The present condition and the next development of mobile phone industry
The present condition and the next development of mobile phone industry WiMAX 90 1 16.5 5 5 13 13 5 5 5 1 NEC 1
2007 07 11 2 2G GSM 2G GSM 2004 133 3 3G NTT KDDI iphone 2G PDC GSM 3 1 100 800MH 4 ITU IMT-2000 5 2
NEC WiMAX 1 1 G 2G 3G - NTT WiMAX 1 2007 BP net 7 6 WiMAX 10MHz 3km 40Mbit WiMAX 7 iphone 8 iphone http://itpro.nikkeibp.co.jp/article/column/20070904/281162/ 3
1G NTT 4GH FM SF B1 127 127 8 240 PCM2GH 200 50 16QAM 16 127 256QAM 127 ITU 9 CCIR 10 NEC 1955 24 1979 1G 800MHz 23 NTT 20 3 6 10 7 1985 2.5 3kg 40 8 1987 TZ 802 60 6 900 TZ 802 2 8 1 9 10 ITU 1 (International Telecommunication Union Radio communications Sector) ITU R 4
TZ 803 640 2 1979 NTT 1984 1985 TACS 11 FDMA NTT NTT 12 1 TACS NTT DDI KDDI NTT 1999 TACS 2000 1 G 2G 2G 2G 2G TDMA TDMA 3 PDC GSM D-AMPS 2G GSM PDC 2 2G GSM 100 11 AMPS 12 IT http://www.atmarkit.co.jp/fnetwork/rensai/5minkeitai/01.html 2007 11 15 5
1982 SEPT GSM 1987 1992 p.132 GSM 4 850 850MHz 900 900MHz 1800 1800MHz 1900 1900MHZ 900MHz GSM 1800MHz GSM PDC 1991 4 NTT PDC (133 )1993 3 NTT PDC KDDI J PHONE PDC NTT (133 ) NTT PDC NTT GSM GSM NTT GSM NTT PDC GSM GSM PDC IT e-words,http://e words.jp/ 2007 11 17 IT e-words http://e words.jp/ 2007 11 17 Bpnet 1 http://itpro.nikkeibp.co.jp/article/column/20070216/262212/ 2007 11 13 6
GSM 100 PDC 2G 2001 NTT FOMA 3G Softbank 3G KDDI CDMA 1X 3G 3G 2G 3G 1 136 1 2G GSM PDC D-AMPS 133 2 ITU 1993 3G 137 1 1 140 2 140 3 140 141 3 ITU 18 7
ITU W-CDMA W-CDMA NTT Ericsson Sony Ericsson Nokia 143 W-CDMA 1997 1998 ETSI 3G W-CDMA 2000 W-CDMA W-CDMA NTT FOMA SoftBank 3G W-CDMA W-CDMA LMNQS cdma2000 W-CDMA TIA cdma2000 cdma2000 146 W-CDMA cdma2000 3G GPRS EDGE 2G GSM 133 2G 3G ITU 3 2 1 146 19 20 Lucent Motorola Nortel Qualcomm Samsung 21 8
2G 3G 2G 3G 1 NEC 13 4 60 2 5 BP net 22 NTT KDDI 1 4 7 8 BPnet 23 1 1 2008 2007 07 11 NTT 11 705i GSM 905i 906i GSM 2007 07 12 Sony Ericsson 22 BP net iphone http://itpro.nikkeibp.co.jp/article/column/20070904/281162/?bzb_pt=0&bzb_pt=0 2007 12 5 23 Bpnet 1 http://itpro.nikkeibp.co.jp/article/column/20070216/262212/ 2007 11 13 9
Nokia 2007 07 13 SIM SIM GSM IC SIM SIM ID 3G W-CDMA cdma2000 UIM SIM SIM SIM SIM UIM UIM SIM SIM SIM 2G GSM 3G W-CDMA cdma2000 GSM WiMAX WiMAX 10
WiMAX WiMAX WiMAX 5 20 z 75Mbit 10 20M LAN 120Km Mbit 2007 09 21 IEEE 802.16e 2005 12 KDDI BB NTT WiMAX 2 PHS WiMAX 2007 10 22 2008 2.5 z 2007 06 16 WiMAX WiMAX WiMAX 3G 10 1 bit G 10 1 WiMAX WiMAX 2007 09 21 WiMAX ITU 2007 11 18 WiMAX KDDI 500 WiMAX ITU 3G 2007 09 21 24 25 PHS 11
IP WiMAX 4 WiMAX ( ) WiMAX WiMAX WiBro WiMAX 3G HSDPA WiMAX 2007 07 15 52 WiBro 3G SK SKT 3G KT 52 WiBro 3G WiBro 3G 53 WiBro HSDPA 2006 6 2007 4 KT WiBro 1000 1500 53 1 53 WiMAX 3G WiMAX WiMAX WiMAX 2008 WiMAX WiMAX 2 GSM WiMAX KDDI BB NTT WiMAX 2 26 WiMAX http://www.atmarkit.co.jp/news/200709/04/wimax.html 2007 11 25 27 http://techon.nikkeibp.co.jp/article/word/20060324/115351/ 2007 11 25 12
2.5GHz 3G 3G 2.5GHz NTT KDDI 3G WiMAX 3G ADSL PHS 2 2007 05 16 2 3G WiMAX 3G 2.5GHz 3 3 2 WiMAX 3G NEC 2007 09 21 KDDI Intel Capital JR UFJ KDDI WiMAX WiMAX WiMAX Intel JR 2 2007 09 19 NTT 28 2.5GHz http://www.atmarkit.co.jp/news/200709/04/wimax.html 2007 11 20 http://www.atmarkit.co.jp/news/200710/11/wimax.html 2007 11 20 13
WiMAX 3G WiMAX 3 PHS 2 G G G G PDC NTT G G G GSM 3G G 3G G 3G WiMAX iphone 3 30 NTT http://www.nttdocomo.co.jp/info/news_release/page/070831_00.html 2007 11 25 14
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2004 - NTT NTT 2006 01 16 2007 26 87 2006 04 17 NEC TI 12 2007 10 22 PHS 11 2004 08 16 pp 38 39 2004 11 08 CTIA WIRELESS I.T.2004 2006 10 23 2006 20 pp 155 157 2005 02 07 IT A to Z 3.5 3.5G pp 134 137 2007 10 15 3.9G 3.9 300 2009 2007 05 29 NTT 31 2007 06 16 9 2007 07 11 I 11 2007 07 12 13 2007 07 13 13 2007 09 19 13 2007 09 21 WiMAX 15 2007 10 20 2007 11 23 9 2007 05 16 16
3 2007 06 14 7 2007 07 17 3.9 09 3 2007 10 25 4 6 2007 04 23 3 2007 09 21 5 2006 06 27 KDDI WiMAX URL NTT http://www.nttdocomo.co.jp/ 2007 11 25 Softbank http://mb.softbank.jp/mb/ 2007 11 25 au by KDDI http://www.au.kddi.com/ 2007 11 25 WILLCOM http://www.willcom-inc.com/ja/index.html 2007 11 25 http://www.acca.ne.jp/ 2007 11 25 http://www.eaccess.net/ 2007 11 25 @IT http://www.atmarkit.co.jp/fnetwork/rensai/5minkeitai/02.html 2007 11 28 NTT http://www.std-mcs.nttdocomo.co.jp/history-s/list_shoulder.html 2007 11 28 IT http://www.atmarkit.co.jp/fnetwork/rensai/5minkeitai/01.html 2007 11 28 IT e-words,http://e words.jp/ 2007 11 17 B net Tech-on! http://techon.nikkeibp.co.jp/article/news/20070126/126983/ 2007 10 22 BPnet 1 http://itpro.nikkeibp.co.jp/article/column/20070216/262212/ 2007 11 13 BPnet iphone 8 iphone http://itpro.nikkeibp.co.jp/article/column/20070904/281162/ 2007 12 06 2.5GHz http://www.atmarkit.co.jp/news/200709/04/wimax.html 2007 11 20 http://www.atmarkit.co.jp/news/200710/11/wimax.html 2007 11 20 17