%0 Journal Article %T 无线传感器网络中一种新的分布式定位方案研究 %A 匡兴红 %A 邵惠鹤 %A 冯瑞 %J 自动化学报 %P 344-348 %D 2008 %R 10.3724/SP.J.1004.2008.00344 %X ?Nodelocalizationinwirelesssensornetworks(WSN)istreatedasafunctionaldualoftargettrackingfromanovelperspectiveinthepaper.DifferentfromthetraditionaltrackingprobleminWSN,usingthestaticlocation-warenodetoestimatethemovingtarget,themobilenodeisusedtohelpunknownnodestoaccuratelydiscovertheirpositions.Anewnodelocalizationschemevirtualbeacons-energyratioslocalization(VB-ERL)anditsrefinementsfortheWSNarepresented.Inthescheme,themobilenodemovesinthesurveillantfieldbasedontheGauss-Markovmobilitymodelandperiodicallybroadcaststheinformationpackets.Eachstaticunknownnodereceivesthevirtualbeaconsandenergyinitssensingrange,andestimatesitslocationbyfindingtheintersectionofasetofhyper-spheres.Simulationresultsshowtheproposedschemeisefficient. %K Wirelesssensornetworks(WSN) %K nodelocalization %K virtualbeacon %K energyradio %U http://www.aas.net.cn/CN/abstract/abstract15886.shtml