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Efficient Deployment of Key Nodes for Optimal Coverage of Industrial Mobile Wireless Networks

机译:有效部署关键节点以最佳覆盖工业移动无线网络

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摘要

In recent years, industrial wireless networks (IWNs) have been transformed by the introduction of mobile nodes, and they now offer increased extensibility, mobility, and flexibility. Nevertheless, mobile nodes pose efficiency and reliability challenges. Efficient node deployment and management of channel interference directly affect network system performance, particularly for key node placement in clustered wireless networks. This study analyzes this system model, considering both industrial properties of wireless networks and their mobility. Then, static and mobile node coverage problems are unified and simplified to target coverage problems. We propose a novel strategy for the deployment of clustered heads in grouped industrial mobile wireless networks (IMWNs) based on the improved maximal clique model and the iterative computation of new candidate cluster head positions. The maximal cliques are obtained via a double-layer Tabu search. Each cluster head updates its new position via an improved virtual force while moving with full coverage to find the minimal inter-cluster interference. Finally, we develop a simulation environment. The simulation results, based on a performance comparison, show the efficacy of the proposed strategies and their superiority over current approaches.
机译:近年来,工业无线网络(IWN)通过移动节点的引入而发生了变化,现在它们提供了更高的可扩展性,移动性和灵活性。然而,移动节点带来了效率和可靠性挑战。高效的节点部署和信道干扰管理直接影响网络系统性能,尤其是在群集无线网络中的关键节点放置方面。本研究分析了该系统模型,同时考虑了无线网络的工业特性及其移动性。然后,将静态和移动节点覆盖问题统一并简化为目标覆盖问题。我们提出了一种基于改进的最大派系模型和新候选簇头位置迭代计算的,用于在成组工业移动无线网络(IMWN)中部署簇头的新策略。通过双层禁忌搜索获得最大集团。每个簇头通过增强的虚拟力更新其新位置,同时全覆盖移动以找到最小的簇间干扰。最后,我们开发一个仿真环境。基于性能比较的仿真结果显示了所提出策略的有效性及其相对于当前方法的优越性。

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