An Eliminating Method to Improve Localization Accuracy

An Eliminating Method to Improve Localization Accuracy
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一种提高定位精度的消除方法

DOI:
10.1155/2014/257507
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发表时间:
2014-06
影响因子:
2.3
通讯作者:
BaoqiuWang
BaoqiuWang
中科院分区:
计算机科学4区
文献类型:
--
作者:
Liangyin Chen;Bingshu Yan;Junjun He;Jingyu Zhang;Wen Chen;Yushi Jiang;Yan Liu;Qian Luo;BaoqiuWang

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节点定位在无线传感器网络 (WSN) 中至关重要。然而,由于节点能量和开销网络有限,无线传感器网络中的节点定位面临着许多挑战。此外,现有算法难以同时满足定位精度和能耗的要求。在本文中,我们提出了一种称为NPLA的新型消除算法,该算法实现了高定位精度并有效降低了能耗。它充分利用未知节点的多跳邻居节点来消除未知节点的可能位置区(PLA)。仿真结果表明,NPLA算法的定位误差可以控制在20%以内。
Node localization is essential in wireless sensor networks (WSNs). However, due to limited node energy and overhead network, node localization faces many challenges in WSNs. In addition, it is difficult to meet the requirement of localization accuracy and energy consumption at the same time in existing algorithms. In this paper, we proposed a novel eliminating algorithm called NPLA which achieves high localization accuracy and reduces energy consumption effectively. It makes full use of multiple-hop neighbor nodes of unknown node to eliminate the possible location area (PLA) of the unknown node. Simulations show that the localization error of algorithm NPLA can be controlled within 20%.
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