影响未来的十大 it 技术
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影响未来的十大 IT 技术. 陈抗生 04.2.16. 3G—— 演进技术与策略务实当先. 如何看待 3G 、 3G 标准化及 3G 演进 ? 如何促进FDD、TDD有机互补、健康发展 ? 如何妥善处理好 3G 发展中的知识产品问题?正确处理 3G 发展中的这些技术与策略问题至关重要。 - PowerPoint PPT PresentationTRANSCRIPT
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IT04.2.16
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3G3G3G3G??3G3G 2.5G/2.75GWLAN3G+/4G3G3G3G2.5G/2.75GIP3G4G2G+4GNGN3G
49 B12
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3G3G3G3G2G/2.5GSMS/PMS/EMS/MMS3G2G/2.5G;GSM4Internet/IPIEEE 802.xy(802.11x15x16x20x)3GCDMA 2000 1X3G3G+/4G2.5G/3G/3G+/4G3GNGBWNGN3G3G 3G2.5G/2.75G3G 3G4G2.5G/2.75G/3G/3G+3G3G3G, 3G3G3G 3G3G3G3GWBAN/WPAN/WLAN/WMAN/WWANIEEE802.xyNGNNGB3G3G3G,
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FDDTDDTDDFDDTDDFDDFDDTDDTDD FDD3G3G+/4GTD-SCDMATD-LASTDD2.5G3G3G+/4GFDDTDD 200210TDDFDDTDD3GTDD155MHz, TDDTDDFDD180350MHzFDDTDD3G
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IPR3GIPR3G3G 3GTD-SCDMA3G 3Gipr
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3Gi-Mode3G, 3G2.5G, 3G3GMMSLBSInternetIMS.
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90/65/45IT1005090 49 B17
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195845 23130902004652007
EDA()90EDA20049065 300902515
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20901005090 201050101000G
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9090 90System-On-Chip
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IC2002IC12281000200530002000 2000IC IC
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HDTV/DTV 49 B10
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DTV100DTV50MP350 20 101994 ISO/IECMPEG-21997DVBATSCMPEG-2DVB/ATSC199719961997 10
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DTV ;
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DTVDTV 2070 CACA
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DTV MPEG-2 Transport StreamsTSTSMPEG-2TS IP
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LinuxLinuxLinuxWindowsWindowsLinux LinuxITLinux IT 49 B14
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LinuxWindowsWindowsWindowsLonghorn Windows80COSIXIBMOS/2Windows 3.XOS/2WindowsLinuxWindows
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LinuxLinuxInternetITWindowsWindowsLinux LinuxWindowsUnixLinuxWindows WindowsWinCELinuxLinuxLinux LinuxLinuxWindowsLinuxWindowsLinuxLinuxLinuxWindowsLinuxWindowsLinuxLinux
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LinuxLinuxLinuxGNUGNU/LinuxLinuxApach WebMySQLPostgreSQLMozillaKonquerorKDEGnomeLinuxJ2EEJBossOpen OfficeGPLLGPLFreeBSD LinuxLinuxLinux Linuxx86CPUx86CPULinuxCPUCPULinuxLinuxCPUNCLinuxWindowsLinuxCPULinux PCLinux
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SoCSoC21SoC
49 B13
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ICSoCICSoC()ICIS;SoC(CPU)SoCSOC SoCIPIP(CSIC)(ASSP) SoC 21SoC
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SoCSoCSoCICSoCSoC SoCSoCLCDUSBCANMAC/WLANIrDA SoCGUI/SoC3264RISCDSPRTOS
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SoC5SoCSoC2002136200734720% 58%20%SoC SoC SoCCPUIP 8631220863
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35SOCSoCSOCSoCSoC SoCSoC,21SoC
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WLANNetscapeIEWLAN 23IT 49 B11
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WLAN10QoS3802.11WLAN207019976IEEE802.11PHYMAC19992000IEEE802.11b802.11a11Mbps54Mbps2003802.11g 802.11b2.4G802.11b54Mbps LANIEEE 802.11n100Mbps Wi-Fi1999Wi-Fi802.11bWi-FiWi-FiWi-FiWi-Fi199956 2003200 5Wi-Fi3Wi-Fi900 20021800Wi-Fi3000Wi-FiWLAN4202005Wi-Fi5500
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Wi-FiPC1000IntelWi-Fi Wi-FiPCWi-FiHot Spot20IntelWLANWi-Fi WLAN(Hot Spot)Wi-FiWLANWi-Fi ZoneWi-FiWi-Fi ZoneWi-FiHot Spot Wi-Fi ZoneWLAN
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Wi-Fi Wi-FiWi-Fi LANVoIPIPVoIPLANWeb
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40% 23802.11g802.11gWLAN54MbpsIEEE 802.11bWLAN WLAN
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XMLWebXML200012005412000XML15%200570% Web Web4AXML Web Web Services WebWeb Web XML
49 B18B19
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XMLXMLeXtensible Markup LanguageXML XMLXMLWebXML XMLInternetXMLXSLeXtensible Stylesheet Language XMLXML BEA Weblogic Application ServerWASIBMSunITXMLXML
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WebWebITIBMOracleSunWeb B2BB2B Web WebAPI WebWebWebWeb
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WebWebXMLWebWebWebWebXMLWeb WebWebSemantic WebWeb WebWebWeb WebXMLRDF(Resource Description Framework)RDF SchemaDAML+OILWeb Ontology LanguageOWLDAML+OILOWLWeb
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WebWebWeb WebMcIraithWebWebDAML-SWebDAML-SWeb ServicesDAML-S Web ServicesWeb WebIBMWebwebWebXMLWebTIPSIThe Intelligence Processor of Semi-structured InformationXML/J2EEWeb XMLWeb ServicesITWeb
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(BIOMETRICS) DNA() IC1N 2021 IC911
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20022004 Geoffrey A. MooreInside The Tornado20006 IEEE 802.3ae (10GEA), 2004 49 B16
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MetcalfeRobert MetcalfeMetcalfe MetcalfeMoore1010M100M1G10G 440G10100G IEEE802.3ae802.3802.3/LAN/MAN PHYWAN PHY9.29(SONET/SDH
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LAN-PHYLANWAN-PHYWAN/DWDMLamda;SONET/SDHDark FiberSONET/SDHDark BandwidthWAN-PHY LAN/MAN/WAN300m/10km;40km1550nmOC-192C WAN-PHY70km100km 440G SONET/SDHPoSSONET/SDHSONET/SDHWAN-PHY SoIPSANBackupDisaster Recovery VoD
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49 B15
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CPU;Internet InternetInternetInternet
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Internet 863863 Internet
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IP QoS
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1mm200dpi E-inkSony
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ITIBM 6464 10
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NP/QoS NPASICNPASICNP
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