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文件名称：Interference aware resource allocation for hybrid hierarchical wireless networks
文件大小：876KB
文件格式：PDF
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.