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1、外文资料翻译学院：电子工程学院系（专业）：电子信息工程班级：电子061姓名：学号：指导教师评语：签名：年月日一：外文原文3GTECHNOLOGYAlthoughthetechnologybehind3Gmayseemcomplicated,thewaysinwhich3Gwillaffectallofourlivesareeasytoimagine.Justimaginehavingacombinedcamera,videocamera,computer,stereo,andradioinclud
2、edinyourmobilephone.Rich-mediainformationandentertainmentwillbeatyourfingertipswheneveryouwantanywherethereisawirelessnetwork.Mobilecommunicationismovingfromsimplevoicetorichmedia,whereweusemoreofoursensestointensifyourexperiences.Butnotallofthiswillh
3、appenatonce.3Gisanevolutiontoacommunicationsidealthatnoonecompletelyunderstandsyet.WhatwedoknowisthatmobilemultimediawillhittheJapanesemarketsin2001,andEuropeandNorthAmericawillfollowsoonafter.3Gbringstogetherhigh-speedradioaccessandIP-basedservicesin
4、toone,powerfulenvironment.ThesteptowardsIPisvital.IPispacket-based,whichinsimpleterms,meansuserscanbe"online"atalltimes,butwithouthavingtopayuntilweactuallysendorreceivedata.TheconnectionlessnatureofIPalsomakesaccessalotfaster:filedownloadscantakeafew
5、secondsandwecanbeconnectedtoourcorporatenetworkwithasingleclick.3Gintroduceswidebandradiocommunications,withaccessspeedsofupto2Mbit/s.Comparedwithtoday'smobilenetworks,3Gwillsignificantlyboostnetworkcapacity-sooperatorswillbeabletosupportmoreusers,asw
6、ellasoffermoresophisticatedservices.3G-Athome3Gisgoingtoaffectourhomeandsociallivesinmanyways.Theservicesthat3Genableswillhelpustomanageourpersonalinformation,simplifytaskssuchasgroceryshopping,makebetteruseofourtimeandofferservicesthatarejustfuntouse
7、.Operatorswillbeabletodevelopmyriadnewserviceopportunitiestoattractandretainnewcustomers.Herearesomeexamples:·You'resittingonatrainandusethis"dead"timetologontoyourbankaccount,checkyourbalanceandpayafewbills-allthroughyour3Gdevice.Yousavetimeandcanbes
8、marteraboutmanagingyourfinances.·Onatouringvacation,youarriveinanewcity.Youhaven'tmadeanyreservationsinadvance,becauseyoucandothiswhenyougetthere,byusingyour3Ghandsettoobtainup-to-dateinformation,includinghotelvacancies.Havingbookedaroom,youca
