期刊文献+

用于无线传感器网络的节点间协同定位算法的设计 被引量:3

A Cooperative Node Localization Algorithm in Wireless Sensor Networks
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摘要 给出一种无线传感器网络中无锚节点情况下的节点间相互协同定位的算法。它首先将节点进行分簇,把角度测量和距离测量结合起来,通过方位协同,逐步对同步中的节点进行方位调整和坐标调整,从而计算出所有节点的相对坐标。仿真结果表明,在节点随机分布的情况下,该算法比起业界公认的聚类SPA算法在网络覆盖率、定位误差率和通信开销3个方面都有更好的表现。 An anchor-free localization algorithm in wireless sensor networks is presented. Using nodes clustering and direction cooperation, the algorithm adjusts nodes'directions and coordinates with angle and range measurement to compute all nodes' relative coordinates. Simulation results show that the network coverage ,localization error rate and communication expense of the algorithm are better than clustering-based self-positioning algorithm.
出处 《传感技术学报》 CAS CSCD 北大核心 2015年第5期709-716,共8页 Chinese Journal of Sensors and Actuators
基金 宁波市自然科学基金项目(2013A610125) 国家自然科学基金项目(61379023)
关键词 无线传感器网络 协同定位算法 无锚节点定位 节点分簇 wireless sensor networks cooperative localization algorithm anchor-free localization nodes clustering
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参考文献16

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