Monte Carlo Analysis of Nodes Deployment in Wireless Sensor Network Using Range-Free Location Methods

(整期优先)网络出版时间:2010-02-12
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AMonteCarloAnalysisofnodesdeploymentforlarge-scaleandnon-homogeneouswirelesssensornetworks,hasbeendone.Throughsimulationsofrandomdeploymentsofnodesoverasquareareausingdifferentdensities,assumingthatournetworkiscomposedbyAnchornodes(specialsensorswithknownposition)andsimpleSensornodes,thelatteraresupposedtoestimatetheirownpositionafterbeingplacedwithinthecoverageareawiththeminimumAnchornodesneededto'feed'themwiththenecessaryinformation.Thegoalisthentoassistdecision-makersinselectingamongdifferentalternativestodeploythenetworks,accordingtoresourcesfeaturesandavailability,hencethismethodprovidesanestimatevalueofhowmanyAnchornodesshouldbedeployedinagivenareatotriggerthelocationalgorithminthegreatestpossiblenumberofSensornodesinthenetwork.