《移动数据及互联网》ppt课件

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1、MobileData&InternetOnnoW.PurboOnno@indo.net.idFokus..MengupasRealita&ImpianWireless/MobileDataNetworkInternetEvolvesInternetFixedInternetInternetMobileInternetStrukturWirelessMobileDataMobileWirelessBerasalVoice(GSM,GRPS,EDGE,WCDMA)BerbasisData(PAGER,DATATAC)FixedWirelessPacketRadioIEEE

2、802.11a,bLaserMobileWirelessData1arah–pager2arah–DataTAC2WayPagerMobileDataStrukturWirelessMobileDataMobileWirelessWCDMA2MbpsPAGERslowFixedWirelessPacketRadioslowIEEE802.11b11MbpsIEEE802.11a54Mbps–100MbpsLaser155-622MbpsMobileWirelessModemUS$170-350HandsetRp.1-2jutaAirtime9600bpsButuhop

3、eratorselularGPRS~100KbpsdiSingaporeEvolutionsofMobileSystemscdmaOnePacketDataGSMTDMACDPDcdma20001XEDGEWCDMAcdma20001XEV2GFirstStepinto3G3Gphase1GPRSPDCPDC-P64-144Kb/sEvolved3G384Kb/s-2Mb/s384Kb/s-8Mb/sTime2000/20012001/20022003+64kb/sTahapandiGSM..2+=GSMPhase2+HSCSD=HighSpeedCirciutSw

4、itchedData(14.4kbps*n)GPRS=GeneralPacketRadioSystem(upto114kbps)EDGE=EnhancedDataGSMEnvironment(upto560kbps)UMTS=UniversalMobileTelephoneService(upto2Mbps)AplikasiWirelessDataKonvensionalSMSPagerWAPNon-KonvensionalUnifiedMessagingSMSE-mailFAXBarcodePagerDll..KondisiAplikasiHariIniSMSint

5、eroperabilitySMS–e-mailWAP…?MobileInternetEvolutionQualityVolumeAnyaccessMediaEntertainmentCapacityMessagesInformationDataPathMultimediaConversationRealtime2001-2002200320042005AplikasiWirelessInternetInternetServiceProviderTransparentPermanentIPConnectionWAP,SMS,WWW,IP,Email,Messag

6、ingNextStepM-CommerceMainIsu–Trust,Security