采用经验信道衰减统计分布提高架空和地下中压宽带电力线信道统计混合模型的性能

A. Lazaropoulos
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引用次数: 8

摘要

统计混合模型是一种适用于宽频电力线网络的信道统计模型,它是基于对宽频电力线网络中假定的拓扑类的信道衰减和容量值进行统计处理的。在一组已知的信道衰减统计分布(如高斯分布、对数正态分布、瓦尔德分布、威布尔分布和甘贝尔分布)中选择合适的信道衰减统计分布是统计混合模型的关键操作要素之一,影响其结果的保真度。选择合适的信道衰减统计分布成为一项艰巨的任务,因为它取决于许多因素,如电网类型-架空(OV)或地下(UN)电网-,被检测类的代表性分布BPL拓扑结构,应用的电磁干扰(EMI)策略和使用的耦合方案类型。本文的贡献在于确定了经验信道衰减统计分布是否可以作为统计混合模型(修正统计混合模型)的默认分布的条件,从而取代了在选择初始统计混合模型的上述分布之前所需的比较分析。评估比较基于已经应用的容量百分比变化和平均绝对容量百分比变化的度量。引用本文:Lazaropoulos, a.g.(2019)。采用经验信道衰减统计分布提高架空和地下中压宽带电力线信道统计混合模型的性能。可再生能源发展趋势,5,181-217。DOI: 10.17737 / tre.2019.5.2.0096
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhancing the Statistical Hybrid Model Performance in Overhead and Underground Medium Voltage Broadband over Power Lines Channels by Adopting Empirical Channel Attenuation Statistical Distribution
Statistical hybrid model is a statistical channel model suitable for the broadband over power lines (BPL) networks while it is based on the statistical processing of channel attenuation and capacity values of preassumed BPL topology classes. One of the key operation elements of the statistical hybrid model, which affects its results fidelity, is the selection of the appropriate channel attenuation statistical distribution among a set of well-known channel attenuation statistical distributions (i.e., such as Gaussian, Lognormal, Wald, Weibull and Gumbel distributions). The selection of the appropriate channel attenuation statistical distribution becomes a hard task since it depends on a number of factors such as the power grid type –either overhead (OV) or underground (UN) power grid–, the representative distribution BPL topology of the examined class, the applied electromagnetic interference (EMI) policies and the used coupling scheme type. The contribution of this paper is to identify the conditions whether the Empirical channel attenuation statistical distribution can act as the default distribution of statistical hybrid model (modified statistical hybrid model) thus replacing the required comparison analysis prior to the selection of the aforementioned distributions of the initial statistical hybrid model. The evaluation comparison is based on the already applied metrics of capacity percentage change and average absolute capacity percentage change. Citation:  Lazaropoulos, A. G. (2019). Enhancing the Statistical Hybrid Model Performance in Overhead and Underground Medium Voltage Broadband over Power Lines Channels by Adopting Empirical Channel Attenuation Statistical Distribution. Trends in Renewable Energy, 5, 181-217. DOI: 10.17737/tre.2019.5.2.0096
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