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Distributed multi-hop cooperative communication in dense wireless sensor networks

机译:密集无线传感器网络中的分布式多跳协作通信

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In this paper, we investigate the use of cooperative communications for high performance data dissemination in dense wireless sensor networks. We first identify the limitations of existing cooperative schemes. While we previously proposed a multi-hop cooperative data dissemination scheme, REER, to address these limitations, the construction of such structure relies on a pre-established reference path. The partially centralized approach makes REER unscalable when encountering network dynamics. To address this issue, this paper proposes a novel distributed multi-hop cooperative communication scheme (DMC), which is fully distributed and consists of two operation phases: (1) cooperative mesh structure (CMS) construction, and (2) CMS-based data dissemination, which includes random value-based scheme and distance-based scheme for forwarding node selection. Simulation results show that DMC performs well in terms of a number of QoS metrics, and fits well in large-scale networks and highly dynamic environments.
机译:在本文中,我们研究了在密集无线传感器网络中使用协作通信进行高性能数据分发的问题。我们首先确定现有合作计划的局限性。虽然我们先前提出了一种多跳协作数据分发方案REER,以解决这些局限性,但是这种结构的构建依赖于预先建立的参考路径。当遇到网络动态变化时,部分集中化的方法使REER无法扩展。为了解决这个问题,本文提出了一种新颖的分布式多跳协作通信方案(DMC),该方案是完全分布式的,并且包括两个操作阶段:(1)协作网状结构(CMS)的构建和(2)基于CMS的数据分发,包括用于转发节点选择的基于随机值的方案和基于距离的方案。仿真结果表明,DMC在许多QoS指标方面表现良好,并且非常适合大型网络和高度动态的环境。

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