Voronoi-Based Sensor Network Engineering for Target Tracking Using Wireless Sensor Networks

Manel Abdelkader, Mohamed Hamdi, N. Boudriga
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引用次数: 6

Abstract

Recent advances in integrated electronic devices motivated the use of wireless sensor networks in many applications including target surveillance and tracking. A number of sensor nodes are scattered within a sensitive region to detect the presence of intruders and forward subsequent events to the analysis center(s). Obviously, the sensor deployment should guarantee an optimal event detection rate. This paper proposes a tracking framework based on Voronoi tessellations. Two mobility models are proposed to control the coverage degree according to target presence. The objective is to set a non-uniform coverage within the monitored zone to allow detecting the target by multiple sensor nodes. Moreover, we introduce an algorithm to discover redundant nodes (which do not provide additional information about target position). This algorithm is shown to be effective in reducing the energy consumption using an activity scheduling approach.
基于voronoi的无线传感器网络目标跟踪工程
集成电子设备的最新进展推动了无线传感器网络在许多应用中的使用,包括目标监视和跟踪。许多传感器节点分散在一个敏感区域内,以检测入侵者的存在,并将后续事件转发给分析中心。显然,传感器的部署应该保证最佳的事件检测率。提出了一种基于Voronoi细分的跟踪框架。提出了两种机动模型,根据目标存在情况控制覆盖程度。目标是在监测区域内设置一个不均匀的覆盖范围,使多个传感器节点能够检测到目标。此外,我们引入了一种算法来发现冗余节点(不提供关于目标位置的额外信息)。该算法通过活动调度的方法有效地降低了能耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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