DTN中的路由技术(英文版）

《DTN中的路由技术(英文版）》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworksQingsiWang,XinbingWangDepartmentofElectronicEngineeringShanghaiJiaoTongUniversity,ChinaXiaojunLinDepartmentofElectricalandComputerEngineeringPurdueUniversity,USAMobilityIncreasestheConnectivityofK-ho

2、pClusteredWirelessNetworks2OutlineIntroductionBackgroundMotivationsObjectivesK-hopClusteredNetworkModelsMainResultsandIntuitionsTheImpactofMobilityConcludingRemarks3Background–I/IIConnectivityisabasicconcernindesigningandimplementingwirelessnetworksThreemainschem

3、esofconnectingstrategiesareproposedintheliterature.Distance-basedstrategyNumber-of-neighbor-basedstrategySector-basedstrategyMobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks4Background–II/IITheconnectivityofnetworksunderthedistance-basedconnecting

4、strategyiswidelystudied:Thecriticalvalueof,overallconnectivitycanbeestablishedwithprobabilityapproachingoneasifandonlyif[1][2].MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks[1]P.GuptaandP.R.Kumar,“CriticalPowerforAsymptoticConnectivityinWireless

5、Networks”,1998.[2]M.D.Penrose,“TheLongestEdgeoftheRandomMinimalSpanningTree”,1997.5MotivationThenetworkmodelsstudiedinthesepriorworksarenon-clustered(orflat)andstationarynetworks.Clusteringandmobilityhavebeenfoundtoimprovevariousaspectsofnetworkperformance.Studie

6、sontheconnectivityofmobileandclusterednetworksarequitelimited.---Wedon’tevenknowthedefinitionoftheconnectivityundersuchcircumstances.MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworksMobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks6O

7、bjective–I/IIOpenquestion:Whatistheimpactofmobilityonconnectivityofclusterednetworkssubjecttodelayconstraints?WestudyThecriticaltransmissionrangeforconnectivityK-hopmobileclusterednetworks(delayguarantee)Randomwalkmobilitymodelwithnon-trivialvelocityi.i.d.mobilit

8、ymodel(fastmobility).MobilityIncreasestheConnectivityofK-hopClusteredWirelessNetworks7Objective–II/IIWecomparewiththecriticaltransmissionrangeforconnectivityin