业务重要性评估与ad+hoc网络带宽分配技术研究

《业务重要性评估与ad+hoc网络带宽分配技术研究》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、ABSTRACTABSTRACTWiththeemergenceofavarietyofnewapplicationsinthenetwork,moreandmoretraffictypeappeared.Differenttypesoftraffictransmittinginthenetworksoflimitedresourcesgiverisetotheneedofassessingtheimportanceoftraffic.Theresearchoftrafficimportanceassessme

2、ntmethodsisbecomingahotissue.Atthesametime,howtoreasonablyallocateresourcestovarietyofapplicationsunderthepremiseoflimitedresources,isalsoanurgentproblem.InmobileAdHocnetworks,thegoalofresourceallocationistomeettheuser'sneedsandoptimizetheutilityofresourcesa

3、smuchaspossible.Thismeansthatresourceallocationtechniquesrequirenotonlyachievingthegoalofoptimalallocation,butalsodynamicallyadjustingtheallocationofresources,inordertoadapttochangesofthenetworkenvironment.Thisdissertationfirstintroducesthebackgroundandcurre

4、ntresearchsituationofthetrafficimportanceassessmentmethodsandresourceallocation,andfocusesonadetaileddiscussionandanalysisofthefollowingfouraspects:1.Putforwardtheconceptoftrafficimportancebasedontrafficpriorityandproposedatable-basedtrafficimportanceassessm

5、entmethod.Thetwo-dimensionaltableoftrafficimportanceintegratesbothtrafficpriorityanduserpriority.Andthethree-dimensionaltableincludesmissionbesidestheabovetwo.Themethodcancalculatethevalueoftrafficimportancewithdifferenttrafficpriorityanduserprioritybyformul

6、ainashorttime.Meanwhilethemethodcanalsodynamicallyadjustthescopeofthevalueandthevalueitselfoftrafficimportanceaccordingtotheneed.2.ProposedatrafficimportancebasedAdHocnetworkbandwidthallocationalgorithm—IABAA（Importance-BasedAdHocnetworkBandwidthAllocationAl

7、gorithm）.Thealgorithmusesthesameutilityfunction,differentparameterstoindicatetheimportanceofdifferenttraffic.Thetargetofbandwidthallocationistomaximizethetotalutilityvalueofaccessingtraffic.Heuristicmethodisusedinsolvingthemaximumtotalutilityintheaboveproces

8、stoobtainabettersolution.Thealgorithmtakestheadditionalmeasurementtoprotectthetrafficwithhighimportance.3.UseJavalanguagetopreliminaryachievetheuserinterfaceofassessmenttrafficII万方数据ABSTRACTimpo