摘要
为了提高无线传感器网络中节点定位的精确度,分析了DV-Hop(distance vector—hop,距离向量-跳段)定位算法和质心算法的优缺点,提出基于加权质心和DV-Hop混合算法,并用MATLAB进行了仿真实验。实验结果表明,在基准节点密度相同的条件下,混合算法的定位精度比DV-Hop平均提高了20%,比质心算法平均提高了15%。该混合算法在提高无线传感器节点精确度上是有效的。
The node positioning technology is very important in the research of wireless sensor networks, so how to improve the positioning precision is the objective. The paper analysed the advantages and disadvantages of the distance vector-hop （ DV- Hop） and the eentroid algorithm, then put forward an algorithm that mixed the weighted centroid and the DV-Hop. Simulated the mixed algorithm in MATLAB. The experimental results show that the accuracy of the mixed algorithm is higher 20% than the DV-Hop and 15% than the centroid in the same experiment environment.
出处
《计算机应用研究》
CSCD
北大核心
2009年第6期2248-2250,共3页
Application Research of Computers
基金
武汉市重大科技攻关项目(200710321090)
武汉理工大学"211"学科建设项目
