大规模无线传感器网络环域多扇区分簇路由算法研究

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1、广东工业大学硕士学位论文ABSTRACTInlarge—scaleWirelessSensorNetworks(WSN)，thenodesaredistributedwidely,hi曲density,numerousandsensoringdataislarge．Thenode’Senergyconsumptionisdifferentsinceeachnodeprocessingdifferentinformation．Throughuniformclustering，randomelectionclusterhead

2、androtationbalancingnodeenergyconsumption．thiswillleadtoclusterheadselectionenergyconsumptioncostly,energyconsumptionunevenly,influencingthenetworksperformace．Inthisthesis，itisresearchedtheenergyconsumptionunbalancedinlarge—scalewirelesssensornetworks．Thisarticlef

3、ocusonhowtoprolongthenetworklifetimebymulti—strategyclustering，optimizeclusterheadelectionmechanism，balancenodesenergyconsumption．。Themainworkasfollows：Optimalnumberclusteringalgorithmwithmulti-parameterclusterheadelectioncluster(ONCA)isproposedtosolvetheproblemth

4、atrandomclusterelectionleadtoclusterheaduncertain．Calcalulatingthenumberofclusteringwhennetworkenergyconsumptionminimum，consideringtheresidualenergy,distancebetweetnodetobasestation，neighborhoodcardinality，maketheclusteringmorereasonable，reducingtheclusterheadelec

5、tioncost．Multi—sectorinringmulti-hopclusteringroutingalgorithm(MMCR)forlarge—scaleWSNisproposedtosolvetheenergyconsumptionunbalanced．(1)Thenetworkisdevidedsomeequaldistanceconcentriccircleswhosecenterisbasestation．Eachringisdivided必sectorsevenlyaccordingtothenumbe

6、rofclustering哟toensurethecluster(head)balancing；(2)Clusterheadiselectedineachsectoraccordingtothenode’Sresidualenergyandthedistancefromnodetobasestationtobalancetheenergyconsumptionandthisprocessgoesonthroughmulti-roundrotationmechanismineachring；(3)Singlehopinclu

7、stersinglehopandmulti-hopbetweenclusterheadswhentransmitdata．Inaddition．relayclusterheadiselectedbydistanceweightvalue．Moreover,MMCRisappliedinlarge—scalebatterychargeanddischargemoitoringsystem．ExperimentresultsshowtheMMCReffectiveinbalancingthenetworkenergyABSTR

8、ACTconsumptionandprolongingthenetworklife．Thisthesisfocusontheenergyconsumptionunbalancedissueinlarge-scalewirelesssensornetworks．MMCRisproposedtobalace