Open Access
A Fitting Algorithm for Random Modeling the PLC
Andrea M. Tonello,Fabio Versolatto,Benjamin Bejar,Santiago Zazo +3 more
- 01 Jan 2012
83
TL;DR: A random channel generator that is based on the top-down approach is proposed that enables a closed-form description of both the mean path-loss profile and the statistical correlation function of the channel frequency response.
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Abstract: The characteristics of the power line communication (PLC) channel are difficult to model due to the heterogeneity of the networks and the lack of common wiring practices To get the full variability of the PLC channel, random channel generators are of great importance for the design and testing of communication algorithms In this respect, we propose a random channel generator that is based on the top-down approach Basically, we describe the multipath propagation and the coupling effects with an analytical model We introduce the variability into a restricted set of parameters, and, finally, we fit the model to a set of measured channels The proposed model enables a closed-form description of both the mean path loss profile and the statistical correla tion function of the channel frequency response As an example of application, we apply the procedure to a set of in-home measured channels in the band 2-100 MHz whose statistics is available in the literature The measured cha nnels are divided into nine classes according to their channel capacity We provide the parameters for the random generation of channels for all nine classes, and we show that the results are consistent with the experimental ones Finally, we merge the classes to capture the whole hetero- geneity of in-home PLC channels In detail, we introduce the class occurrence probability, and we present a random channel generator that targets the ensemble of all nine classes The statistics of the composite set of channels is also studied, and it is compared to the results of experimental measurement campaigns in the literature
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Citations
State-of-the-art in Power Line Communications: from the Applications to the Medium
TL;DR: In this article, the authors provide an overview of both narrowband and broadband systems, covering potential applications, regulatory and standardization efforts and recent research advancements in channel characterization, physical layer performance, medium access and higher layer specifications and evaluations.
Physical Layer Security Over Correlated Log-Normal Cooperative Power Line Communication Channels
TL;DR: This paper considers the application of physical layer security in cooperative PLC networks in the presence of passive eavesdropping, and analyzes the performance of such systems using log-normal correlated channel models considering background and impulsive noise components.
53
Characterization of Brazilian in-home power line channels for data communication
TL;DR: In this paper, the authors focused on the characterization of Brazilian in-home power line channels for data communication when a sounding-based approach is applied based on a measurement campaign carried out in seven Brazilian residences, a statistical characterization of frequency response magnitude, average channel gain, coherence bandwidth, root mean squared delay spread and coherence time, achievable data rate, additive noise and access impedance are presented, considering the frequency bands from 17 up to 30, 50 and 100 MHz.
45
State-of-art Power Line Communications Channel Modelling
TL;DR: Two channel modelling approaches can be found in literature, namely the top-down ap- proach and the bottom-up approach, which are summarised and analysed in this paper.
40
Smart Grid Monitoring Using Power Line Modems: Effect of Anomalies on Signal Propagation
TL;DR: This paper proposes two models that rely on reflectometric and end-to-end measurements to extrapolate information about possible anomalies in power grids using high-frequency sensors and explains the properties of each model and measurement method in order to enable the development of appropriate anomaly detection and location algorithms.
References
A multipath model for the powerline channel
M. Zimmermann,K. Dostert +1 more
TL;DR: An analytic model describing complex transfer functions of typical powerline networks using only a small set of parameters is presented, based on physical signal propagation effects in mains networks including numerous branches and impedance mismatching.
1.2K
Modeling of transfer Characteristics for the broadband power line communication channel
TL;DR: In this article, the power line is approximated as a transmission line and the two intrinsic parameters, the characteristic impedance and the propagation constants, are derived based on the lumped-element circuit model.
358
A channel model proposal for indoor power line communications
TL;DR: A channel model for broadband indoor Power Line Communications (PLC) is presented and the structure has been simplified to derive a parametric model that still preserves the essential behavior of these channels in the HF band (up to 30 MHz).
Bottom-Up Statistical PLC Channel Modeling—Part I: Random Topology Model and Efficient Transfer Function Computation
TL;DR: An efficient bottom-up power-line communication (PLC) channel simulator that exploits transmission-line theory concepts and that is able to generate statistically representative in-home channels is proposed.
194
G.hn: The new ITU-T home networking standard
V. Oksman,Stefano Galli +1 more
TL;DR: An overview of G.hn technology, a unified next generation networking technology operating over all types of in-home wiring, focusing on the main principles used to build a single transmission scheme for multiple types of wires.
188