简介：Self-configurationofphysicalcellidentity(PCI)isakeyfeatureforthelongtermevolutionadvanced(LTE-A)network.ThePCIisusedtoidentifythedifferentcellsinthesystem,becominganessentialcellconfigurationparameter.ConsideringtheuncoordinateddeploymentsoftheevolvedNodeB(eNodeB)andthelimitednumberofPCI,thePCIassignmentforcellswouldbequitecomplex.ThispaperpresentsandputsforwardagraphtheorybasedcentralizedPCIself-configurationscheme(GT-PCIS).ThePCIself-configurationproblemismappedtothewell-knownminimumspanningtree(MST)probleminordertooptimizethePCIreusedistanceanddecreasethemultiplexinginterferencethroughouttheentirenetwork.TheproposalprovidesagreedysearchtomakethelocallyoptimalselectionofPCIateachstage,andtoachieveaglobaloptimum.Todemonstratethealgorithmvalidity,performancesofGT-PCISandmanualconfigurationareevaluated.SimulationresultsshowthattheproposedGT-PCISoutperformsotherconfigurationalgorithmsevenundertheconditionofseverePCIdeficiency.

简介：这篇文章探索短期依赖(SRD)和fractal-binomial-noise-drivenPoissonprocess(FBNDP)产生的自我类似的交通的long-rangedependence(LRD)当模特儿并且在前者上放强调。由模拟，有林中小丘价值和山峰的增加的腐烂的趋势评估的SRD分别地被获得。在自我类似紧张的精确性的全面分析以后，山峰率的最佳的范围被考虑时间费用，自我类似紧张的精确性，和SRD的效果决定。