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Delaunay Network Topology Generation Algorithm for Wireless Sensor Networks

文献类型： 外文期刊

作者： Wu, Huarui 1 ; Gao, Ronghua 1 ;

作者机构： 1.Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Beijing 100097, Peoples R China

关键词： Wireless Sensor Networks;Delaunay;Topology;Communication Protocol

期刊名称：SENSOR LETTERS （ 影响因子：0.558； 五年影响因子：0.58 ）

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收录情况： SCI

摘要： Wireless sensor networks (WSNs) have a wide range of invaluable civil and military applications. A sensor network consists of an array of thousands of sensors of diverse types interconnected by a wireless communication network. Wireless sensor networks topology directly affects the overall network cost and survival time, but also affects communication performance between two nodes, power consumption and so on. A good topology can improve the efficiency of routing and MAC protocols, providing the foundation for data fusion, time synchronization and target localization. According to the triangulation feature of nodes in wireless sensor networks, Delaunay network topology generation algorithm is proposed in this paper, besides, the working and rotation mechanism of information node and energy node are given in detail. Simulation results show that, Delaunay network topology is fit for the communication among scattered nodes and data acquisition in complicated environment. Compared with star network, mesh network and mixed network, the network topology proposed in this paper has the better stability, least network and the longest survival time when the same nodes in a fixed region.

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