Policy on Intellectual Property Right (IPR)
1 Introduction
2 Technical characteristics and protection requirements of radio services
3 System characteristics of WPT-EV applications
3.1 Radio characteristics of WPT-EV
3.2 19-21 kHz/55-65 kHz WPT-EV usage scenario
3.3 79-90 kHz WPT-EV usage scenario
3.3.1 Brief Explanation of WPT systems being standardized
by SDOs
3.3.2 Estimations of growth of the number of WPT-EV
systems
3.4 Estimated activity factor per charging pad
4 Summary of the studies on the impact of WPT-EV on radiocommunication
services
4.1 Impact studies for WPT-EV operating in the 19-21 kHz
frequency range
4.1.1 Impact studies on standard frequency and time
signal service
4.1.2 Impact studies on ripple control
4.1.3 Impact studies on train protection automatic
warning systems
4.1.4 Impact studies on maritime radio
4.1.5 Impact studies on AM sound broadcasting
4.1.6 Impact studies on Amateur Radio
4.1.7 Study on the impact of WPT-EV to Aeronautical
Service
4.1.8 Study on the impact of WPT-EV to lightning
detection systems
4.1.9 Study on the impact of WPT-EV to maritime mobile
service
4.2 Impact studies for WPT-EV operating in the 55-65 kHz
frequency range
4.2.1 Impact studies on the standard frequency and time
signal (SFTS) service
4.2.2 Impact studies on ripple control
4.2.3 Impact studies on train protection automatic
warning systems
4.2.4 Impact studies on maritime radio including
navigation system
4.2.5 Impact studies on AM sound broadcasting
4.2.6 Impact studies on Amateur Radio
4.3 Impact studies for WPT-EV operating in the 79-90 kHz
frequency range
4.3.1 Impact studies to standard frequency and time
signal service
4.3.2 Impact to specific railway radiocommunication
system
4.3.3 Impact studies to maritime radio including
navigation system
4.3.4 Impact studies to AM sound broadcasting
4.3.5 Impact studies for the amateur service
4.3.6 Impact study for Differential GPS
4.3.7 Impact study for Non-Directional Beacons
4.4 Limits of WPT-EV radiated emission for the protection of AM
broadcasting
4.5 Impact of spurious and harmonic radiated emissions on the
amateur service and relevant protection requirements
5 Harmonization and mitigation measures to minimize the impact of WPT-EV
on the radiocommunication services
5.1 Global harmonization
5.2 Mitigation measures
5.2.1 Mitigation Strategies to reduce the impact on the
broadcasting service
5.2.2 Other factors
6 Conclusions
Annex 1 Technical characteristics and protection requirements of
radiocommunication services for use in WPT-EV impact studies
A1.1 Maritime services
A1.2 Amateur Service
A1.3 Standard Frequency and Time Signal Service
A1.4 Sound broadcasting service
A1.5 Meteorological service
Annex 2 Example emission levels of WPT-EV
A2.1 19-21 kHz/55-65 kHz WPT-EV
A2.2 79-90 kHz WPT-EV
Annex 3 Proposed emission limits for WPT-EV from standards development
organisations
A3.1 Proposed draft CISPR limits
Annex 4 Impact studies on the Standard Frequency and Time Signal Service
A4.1 Impact study on the 60 kHz Standard Frequency and Time
Signal Service
A4.1.1 Baseline protection criteria of the SFTS service
A4.1.2 Background noise
A4.1.3 Usage scenarios for 55-65 kHz WPT-EV
A4.1.4 Impact analysis of 55-65 kHz WPT-EV with
respect to standard frequency and time signal service reception
A4.1.5 Conclusions
A4.2 Impact study on the 77.5 kHz Standard Frequency and Time
Signal Service
A4.2.1 Introduction
A4.2.2 DCF77 (wanted) signal
A4.2.3 WPT (unwanted) signal
A4.2.4 Impact assessment
A4.2.5 Conclusion on DCF measurement
Annex 5 WPT-EV impact study from China
A5.1 The impact study of WPT-EV on the MF broadcast
A5.1.1 MF broadcast technical characteristic and
protection criteria
A5.1.2 Numerical Interference Analysis
A5.1.3 Assessment with Field measurement
A5.1.4 Multiple WPT-EV stations
A5.2 The impact study of WPT-EV on China Loran system
A5.2.1 China Loran system and receiver protection
criteria
A5.2.2 Coexistence study
A5.2.3 Conclusion
A5.3 References
Annex 6 Impact studies in Korea for 19-21 kHz/55-65 kHz WPT-EV
A6.1 Studies on the impact to SFTS services from
19-21 kHz/55-65 kHz WPT-EV
A6.1.1 Introduction
A6.1.2 A mitigation in order to protect 60 kHz SFTS
A6.2 Studies on the impact to AM sound broadcasting services from
19-21 kHz/55‑65 kHz WPT-EV
A6.2.1 Introduction
A6.2.2 An interference analysis between AM broadcasting
and WPT-EV system
A6.2.3 The mitigation analysis of AM sound broadcasting
A6.2.4 Conclusion
Annex 7 Impact Studies in Japan for WPT-EV using 79-90 kHz
A7.1 Introduction
A7.2 Emission limits on WPT for EVs
A7.3 WPT-EV Standardization
A7.4 Impact Studies on the WPT using 79-90 kHz
A7.4.1 Impact assessment process and intended incumbent
radiocommunication services/ systems in the study
A7.4.2 Impact to broadcasting services
A7.4.3 Impact to standard frequency and time signal
(SFTS) services
Potential impact to SFTS receiver performance and mitigation measure
Compatibility framework agreed between WPT for EVs and radio-controlled
watch/clock devices
A7.4.4 Impact to amateur radio services
A7.4.5 Impact to railways control radios
Annex 8 Analysis of the impact of WPT systems to broadcasting services
A8.1 Background
A8.2 Factors affecting the impact of interference
A8.3 Commentary and application to WPT systems and broadcast
receivers.
A8.4 Tolerable field strength limits
Attachment 1 to Annex 8 Information on LF and MF broadcast transmitters
subject to impact from WPT-EV
A8-A1.1 Introduction
A8-A1.2 Available sources of information
A8-A1.2.1 MIFR (Terrestrial Services) on-line query (BETA release)
A8-A1.2.2 MWLIST – long wave, medium wave, tropical bands and short wave
radio database
A8-A1.2.3 For Medium Wave (MF) transmitters in the UK (Complement to the
information in paragraph 2.2)
A8-A1.2.4 For the DRM implementation in Medium Wave (MF)
Supplement 1 to Attachment 1 to Annex 8
Supplement 2 to Attachment 1 to Annex 8 Information from Technical
parameters for broadcast radio transmitters (Ofcom UK)
Attachment 2 to Annex 8 Report of MF Broadcasting across Portions of
Region 2
A8-A2.1 Executive Overview
A8-A2.2 Introduction
A8-A2.3 Market Study
Attachment 3 to Annex 8 Factors affecting the harmful impact of
interference
Attachment 4 to Annex 8 Derivation of maximum tolerable level of
interference at the AM receiver
Attachment 5 to Annex 8 Anticipated separation distance between a WPT-EV
charger and a domestic AM receiver – Photographic survey
Attachment 6 to Annex 8 Performance of an MF sound broadcast receiver in
the presence of interference from WPT-EV
Introduction and background
Experimental arrangements
Attachment 7 to Annex 8 Further studies using a commercially available
receiver
Validity of the Recommendation ITU-R BS.703 reference receiver as a datum
Masking effect of system noise
Level of interferer relative to system noise
Annex 9 Analysis by EBU to reconcile the results of impact study
described in Annex 5 with the required limits of WPT-EV radiated emission
for the protection of AM broadcasting in section 4.4
A9.1 Summary
A9.2 Definitions
A9.2.1 Orientation – Noise, Interference and Masking
A9.2.2 Random Noise
A9.2.3 Overlapping Audio Sources
A9.2.4 Single Sinusoids
A9.3 Background
A9.4 References
Annex 10 Study on the Impact of WPT-EV operating in the 79-90 kHz
range on Radio Communications Systems in the Amateur Service
A10.1 Introduction
A10.2 Background
A10.3 The location of WPT-EV installations
A10.4 Levels of emissions in the spurious domain
A10.5 An appropriate level of protection
A10.6 Measuring existing systems
A10.7 Summary
Annex 11 Analysis of the impact of WPT-EV systems to T-Coil hearing aid
systems
A11.1 Operational parameters
A11.2 Interference limits
A11.3 T-Coil Transmitters
A11.4 T-Coil receivers