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Interval-Based Localization using RSSI Comparison in MANETs

机译:在MANET中使用RSSI比较的基于间隔的本地化

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摘要

The knowledge of node positions is essential to many applications of wireless sensor networks. We propose an original model-free technique for localization in mobile ad hoc sensor networks (MANETs). Region constraints are set by a comparison of the received signal strength indicators (RSSIs) at both anchors and nonanchor nodes. The accuracy of this method remains in the way that it overcomes the use of the channel pathloss model. It is thus naturally adapted to nonstationary environments. The proposed approach uses interval analysis and constraints satisfaction techniques to compute accurate locations in a guaranteed way. Simulations are performed on group trajectories of sensors whose movements are generated using a reference point group mobility model. The simulation results confirm the efficiency of the proposed method and show that it outperforms the anchor-based methods in terms of accuracy and estimation errors.
机译:节点位置的知识对于无线传感器网络的许多应用至关重要。我们提出了一种原始的无模型技术,用于在移动自组织传感器网络(MANET)中进行本地化。通过比较锚点和非锚点的接收信号强度指示器(RSSI)来设置区域约束。该方法的准确性仍然可以克服使用信道路径损耗模型的方式。因此,它自然适用于非平稳环境。所提出的方法使用区间分析和约束满足技术以有保证的方式计算准确的位置。对使用参考点组移动性模型生成运动的传感器的组轨迹执行模拟。仿真结果证实了该方法的有效性,并在准确性和估计误差方面均优于基于锚的方法。

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