Supplement 32 to ITU-T K-series Recommendations (06/2024) Case studies of radio frequency-electromagnetic field (RF-EMF) assessment
Summary
History
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Supplement
4 Abbreviations and acronyms
5 Conventions
6 Overview of case studies
7 Case study of RF-EMF compliance assessment of a 5G mMIMO macro BS site
     7.1 RF exposure compliance evaluation process
     7.2 RF exposure compliance evaluation
8 Case study of RF-EMF compliance assessment of a 5G small cell site
     8.1 Small cell configuration
     8.2 Compliance evaluation process
     8.3 RF exposure compliance evaluation
9 5G mMIMO macro BSs of the three operators
     9.1 General description
     9.2 Measurement implementation
          9.2.1 Evaluation process
          9.2.2 Methodology
          9.2.3 Measurement layout
          9.2.4 Reporting
     9.3 Measurement results
          9.3.1 Case studies for high-speed application scenarios
               9.3.1.1 High-speed case for China Telecom's 5G mMIMO BS
               9.3.1.2 High-speed case for China Unicom's 5G mMIMO BS
               9.3.1.3 High-speed case for the shared 5G mMIMO BS by China Telecom and China Unicom
               9.3.1.4 High-speed case for China Mobile's 5G BS
          9.3.2 Case studies for medium-speed application scenarios
               9.3.2.1 Medium-speed case for China Telecom's 5G mMIMO BS
               9.3.2.2 Medium-speed case for China Unicom's 5G mMIMO BS
               9.3.2.3 Medium-speed case for China Mobile's 5G mMIMO BS
          9.3.3 Case studies for low-speed application scenarios (common and daily application scenarios)
               9.3.3.1 Low-speed case for China Telecom's 5G mMIMO BS
               9.3.3.2 Low-speed case for China Unicom's 5G mMIMO BS
               9.3.3.3 Low-speed case for China Mobile's 5G mMIMO BS
          9.3.4 Case analysis
     9.4 Conclusion
10 National survey in Uganda
     10.1 Measurements of the RF EMF exposure levels
     10.2 Face to face interviews
     10.3 Implementation of recommendations from the national survey
11 The 5G mmWave RF-EMF exposure level test based OTA
     11.1 Methodology
     11.2 5G mmWave EMF test environment
     11.3 Measured 5G mmWave AAU base station parameters
     11.4 Testing power configuration of the measured 5G mmWave AAU3
     11.5 Test points setup and distribution
     11.6 Test procedure
     11.7 mmWave beam RF-EMF exposure level measurement results
     11.8 Analysis of measurement results
     11.9  Conclusion
12 Case study of 5G-NR BS EMF measurement by applying the zero-span and code select method
     12.1 Background
     12.2  RF-EMF measurement method of 5G-NR BS
     12.3 Measurement method of SSB level
     12.4 RF-EMF measurement results for 5G-NR BS in Korea
     12.5 Comparative analysis of RF-EMF according to SSB measurement method
     12.6 Summary
13 Case study on in-situ RF-EMF exposure assessment of a 5G mMIMO macro BS using the broadband method
     13.1 Introduction
     13.2 Testing approach
     13.3 Location and EUT
     13.4 Methodology
     13.5 Equipment used
     13.6 Measurement duration
     13.7 Measurement layout
     13.8 Technical outcome
     13.9 Non-specific BS load profile measurements
     13.10 Typical BS load profile measurements
     13.11 High BS load profile measurements
     13.12 Uncertainty budget
     13.13 Conclusions
Appendix I  Technical information supporting the case study on a  5G macro BS site with massive MIMO in-situ RF exposure assessment
     I.1 Description of the in-situ RF exposure measurement method for 5G mMIMO BS
          I.1.1 Environmental conditions for measurement
          I.1.2 General requirements for measurement instrument
          I.1.3 Specifications of the measurement instrument
          I.1.4 Information collection
          I.1.5 Measurement factor
          I.1.6 Measurement point selection
          I.1.7 Measurement height
          I.1.8 Measurement of working conditions and 5G user equipment
          I.1.9 Measurement readings
          I.1.10 Information record
          I.1.11 Measurement quality assurance
     Ⅰ.2 Application scenarios selection
          I.2.1 High-speed downlink scenarios
          I.2.2 Medium-speed downlink scenarios
          I.2.3 Low-speed downlink scenarios (common and daily application scenarios)
     I.3 Comparison of the RF exposure limits of 5G wireless networks
     I.4 Basic information record form
     I.5 Measurement result record form
     I.6 5G base stations installation reference
          I.6.1 Single pole stations
          I.6.2 House roof station
Bibliography