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1、英文资料翻译系别软件与服务外包学院.专业通信网络与设备.班级0701.学生姓名陈伟.学号.指导教师侯海燕.2010年4月WirelessLANAbstract:ThisarticlediscussestherecentrapiddevelopmentofwirelessLANtechnology,andthroughactualprojectcases,introducedtherelatedknowledge.Inthis"networkisthecomputer"era,alongwiththecable
2、networkwidely,byanefficient,flexiblenetworking,wirelessnetworkingtechnologyfortheadvantageofalsodevelopingfast.WirelessLANisacomputernetworkandwirelesscommunicationtechnologycombinedwiththeproduct.Fromaprofessionalpointofview,wirelesslocalareanetworkusingaw
3、irelessmultipleaccesschannelisaneffectivemethodtosupportthecommunicationbetweencomputers,andmobilecommunications,personalizationandmultimediaapplicationspossible.Inlayman'sterms,wirelesslocalareanetwork(Wirelesslocal-areanetwork,WLAN)thatisnotthesametimeusi
4、ngthetraditionalcable,Ethernetortokennetworkfunctions.Computernetworktransmissionmediaoftenrelycopperorfiberopticcable,LANcableform.Butthecablenetworkwiringinsomecasesbesubjecttorestrictions:wiring,rebuildingprojectlarge;lineeasilydamaged;Networknodescannot
5、bemoved.Especiallywhencomparedfromtheremotenodeshouldbeconnected,thelayingofdedicatedcommunicationlinewiringconstructiondifficult,costly,time-consuming,anddemandisrapidlyexpandingnetworkcongestionhasbecomeaseriousbottleneck.WirelessLANisthesolutionoverwired
6、networkstoproblems.1.thehistoryofthewirelessLANSpeakingofthehistoricaloriginsofthewirelessnetworkmaybeevenearlierthanyouimagined.Preliminaryapplicationofwirelessnetworkscanbetracedback50yearsagoduringWorldWarII,whentheU.S.Armyusingradiosignalsasdatatransmis
7、sion.Theydevelopedasetofradiotransmissiontechnology,andusinghighstrengthencryption.U.S.andalliedforceshavehadextensiveuseofthetechnology.Thistechnologyhasbeeninspiredformanyscholars,in1971,theUniversityofHawaii(UniversityofHawaii)researcherscreatedthefirstp
8、acket-basedtechnologybasedonradiocommunicationnetwork,calledALOHNETnetwork,canbeveryearlywirelesslocalareanetwork(WLAN).ThisisthefirstWLANincludessevencomputers,whichusetwo-waystartopology(bi-direction
