应用三个移动锚节点的非测距定位方法

被引:3
作者
崔焕庆 [1 ,2 ,3 ]
王英龙 [1 ,2 ,3 ]
周传爱 [4 ]
机构
[1] 山东科技大学信息科学与工程学院
[2] 山东省计算中心
[3] 山东省计算机网络重点实验室
[4] 青岛滨海学院综合学院
关键词
移动锚节点; 非测距; 无线传感器网络; 质心; 定位;
D O I
10.16452/j.cnki.sdkjzk.2011.01.008
中图分类号
TP212.9 [传感器的应用]; TN929.5 [移动通信];
学科分类号
摘要
针对使用单个移动锚节点的非测距定位方法精度较低的问题,提出一种使用三个移动锚节点的非测距定位方法:三个锚节点在移动过程中相对位置不变,并周期性广播数据包,而未知节点利用接收到的具有相同时间戳的两个或者三个锚节点信息进行质心定位。采用Scan作为信标的移动路径,并使用OMNET++进行了仿真实验,结果表明,该方法比使用单个移动锚节点提高了定位精度,且不受节点部署密度的影响。
引用
收藏
页码:53 / 57+67 +67
页数:6
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