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无线通信技术发展分析.doc

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无线通信技术发展分析.doc,,review,municationtechnologyWangxiang(thenavy,municationsinchengdu,chengdu,chengdu,chengdu,sichuanprovince,chengdu,sichuanprovince)【municationtechnologyathomeandabroad,munication,municationproducts・[keywords]munication;Demand;Thedevelopinenttrend[themiddleimageclassificationnumber]TN929・5[thedocumentidentificationcode]A[articlenumber]1002-0802(2007):06-0060-municationRepresentativeofNavyinChengdu,ChengduSichuan610041,China)[Abstract]municationtechnology,munication,municationTechnology,municationproductsinthefuture・[Keywords]munication;Demand;work,work,municationservices・Itdoesn,tneedtobepre-wired,workcannotcover・work,soinrecent10years,workshaveenteredtheageofthird-munications・workismoreandmorerich,ingmoreandmorestrong,mobileoffice,mobileTVservicesbyfantasyfinallybecameareality・workafterdecadesofdevelopment,patiblewiththeoriginalsimulationfunctiononthebasisoffullyrealizeddigitalvoice,dataandfaxtransmission,image,etc,municationsequipmenttoimprovethetransmissioncapacityislarger,preliminaryhastheabilitytoprovideuserswithallkindsofbusinesssupport・municationtechnology,workserviceputforwardhigherrequest,municationtechnologyforward・,municationtechnologyissummarized・,municationtechnologieshaveexperiencedsimulatedAMPS/TACStechnology,GSM/CDMAONEforNumbers,andWCDMA/td-scdma,HSDPATechnology,whichisexpectedtobeusedinthenextB3G/work,willalsobeusedformoreadvancedMIMO,,in4glinkcapacitywillexceed100Mbps,municationterminalspeedfromlowspeedtohighspeeddevelopmentinthefuture・worktechnology,[1],municationsystems,suchasWLAN,WiMaxandUWB,,panyfordomesticuserswith2gwirelessbusinessservices,servicesincludevoice,data,E-mail,webbrowsing,etc・,fTom10to200KB/sdatarateisroughlyinscope・Inrecentyears,havelaunchedtd-scdma,China,work・workisbasedonthedual-

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