光衛星通信が開く 超高速ワイヤレス ... - NICT

1 OCT 2017 1 INTERVIEW 4 6 8 10 H ICALI OCT 2017 TOPICSINFORMATION 12 nict 13 Awards 13 STARDUST 14 nict 2017 14 nict 2017 1 m SOTA 3 50 kg SOTA Nature Photonics 5 cm 6 kg * NASA GSFC LLCD 2013 9 622 Mbps LCRD 2019 4

2 ESA EDRS 5 LEO Sentinel JAXA JDRS 2 50 2 100 Gbps Ka HTS HTS 10 Gbps 1994 nict ETS-VI NASDA JAXA OICETS SOTA HICALI Interview Google Facebook Space-X Oneweb O3b Leosat Kaskilo eightyLEO 1 nict N&8S OCT 2017 Optical Satellite Communication toward the Future of Ultra High-speed Wireless Communications SOTA 5cm 6kg SOTA SOTA SOTA 6 kg

3 SOTA 50 kg SOCRATES 2009 SOCRATES 2014 5 CNES DLR CSA ESA SOTA CNES SOTA AO SOCRATES 2016 11 Interview 2 nict ICT SOTA kg 50 kg 2 nict N&8S OCT 2017 Optical Satellite Communication toward the Future of Ultra High-speed Wireless CommunicationsSOTA P6-7 P10-11 P4-5

4 P8-9 SOTA AO HICALI HIgh speed Communication with Advanced Laser Instrument 2021 ETS-IX 10 Gbps SOTA 3 nict N&8S OCT 2017 1 nict 1957 60 1,000 1980 ISS 400 km 6.

5 400 km 6 7% 1,000 km 36,000 km 10 38 km 100 4,200 km 200 km 2 60 1 1,000 10 cm 2 1981 nict 4 nict N&8S OCT 2017 Optical Satellite Communication toward the Future of Ultra High-speed Wireless Communications 2 nict 1 m 3 m 4 SSPD SOTA 1 nict 2 1 m m 75 cm

6 M 3 1 1 10 1 1 1 1 PPM Pulse Position Modulation 10 MHz nict UTC nict 2 nict Space Environment Research Center SERC 2014 nict 2015 2 SWING-BY JAXA SERC 600 km UPLINK JAXA WEB nict ICT SSPD 1 m SOTA 4 SOTA 2 SSPD 4 Pixels SSPD 4 Pixels SSPD SERC AO nict 5 nict N&8S OCT 2017 1 1

7 2 10 3 2 10 4 1983 nict MVL JEM RF 6 nict N&8S OCT 2017 Optical Satellite Communication toward the Future of Ultra High-speed Wireless Communications 4 SOTA 5 SOTA 2 3 2014 6 1 2015 5 31 1 2014 8 12 SOTA* 1 13 4 1 2 40% 3 0%

8 25 5 4 5 75 6 3 SOTA Small Optical TrAnsponder 7 nict N&8S OCT 2017 1 2 2 nict 1990 2 35 cm 1 2011 3