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首頁> 外文期刊>Advances in Science and Technology Research Journal >A NEW METHOD FOR LOCALIZATION OF WIRELESS SENSOR NETWORKS BASED ON PATH PLANNING OF MOBILE ROBOTS
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A NEW METHOD FOR LOCALIZATION OF WIRELESS SENSOR NETWORKS BASED ON PATH PLANNING OF MOBILE ROBOTS

機譯:基于移動機器人路徑規劃的無線傳感器網絡定位新方法

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摘要

With an explosive growth of wireless sensor networks (WSN), many of their features and applications have become important. Localization of sensor nodes is one of the most important problems in WSN whose accuracy has a very large impact on its performance. Global positioning system (GPS) is a well-known and powerful way which differentiates methods of its use on each node individually. But, because of high energy consuming and processing GPS, it is inappropriate for WSNs. Different algorithms are suggested to overcome the consumed cost of GPS by putting GPS on only some nodes instead of all nodes in the network for localization. So, for nodes localization, just a number of nodes exploit GPS and, they can help other nodes of network in localization via distribution of their coordinates. The use of a mobile robot to send signals to coordinate the target node localization is a good idea. The mobile robot should move in the right path and can localize node more accurately at lower cost. This paper proposes a new method to localize all nodes through some localized nodes based on graph theory in a tree and network topology. The proposed method provides better performance at the cost of accuracy and the number of nodes that can be made up of local consumption.
機譯:隨著無線傳感器網絡(WSN)的爆炸性增長,其許多功能和應用已變得非常重要。傳感器節點的定位是WSN中最重要的問題之一,其準確性對其性能有很大的影響。全球定位系統(GPS)是一種眾所周知的功能強大的方法,可將其在每個節點上的使用方法區分開來。但是,由于高耗能和處理GPS,因此它不適用于WSN。建議通過將GPS僅放置在網絡中的某些節點上而不是網絡中的所有節點上來進行定位,從而克服GPS消耗的成本的各種算法。因此,對于節點定位,只有許多節點利用GPS,并且它們可以通過分布其坐標來幫助網絡中的其他節點進行定位。使用移動機器人發送信號來協調目標節點的定位是一個好主意。移動機器人應沿正確的路徑移動,并可以以較低的成本更精確地定位節點。本文提出了一種基于圖論的樹狀結構和網絡拓撲結構通過所有局部節點對所有節點進行局部定位的新方法。所提出的方法以精度和可以由本地消耗組成的節點數為代價提供了更好的性能。

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