基于移动锚节点与多级通信的三维传感器网络节点自定位算法研究.pdfVIP

第27卷 第6期 传 感 技 术 V01．27 No．6 2014年6月 CHINESE JOURNALOFSENSORS June2014 Three-DimensionalSensorNetworkNodeSelf-LocalizationAlgorithm BasedonM obilityAnchorNodesandMulti-LevelCommunication JINGXiumei ，ZHANGRengong (1．DepartmentofInformation，ZhejiangTo， VocationalCollegeofScienceandTechnology，Hangzhou311231，China； 2．DepartmentofMechanicalandElectricalEngineering，ZhejiangrongiiVocationalCollegeofScienceandTechnology，Hangzhou311231，China) Abstract：A new sensornodelocalizationalgorithm basedon theflyinganchorandthemulti．1evelcommunication (SNLSFAMC)onthebasisofthesensornodelocalizationschemewithflyinganchors(SNLSFA)ispresent．First，the mobileanchornodesprovidethreeorfourauxiliaryanchorpoints，which helpUStogettwonon-parallelline segments．Andthenwecan gettwoplaneswhich areperpendiculartothetwoline segmentsandgothrough the midpointofthem．Thesetwoplaneswillintersectwitheachothertoform alinewhichgoesthroughthenodetobe positioned．Finally，the distance between the auxiliary anchor point and the an-positioned node，as the communicationradius，canbeusedtoobtainthepositionoftheun—positionednode．Thesimulationresultsshow that ontheconditionofthesamenumberofnodes，theSNLSFAMC algorithm can improvethepositioningaccuracy comparedwithSNLSFA algorithm；Andontheconditionofthesamepositioningaccuracy，theSNLSFAMCalgorithm needlessanchornodes，aswellascanimprovetheresponsetime． Keywords：mobileanchornodes；multi．1evelcommunication：three．dimensionalnodeself-localization EEACC：7230 doi：10．3969／j．issn．1004—1699．2014．06．022 基于移动锚节点与多级通信的三维传感器网络节点自定位算法研究 景秀眉 ， 张仁贡 (1．浙江同济科技职业学院信息系，杭州 311231；2．浙江同济科技职业学院机电系，杭州311231) 摘 要 ：在基于移动锚节点的三维传感器网络节点自定位算法SNLSFA(SensorNodeLocalizationSchemebasedonFlying Anchors)的基础上 ，提出了一种新的基于移动锚节点与多级通信的三维传感器网络节点 自定位算法SNLSFAMC(SensorNode LocalizationSche