协作ofdma系统中无线资源分配技术的研究

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1、哈尔滨工业大学工学硕士学位论文implementationinmostpracticalcooperativeOFDMAsystemsbeingconsideredfordeployment,namely,timelinessrequirementsofsystemoperationcannotbesatisfiedwiththesemethods.Basedonthedualoptimizationanddecompositiontheory,theoriginaloptimizationproblemisanalyzedinthisdissertation,

2、andtheresultsoftheoreticalanalysisareexploitedtoguidepracticalalgorithmdevelopment.Thegeneralalgorithmframeworkproposedinthisdissertationviewstheproblemofjointsubcarrierandpowerallocationasacombinationofamarginalrateconstrainedproblemwithequalpowerallocationassumptionandanextrapowera

3、llocationproblemtoreducecomputationalcomplexities.Numericalresultsandcomparisonswithvariousotherresourceallocationalgorithmsillustratethefactthattheproposedalgorithmcanobtainanear-optimalsolutionwithcomparativelylowcomputationalcomplexity,sothattheproposedalgorithmtoagreatextentcanim

4、provethesystemresourceefficiencyaswellassystemperformancegiventhatusers’QoSguaranteesareensured.Keywords:OFDMA,CooperativeCommunication,RadioResourceAllocation,Uplink-III-哈尔滨工业大学工学硕士学位论文目录摘要..............................................................................................

5、.............................IAbstract.......................................................................................................................II第1章绪论............................................................................................................11.1课题来源及背景.

6、..............................................................................................11.2研究的目的及意义...........................................................................................21.3国内外研究现状及分析.........................................................................

7、..........41.3.1OFDMA系统无线资源分配算法研究现状.............................................41.3.2协作OFDMA系统资源分配研究现状...................................................41.4本文的主要研究内容及结构...........................................................................5第2章协作OFDMA系统模型........................

8、............