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Positioning Method for Outdoor Systems in Wireless Sensor Networks

机译:无线传感器网络中室外系统的定位方法

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摘要

In recent years, many researchers have actively studied communication protocols for wireless sensor networks. Most works are based on the assumption that each sensor node knows its own geographical position by GPS (Global Positioning System). For this, however, we have to pay an extra cost for implementing GPS modules in sensor nodes, and thus the size of sensor node should become large. In this paper, we propose a method by which all the nodes in the sensing field can recognize their own positions without equipping GPS modules in every node. In our scheme, only some nodes are equipped with the GPS modules when the sensing field is deployed, and the others can find out their positions through communications to GPS nodes. To validate our method, we carried out a computer simulation, and observed that all nodes could successfully recognize their own positions in 3 rounds.
机译:近年来,许多研究人员积极研究了无线传感器网络的通信协议。大多数工作都基于这样一个假设:每个传感器节点都可以通过GPS(全球定位系统)知道自己的地理位置。但是,为此,我们必须支付在传感器节点中实现GPS模块的额外费用,因此传感器节点的尺寸应变大。在本文中,我们提出了一种方法,通过该方法,感测场中的所有节点都可以识别自己的位置,而无需在每个节点中都配备GPS模块。在我们的方案中,部署感测场时,只有一些节点配备了GPS模块,而其他节点则可以通过与GPS节点通信来找到其位置。为了验证我们的方法,我们进行了计算机仿真,并观察到所有节点都可以在3轮中成功识别出自己的位置。

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