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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,andradioincludedinyourmobilephone.Rich-mediain
2、formationandentertainmentwillbeatyourfingertipswheneveryouwantanywherethereisawirelessnetwork.Mobilecommunicationismovingfromsimplevoicetorichmedia,whereweusemoreofoursensestointensifyourexperiences.Butnotallofthiswillhappenatonce.3Gisanevolutiontoacommunicationsidealthatnoonecomple
3、telyunderstandsyet.WhatwedoknowisthatmobilemultimediawillhittheJapanesemarketsin2001,andEuropeandNorthAmericawillfollowsoonafter.3Gbringstogetherhigh-speedradioaccessandIP-basedservicesintoone,powerfulenvironment.ThesteptowardsIPisvital.IPispacket-based,whichinsimpleterms,meansusers
4、canbe"online"atalltimes,butwithouthavingtopayuntilweactuallysendorreceivedata.TheconnectionlessnatureofIPalsomakesaccessalotfaster:filedownloadscantakeafewsecondsandwecanbeconnectedtoourcorporatenetworkwithasingleclick.3Gintroduceswidebandradiocommunications,withaccessspeedsofupto2M
5、bit/s.Comparedwithtoday'smobilenetworks,3Gwillsignificantlyboostnetworkcapacity-sooperatorswillbeabletosupportmoreusers,aswellasoffermoresophisticatedservices.3G-Athome3Gisgoingtoaffectourhomeandsociallivesinmanyways.Theservicesthat3Genableswillhelpustomanageourpersonalinformation,s
6、implifytaskssuchasgroceryshopping,makebetteruseofourtimeandofferservicesthatarejustfuntouse.Operatorswillbeabletodevelopmyriadnewserviceopportunitiestoattractandretainnewcustomers.Herearesomeexamples:·You'resittingonatrainandusethis"dead"timetologontoyourbankaccount,checkyourbalance
7、andpayafewbills-allthroughyour3Gdevice.Yousavetimeandcanbesmarteraboutmanagingyourfinances.·Onatouringvacation,youarriveinanewcity.Youhaven'tmadeanyreservationsinadvance,becauseyoucandothiswhenyougetthere,byusingyour3Ghandsettoobtainup-to-dateinformation,includinghotelvacancies.Havi
8、ngbookedaroom,youca
