多业务CDMA网络中基于中断概率的CAC算法-豆柴文库

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多业务CDMA网络中基于中断概率的CAC算法
Title:CallAdmissionControlAlgorithmbasedonInterruptProbabilityinMulti-ServiceCDMANetworks
Abstract:
CallAdmissionControl(CAC)playsacriticalroleinmanagingqualityofservice(QoS)inmulti-serviceCodeDivisionMultipleAccess(CDMA)networks.ThispaperpresentsaCACalgorithmthatassessescalladmissiondecisionsbasedontheinterruptprobability,aimingtomaintainanoptimalbalancebetweennetworkresourceutilizationandQoSprovisioning.ThealgorithmfocusesonachievingefficientresourceallocationwhileensuringsatisfactoryQoSforbothexistingandincomingconnections.ExperimentalevaluationandperformanceanalysisoftheproposedalgorithmhavebeenconductedtovalidateitseffectivenessinmanagingmultipleservicesinCDMAnetworks.
Keywords:CDMAnetworks,calladmissioncontrol,interruptprobability,qualityofservice,resourceallocation
1.Introduction
TheexponentialgrowthofmobileserviceshasledtoanincreaseddemandforefficientresourcemanagementandQualityofService(QoS)provisioninginmobilenetworks.CDMAisawidelyusedtechnologythatallowsmultipleuserstosharethesamefrequencybandsimultaneously.ToensureQoSprovisioninginmulti-serviceCDMAnetworks,anefficientCallAdmissionControl(CAC)algorithmisneeded.ThispaperpresentsaCACalgorithmbasedontheinterruptprobability,aimingtoallocateresourcesoptimallywhilemaintainingsatisfactoryQoSforallservices.
2.RelatedWork
SeveralCACalgorithmshavebeenproposedintheliterature.Somealgorithmsfocusonresourcereservationstrategies,whileothersfocusonQoSparameterssuchasbandwidth,delay,andpacketloss.However,thesealgorithmsdonotconsidertheinterruptprobability,whichisessentialformaintainingfairnessamongservicesandmaximizingresourceutilization.TheproposedCACalgorithmaimstoaddressthisgap.
3.CACAlgorithmbasedonInterruptProbability
TheproposedCACalgorithmassessescalladmissiondecisionsbasedontheinterruptprobability,whichquantifiesthelikelihoodofanongoingcallbeinginterruptedduetolimitedresources.Thealgorithmfollowsthestepsoutlinedbelow:
Step1:MeasurementofSystemParameters
Thealgorithmmeasuressystemparameterssu