Transcription of 光無線通信の技術動向 - j-photonics.org
1 Jun. 27. 2010 38 ICSA) Cotents What is Free Space Optical communication systems ? 30kHz 300 3 MHz 30300 3 GHz3 PHz3 THz3 EHz30030030030303010km101100m100mm100pm1 00nm100um1111101010 FWA LAN Blind AreaLANMAN/WAN HDTV FA IrDA XXII--- --- LAN NTSC 1980 LED FPU SONY HPK 1990 LD NHK FPU Field Pickup Unit
2 FPU head FPU BER=10 3 QPD 2rQPD 2D A1A2A3A4 Vx+ =VA1+VA4Vx-=VA2+VA3VY+ =VA1+VA2VY-=VA3+VA4X Y Vx=Vx++Vx-VY=VY++VY- r-rD-r MRI CT P-MP 1990 IT LAN IT A IP Ethernet standard Wi-Fi 2 EX IrDA IrSimple:4 MbpsUFIr 100 MbpsKDDI 1 Gbps KDDI EX) TV ITS DL etc. Wi-Fi Alliance WiGig Alliance 60 GHz /1 Gbps (60 GHz) 22 10 Mbps100 Mbps Gbps1990 1995 2000 2005 2010 LED16 MbpsUFIr100 Mbp100 Mbps10Mb LED LDVCSELLEDP-MPP-MPP-P1 GbpsP-MPAudio analog ICSA IrSimple EFIR 3 --- --- PJ NASA H22 Radio on FSO system (FTTH)
3 Fiber systemWireless systemCost Time O/E E/O RF WDM Radio on FSO LAN Fiber Fiber 1995 2000 2001 2002 2003 2004 2005 2010 100K10G1G100M10M1M1T100G 10M 100M 1G 10G LAN P-MP LAN100M P-MP)FTTHFTTH 1G1G-Ethernet 10G-Ether CATV FPU) BB ICSA Radio on FSO FSO40 GWDM 11n 1 BB ) FWA FWA 25 GHz back-up FTTH --- 2 E.
4 Ciaramella, Y. Arimoto, G. Contestabile, M. Presi, A. D Errico, V. Guarino, and M. Matsumoto; Terabit/s (32x40 Gbit/s) WDM Transmission System for Free Space Optical Communications, IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 27, NO. 9, DECEMBER 2009 Regulation of Home NetworkNetworkWireless satelliteBack born GbpsHome ServerFP7; NEM Networked & Electronic Media 10m 8 7 ICSA ICSA LAN arib STD-T50 Q&A IEC JIS ITU-R DRAFT REVISION OF REPORT ITU-R 100-0013 11F TEL 03-5510-8596 FAX:03-3592-1103
