基于模糊控制的adhoc网络分簇策略的研究

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1、AbstractMobileAdHocnetworkismulti-hoptemporaryautomatedsystemwhichconsistsofagroupofmobileterminalnodes.ThearchitectureofAdHocnetworkisdividedintoplanarstructureandhierarchicalstructure.Intheplanarstructure,allnodesaretheoreticallyequal.Inthehierarchic

2、alstructure,AdHocnetworkisclassifiedinclusterswhichconsistofoneheadclusterandothersub-clusters.Clusterheadtakechargecommunicatingwithinacluster,andwithotherclusters.Thetaskfortheheadclusteriscomparativelyloaded,soitlikelybecomesthebottle-neckofthenetwo

3、rk.Therefore,ifsessentialforthenormalfunctionofnetworktochoosetheheadclusterreasonably.Theselectionoftheheadclusterdependsontheexecutionoftheclusteringalgorithm,whichperformancedirectlyaffectsthecapabilityoftheclusteringstructure.Thethesisfirstlyexplai

4、nsthetechnologyofAdHocnetwork,andintroducesclusteringalgorithmsofAdHocnetwork・SeveraltypicalclusteringalgorithmsinAdHocnetworkarediscussed,comparedandanalyzed.Amulti-weightclusteringalgorithmbasedonafuzzycontrollingtechniqueisproposed.Thealgorithmtakes

5、theaspectsofnodevelocity,degree,averagelifetimeoflinksandremainingenergyintoaccount,andmakestheclusteringstrategymoresimilartothepracticalsituation.、SecondlyTheuseoffuzzycontrollingtechniquesisinvestigated.Foraveragelifetimeoflinksandremainingenergyofn

6、ode,fuzzymembershipfunctionsaredefined.Thesimulationtestshowsthatcomparingwiththeoriginalalgorithm,advancedalgorithmcanreducethecommunicationaltimesandgreatlyimprovetheperformancewithoutobviouslyincreasingtheaccountandcommunicationalexpenditure.Atlast,

7、thethesisgivesaconclusionandpresentstheresearchdirection*KeyWords:AdHocnetwork;Chisteringalgorithm;Fuzzycontrol学位论文独创性声明、学位论文知识产权权屈声明学位论文独创性声明本人声明，所呈交的学位论文系本人在导师指导下独立完成的研究成果。文中依法引用他人的成果，均已做出明确标注或得到许可。论文内容未包含法律意义上已属于他人的任何形式的研究成果，也不包含本人已用于其他学位申请的论文或成果。本人

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