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1、WFIOptimizedPWGPSforWirelessIPNetworks*XiangFEIAlanMARSHALLNetworksandDistributedSystemLab.AdvancedTelecommunicationsSystemsLab.DepartmentofElectronicsandComputerScienceSchoolofElectrical&ElectronicEngineering,TheUniversityofSouthamptonTheQueen’sUniversityofBelfastEngland,U.K.NorthernIreland,U.K.Ju
2、nzhouLUOComputerCommunicationsandNetworksGroupDepartmentofComputerScienceandEngineeringSoutheastUniversityP.R.ChinaAbstract--Theworst-casefairnessindex(WFI)hasprovedtobeanimportantmetricintheprovisionoffairnessandboundeddelayinbothwiredandwirelessnetworks.Afeatureofwirelesslinksislocationdependentb
3、ursterrorsthatresultindegradedWFI.ThispaperfirstlyanalyzestheprovisionforWFIwithexistingwirelesspacketschedulingtechniques,andbasedonthis,aWFIoptimizedPWGPS(PacketizedWirelessGeneralizedProcessorSharing)isproposed.ThiswirelesspacketschedulingalgorithmaimstoimprovetheaccuracyoftraditionalPWGPSandred
4、ucetheWFIforrealtimetrafficinwirelessIPnetworkssystem.Thedetailedalgorithmandsimulationresultsaregiven.AnalysisandsimulationsshowthattheWFIoptimizedPWGPSproposedcanimprovetheWFIforrealtimeflowwhileatthesametimemaintainlowcomplexity.Indexterms—ComputerCommunicationNetworks,SchedulingAlgorithms,HighP
5、erformance1EuropeanprojectIST-1999-10028)projectaimstospecify,INTRODUCTIONdesign,simulateanddevelopasystemtosupportInternet[1.]ThedevelopmentofInternettechnologyhasmadeitthecommunicationsoverwirelesslinks.TheprojectfocusesonmajorenvironmentforfuturecomputerandprovidingaunifiedQoSarchitectureforwire
6、lessaccesstelecommunicationsnetworks;inthemeantime,wirelessnetworks.Itfeaturesaplatformindependentimplementationcommunicationshavealsoexperiencedrapidgrowth.Theofvariousprotocolboosters,calledWAL(WirelessAdoptiondesireforaccesstoInternetservicesanytime,anywhereorLayer),andisconcernedinitiallywithth
7、reenetworktypes,evenwhileonthemoveisthedrivingforceofwirelessIEEE802.11,Bluetooth,andHiperLAN-2,asshowninFigureinternetworking.However,theconvergenceofInternetand1.wirelesscommunicationspresentsanumberofpro
