Ad Hoc Wireless Network Traffic—Self-Similarity and Forecasting 2002

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1、IEEECOMMUNICATIONSLETTERS,VOL.6,NO.7,JULY2002297AdHocWirelessNetworkTraffic—Self-SimilarityandForecastingQilianLiang,Member,IEEEAbstract—Lotsofworkshavebeendonefortheself-similaritywidelyusedtoverifyself-similarityoftime-series.Sincetheofethernetandworldwidewebtraffic.Inthislette

2、r,westudyAHNtrafficisself-similar,itscharacteristicscanbecaptured.theadhocwirelessnetworktrafficcollectedinadhocnetworkWeapplyafuzzylogicsystemtoAHNtrafficforecasting.All(AHN)testbedandshowthattheadhocwirelessnetworktrafficthesestudiesareveryimportantforevaluatingnetworkcapacitya

3、reself-similar,whichvalidatethatAHNtrafficisforecastablebe-causeself-similartime-seriescanbeforecasted.Weapplyafuzzyanddeterminingthebatterypowermodebasedontheforecastedlogicsystemtoadhocwirelessnetworktrafficforecastingandsim-trafficworkload.ulationresultsshowthatitperformsmuchb

4、etterthandoesanInthefollowingsections,theself-similarityofAHNtrafficisLMSadaptivefilter.Allthesestudiesareveryimportantforeval-studiedinSectionII;theAHNtrafficforecastingispresenteduatingnetworkcapacityanddeterminingthebatterypowermodeinSectionIII;andconclusionsandfutureworksarep

5、rovidedinbasedontheforecastedtrafficworkload.SectionIV.IndexTerms—Adhocnetworks,fuzzylogicsystems,networktraffic,self-similarity.II.SELF-SIMILARITYOFADHOCNETWORKTRAFFICI.INTRODUCTIONForadetaileddiscussiononself-similarityintime-series,seeECENTLY,ithasbeenobservedthatethernetvideo

6、/[7],[8].Herewebrieflypresentitsdefinition[1].Givenazero-Rvoice/datatraffichaveself-similarity[2],[3],[8].Ac-mean,stationarytime-series,wede-cordingtoStallings[7],“Self-similarityissuchanimportantfinethe-aggregatedseriesconceptthat,inaway,itissurprisingthatonlyrecentlyhasbysummin

7、gtheoriginalseriesovernonoverlappingblocksitbeenappliedtodatacommunicationstrafficanalysis.”andofsize.Thenit’ssaidthatis-self-similar,if,forallpos-“Since1993,anumberofstudiesreportedintheliteraturehaveitive,hasthesamedistributionasrescaledby.documentedthatthepatternofdatatraffici

8、swellmodeledThatisbyself-similarprocesse