通信技術(shù)知識

telecommunication network STM ISDN ATM B ISDN Intelligentized Network 20 80 AT ISDN 10 64kb s 128kb s Internet IS DN ISDN ISDN ISDN ISDN MODEM 128K xDSL xDSL Digital Subscriber Line DSL xDSL x DSL POTS DSL xDSL DSL T1 E1 T1 E1 DSL DSL Web Internet VOD DSL HDSL High bit rate DSL SDSL Single line DSL IDSL ISDN HDSL xDSL T1 E1 H DSL2 N 64kbps E1 HDSL TI E1 SDSL Single line DSL HDSL 16 0kbps 2 084Mbps T1 E1 E1 HDSL 0 4mm 3 IDSL ISDN ISDN ISDN 128Kbps DSL ADSL Asymmetric DSL DSL RADSL Rate Adaptive DSL DSL VDSL Very High Data Rate DSL ADSL ADSL 32Kbps 8 192Mbps 32kbps 1 0 88Mbps 1 5Mbps 64Kbps 6Mbps 640Kbps RADSL xDSL 640kbps 12Mbps 128kbps 1Mbps VDSL 1054 5000 13Mbps ADSL ADSL ADSL ADSL 1 8Mbps 1Mbps 2 ADSL 3 ADSL ATM 4 ADSL ADSL modem 5 ADSL ADSL ADSL 1998 1997 153 ISDN 18 ATM ATM Asynchronous Transfer Mode ITU T 20 80 ATD FPS 1988 Asynchronous Transfer Mode ATM B ISDN ATM ATM 53 2 5 48 ATM ATM x 25 DDN ATM ATM ATM LAN IP IP IP Internet Protocol IP IP IP IP IP INTERNET IP IP INTERNET 4 175 INTERNET IP IP IP INTERNET INTERNET INTERNET TCP IP INTERNET TCP IP 1994 INTERNET CSTNET CHINANET CETNET CHINAGBN UNINET TCP IP IP TCP IP IP IP INTERNET IP IP IP MAC IP IP IP IP IP IP IP Internet Internet 6 6 IP IP Internet IP Gateway Int ernet Internet Internet Internet Internet IP PLC Power Line Communication 20 20 20 40 Internet 2 20V ISDN 30 IP 220V PLC PLC 1M bps 1OM bps PLC PLC NoNewWires PLC PLC PLC PLC PLC 4 10 PLC PLC Home Plug 1 2 20 80 2020 5 2010 3 4 4G 4G LAN ITS HAPS 3G DECT DECT WLAN DAB DVB T ADSL Cable Modem 1 30 200 2 1000 100 3 4 TDMA CDMA GS M IS 54 JDC Qualcomnn IS 95 21 20 70 20 80 90 10 Trunking 80 OMHz 800MHz 450MHz 800MHz 198 20 5 6 UNIDEN 1987 A B C D G A B C D G 1 A B A B A A B B A B 1996 1 30 A B B B A 2 C CDMA C CDMA CDMA C 10 CDMA 3 G GSM 20 90 GSM G G 900 G D 4 D DCS1800 GSM900 1800 1800 G DCS1800 GSM900 1 2 3 4 PSTN GSM 20 80 GS M Global System for Mobile Communication ADC D AMPS JDC PDC GSM 1991 GSM GSM GSM900 DCS1800 PCS1900 GSM 1982 NMT TACS 1982 CEPT 900MHz ETSI Group Special Mobile GSM 1992 GSM 1993 9 GSM GSM 2002 11 2 2001 5509 2 GSM GSM GSM GSM GSM MS BSS MSC VLR HLR EIR AUC OMC OMC R OMC S BSS BSC BTS GSM WAP WAP Wireless Application Protocol PD A Internet WAP WAP Internet WAP WAP l Wireless Application Environment WAE 2 Wireless Session Layer WSP 3 Wireless Transaction Layer WTP 4 Wireless Transport Layer Security WTLS 5 Wireless Transport Layer WDP WAE WML WMLSCRIPT WTLS WAP WAP 100 WAP W AP WA P WAP WAP GPRS GPRS General Packet Radio Service GPRS GSM Phase2 1 GSM 9 6kbit s GPRS GSM TDMA GSM GPRS GPRS GPRS 1 GSM 3 1 PRS SGSN Serving GPRS Supporting Node 2 GPRS GGSN Gateway GPRS Support Node 3 PCU 2 GSM ETSI GSM900 1800 1900 GSM GSM900 G 1 E GSM P GPRS GSM900 G1 P GPRS P GSM MS GPRS GPRS GPRS GPRS 2G 3G GSM IS 136 GPRS GSM PLMN GPRS GPRS GPRS 1 2 3 4 5 6 E mail 7 E mail 8 9 10 11 GPRS WAP WAP Internet Internet WAP WAP TDMA CDMA GSM GPRS SMS GRPS GSM 9 6kbps GPRS GPRS GSM GSM WAP GPRS WAP GPRS WAP GPRS GSM CSD 9 6kbps FDMA FDMA FDMA 2 2 FDMA FDMA TACS AMPS TDMA TDMA CDMA CDMA Code Division Multiple I Access CDMA CDMA CDMA CDMA 1 CDMA 20 10 GSM 4 5 2 CDMA CDMA CDMA 3 TDMA 4Kb 8Kb CDMA 13kb CDMA TDMA 2 4 CDMA CDMA 4 CDMA 5 CDMA CD MA CDMA GSM GSM CDMA GS M CDMA CDMA RAKE 1 RAKE RAKE 2 CDMA CDMA 3 CDMA 4 CDMA CELP 8kbit s 13kbit s 8kbit s GSM 13kbit s 13kbit s FDMA TDMA CDMA FDMA TACS AMPS TDMA GSM DAMPS CDMA FDMA TDMA GSM DAMPS 3 13kbit s FTDMA 9 6kbit s TDMA z TDMA TDMA CDMA 3G 3G 3rd Generation 144kb s 384kb s 2Mb s 3G WCDMA CDMA2000 TD SCDMA CDMA Code Division Multiple Access FDMA TDMA TDMA CDMA 3G 1 WCDMA Wideband CDMA GSM 3G CDMA CDMA G SM 2G GPRS EDGE WCDMA 3G GPRS General Packet Radio Service EDGE Enhanced Data rate for GSM Evolution GSM 2 5 2 CDMA2000 CDMA2000 CDMA CDMA IS95 CDMA CDMA IS95 2G CDMA20001x CDMA20003x 3G CDMA20001x 2 5 CDMA200 03x CDMA20001x 3G CDMA IS95 3 TD SCDMA Time Division Synchronous CDMA CDMA 3G 2 5 3G GSM 3G IP IP 0 1 TCP IP IP IP IP IP Internet 32K 1 7 2 3 0 20 0 10 6 0 07 IP 0 30 0 08 3 10 4 32KADPCM 5 Bluetooth Internet 1Mb s 10 2 4G ISM FM 5 3 64kbps 721kbps 57 6Kbps 432 6Kbps Internet 1 PDA 2 PC E mail PC E mail PDA PDA 3 Bluetooth B luetooth 4 Internet Piconet 8 Scatternet Master unit Slave unit MAC MAC address 3 Parked units MAC Sniff and Hold mode HDTV SDTV 16 9 32 1920 1 080i 1280 720p 5 1 Digital Processing receiver OSD 1 2 3 4 5 6 7 8 9 10 VOD VOD Video On Demand X MCU 20 80 Microwave Communication 0 1 1 L S C X K 50 60 960 1800 2700 30 120 480 1920 SDH SDH 2 4Gbit s WDM BMAN DWDM MAN DWD M DWDM MAN CWDM 1 2 3 4 5 6 7 SDH SONET Synchronous Optical Network Bellcore 20 80 ANSI SONET CCITT 19 88 SONET SDH Synchronous Digital Hierarchy SONET Synchronous Optical Network SDH SONET B ISDN PDH Plesiochronous Digital Hierarchy PDH SDH PDH 1 SDH NNI PDH PCM 2Mbit s 1 5sMbit S SDH 2 SDH STM 3 SDH 5 SDH SDH B ISDN HTTC HTTH OAN OAN HFC 1 l DLC PDH ATM SDH 34Mbps 155Mbps DLC FTTC FTTH 2 ATM PON iSDN ONU APON ATM PON iSDN B iSDN FSN APON FTTC FTTH APON CATV 2 SDV CATV WDM SDV HFC SDV HFC SDV SDV ATM SDH ATM WDM FDM WDM 11 l2 l2 11 1 1310nm 1550nm 25THz 2 2 3 4 5 6 WDM W DM CATV CATV 3600 23 56 4 120 1 10GHz 12GHz 14GHz 20GHz 30GHz 50OMHz 36MHz 72MHL 5 CDMA VSAT 1972 GEO MEO LEO GEO GEO INMARSAT MSAT Mobilesat LEO Iridium Globalstar Teldest MEO GEO LEO Odyssey AMSC INMARSMT P AMPT N STAR ECO 8 TDMA CDMA CDMA WARC 92 84 2MHz 1525 1530MHz 2170 2200MHz 2483 5 2500MHz 2500 2520MHz 1613 8 1626 5MHz 66 5MHz 1610 1626 5MHz 1980 2010MHz 2670 2690MHz 21 1 3 1972 30 1972 1984 1985