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On Multi-Hop Decode-and-Forward Cooperative Relaying for Industrial Wireless Sensor Networks

机译:工业无线传感器网络的多跳解码转发协作中继研究

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摘要

Wireless sensor networks (WSNs) will play a fundamental role in the realization of Internet of Things and Industry 4.0. Arising from the presence of spatially distributed sensor nodes in a sensor network, cooperative diversity can be achieved by using the sensor nodes between a given source-destination pair as intermediate relay stations. In this paper, we investigate the end-to-end average bit error rate (BER) and the channel capacity of a multi-hop relay network in the presence of impulsive noise modeled by the well-known Middleton’s class-A model. Specifically, we consider a multi-hop decode-and-forward (DF) relay network over Nakagami-m fading channel due to its generality, but also due to the absence of reported works in this area. Closed-form analytical expressions for the end-to-end average BER and the statistical properties of the end-to-end channel capacity are obtained. The impacts of the channel parameters on these performance quantities are evaluated and discussed.
机译:无线传感器网络(WSN)将在物联网和工业4.0的实现中扮演重要角色。由于传感器网络中空间分布的传感器节点的存在,可以通过将给定源-目标对之间的传感器节点用作中间中继站来实现协作分集。在本文中,我们研究了在存在由著名的Middleton的A类模型建模的脉冲噪声的情况下,多跳中继网络的端到端平均误码率(BER)和信道容量。具体来说,由于其普遍性,而且由于该领域中没有报道的工作,我们考虑在中上米衰落信道上的多跳解码转发(DF)中继网络。获得了端到端平均BER的闭式分析表达式以及端到端信道容量的统计特性。评估并讨论了信道参数对这些性能量的影响。

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