Report ITU-R SM.2303-4
Policy on Intellectual Property Right (IPR)
1 Introduction
2 Applications developed for use of WPT technologies
2.1 Portable and mobile devices
2.1.1 Inductive WPT for mobile devices such as cellular
phones and portable multimedia devices
2.1.2 Resonant WPT for mobile devices such as cellular
phones and portable multimedia devices such as smartphones, tablets, portable
multimedia devices
2.2 Home appliance and logistics applications
2.2.1 Home appliances
2.2.2 Logistics applications
2.3 Electric vehicle
3 Technologies employed in or incidental to WPT applications
3.1 For portable and mobile devices
3.1.1 Magnetic induction WPT technology
3.1.2 Magnetic resonance WPT technology
3.1.3 Capacitive coupling WPT
3.2 For home appliances
3.3 For electrical vehicles
3.4 For Robot and AGVs
3.4.1 3.3 kW Single-side wireless charging transceiver
coil technology
3.4.2 3.3 kW class single-side wireless charging
transceiver module technology
4 WPT’s standardization situation in the world
4.1 National standards development organizations
4.1.1 China
4.1.2 Japan
4.1.3 Korea
4.2 International and regional organizations
4.2.1 Not Used
4.2.2 Information on human exposure to EMF
4.2.3 EMF measurement results
5 Status of spectrum
5.1 WPT, distinction between ISM and short range device RF bands
5.2 Non-ISM bands used on a national basis for WPT
5.2.1 Magnetic induction
5.2.2 High power magnetic induction
5.2.3 Capacitive coupling
5.2.4 Electric passenger vehicles
5.2.5 Heavy duty electric vehicles
5.3 ISM bands used on a national basis for WPT
5.3.1 Magnetic resonance
6 Examples of national regulations
6.1 In Korea
6.2 In Japan
6.2.1 Frequency ranges and emission limits
6.2.2 RF exposure assessment
6.3 In China
7 Impact studies between WPT and radiocommunication services
7.1 Study results and ongoing activities in some administrations
7.1.1 Japan
7.1.2 Korea
7.1.3 Germany
7.2 Generic WPT studies and results on the impact to broadcasting
services
7.2.1 Analysis of the impact of WPT systems to
broadcasting services
7.2.2 Japan's study on the impact to and compatibility
with broadcasting services in urban and suburban areas
7.3 Frequency ranges 100/110-300 kHz for WPT
7.4 Frequency range 300-405 kHz for WPT for mobile and
portable devices
7.5 Frequency range 1 700-1 800 kHz for WPT for
mobile and portable devices
7.6 Frequency range 2 000-2 170 kHz for WPT for mobile
and portable devices
7.7 Frequency range 6 765-6 795 kHz for WPT
7.8 Impact to the standard frequency and time signal services
7.9 CEPT experiences to protect services from the emissions of
inductive SRDs
8 Summary
9 References
Annex 1 Guidance on RF exposure assessment in various organizations and
administrations
Annex 2 Example of the use of the 6 765-6 795 kHz ISM band to
charge mobile devices
Annex 3 Measurement data of radiated noise and conductive noise from WPT
systems
1 Introduction
2 Measurement models and measurement methods
2.1 WPT system for EV charging
2.2 Mobile devices, portable devices, and home appliances
3 Target radiation emission limit set by BWF
3.1 Limit for WPT system for EV charging
3.2 Limit for mobile and portable devices using magnetic resonance
technology
3.3 Limit for home appliances using magnetic inductive technology
3.4 Limit for mobile and portable devices using capacitive coupling
technology
4 Measurement results of radiated noise and conductive noise
4.1 WPT system for EV charging
4.2 Mobile and portable devices using magnetic resonance technology
4.3 Home appliances using magnetic inductive technology
4.4 Mobile and portable devices using capacitive coupling
technology
Annex 4 Not used