantities . . 32
10 4.2  Constants . 33
11 4.3  Abbreviated terms . 33
12 5  How to use this document . 37
13 5.1  Quick start guide . 37
14 5.2  RF evaluation purpose categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
15 5.3  Implementation case studies . 39
16 6  Evaluation processes for product compliance, product installation compliance and
17 in-situ RF exposure assessments . 39
18 6.1  Evaluation process for product compliance . 39
19 6.2  Evaluation process used for product installation compliance . 47
20 6.3  In-situ RF exposure evaluation or assessment process . 60
21 6.4  Averaging procedures . . 64
22 7  Determining the evaluation method . 64
23 7.1  Overview . 64
24 7.2  Process to determine the evaluation method . 64
25 8  Evaluation methods . 68
26 8.1  General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
27 8.2  Measurement methods . 68
28 8.3  Computation methods . 70
29 8.4  Methods for assessment based on actual maximum approach . 72
30 8.5  Methods for the assessment of RF exposure to multiple sources . 73
31 8.6  Methods for establishing the BS transmitted power or EIRP . 75
32 9  Uncer ta in ty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
33 10  Reporting . 76
34 10.1  Gene ral r e quir e ments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
35 10.2  Report format . 76
36 10.3  Opinions and interpretations . . . . . . . . . . . . . . . . . . . . . . . . . 77
37 Annex A (informative) Source-environment plane and guidance on the evaluation
38 method selection . 79
39 A.1  Guidance on the source-environment plane . 79
40 A.2  Select between computation or measurement approaches . . 86
41 A.3  Select measurement method . 87
42 A.4  Select computation method . 90
43 A.5  Additional considerations . 91
44 Annex B (normative)  Evaluation methods . 92
45 B.1  Overview . 92
46 B.2  General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
47 B.3  RF exposure evaluation principles . 94
48 B.4  RF field strength and power density measurements . . 104

IEC 62232/AMD1 ED3 © IEC 2023 – 4 – 106/626/CDV
49 B.5  SAR measurements . 129
50 B.6  Basic computation methods . 140
51 B.7  Advanced computation methods . 158
52 B.8  Extrapolation from the evaluated values to the maximum or actual values . 178
53 B.9  Guidance for implementing the actual maximum approach . . 184
54 B.10  Transmitted power or EIRP evaluation . 191
55 Annex C (informative)  Guidelines for the validation of power or EIRP control features
56 and monitoring counter(s) related to the actual maximum approach . 194
57 C.1  Overview . 194
58 C.2  Guidelines for validating control feature(s) and monitoring counters . 194
59 C.3  Validation of power or EIRP monitoring counter in laboratory conditions . . 195
60 C.4  Validation test report . 205
61 C.5  Case studies . 206
62 Annex D (informative)  Rationale supporting simplified product installation criteria . 218
63 D.1  General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
64 D.2  Class E2 . 218
65 D.3  Class E10 . 219
66 D.4  Class E100 . 219
67 D.5  Class E+ . 222
68 D.6  Simplified formulas for millimetre-wave antennas using massive MIMO or
69 beam steering . . 223
70 Annex E (informative)  Technology-specific exposure evaluation guidance . 225
71 E.1  Overview to guidance on specific technologies . 225
72 E.2  Summary of technology-specific information . 225
73 E.3  Guidance on spectrum analyser settings . . 226
74 E.4  Stable transmitted power signals . . 230
75 E.5  WCDMA measurement and calibration using a code domain analyser . . 232
76 E.6  Wi-Fi measurements . 235
77 E.7  LTE measurements . 238
78 E.8  NR BS measurements . 248
79 E.9  Establishing compliance boundaries using numerical simulations of MIMO
80 array antennas emitting correlated waveforms . . 258
81 E.10  Massive MIMO antennas . 260
82 Annex F (informative)  Guidelines for the assessment of BS compliance with ICNIRP-
83 2020 brief exposure limits . 278
84 F.1  General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
85 F.2  Brief exposure limits . 278
86 F.3  Implications of brief exposure limits on signal modulation and TDD duty
87 cyc le . 280
88 F.4  Implications of brief exposure limits on the actual maximum approach . 280
89 Annex G (informative)  Uncertainty . 285
90 G.1  Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
91 G.2
...