BS IEC/IEEE 63195-2:2022 BSl Standards Publication Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) Part 2: Computational procedure bsi. BSIEC/IEEE 63195-2:2022 IEC >IEEE IEC/IEEE63195-2 Edition 1.02022-05 INTERNATIONAL STANDARD NORME INTERNATIONALE colour nside Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 2: Computational procedure Evaluation de la densite de puissance de I'exposition humaine aux champs radiofrequences provenant de dispositifs sans fil a proximite immediate de la tete et du corps (plage de fréquences de 6 GHz a 300 GHz) - Partie 2: Procéedure de calcul INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 17.220.20 ISBN 978-2-8322-0184-8 Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agree. ?Registered trademarkofthe International Electrotechnical Commission Marque deposee de la Commission Electrotechnique Internationale BSIEC/IEEE 63195-2:2022 - 2 - IEC/IEEE 63195-2:2022@IEC/IEEE 2022 CONTENTS FOREWORD .6 INTRODUCTION. Scope. 1 .9 2 Normative references . .9 3 Terms and definitions .10 3.1 Exposure metrics and parameters 10 3.2 Spatial, physical, and geometrical parameters associated with exposure metrics.... 3.3 Test device technical operating and antenna parameters .13 3.4 Computational parameters . 13 3.5 Uncertainty parameters.. 14 4 Symbols and abbreviated terms.. 14 4.1 Symbols. 4.1.1 Physical quantities.. .14 4.1.2 Constants. .15 4.2 Abbreviated terms 15 5 Overview and application of this document .. 5.1 Overview of the numerical evaluation. .16 5.2 Applicationof this document 17 5.3 Stipulations ... 18 6 Requirements on the numerical software . 7 Model development and validation . .19 7.1 General... .19 7.2 Development of the numerical model of the DUT. .19 7.3 Power normalization ... .20 7.4 Requirements on the experimental test equipment for model validation. .22 7.4.1 General ....... 7.4.2 Ambient conditions and device holder... ..23 7.4.3 Power measurement. ..23 7.5 Testing configurations for the validation of the DUT model.. ..24 7.5.1 General .... ..24 7.5.2 Tests to be performed.. .24 7.5.3 Determining the validity of the DUT model. 7.5.4 Test reduction for additional DUTs Power density computation and averaging. 8 ..26 8.1 Evaluation surface. .26 8.2 Tests to be performed and DUT configurations 8.2.1 8.2.2 Devices with a single radiating element or with multiple elements that do not operate simultaneously ... ...27 8.2.3 Devices with antenna arrays or sub-arrays .27 8.2.4 Devices with multiple antennas or multiple transmitters . ....28 8.3 Considerations onthe evaluationsurface and dimensions of the computational domain .. ...29 8.4 Averaging of power density on an evaluation surface. ...29 8.4.1 General .29 8.4.2 Construction of the averaging area on an evaluation surface ... ..30