欢迎来到天天文库
浏览记录
ID:5383100
大小:776.80 KB
页数:7页
时间:2017-12-08
《基于移动锚节点与多级通信三维传感器网络节点自定位算法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、第27卷第6期传感技术V01.27No.6CHINESEJOURNALOFSENSORS2014年6月June2014Three-DimensionalSensorNetworkNodeSelf-LocalizationAlgorithmBasedonMobilityAnchorNodesandMulti-LevelCommunicationJINGXiumei,ZHANGRengong(1.DepartmentofInformation,ZhejiangTo,VocationalCollegeofScienceandTechnology,Hangzhou311231,Chin
2、a;2.DepartmentofMechanicalandElectricalEngineering,ZhejiangrongiiVocationalCollegeofScienceandTechnology,Hangzhou311231,China)Abstract:Anewsensornodelocalizationalgorithmbasedontheflyinganchorandthemulti.1evelcommunication(SNLSFAMC)onthebasisofthesensornodelocalizationschemewithflyinganchors
3、(SNLSFA)ispresent.First,themobileanchornodesprovidethreeorfourauxiliaryanchorpoints,whichhelpUStogettwonon-parallellinesegments.Andthenwecangettwoplaneswhichareperpendiculartothetwolinesegmentsandgothroughthemidpointofthem.Thesetwoplaneswillintersectwitheachothertoformalinewhichgoesthroughth
4、enodetobepositioned.Finally,thedistancebetweentheauxiliaryanchorpointandthean-positionednode,asthecommunicationradius,canbeusedtoobtainthepositionoftheun—positionednode.Thesimulationresultsshowthatontheconditionofthesamenumberofnodes,theSNLSFAMCalgorithmcanimprovethepositioningaccuracycompar
5、edwithSNLSFAalgorithm;Andontheconditionofthesamepositioningaccuracy,theSNLSFAMCalgorithmneedlessanchornodes,aswellascanimprovetheresponsetime.Keywords:mobileanchornodes;multi.1evelcommunication:three.dimensionalnodeself-localizationEEACC:7230doi:10.3969/j.issn.1004—1699.2014.06.022基于移动锚节点与多级
6、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(SensorNodeLocalizationSchemebasedonFlyingAnchors)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(SensorNodeLocalizationSchemebasedonFlyingAnchorsandMuhi—levelCommunication)。首先由移动锚节点提
7、供3个或4个辅助定位点,再由辅助定位点得到两条非平行线段,然后过线段中点分别做垂直于线段的平面,经两平面相交后得到一条经过待定位节点的直线,最后利用辅助定位点与待定位节点之间的距离作为通信半径即可得到待定位节点的位置。仿真结果表明,与SNLSFA相比,在相同锚节点数量下,SNLSFAMC提高了定位精度,且在相同定位精度下,SNLSFAMC降低了对锚节点数量的需求,提高了算法的响应时间。关键词:移动锚节点;多级通信;三维节点自定位中图分类号:TP393文献标识码:A文章编号:1004-1699
此文档下载收益归作者所有