LTE家庭基站下行功率自优化算法的分析与实现.doc

municationtechnology,LTEhasbeenconsideredasthefourth-munication(4G),,basedonthepurposetoimproveindoorsignalcoverageandimprovetheuserexperience,,FemtocellisformedthroughthedeploymentoftheHeNB(HomeeNodeB).HeNBwithplug-and-playfeaturesispurchasedbytheuser,andformedLTE-,workplanninganddesignwillleadtointer-,thestudyofinter-cellinterferencecoordinationscheme(ICIC),,adetailedanalysisofthekeytechnologiesofLTEandFemtocell,LTE-Femtocelldeploymentscenarios,interferencescenes,uplinkanddownlinkpowercontrolmechanism,thenmakingdownlinkinterferenceasthestartingpoint,andfocusingonresearchingtheinterferenceofHeNB’sontheMacrocelldownlink(DL),whenFemtocellandLTEMacrocellco-channeldeployment,,basedontheresearchofLTEopensourcesystemlevelsimulationplatformandtheinternalsystem-putingTechnology(ICT),ChineseAcademyofSciences(CAS),buildtheLTE-Femtocellsystem-levelsimulationplatformforthisarticle,andpriortotheproposedpowercontrolalgorithmsforsystem-,althoughtheperformancesoftheproposedpowercontrolalgorithmsmaybedifferent,butthereisacleartrade-offbetweentheMUEoutageandHUEperformance(outageandaveragethroughput),alltheproposedschemesmayreducetheinterferenceofHeNB’sontheMacrocelldownlink(DL):LTE,Femtocell,inter-cellinterferencec