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Efficient fault-tolerant collision-free data aggregation scheduling for wireless sensor networks

机译:无线传感器网络的高效容错无冲突数据聚合调度

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This paper investigates the design of fault-tolerant TDMA-based data aggregation scheduling (DAS) protocols for wireless sensor networks (WSNs). DAS is a fundamental pattern of communication in wireless sensor networks where sensor nodes aggregate and relay data to a sink node. However, any such DAS protocol needs to be cognisant of the fact that crash failures can occur. We make the following contributions: (ⅰ) we identify a necessary condition to solve the DAS problem, (ⅱ) we introduce a strong and weak version of the DAS problem, (ⅲ) we show several impossibility results due to the crash failures, (ⅳ) we develop a modular local algorithm that solves stabilising weak DAS and (ⅴ) we show, through simulations and an actual deployment on a small testbed, how specific instantiations of parameters can lead to the algorithm achievine verv efficient stabilisation.
机译:本文研究了用于无线传感器网络(WSN)的基于容错TDMA的数据聚合调度(DAS)协议的设计。 DAS是无线传感器网络中通信的基本模式,其中传感器节点聚合并将数据中继到宿节点。但是,任何此类DAS协议都必须意识到可能会发生崩溃故障。我们做出以下贡献:(ⅰ)确定解决DAS问题的必要条件,(ⅱ)我们引入DAS问题的强弱版本,(ⅲ)由于崩溃失败,我们展示了几种不可能的结果,( ⅳ),我们开发了解决稳定DAS弱化问题的模块化本地算法,并且(ⅴ)通过仿真和在小型测试台上的实际部署,我们展示了参数的特定实例如何导致算法鹰ie般有效的稳定。

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