Multihop localisation with distance estimation bias for 3D wireless sensor networks
Multihop localisation with distance estimation bias for 3D wireless sensor networks
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DOI：
10.1049/el.2012.1019
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发表时间：
2012-07
影响因子：
1.1
通讯作者：
R. Feng;Xiaolei Guo;J. Wan;Yongliao Wu;N. Yu
中科院分区：
文献类型：
--
作者：
R. Feng;Xiaolei Guo;J. Wan;Yongliao Wu;N. Yu
提出了一种考虑距离估计偏差的三维无线传感器网络多跳定位算法。这项工作是基于发现多跳距离估计误差近似服从各种偏差的正态分布。首先，通过计算边界立方体的交点或伪交点得到法向节点可行区域；然后，采用投影Levenberg-Marquardt方法同时求解节点位置和距离估计偏差。仿真结果验证了该算法的有效性。
A multihop localisation algorithm that incorporates the distance estimation bias for 3D wireless sensor networks is presented. This work is based on the discovery that the multihop distance estimation errors approximately obey normal distribution with various biases. First, the normal node feasible regions are obtained by calculating the intersections or pseudo-intersections of bounding cubes. Then, the node positions and the distance estimation bias are solved simultaneously by using the projected Levenberg-Marquardt method. Simulation results confirm the effectiveness of this algorithm.