ADAPTIVE RESOURCE ALLOCATION TECHNIQUES IN OFDMA USING CROSS-LAYER ARCHITECTURE-中国Betway体育网页登陆

摘要 Thispaperutilizesthecross-layerarchitecturetoimplementadaptiveresourceallocationinOrthogonalFrequencyDivisionMultipleAccess(OFDMA)basedonthebroadbandwirelessaccesssystem.Accordingtothecross-layerarchitecture,theinformationinlinklayerisusedforadaptiveresourceallocationinOFMDA.Anewcross-layeradaptiveresourceallocationalgorithmisdevelopedwhichcanguaranteetheuserstobeinminimumaveragewaitingtimeinlink-layerandgetthebetterspectrumutilization.Numericalresultsshowthatourschemeisappealingandcangetabouthalfofaveragewaitingtimelessand0.5bps/HzspectrumutilizationmorethantheschemeinIEEE802.16a.

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ADAPTIVE RESOURCE ALLOCATION TECHNIQUES IN OFDMA USING CROSS-LAYER ARCHITECTURE

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