IEEE 802.15.4 DSME网络中减少漏斗效应的虚拟接收器策略

Ivonne Mantilla-González, V. Turau
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引用次数: 1

摘要

MAC协议IEEE 802.15.4 DSME为wsn提供了高可靠性和适应动态流量的特性。本文引入了虚拟sink的概念,该概念由sink及其1跳邻居(即卫星)组成,作为减轻数据收集场景中漏斗效应造成的负担的策略核心。我们的策略允许在虚拟接收器上使用集中式调度算法,而在网络的剩余节点上使用分散调度算法。通过模拟评估,我们比较了基于虚拟槽的策略的性能与基于分散槽调度程序TPS的DSME的现状。结果表明,网络吞吐量提高了38%,卫星能耗降低了约30%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Virtual Sink-based Strategy for Reducing the Funneling Effect in IEEE 802.15.4 DSME Networks
The MAC protocol IEEE 802.15.4 DSME has features for WSNs to support exigent requirements such as high reliability and adaptability to dynamic traffic. This work introduces the concept of a virtual sink, which comprises the sink and its 1-hop neighbors, a.k.a. satellites, as the core of a strategy to alleviate the burden caused by the funneling effect in data collection scenarios. Our strategy enables the coexistence of a centralized scheduling algorithm at the virtual sink and a decentralized scheduling algorithm for the remaining nodes of the network. Through a simulative assessment, we compare the performance of the virtual sink-based strategy with the status quo of DSME via a decentralized slot scheduler TPS. Results show an improvement of the network throughput of up to 38% and a reduction of the energy consumption of about 30% at satellites.
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