IEC TR 62869:2013

IEC/TR 62869 ®
Edition 1.0 2013-07
TECHNICAL
REPORT
colour
inside
Activities and considerations related to wireless power transfer (WPT) for audio,
video and multimedia systems and equipment

IEC/TR 62869:2013(E)
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IEC/TR 62869 ®
Edition 1.0 2013-07
TECHNICAL
REPORT
colour
inside
Activities and considerations related to wireless power transfer (WPT) for audio,

video and multimedia systems and equipment

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XA
ICS 29.240.99; 33.160.01 ISBN 978-2-8322-0926-4

– 2 – TR 62869  IEC:2013(E)
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Executive summary . 9
2.1 Market . 9
2.2 Technology. 9
2.3 Regulation . 9
2.4 Standards development . 10
2.5 IEC TC 100 WPT technical standards development . 10
3 Terms and definitions . 10
3.1 Terms and definitions . 10
3.2 Abbreviations . 11
4 Market . 13
4.1 Use cases . 13
4.1.1 General . 13
4.1.2 Vehicle . 13
4.1.3 Commercial, institutional, retail . 13
4.1.4 Residential . 13
4.1.5 Professional office . 14
4.1.6 Transportation and public spaces . 14
4.1.7 Beyond mobile CE . 14
4.2 Public benefit, including reduction in e-waste . 14
4.3 Overview of products and services . 16
4.3.1 Overview . 16
4.3.2 Market segmentation . 16
4.3.3 Market size . 16
4.3.4 Geographic extent . 16
4.3.5 Market participation . 16
4.3.6 Current market technologies . 16
4.3.7 Global industry engagement . 17
4.3.8 By underlying technology . 17
4.3.9 By product and use case . 17
4.4 Research activities . 20
4.4.1 Academic research . 20
4.4.2 Market research and analysis . 21
5 Technology . 22
5.1 System reference model . 22
5.2 The wireless power transfer layer . 24
5.2.1 General . 24
5.2.2 Electromagnetic induction . 24
5.2.3 Magnetic resonance . 25
5.2.4 Capacitive coupling . 26
5.2.5 Microwave power transfer . 26
5.2.6 Microwave energy harvesting . 26
6 Regulation . 27
6.1 Spectrum . 27

TR 62869  IEC:2013(E) – 3 –
6.2 RF emissions . 28
6.3 Safety. 28
6.3.1 General . 28
6.3.2 RF exposure . 28
6.3.3 Heating . 30
6.3.4 Electrical safety . 30
6.4 Compliance . 30
6.4.1 Identified regulations and standards . 30
6.4.2 Measurement methods . 32
6.5 Impact of regulation . 32
7 Technical standards development . 32
7.1 General . 32
7.2 Global survey industrial consortia . 33
7.2.1 General . 33
7.2.2 A4WP – Alliance for Wireless Power. 33
7.2.3 CE4A – Consumer Electronics for Automotive . 33
7.2.4 DE – Digital Europe . 33
7.2.5 KWPF – Korea Wireless Power Forum . 33
7.2.6 MFAN – Magnetic Field Area Network Forum . 34
7.2.7 NFC Forum . 34
7.2.8 PMA – Power Matters Alliance . 34
7.2.9 WPC – Wireless Power Consortium . 34
7.3 Global survey governmental and standards development organizations . 35
7.3.1 General . 35
7.3.2 APT – Asia Pacific Telecommunity . 36
7.3.3 ARIB – Association of Radio Industries and Businesses . 37
7.3.4 BWF – Broadband Wireless Forum . 37
7.3.5 CCSA – China Communications Standards Association . 39
7.3.6 CEA – Consumer Electronics Association . 40
7.3.7 CJK – China, Japan and Korea Standards Coordination . 40
7.3.8 ETSI – European Telecommunications Standards Institute . 40
7.3.9 GSC – Global Standards Collaboration . 41
7.3.10 IEC TC 100. 41
7.3.11 ISO/IEC JTC 1 . 42
7.3.12 ITU-R . 42
7.3.13 TTA – Telecommunications Technology Association . 42
7.3.14 UL – Underwriters Laboratories . 43
8 Review of WPT opportunities and challenges . 43
8.1 General . 43
8.2 Market . 43
8.2.1 Interoperability . 43
8.2.2 Use cases . 44
8.3 Technology and technical standards development . 44
8.3.1 Competing WPT technologies . 44
8.3.2 Parallel efforts . 44
8.3.3 Interoperability and multi-protocol support . 44
9 Role for IEC TC 100 . 44
9.1 General . 44
9.2 Market . 44

– 4 – TR 62869  IEC:2013(E)
9.2.1 Increase awareness and impact . 44
9.2.2 Nomenclature harmonization . 45
9.3 Technology. 45
9.3.1 Technology taxonomy, use case and use case category
harmonization . 45
9.3.2 WPT classification .
...