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首页> 外文期刊>電子情報通信学会技術研究報告. ネットワ-クシステム. Network Systems >A distributed method for controlling coverage area using local topology information for wireless networks
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A distributed method for controlling coverage area using local topology information for wireless networks

机译：使用用于无线网络的本地拓扑信息来控制覆盖区域的分布式方法

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摘要

In wireless mesh networks and some wireless sensor networks, each node has its own coverage area for providing the services. In order to cover the entire field while reducing the overlaps of coverage area, it is important to determine the coverage area size by using the location information of neighboring nodes. However, such information cannot always be obtained. In this report, we introduce the method to determine the coverage area size by utilizing the distance information estimated from received signal strengths only. Specifically, in the proposed method, each node estimates the relative locations of its neighbors based on the estimated distance information. It then sets its coverage area size based on the shape of this area, which is computed by utilizing the location information. Through simulation experiments, we confirm that our method can maintain more than 99% coverage of the total area, regardless of the node density, and can reduce the energy consumption by more than 50% when compared to that of an existing method.
机译：在无线网状网络和一些无线传感器网络中，每个节点都有自己的覆盖区域以提供服务。为了在减小覆盖区域的重叠的同时覆盖整个领域，重要的是通过使用相邻节点的位置信息来确定覆盖区域的大小。但是，不能总是获得这样的信息。在本报告中，我们介绍了一种仅通过利用根据接收信号强度估算的距离信息来确定覆盖区域大小的方法。具体地，在所提出的方法中，每个节点基于所估计的距离信息来估计其邻居的相对位置。然后，它根据该区域的形状来设置其覆盖区域的大小，这是通过利用位置信息来计算的。通过仿真实验，我们证实了该方法可以保持总面积的99％以上的覆盖率，而与节点密度无关，并且与现有方法相比，可以将能耗降低50％以上。

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