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基于TinyOS的TDOA测距误差修正方法

DOI: 10.13190/jbupt.200801.22.056, PP. 22-25

Keywords: 无线传感器网络,定位,测距,测量误差

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Abstract:

为进一步提高传感器节点间距离的测量精度,分析了基于TinyOS的TDOA测距方法的误差来源,提出了路径平均温度补偿、时间因子补偿和位同步补偿等误差修正方法,建立了以最小二乘法为基础的误差修正数学模型.实验结果表明,修正算法及所建立的数学模型能有效抑制测量误差,提高测量精度.

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