中的路由技术（英文版）课件

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1、MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworksQingsiWang,XinbingWangDepartmentofElectronicEngineeringShanghaiJiaoTongUniversity,ChinaXiaojunLinDepartmentofElectricalandComputerEngineeringPurdueUniversity,USAMobilityIncreasestheConne

2、ctivityofK-hopClusteredWirelessNetworks2OutlineIntroductionBackgroundMotivationsObjectivesK-hopClusteredNetworkModelsMainResultsandIntuitionsTheImpactofMobilityConcludingRemarks3Background–I/IIConnectivityisabasicconcernindesigningandimplementingwire

3、lessnetworks.Threemainschemesofconnectingstrategiesareproposedintheliterature.Distance-basedstrategyNumber-of-neighbor-basedstrategySector-basedstrategyMobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks4Background–II/IITheconnectivityof

4、networksunderthedistance-basedconnectingstrategyiswidelystudied:Thecriticalvalueof,overallconnectivitycanbeestablishedwithprobabilityapproachingoneasifandonlyif[1][2].MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks[1]P.GuptaandP.R.Ku

5、mar,“CriticalPowerforAsymptoticConnectivityinWirelessNetworks”,1998.[2]M.D.Penrose,“TheLongestEdgeoftheRandomMinimalSpanningTree”,1997.5MotivationThenetworkmodelsstudiedinthesepriorworksarenon-clustered(orflat)andstationarynetworks.Clusteringandmobil

6、ityhavebeenfoundtoimprovevariousaspectsofnetworkperformance.Studiesontheconnectivityofmobileandclusterednetworksarequitelimited.---Wedon’tevenknowthedefinitionoftheconnectivityundersuchcircumstances.MobilityIncreasestheConnectivityofK-hopClusteredWir

7、elessNetworksMobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks6Objective–I/IIOpenquestion:Whatistheimpactofmobilityonconnectivityofclusterednetworkssubjecttodelayconstraints?WestudyThecriticaltransmissionrangeforconnectivityK-hopmobile

8、clusterednetworks(delayguarantee)Randomwalkmobilitymodelwithnon-trivialvelocityi.i.d.mobilitymodel(fastmobility).MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks7Objective–II/IIWecomparewiththecriticaltransmissionrangeforconnectivityi