Improved Network Construction Methods Based on Virtual Rails for Mobile Sensor Network
Improved Network Construction Methods Based on Virtual Rails for Mobile Sensor Network
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发表时间：
2015-11
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通讯作者：
Noritaka Shigei;K. Matsumoto;Yoshiki Nakashima;H. Miyajima
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作者：
Noritaka Shigei;K. Matsumoto;Yoshiki Nakashima;H. Miyajima
由移动的传感器节点组成的移动的无线传感器网络（MWSNs）虽然可以使用少量的传感器节点覆盖大范围的观测区域，但需要通过移动传感器节点来构建网络以收集基站上的传感数据。作为一种有效的方法，提出了基于虚拟轨道（VR）的网络构建方法，简称VR方法。在本文中，我们提出了两种类型的VR方法的有效技术。它们可以延长网络的运行时间，这受到MSN的电池容量和MSN的能量消耗的限制。第一种技术是VR的有效排列，几乎使属于每个VR的MSN的数量相等。第二种技术，一种自适应移动方法的MSN，考虑到电池的剩余能量。在仿真中，我们证明了每种技术都可以提高网络的生命周期，而这两种技术的组合是最有效的。关键词-无线传感器网络，移动的传感器节点，传感数据中继，虚拟轨道，剩余能量
Although Mobile Wireless Sensor Networks (MWSNs), which consist of mobile sensor nodes (MSNs), can cover a wide range of observation region by using a small number of sensor nodes, they need to construct a network to collect the sensing data on the base station by moving the MSNs. As an effective method, the network construction method based on Virtual Rails (VRs), which is referred to as VR method, has been proposed. In this paper, we propose two types of effective techniques for the VR method. They can prolong the operation time of the network, which is limited by the battery capabilities of MSNs and the energy consumption of MSNs. The first technique, an effective arrangement of VRs, almost equalizes the number of MSNs belonging to each VR. The second technique, an adaptive movement method of MSNs, takes into account the residual energy of battery. In the simulation, we demonstrate that each technique can improve the network lifetime and the combination of both techniques is the most effective. Keywords—Wireless sensor network, mobile sensor node, relay of sensing data, virtual rail, residual energy