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Channel characterization of low voltage electric power distribution networks for PLC applications based on measurement campaign

机译:基于测量运动的PLC应用低压电力分配网络的信道表征

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摘要

This paper focuses on the findings outputted by a comprehensive measurement campaign carried out for characterizing and modeling Brazilian outdoor and low-voltage electric power grids for data communication purposes. In this regard, the statistics of average channel attenuation, root-mean-square delay spread, coherence time, coherence bandwidth and achievable data-rate are analyzed by considering the frequency band from 1.7 MHz up to 100 MHz, and thereof statistical models for some channel features are recommended. The periodic variation of these outdoor and low-voltage electric power grids is quantified and presented as a temporal function of the average channel attenuation. Also, mathematical models based on only two parameters representing the power spectral density of both background and impulsive noises are proposed. The results obtained from numerical analyses offer important information about Brazilian outdoor and low-voltage electric power grids for data communication purposes. Also, they constitute an opportunity for increasing the knowledge about this kind of data communication media and for assisting the design of new generations of effective and reliable power line communication systems.
机译:本文重点介绍了通过用于对数据通信目的的布拉西户外和低压电网的特征和低压电力电网进行的全面测量活动输出的调查结果。在这方面,通过将1.7MHz的频带从1.7MHz的频带分析,分析了平均信道衰减,根均方延迟扩展,相干时间,相干带宽和可实现的数据速率的统计数据。一些建议使用通道功能。这些室外和低压电力电网的周期性变化量化并呈现为平均通道衰减的时间函数。而且,提出了基于仅两种参数的数学模型,其代表背景和脉冲噪声的功率谱密度。从数值分析中获得的结果提供有关巴西室外和低压电网的重要信息,用于数据通信目的。此外,它们构成了增加关于这种数据通信媒体的知识的机会,并用于协助设计新的多种有效和可靠的电力线通信系统。

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