文件名称：Interference aware resource allocation for hybrid hierarchical wireless networks
文件大小：876KB
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更新时间：2014-05-01 16:07:53
resource allocation
ThispaperaddressestheproblemofinterferenceawareresourceallocationforOFDMA basedhybridhierarchicalwirelessnetworks.Wedeveloptworesourceallocationalgo- rithmsconsideringtheimpactofwirelessinterferenceconstraintsusingaweightedSINR conflictgraphtoquantifytheinterferenceamongthevariousnodes:(1)interferenceaware routingusingmaximumconcurrentflowoptimization;and(2)rateadaptivejointsubcar- rierandpowerallocationalgorithmunderinterferenceandQoSconstraints.Weexploit spatialreusetoallocatesubcarriersinthenetworkandshowthatanintelligentreuseof resourcescanimprovethroughputwhilemitigatinginterference.Weprovideasub-opti- malheuristictosolvetherateadaptiveresourceallocationproblem.Wedemonstratethat aggressivespatialreuseandfinetuned-interferencemodelinggarneradvantagesinterms ofthroughput,end-to-enddelayandpowerdistribution.