ДСТУ EN 62209-1:2022 Процедура измерения оценки удельной скорости поглощения радиочастотных полей человека от ручных и нательных устройств беспроводной связи. Часть 1. Устройства, используемые у уха (диапазон...



ДСТУ EN 62209-1:2022
(EN 62209-1:2016, IDT; IEC 62209-1:2016, IDT)

Процедура вимірювання для оцінювання питомої швидкості поглинання
радіочастотних полів людини від ручних і натільних пристроїв бездротового зв’язку.
Частина 1. Пристрої, що використовують біля вуха (діапазон частот від 300 МГц до 6 ГГц)

 
   
 
 
     
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviations

4.1 Physical quantities

4.2 Constants

4.3 Abbreviations

5 Measurement system specifications

5.1 General requirements

5.2 Phantom specifications (shell and liquid)

5.3 Hand and device holder considerations

5.4 Scanning system requirements

5.5 Device holder specifications

5.6 Characteristics of the readout electronics

6 Protocol for SAR assessment

6.1 Genera

6.2 Measurement preparation

6.2.1 Preparation of tissue-equivalent liquid and system check

6.2.2 Preparation of the wireless device under test (DUT)

6.2.3 Operating modes

6.2.4 Positioning of the DUT in relation to the phantom

6.2.5 Test frequencies for DUT

6.3 Tests to be performed

6.4 Measurement procedure

6.4.1 General

6.4.2 General procedure

6.4.3 SAR measurements of handsets with multiple antennas or multiple transmitters

6.5 Post-processing of SAR measurement data

6.5.1 Interpolation

6.5.2 Extrapolation

6.5.3 Definition of the averaging volume

6.5.4 Searching for the maxima

6.6 Fast SAR testing

6.6.1 Genera

6.6.2 Fast SAR measurement procedure A

6.6.3 Fast SAR testing of required frequency bands

6.6.4 Fast SAR measurement procedure В

6.7 SAR test reduction

6.7.1 General requirements

6.7.2 Test reduction for different operating modes in the same frequency

band using the same wireless technology

6.7.3 Test reduction based on characteristics of DUT design

6.7.4 Test reduction based on SAR level analysis

6.7.5 Test reduction based on simultaneous multi-band transmission considerations

7 Uncertainty estimation

7.1 General considerations

7.1.1 Concept of uncertainty estimation

7.1.2 Type A and Type В evaluation

7.1.3 Degrees of freedom and coverage factor

7.2 Components contributing to uncertainty

7.2.1 General

7.2.2 Calibration of the SAR probes

7.2.3 Contribution of mechanical constraints

7.2.4 Phantom shell66

7.2.5 Device positioning and holder uncertainties

7.2.6 Tissue-equivalent liquid parameter uncertainty

7.2.7 Uncertainty in SAR correction for deviations in permittivity and conductivity

7.2.8 Measured SAR drift

7.2.9 RF ambient conditions

7.2.10 Contribution of post-processing

7.2.11 SAR scaling uncertainty

7.2.12 Deviation of experimental sources

7.2.13 Other uncertainty contributions when using system validation sources

7.3 Calculation of the uncertainty budget

7.3.1 Combined and expanded uncertainties

7.3.2 Maximum expanded uncertainty

7.4 Uncertainty of fast SAR methods based on specific measurement procedures and post-processing techniques

7.4.1 General

7.4.2 Measurement uncertainty evaluation

8 Measurement report

8.1 General101

8.2 Items to be recorded in the measurement report

Annex A (normative) Phantom specifications

A.1 Rationale for the SAM phantom shape

A.2 SAM phantom specifications

A.2.1 General

A.2.2 Phantom shell

A.3 Flat phantom specifications

A.4 Tissue-equivalent liquids

Annex В (normative) Calibration and characterization of dosimetric probes

B.1 Introductory remarks

B.2 Linearity1

B.3 Assessment of the sensitivity of the dipole sensors

B.3.1 General

B.3.2 Two-step calibration procedures

B.3.3 One step calibration procedures

B.3.4 Coaxial calorimeter method

B.4 Isotropy

B.4.1 Axial isotropy

B.4.2 Hemispherical isotropy

В.5 Lower detection limit

В.6 Boundary effects

B.7 Response time

Annex C (normative) Post-processing techniques

C.1 Extrapolation and interpolation schemes

C.1.1 Introductory remarks

C.1.2 Interpolation schemes

C.1.3 Extrapolation schemes

C.2 Averaging scheme and maximum finding

C.2.1 Volume average schemes

C.2.2 Extrude method of averaging

C.2.3 Maximum peak SAR finding and uncertainty estimation

C.3 Example implementation of parameters for scanning and data evaluation

C.3.1 General

C.3.2 Area scan measurement requirements

C.3.3 Zoom scan

C.3.4 Extrapolation

C.3.5 Interpolation

C.3.6 Integration

Annex D (normative) SAR measurement system verification

D.1 Overview

D.2 System check

D.2.1 Purpose

D.2.2 Phantom set-up

D.2.3 System check source

D.2.4 System check source input power measurement

D.2.5 System check procedure

D.3 System validation

D.3.1 Purpose

D.3.2 Phantom set-up

D.3.3 System validation sources

D.3.4 Reference dipole input power measurement

D.3.5 System validation procedure

D.3.6 Numerical target SAR values

D.4 Fast SAR method system validation and system check

D.4.1 General

D.4.2 Fast SAR method system validation

D.4.3 Fast SAR method system check

Annex E (normative) Interlaboratory comparisons

E.1 Purpose

E.2 Phantom set-up

E.3 Reference wireless handsets

E.4 Power set-up

E.5 Interlaboratory comparison - Procedure

Annex F (informative) Definition of a phantom coordinate system and a device under test coordinate system

Annex G (informative) SAR system validation sources

G.1 Standard dipole source

G.2 Standard waveguide source

Annex H (informative) Flat phantom

Annex I (informative) Example recipes for phantom head tissue-equivalent liquids

1.1 Overview

1.2 Ingredients

1.3 Tissue-equivalent liquid formulas (permittivity/conductivity)

Annex J (informative) Measurement of the dielectric properties of liquids and uncertainty estimation

J.1 Introductory remarks

J.2 Measurement techniques

J.2.1 General

J.2.2 Instrumentation

J.2.3 General principles

J.3 Slotted coaxial transmission line

J.3.1 General

J.3.2 Equipment set-up

J.3.3 Measurement procedure

J.4 Contact coaxial probe

J.4.1 General

J.4.2 Equipment set-up

J.4.3 Measurement procedure

J.5 ТЕМ transmission line

J.5.1 General

J.5.2 Equipment set-up

J.5.3 Measurement procedure165

J.6 Dielectric properties of reference liquids

Annex К (informative) Measurement uncertainty of specific fast SAR methods and fast SAR examples

K.1 General

K.2 Measurement uncertainty evaluation

K. 2.1 General

K.2.2 Probe calibration and system calibration drift

K.2.3 Isotropy

K.2.4 Sensor positioning uncertainty

K.2.5 Sensor location sensitivity

K.2.6 Mutual sensor coupling

K.2.7 Sensor coupling with the DUT

K.2.8 Measurement system immunity / secondary reception

K.2.9 Deviations in phantom shape

K.2.10 Spatial variation in dielectric parameters

K.3 Fast SAR examples

K.3.1 General

K.3.2 Example 1: Tests for one frequency band and mode

K.3.3 Example 2: Tests over multiple frequency bands and modes

K.3.4 Example 3: Tests for one frequency band and mode (Procedure B)

K.3.5 Example 4: Tests over multiple frequency bands and modes (Procedure B)

Annex L (informative) SAR test reduction supporting information

L.1 General

L.2 Test reduction based on characteristics of DLIT design

L.2.1 General

L.2.2 Statistical analysis overview

L.2.3 Analysis results

L.2.4 Conclusions

L.2.5 Expansion to multi transmission antennas

L.2.6 Test reduction based on analysis of SAR results on other signal modulations

L.3 Test reduction based on SAR level analysis

L.3.1 General

L.3.2 Statistical analysis201

L.3.3 Test reduction applicability example

L.4 Other statistical approaches to search for the high SAR test conditions

L.4.1 General

L.4.2 Test reductions based on a design of experiments (DOE)

L.4.3 Analysis of unstructured data

Annex M (informative) Applying the head SAR test procedures

Annex N (informative) Studies for potential hand effects on head SAR

N.1 Overview

N.2 Background

N.2.1 General

N.2.2 Hand phantoms

N.3 Summary of experimental studies

N.3.1 General

N.3.2 Experimental studies using fully compliant SAR measurement systems

N.3.3 Experimental studies using other SAR measurement systems

N.4 Summary of computational studies

N.5 Conclusions

Annex О (informative) Quick start guide

O.1 General

O.2 Quick start guide high level flow-chart

Bibliography