水下声传感器网络节点自定位研究

以无线传感器网络（WSN）水下应用为背景，针对水下环境的特殊性，提出了一种基于聚类的分布式无锚点网络节点自定位算法：采用分布式坐标计算，有利于网络节点能量的合理使用；同时，不需位置已知的锚节点，方便了水下环境的应用。仿真论证了影响算法精度的因素，并对比了LAR和MET两种坐标确定方法。对水下WSN应用研究具有重要的参考价值。

Research on Node Localization in Underwater Acoustic Sensor Networks

Due to wireless sensor networks in the underwater environment where GPS cannot be used, a scalable and distributed anchor-free position method is proposed, which takes a distributed calculation and helps saving node energy; and anchor nodes are not used, which can be applied in underwater environment expediently. The simulating results demonstrate factors which affect the accuracy of the algorithm, compared with two kinds of methods of LAR and MET. The proposed method has important referential value for the...