基于ofdma接入技术的无线网络资源分配算法-研究

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1、重庆大学硕士学位论文英文摘要subcarrierallocationisdividedintotwophases:Inthefirstphase,subcarrierallocationensuresthateachusercanobtaincertainnumberofsubcarrierwhileinthesecondphasethetotalutilityisfurtherimproved.Furthermore,byconsideringthelimitedpowersandqualityofserviceofuse

2、rs,thethesisobtainstheoptimalpowerallocationbasedoniterativewater-fillingalgorithm.Inparticular,ourproposedalgorithmisbasedonthelatestswarmintelligentalgorithm—intelligentwaterdropalgorithm,whicheliminatestheimposedrestrictiononthattheutilityfunctionmustbeconcave.S

3、imulationresultsshowthatouralgorithmoutperformsexistingresourceallocationintermsofconvergence,totalutilitiesandfairnessofresourceallocation.Keywords:OFDMA,wirelessnetworks,resourceallocation,fairness,intelligentwaterdrop(IWD)III重庆大学硕士学位论文目录目录中文摘要...................

4、.......................................................................................................................I英文摘要.........................................................................................................................................II1绪

5、论.........................................................................................................................................11.1论文的研究背景....................................................................................................................

6、....11.1.1OFDM调制与OFMDA多址接入技术概述......................................................................11.1.2无线认知AdHoc网络概述...............................................................................................21.1.3无线蜂窝网络概述.....................................

7、........................................................................41.2基于OFDMA无线网络中的资源分配研究现状概述............................................................61.3本文的研究内容与相关工作..........................................................................................

8、..........81.4论文结构安排............................................................................................................................8