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LTE系统中蜂窝变焦技术的研究开题报告
Title:ResearchProposalonCellularZoomingTechnologyinLTESystem
Introduction:
Aswirelesscommunicationtechnologycontinuestodevelopandconsumersdemandfasterandmorereliablemobiledataconnection,Long-TermEvolution(LTE)hasbecomethedominant4Gwirelesscommunicationsystem.Inordertomeettherequirementofhigh-speedtransmission,thecurrentLTEnetworksarebasedonaframeworkofsmallcells,providingadensernetworktopology,butrequiringmorecomplexnetworkplanningandoptimization.
OneofthechallengesindeployingsmallcellsinLTEnetworkscenariosishowtoefficientlyallocatenetworkresourcestomultipleusers.Atraditionalapproachtoimprovethenetworkresourceallocationisbyusinginterferencecoordinationmechanisms,whicharemainlybasedonfrequencyreuseandpowercontrol.However,thesecannotguaranteeoptimalresourceallocationandmaycauseunnecessaryinterferencewithotherneighboringcells.
CellularzoomingisapromisingtechnologythatcanimprovetheperformanceofLTEnetworksbydynamicallyadjustingthesizeofcellsinthenetwork.Cellularzoomingcanenhancethenetworkresourceallocationefficiencybyincreasingthecapacityofthenetworkwithoutincreasingtheradiointerferencelevel.
Objectives:
ThemainobjectiveofthisresearchistoinvestigateandevaluatethefeasibilityofcellularzoomingtechnologyinLTEsystem.Thespecificobjectivesareasfollows:
1.ToreviewandanalyzeexistingresearchoncellularzoomingtechnologyinLTEsystems.
2.Toproposeanalgorithmtoadjustthesizeofcellsinthenetworktooptimizenetworkresourceallocation.
3.Tosimulateandevaluatetheperformanceofcellularzoomingindifferentnetworkscenarios,suchasurbanandruralareas.
4.Tocomparetheperformanceofcellularzoomingwithtraditionalinterferencecoordinationmeasures.
5.Toproposepotentialsolutionsforthedeploymentofcellularzoomingtechnology
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