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An Improved Localization Algorithm for Anisotropic Sensor Networks

机译:各向异性传感器网络的一种改进的定位算法

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Aiming at the problem that the multi-hop range-free wireless localization algorithm is sensitive to the influence of the anisotropic sensor network factors, we propose a new approach for localization in wireless sensor networks based on regularization algorithm. We first construct the mapping model using the hop-counts and the distance between anchors, and regularization algorithm is used to describe the optimal linear transformations between the hop-counts and the distance. We then use the hop-counts of no-anchors to anchors and this mapping model to the locations of the non-anchors. We evaluate our algorithm under irregular distribution of nodes and the uneven deployment of nodes, and analyze its performance. We also compare our approach with several existing approaches, and demonstrate our proposed algorithm can effectively avoid the network anisotropy.
机译:针对多跳无范围无线定位算法对各向异性传感器网络因素的影响敏感的问题,提出一种基于正则化算法的无线传感器网络定位新方法。我们首先使用跳数和锚点之间的距离构造映射模型,然后使用正则化算法描述跳数和距离之间的最佳线性变换。然后,我们使用无锚的跳数来锚定,并将此映射模型用于非锚的位置。我们评估了节点不规则分布和节点不均匀部署下的算法,并分析了其性能。我们还将我们的方法与几种现有方法进行了比较,并证明了我们提出的算法可以有效避免网络各向异性。

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