MIMO-OFDM系统的小区间干扰抑制技术研究-豆柴文库

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MIMO-OFDM系统的小区间干扰抑制技术研究
Title:AStudyonInterferenceSuppressionTechniquesforSmallCellinMIMO-OFDMSystems
Abstract:
Withtherapidgrowthofwirelesscommunicationandthedemandforhigherdatarates,Multiple-inputmultiple-outputorthogonalfrequencydivisionmultiplexing(MIMO-OFDM)systemshaveemergedasapromisingsolution.However,asthenumberofusersandthedensityofdevicesincrease,interferencebecomesacriticalissueinsmallcellenvironments.ThispaperaimstostudyandanalyzevariousinterferencesuppressiontechniquesforsmallcellsinMIMO-OFDMsystems.Theobjectiveistoenhancesystemperformanceandprovidereliableandhigh-qualitywirelesscommunicationinsmallcelldeployments.
1.Introduction
1.1Background
1.2Motivation
1.3Objectives
2.MIMO-OFDMSystem
2.1OverviewofMIMO-OFDMSystems
2.2BasicPrinciplesofMIMO-OFDMSystems
3.SmallCellInterferenceProbleminMIMO-OFDMSystems
3.1DefinitionandCharacteristicsofSmallCells
3.2ChallengesofSmallCellInterference
3.3EffectsofSmallCellInterferenceonSystemPerformance
4.InterferenceSuppressionTechniques
4.1InterferenceNulling
4.2AdaptiveBeamforming
4.3PowerControl
4.4FrequencyReuse
4.5Inter-cellInterferenceCoordination(ICIC)
5.PerformanceEvaluationandAnalysis
5.1MetricsforPerformanceEvaluation
5.2SimulationSetup
5.3AnalysisofInterferenceSuppressionTechniques
5.4ComparisonofDifferentTechniques
6.ExperimentalResultsandDiscussion
6.1SystemPerformancewithDifferentInterferenceSuppressionTechniques
6.2ImpactonUserExperienceandQualityofService
6.3LimitationsandChallengesofInterferenceSuppressionTechniques
7.ConclusionandFutureDirections
7.1SummaryofFindings
7.2ContributionsoftheStudy
7.3FutureResearchDirections
8.References
Inthispaper,wewillstartbyprovidinganintroductiontoMIMO-OFDMsystemsandtheirbasicprinciples.WewillthendiscussthespecificchallengesandeffectsofsmallcellinterferenceinMIMO-OFDMsystems.Furthermore,wewillanalyzeandevaluatevariousinterferencesuppressiontechniquessuchasinterferencenulling,adaptivebeamforming,powercontrol,frequencyreuse,andinter-cellinterferencecoordination(ICIC).
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