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基于节点间覆盖关系的改进DV-Hop算法

DOI: 10.13190/j.jbupt.2014.01.008, PP. 35-38

Keywords: 传感器网络,节点定位,DV-hop算法

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Abstract:

针对经典DV-hop算法在估计跳数时所引起的定位误差,提出了基于覆盖比例的定位算法.根据两节点间的通信覆盖率引入跳数系数,降低了每跳距离产生的误差,精确未知节点距参考节点的位置.仿真结果表明,改进的算法能使节点的定位精确度提高,使误差比原始算法降低10%左右.

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