ADSLブロードバンドアクセスサービス
Contents
1. ADSL 5 2005 6 3 FTTH Fiber To The Home ADSL ADSL 10 FTTH ADSL ADSL ADSL ADSL 5 FTTH2. ADSL ADSL 2 1 1 ADSL ADSL ADSL DIY Do It Youeself 2 1 2 ADSL ADSL 1999 1 5Mbps 512kbps 64kbps ISDN 20
3. ADSL ADSL 6 ISDN 3 10 ADSL 2001 ADSL ADSL 1
4. TIPv4 IPyv6 Internet ADSL Protocol version 4 version 6 IPv6 5 ADSL 8 ADSL ADSL 50Mbps ADSL 0 5 ADSL
5. 2 e Japan 2 2 kHz QAM 3 4 DSL 5
6. ITU T ADSL G 992 3 ADSL2 G 992 1 G 992 4 G 992 2 G 992 3 2 2 2MHz G 992 5 ADSL2plus G992 3 G992 1 ADSL 2002 6 CX G992 1 Annex C Annex C
7. VoIP Voice over TP LAN FUJITSU ACCESS REVIEW Vol 15 No 1 ADSL 2001 10 2003 1 2003 8 2004 2 2004 11 2005 10 swss ss as nl OS sw ee ADSL Modem FLASHWAVE 2040 M1 FA11 M2 FA11 W4 FA11 W4v6 FA11 W5 BB BB BB VolP IPv6 VolP FLASHWAVE 2040 V1 FA11 W3 VoIP 4 ADSL ADSL 4 1 ADSL ADSL 8 Mbps ADSL 2001 ADSL
8. ADSL 2 ADSL 2 1 ADSL ADSL 16 1989 ISDN Integrated Service Digital Network 2B1Q 2 Binary 1 Quaternary DSL DSL Bellcore ADSL 1 ISDN 2 4 FUJTISU ACCESS REVIEW Vol 15 No 1 ADSL DMT Discrete Multi Tone ANSI American National Standardization Institute 3 DSL Forum
9. 1 5Mbps 50Mbps DSLAM Digital Subscriber Line Access Multiplexer POTS Plain Old Telephone Service ADSL 50Mbps 12Mbps ADSL 1ADSL 7 LST A
10. 1997 TITU T SG15 4 DSL ADSL T1418 G9921 1 5Mbps G 992 2 1999 TITU T ITU T SG15 4 ISDN TCM Time Compression Multiplex ADSL ANSI T1 413 ADSL ISDN ITU T 8 FUJTISU ACCESS REVIEW Vol 15 No 1 ADSL 1999 2000 2001 2002 2003 2004 2005 ili en 1 5 8 holglzele 50 50Mbps G 992 1 ITU T G 992 1C 992 1 Hev TTC JJ100 01
11. 12Mbps TTC 3 ADSL ADSL ADSL ISDN TCM ISDN G 992 1 G 992 2 C Annex C ADSL UAWG Universal ADSL Working Group G 9922 Annex C LCC 3 ADSL 3 2 ADSL ADSL
12. 2 26Mbps 40Mbps ADSL 50 Mbps ADSL 5 ADSL e Japan 2005 6 1400 ADSL 2003 26Mbps ADSL 100 2 F
13. FDM Frequency Division Multiplexing ADSL ADSL LSI 2 a 1 5Mbps 50 Mbps ADSL 6 b c 1 5Mbps 512kbps Gr iite ISDN G 992 2 Annex C 138kHz 512kHz 26 kHz 138kHz 2001
14. ADSL 8 Mbps 2 1 3 ADSL ADSL ADSL ADSL 4 kHz 26kHz ADSL ADSL FUJTISU ACCESS REVIEW Vol 15 No 1 1 gt CO 0 1 5 9 1 5 9 1 2001 2002 ADSL
15. 50Mbps ADSL 1400 FTTH FTTH 100Mbps VDSL 2010 FTTH 3000 2000 DSL LSI
16. DSM Dynamic Spectrum Management FUJTISU ACCESS REVIEW Vol 15 No 1 ADSL 10 ADSL 10 ADSL ADSL 1 5 1994 2 IT e JAPAN 2000 3 17 6 SOUuTmu gO JD S news 2005 050831_3 html 4 Walter Y Chen Standardization of
17. ADSL Fukuda Misao Sukegawa Kiyoshi Hasegawa Kazutomo ll 3000 2000 ADSL Asymmetrical Digital Subscriber Line 1400 70 2001 5 ADSL 21
18. G 992 5 Annex G 992 1 ITU T TTC TTC 2003 ITU T G 992 5 G992 1 Annex C Annex Annex I G9923 G 992 5 Annex C 2005 7 2001 DSL 2002 6 6 TTU ITU T G 992 1 Annex C G 992 3 G 992 5 Annex C Annex 1 2003 9 26Mbps 2003 40Mbps 2004 50Mbps 50Mbps
19. Annex Annex 1 3 75MHz ITU T ITU T 40Mbps 50Mbps FUJTISU ACCESS REVIEW Vol 15 No 1 ADSL LST TTC 2001 11
20. 50 Mbps 50Mbps ITU T 2002 0 ADSL TTC 2004 483kHz 12Mbps SUQ Super Upstream system combined with the Quad overlap SUQ 2 100 01 2005 3 3 3 ITU T VDSL
21. 4 ADSL 1 ADSL Modem 8 Mbps ADSL ADSL 2 FLASHWAVE 2040 M1 FLASHWAVE 2040 V1 12Mbps M1 ADSL V1 12Mbps ADSL VoIP VolP ADSL VoIP
22. 1 2 DSP VoTP LAN LAN ADSL LAN AP Access Point LAN ADSL VoIP LAN ADSL
23. ADSL 5 FA11 W5 50Mbps W4 ADSL FUJTISU ACCESS REVIEW Vol 15 No 1 VoIP LAN ADSL W5 4 2 ADSL ADSL ADSL ADSL ADSL 12Mbps 26Mbps 40Mbps 50 Mbps ADSL ADSL LSI
24. J 100 01 2002 11 2002 8 TTC 100 01 TTC DSL DSL TTC 100 01 7 100 01 G 992 1 G 992 2 EFDM ADSL G 992 1 Annex C C X 2003 11 100 01 2003 40 Mbps
25. http www The Development and Asymmetrical Digital Subscriber Line IEEE Communications Magazine Volume 37 Number 5 pp 68 72 May 1999 5 No382 2003 120 FUJITSU ACCESS REVIEW Vol 15 No 1
26. FUJTISU ACCESS REVIEW Vol 15 No 1 12 Mbps DSP Digital Signal Processor 2 c 2 2MHz 4 3 75MHz AA 26Mbps 40Mbps 50Mbps 1 Mbps 3 Mbps 2005 9 12Mbps
27. ADSL 3 FA11 M2 FA11 W3 26Mpbs NM NIL ADSL W3 V1 26Mbps ADSL LAN ADSL VoIP 4 W8 4 FA11 W4 40Mbps W3 ADSL VoIP
28. Very high speed Digital Subscriber Line G993 1 2004 6 ADSL G 992 3 G 993 1 VDSL2 VDSL2 2005 5 G 993 2 2005 10 VDSL 2 100Mbps DSM Dynamic Spectrum Management DSL 4 ADSL ADSL ADSL
29. 9 8 Mbps 1 1MHz G dmt ISDN G 992 1 Annex Glite G dmt 15 1 5Mbps 8 Mbps 2 b S 1 2 10Mbps 2002 7 10BASE TT LAN Local Area Network FDM 1990
30. ITU T International Telecommunication Union 1999 ISDN 1978 ISDN TINS64 Information Network System 64kbps 1988 DSL 10 ADSL 1 5Mbps 16 kbps 1996 ADSL LSI ADSL 1999 ADSL 20 IT Information Technology e Japan IT
31. 2001 ADSL 5 ADSL 2001 1 5Mbps ADSL ADSL 9 8 ADSL 16 000 000 14 000 000 12 000 000 10 000 000 g 000 000 6 000 000 50Mbps 4 000 000 2 000 000 0 9 1 5 9 1 5 2004 2005 Mbps ADSL ADSL 2002 LSI 10Mbps 9 12Mbps ADSL 50
32. DSL 3 ADSL ADSL ITU T ADSL TTC The Telecommunication Technology Committee 8 ADSL 3 1 ADSL 1989 Bellcore DMT ANSI DMT 1995 6 Mbps ADSL T1 413 ETSI European Telecommunications Standards Institute HDSL High bit rate Digital Subscriber Line
33. UJTISU ACCESS REVIEW Vol 15 No 1 ADSL a G 992 2 Annex C lt 0 55M Hz G 992 1 Annex C 1 1M Hz G 992 1 Annex C X Dual Spectrum 1 1M 2 2M Hz G 992 1 Annex C X Quad Spectrum 0 eb 1 1M 2 2M 3 75M Hz G 992 1 Annex C X Super Upstream Quad 1 1M 2 2M 3 75M Hz 2 ADSL 2 2 ADSL 4 kHz ADSL 2 JISDN LSI DSL QAM Quadrature Amplitude Modulation DMT
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