外文翻译通信工程英文的毕业设计论文

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1、编号：毕业设计(论文)外文翻译（译文）学院：信息与通信学院专业：通信工程学生姓名：学号：指导教师单位：信息与通信学院姓名：职称：2014年2月9日RadionetworkplanningprocessandmethodsforWCDMAAbstractThispaperdescribesthesystemdimensioningandtheradionetworkplanningmethodologyforathirdgenerationWCDMAsystem.Theapplicabilityofeachmethodisdem

2、onstratedusingexamplesoflikelysystemscenarios.Thechallengesof21modelingthemultiserviceenvironmentaredescribedandtheimplicationstothesystemperformancesimulationsareintroduced.Keywords:Telecommunicationnetworkplanning,Mobileradio-communication,Codedivisionmultipleacce

3、ss,Widebandtransmission,Multipleservicenetwork,Dimensioning,Simulator,Staticmodel,Dynamicmodel,Cellularnetwork.Resume(?)ContentsI.IntroductionII.Initialplanning,systemdimensioningIII.DetailedplanningprocessIV.Exampledimensioningcaseandverificationofdimensioningwiths

4、taticsimulationsV.ComparisonofastatictoadynamicnetworksimulatorVI.ConclusionINTRODUCTIONAsthelaunchofthirdgenerationtechnologyapproaches,operatorsareformingstrategiesforthedeploymentoftheirnetworks.Thesestrategiesmustbesupportedbyrealisticbusinessplansbothintermsoff

5、utureservicedemandestimatesandtherequirementforinvestmentinnetworkinfrastructure.Evaluatingtherequirementfornetworkinfrastructurecanbeachievedusingsystemdimensioningtoolscapableofassessingboththeradioaccessandthecorenetworkcomponents.Havingfoundanattractivebusinesso

6、pportunity,systemdeploymentmustbeprecededbycarefulnetworkplanning.Thenetworkplanningtoolmustbecapableofaccuratelymodelingthesystembehaviourwhenloadedwiththeexpectedtrafficprofile.Thethirdgenerationcellularsystemswillofferserviceswellbeyondthecapabilitiesoftoday'snet

7、works.Thetrafficprofile,aswellastheradioaccesstechnologyitselfformthetwomostsignificantchallengeswhendimensioningandplanningaWCDMAbasedthirdgenerationsystem.Thetrafficprofiledescribesthemixtureofservicesbeingusedbythepopulationofusers.Therearealsospecificsystemfunct

8、ionalitieswhichmustbemodelledincludingfastpowercontrolandsofthandover.Inordertoaccuratelypredicttheradiocoveragethesystemeaturesassociated