基于锚球交域重心的WSN三维定位算法研究

Computer Engineering and Applications(2013)

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Abstract
针对无线传感器网络在三维空间应用场景,基于Bounding Cube算法,提出一种基于锚球交域重心的无线传感器网络三维定位算法,通过求解相交球区域重心,确定未知节点可能的定位坐标位置。算法通过降维处理,简化了计算的复杂度。仿真结果表明,在10m×10m×10m的区域内随机部署1000个传感器节点,锚节点比例由4%增加到10%的过程中,算法的定位精度比BoundingCube算法平均提升了48.93%,仅需40个锚节点,就能将定位误差降低到31.96%。
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Key words
dimension reduction,three dimensional localizations,wireless sensor networks,positioning accuracy,cross-domain gravity center of anchor ball
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