无线传感器网络中节能路由策略研究

《无线传感器网络中节能路由策略研究》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、AbstractWirelesssensornetworksarewidelyusedinenvironmentalmonitoring.WecangetrelevantenvironmentaldataquicklybyusingWSNtechnology.Thesensornodesgetthedatafrommonitoringareafordataanalysis,sowecanmakeanaccuratejudgmentoftheenvironmentalsituationoftheregionandtota

2、keeffectivemeasures.However,theenergysupplyofsensornodesislimited,nodesprematuredeathcausenetworkfailure,shorteningthenetworklifetime.So,howtobalancetheenergyconsumptionofnodestoextendthenetworklifetimeistheresearchfocusonwirelesssensornetworksapplications.Theen

3、ergy-efficientwirelesssensornetworkroutingstrategiesareanalyzedin・depthfromtheinfluencingfactorsofwirelesssensornetworkroutingstrategy.Basedontheaboveanalysis,inviewofthecurrentroutingprotocolsinwirelesssensornetworksenergyconsumptionisnotuniform.Thispaperpropos

4、edanenergy-balancedclusteringroutingstrategyforwirelesssensornetworks(EBCR).Inthestageofselectingclusterhead,wetakethenoderesidualenergy,thespeedofenergyconsumptionandthedistancebetweenwithBSintoconsideration,improvedtheclusterheadselectionprocess•Theclustersclo

5、serstotheBShavesmallersizethanthosefartherawayfromtheBS,soastoachieveaneffectivebalancebetweenenergyanddistributionofclusterheads.SimulationresultsshowthatinsmallscalewirelesssensornetworkstheEBCRstrategyreducingtheenergyconsumptionamongclusterheads,balancingthe

6、networkenergyconsumptiondistribution,effectivelyextendthenetworklifetime.BasedonEBCRroutingstrategy,thispaperfurtherconsiderstheapplicationofcompressedsensinginenergy-savingrouting.Thispaperintroducesthedistributedcompressedsensingtechnologyanddesignanenergy-sav

7、ingroutingstrategybasedondistributedcompressedcensing(ESRS).ThenewroutingstrategyESRScombinescompressedsensingtechnology.Itcompressesdatainclusterheadtoreducetheamountofdatatransferred.Thedatawillbetransmittedtothebasestationbywirelesstransmissionprotocol,andthe

8、nreconstructtheoriginaldataseriesthroughthereconstructionalgorithm.Simulationresultsshowthatinsmall-scalewirelesssensornetworks,ESRSfurtherreducetheenergyconsumptioni