lte+hetnet网络高能效传输与控制策略研究

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1、ABSTRACTABSTRACTVarioustypesofmicrobasestationandfemtobasestationareintroducedintheLTEwirelessnetworktosolveproblemsunderedgecoverageandhotpotcoverage.ItleadstoaheavierinterferenceinHeterogeneousnetworkthaninHomogeneousnetwork,whichwillreducesystemthroughput

2、,wastebasestationenergyandletthenetworkefficiencybecomeslow.Aneffectivewaytoreduceenergyconsumptionisradioresourcemanagementmechanism.Wecanreducesysteminterferencebyusingthedownlinkfrequencyresourceschedulingstrategy,Interferencecoordinationstrategyorotherad

3、vancedtechniques,e.g.Enhancedintercellinterferencecoordinationscheme(eICIC)havebeenputforwardin3GPPstandards.ThispaperarguesthedownlinkfrequencyresourcemanagementinHeterogeneousnetwork,andbasedonitthispaperproposesIO-RAPfrequencyresourcemanagementschemeforMa

4、cro-Microbasestation’shighinterferenceinHeterogeneousnetwork.ThisschemesolvestheeICIC’sdeficiency,reducethebasestationinterferenceandimprovetheoverallsystemenergyefficiency.Thefrequencyresourcesmanagementhasadoptedthoughtsaboutcoordinationdisturbance.Itishar

5、dtomeettheRequestofhigherspectrumefficiencybysimpleimprovementsinlinklevel.Weshouldfindaneffectivewayinsystemlevelinthewholenetworksystem.ThispaperarguescooperativecommunicationbetweenMacrobasestationandPicobasestation.Beforecarryingoutthecooperativecommunic

6、ation,weneedtodeterminetheentirenetworkarchitecture.ThispaperfirstlystudiesthePicodeploymentplanwhichsettheenergyefficiencyasprioritytarget.AftercomparisonofdifferentPicodeploymentnetworkscenarios’energyefficiency,wefindanoptimalPicodeploymentstrategy.Thispa

7、perproposesaMacro-Picocooperativeschedulingschemebasedontypeofservice.Thebasestationcanscheduleuserbasedontheuser’stypeofservice.Itcangetidealenergyefficiencyandmeettheusers’requirementsforthequalityofserviceatthesametime.Itisnecessarytogetanaccuratelysystem

8、throughputwhensimulationandverificationthefrequencyresourcesmanagementorcollaborativebusinessscheduling.Themostuniversalsimulationplatformoftensimulatelinkmodelbyusingthesimpleformula,whichiscon