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A Pre-Determined Nodes Deployment Strategy of Two-Tiered Wireless Sensor Networks Based on Minimizing Cost

机译:基于最小成本的两层无线传感器网络预定节点部署策略

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Nodes deployment is a fundamental factor in determining the connectivity, coverage, lifetime and cost of wireless sensor networks. In this paper, a two-tiered wireless sensor networks consisting of sensor clusters and a base station is considered. Within a sensor cluster, there are many sensor nodes and a relay node. We focus on the deployment strategy for sensor nodes and relay nodes to minimize cost under some constraints. Several means are used. The regular hexagonal cell architecture is employed to build networks. Based on the analysis of energy consumption of sensors and cost of network, an integer programming model is presented to minimize the cost. By the model, number of layers of sensor cluster is determined. In order to balance the energy consumption of sensors on the identical layer, a uniform load routing algorithm is used. The numerical analysis and simulation results show that the waste of energy and cost of wireless sensor networks can be effectively reduced by using the strategy.
机译:节点部署是确定无线传感器网络的连接性,覆盖范围,寿命和成本的基本因素。本文考虑了由传感器集群和基站组成的两层无线传感器网络。在传感器集群中,有许多传感器节点和一个中继节点。我们专注于传感器节点和中继节点的部署策略,以在某些约束下最大程度地降低成本。使用了几种方法。规则的六角形单元体系结构用于构建网络。在分析传感器能耗和网络成本的基础上,提出了一种整数规划模型,以最大程度地降低成本。通过该模型,确定传感器簇的层数。为了平衡同一层上传感器的能量消耗,使用了统一的负载路由算法。数值分析和仿真结果表明,采用该策略可以有效减少无线传感器网络的能源浪费和成本。

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