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1、Availableonlineatwww.sciencedirect.comSensorsandActuatorsA142(2008)379389EnergymanagedreportingforwirelesssensornetworksGeoffV.Merrett?,NickR.Harris,BashirM.Al-Hashimi,NeilM.WhiteESDGroup,SchoolofElectronicsandComputerScience,UniversityofSouthampton,UKReceived25September200
2、6;receivedinrevisedform14April2007;accepted15April2007Availableonline19April2007AbstractInthispaper,weproposeatechniquetoextendthenetworklifetimeofawirelesssensornetwork,wherebyeachsensornodedecidesitsindividualnetworkinvolvementbasedonitsownenergyresourcesandtheinformation
3、containedineachpacket.Theinformationcontentisascertainedthroughasystemofrulesdescribingprospectiveeventsinthesensedenvironment,andhowimportantsucheventsare.Whilethepacketsdeemedmostimportantarepropagatedbyallsensornodes,lowimportancepacketsarehandledbyonlythenodeswithhighen
4、ergyreserves.Resultsobtainedfromsimulationsdepictingawirelesssensornetworkusedtomonitorpumptemperatureinanindustrialenvironmenthaveshownthataconsiderableincreaseinthenetworklifetimeandnetworkconnectivitycanbeobtained.Theresultsalsoshowthatwhencoupledwithaformofenergyharvest
5、ing,ourtechniquecanenableperpetualnetworkoperation.?2007ElsevierB.V.Allrightsreserved.Keywords:Wirelesssensornetworks;Industrialmonitoring;Energyaware;Energyharvesting1.IntroductionALS/RMR(InformationmanageDEnergyawareALgorithmforSensornetworkswithRuleManagedReporting).Thee
6、xtensionAwirelesssensornetwork(WSN)typicallyconsistsofainthenetworklifetimeisachievedatthepossiblesacri?ceofnumberofsmall,inexpensive,locallypoweredsensornodeslowimportancepackets,asaresultofaunionbetween:thatcommunicatedetectedeventswirelesslythroughmulti-hoprouting[1].WSN
7、sarecontinuingtoreceiveescalatingresearch?Informationcontrol,quanti?edbyasystemofrules,referredinterestdue,inpart,totheconsiderablerangeofapplicationstotoasrulemanagedreporting(RMR).whichtheyaresuited.Applicationsincludeenvironmentalmon-?Energymanagement,supplementedbyenerg
8、yharvesting,foritoring[2],healthcare[3],anddefence[4].Thecostofinstallingexample,m
