WPT (2017) ( ) *JST Center of Innovation ( 13- ) Last 5X * 16 8, 15 7, 14 6 METLAB 16 20, 15 18 WPT * IEEE MTTS Wireless Power Transfer Conference ( 11-, ) MTTS TC-26 (Wireless Energy Transfer and Conversion Committee) ( 12-, chair ) Distinguish Microwave Lecturer ( 16-18) * IEICE WPT ( 14-, ) Asian Wireless Power Transfer Workshop ( 15- ) * SSPS ( 14-, ) * ( 06-, ) ITU (US) (EU) * * WiPoT ( ) ( 13-, ) ITU (International Telecommunication Union) WPT 26, 3, 44 ( 17) BWF(Broadband Wireless Forum) (WiPoT ) WPMc ( ) * ( 13-, ) 31 ( 17) ( 09-, ) EHC ( ) ( 16- ) ( 10-, ) 40 ( 17) IoT ( 16- ) * ( 14-, ) * (,, ) * ( ) WPT ( 17- ) 11
( (929MHz, 5W) (2.45GHz, 100W) 17.5.31 ( ) 17.5.31 17.5.31 ( ) ( ) 17.4.3 ( 13 ) 17.4.3 ( 12 ) 17.4.4 17.4.4 17.4.6 (23 ) 17.4.13 (21 ) 17.5.5 (21 ) 12
SPS 2.5cm thickness phased array GaN MMIC Amplifiers 5.8GHz, 1.8kW J-Spacesystems, IHI Microwave Beam 55m Power Density ~350W/ / at rectenna center ~10W/ / at rectenna edge ( 16- )[16 304 /5 ] 13
Wireless Power Transfer Consortium for Practical Application (WiPoT) [ ] http://www.wipot.jp/ 2017/10 27 45 3 25 ( ) ( ) 1 PowerCast (2014) Ossia (2015) Energous (2017) ( ) ( ) 14
WG / TG6 15
(TG6) a1 Wireless Powered Sensor Network a1 Wireless Powered Sensor Network a2 Wireless Charger of Mobile Devices c2 Point -to -Point WPT 16
ITU : International Telecommunication Union 193 2015 6 700 3 Discussion Result is published as Question Report Recommendation Regulation 17
ITU 2017 6 2014 : JAXA 2015-2016 : JAPAN 2016 8 ITU Report ITU-R SM.2392-0 Applications of wireless power transmission via radio frequency beam http://www.itu.int/pub/r-rep-sm.2392 Work Plan Beam WPT 2017 : (BWF) Ossia Wireless Powered Sensor Network Wireless Charger of Mobile Devices ITU-R SM.[WPT.WIDE-BEAM.IMPACTS] 2019 6 18
Typ e a Work Plan for Wireless Power Transmission via Radio Frequency Beam (Revised on Nov., 2016) ID Applications Frequency band Wireless Powered 915 MHz band, a1 Sensor Network 2.45 GHz band, 5.8 GHz band Wireless Charger of a2 Mobile Devices Characteristics of beam WPT applications Condition Distance Power Impact study Indoor, outdoor Several meters < 50W Must dozens of meters 2.45 GHz band Indoor Several meters dozens of meters < 50W Must Remark s b c b1 b2 b3 c1 c2 c3 Wireless Power Transfer Sheet MPT in Pipe Microwave Buildings WPT to Moving Flying Target Point-to-Point WPT Wireless Charging for Electric Vehicle 2.45 GHz band In mesh-pattern shielded sheet 2.45 GHz band, 5.8 GHz band 2.45 GHz band, 5.8 GHz band 2.45 GHz band, 5.8 GHz band 2.45 GHz band, 5.8 GHz band 2.45 GHz band, 5.8 GHz band Several (in sheet) meters In shielded pipe 1 m 100 m (in pipe) In shielded pipe 1 m 100 m (in 50W pipe) 5kW Outdoor 10 m 20 km 50W- 1MW Outdoor 1 m 20 km 100W 1MW Outdoor 0.1-10 m 100W- 100kW < 30W [N/A] ARIB STD- T113 < 50W N/A N/A Must Must Must c4 Solar Power Satellite TBD Space to ground 36,000 km 1.3GW Must Edited by USA, Japan, and Israel (based on Japanese Document) 19
Target Year of Each Application of Beam.WPT toward New Report [WPT-BEAM.IMPACT] Target years of making reports ID Applications [2017-2020] a1 Wireless Powered Sensor Network [2017-2020] a2 Wireless Charger of Mobile Devices [2017 2020 (Short Distance)] [2020-2030 c2 Point-to-Point WPT (Long Distance)] [2025-2030] c1 WPT to Moving Flying Target [2025-2030] c3 Wireless Charging for Electric Vehicle TBD c4 Solar Power Satellite 20
Question ITU-R 210-3/1 Wireless power transmission decides that the following information be gathered 1 What applications have been developed for use of WPT technologies? 2 What are the technical characteristics of the emission employed in or incidental to applications using WPT technologies? 3 What is the WPT s standardization situation in the world? decides that the following Questions should be studied 1 Under what category of spectrum use should administrations consider WPT: ISM, or other? 2 What radio frequency bands are most suitable for WPT? 3 What steps are required to ensure that radiocommunication services, including the radio astronomy service, are protected from WPT operations? 21
FCC (Federal Communications Commission ; ) Apple, Google, Samsung ITU 22