IEC 62209-1-2016 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communica.pdf

1、 IEC 62209-1 Edition 2.0 2016-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices Part 1: Devices used next to the ear (Frequency

2、 range of 300 MHz to 6 GHz) Procdure de mesure pour lvaluation du dbit dabsorption spcifique de lexposition humaine aux champs radiofrquences produits par les dispositifs de communications sans fil tenus la main ou ports prs du corps Partie 1: Dispositifs utiliss proximit de loreille (Plage de frque

3、nces de 300 MHz 6 GHz) IEC 62209-1:2016-07(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechan

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20、ents - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62209-1 Edition 2.0 2016-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Measurement procedure for the assessment of specific absorption rate of hu

21、man exposure to radio frequency fields from hand-held and body-mounted wireless communication devices Part 1: Devices used next to the ear (Frequency range of 300 MHz to 6 GHz) Procdure de mesure pour lvaluation du dbit dabsorption spcifique de lexposition humaine aux champs radiofrquences produits

22、par les dispositifs de communications sans fil tenus la main ou ports prs du corps Partie 1: Dispositifs utiliss proximit de loreille (Plage de frquences de 300 MHz 6 GHz) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 33.060.20 ISBN 978-2-8322-3500-3 Regist

23、ered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distribut

24、eur agr. colour inside 2 IEC 62209-1:2016 IEC 2016 CONTENTS FOREWORD. 11 INTRODUCTION . 13 1 Scope 14 2 Normative references 14 3 Terms and definitions 14 4 Symbols and abbreviations 19 4.1 Physical quantities 19 4.2 Constants . 20 4.3 Abbreviations 20 5 Measurement system specifications . 20 5.1 Ge

25、neral requirements 20 5.2 Phantom specifications (shell and liquid) . 22 5.3 Hand and device holder considerations 23 5.4 Scanning system requirements 23 5.5 Device holder specifications 23 5.6 Characteristics of the readout electronics 24 6 Protocol for SAR assessment . 24 6.1 General . 24 6.2 Meas

26、urement preparation 24 6.2.1 Preparation of tissue-equivalent liquid and system check 24 6.2.2 Preparation of the wireless device under test (DUT) 25 6.2.3 Operating modes . 26 6.2.4 Positioning of the DUT in relation to the phantom . 27 6.2.5 Test frequencies for DUT . 34 6.3 Tests to be performed

27、 34 6.4 Measurement procedure 36 6.4.1 General . 36 6.4.2 General procedure . 37 6.4.3 SAR measurements of handsets with multiple antennas or multiple transmitters 39 6.5 Post-processing of SAR measurement data . 45 6.5.1 Interpolation . 45 6.5.2 Extrapolation . 46 6.5.3 Definition of the averaging

28、 volume 46 6.5.4 Searching for the maxima . 46 6.6 Fast SAR testing . 46 6.6.1 General . 46 6.6.2 Fast SAR measurement procedure A 47 6.6.3 Fast SAR testing of required frequency bands 49 6.6.4 Fast SAR measurement procedure B 50 6.7 SAR test reduction 52 6.7.1 General requirements . 52 6.7.2 Test r

29、eduction for different operating modes in the same frequency band using the same wireless technology . 53 6.7.3 Test reduction based on characteristics of DUT design . 54 6.7.4 Test reduction based on SAR level analysis 55 IEC 62209-1:2016 IEC 2016 3 6.7.5 Test reduction based on simultaneous multi-

30、band transmission considerations . 57 7 Uncertainty estimation . 58 7.1 General considerations 58 7.1.1 Concept of uncertainty estimation . 58 7.1.2 Type A and Type B evaluation 59 7.1.3 Degrees of freedom and coverage factor 59 7.2 Components contributing to uncertainty . 60 7.2.1 General . 60 7.2.

31、2 Calibration of the SAR probes 60 7.2.3 Contribution of mechanical constraints . 65 7.2.4 Phantom shell 66 7.2.5 Device positioning and holder uncertainties 67 7.2.6 Tissue-equivalent liquid parameter uncertainty . 69 7.2.7 Uncertainty in SAR correction for deviations in permittivity and conductivi

32、ty 72 7.2.8 Measured SAR drift 74 7.2.9 RF ambient conditions 75 7.2.10 Contribution of post-processing 76 7.2.11 SAR scaling uncertainty . 81 7.2.12 Deviation of experimental sources 82 7.2.13 Other uncertainty contributions when using system validation sources 82 7.3 Calculation of the uncertainty

33、 budget . 83 7.3.1 Combined and expanded uncertainties . 83 7.3.2 Maximum expanded uncertainty . 83 7.4 Uncertainty of fast SAR methods based on specific measurement procedures and post-processing techniques 92 7.4.1 General . 92 7.4.2 Measurement uncertainty evaluation. 92 8 Measurement report 101

34、8.1 General . 101 8.2 Items to be recorded in the measurement report 101 Annex A (normative) Phantom specifications 104 A.1 Rationale for the SAM phantom shape . 104 A.2 SAM phantom specifications 104 A.2.1 General . 104 A.2.2 Phantom shell 108 A.3 Flat phantom specifications . 110 A.4 Tissue-equiva

35、lent liquids . 111 Annex B (normative) Calibration and characterization of dosimetric probes . 113 B.1 Introductory remarks . 113 B.2 Linearity 114 B.3 Assessment of the sensitivity of the dipole sensors 114 B.3.1 General . 114 B.3.2 Two-step calibration procedures . 114 B.3.3 One step calibration p

36、rocedures . 120 B.3.4 Coaxial calorimeter method 124 B.4 Isotropy 126 B.4.1 Axial isotropy . 126 4 IEC 62209-1:2016 IEC 2016 B.4.2 Hemispherical isotropy . 126 B.5 Lower detection limit . 131 B.6 Boundary effects . 131 B.7 Response time 131 Annex C (normative) Post-processing techniques . 132 C.1 Ex

37、trapolation and interpolation schemes 132 C.1.1 Introductory remarks 132 C.1.2 Interpolation schemes 132 C.1.3 Extrapolation schemes . 132 C.2 Averaging scheme and maximum finding . 132 C.2.1 Volume average schemes 132 C.2.2 Extrude method of averaging 132 C.2.3 Maximum peak SAR finding and uncertai

38、nty estimation . 133 C.3 Example implementation of parameters for scanning and data evaluation . 133 C.3.1 General . 133 C.3.2 Area scan measurement requirements 133 C.3.3 Zoom scan . 133 C.3.4 Extrapolation . 134 C.3.5 Interpolation . 134 C.3.6 Integration . 134 Annex D (normative) SAR measurement

39、system verification . 135 D.1 Overview 135 D.2 System check 135 D.2.1 Purpose . 135 D.2.2 Phantom set-up 136 D.2.3 System check source . 136 D.2.4 System check source input power measurement . 137 D.2.5 System check procedure 138 D.3 System validation 139 D.3.1 Purpose . 139 D.3.2 Phantom set-up 139

40、 D.3.3 System validation sources 139 D.3.4 Reference dipole input power measurement . 140 D.3.5 System validation procedure 140 D.3.6 Numerical target SAR values 141 D.4 Fast SAR method system validation and system check 144 D.4.1 General . 144 D.4.2 Fast SAR method system validation 144 D.4.3 Fast

41、SAR method system check . 145 Annex E (normative) Interlaboratory comparisons . 146 E.1 Purpose 146 E.2 Phantom set-up . 146 E.3 Reference wireless handsets . 146 E.4 Power set-up . 146 E.5 Interlaboratory comparison Procedure 147 Annex F (informative) Definition of a phantom coordinate system and a

42、 device under test coordinate system 148 Annex G (informative) SAR system validation sources 150 IEC 62209-1:2016 IEC 2016 5 G.1 Standard dipole source . 150 G.2 Standard waveguide source 151 Annex H (informative) Flat phantom . 153 Annex I (informative) Example recipes for phantom head tissue-equiv

43、alent liquids 156 I.1 Overview 156 I.2 Ingredients 156 I.3 Tissue-equivalent liquid formulas (permittivity/conductivity) 157 Annex J (informative) Measurement of the dielectric properties of liquids and uncertainty estimation . 160 J.1 Introductory remarks . 160 J.2 Measurement techniques . 160 J.2.

44、1 General . 160 J.2.2 Instrumentation 160 J.2.3 General principles 160 J.3 Slotted coaxial transmission line 161 J.3.1 General . 161 J.3.2 Equipment set-up . 161 J.3.3 Measurement procedure . 161 J.4 Contact coaxial probe 162 J.4.1 General . 162 J.4.2 Equipment set-up . 162 J.4.3 Measurement procedu

45、re . 164 J.5 TEM transmission line . 164 J.5.1 General . 164 J.5.2 Equipment set-up . 164 J.5.3 Measurement procedure . 165 J.6 Dielectric properties of reference liquids 166 Annex K (informative) Measurement uncertainty of specific fast SAR methods and fast SAR examples . 169 K.1 General . 169 K.2

46、Measurement uncertainty evaluation 169 K.2.1 General . 169 K.2.2 Probe calibration and system calibration drift 170 K.2.3 Isotropy . 170 K.2.4 Sensor positioning uncertainty 171 K.2.5 Sensor location sensitivity 171 K.2.6 Mutual sensor coupling 172 K.2.7 Sensor coupling with the DUT 172 K.2.8 Measur

47、ement system immunity / secondary reception . 172 K.2.9 Deviations in phantom shape 172 K.2.10 Spatial variation in dielectric parameters 173 K.3 Fast SAR examples . 178 K.3.1 General . 178 K.3.2 Example 1: Tests for one frequency band and mode . 179 K.3.3 Example 2: Tests over multiple frequency ba

48、nds and modes . 183 K.3.4 Example 3: Tests for one frequency band and mode (Procedure B) . 186 K.3.5 Example 4: Tests over multiple frequency bands and modes (Procedure B) 190 Annex L (informative) SAR test reduction supporting information 194 6 IEC 62209-1:2016 IEC 2016 L.1 General . 194 L.2 Test r

49、eduction based on characteristics of DUT design 194 L.2.1 General . 194 L.2.2 Statistical analysis overview . 194 L.2.3 Analysis results 195 L.2.4 Conclusions . 198 L.2.5 Expansion to multi transmission antennas 198 L.2.6 Test reduction based on analysis of SAR results on other signal modulations . 198 L.3 Test reduction based on SAR level analysis . 200 L.3.1 General . 200 L.3.2 Statistical analysis . 201 L.3.3 Test reduction