NDLI: Approach for modelling of broadband low-voltage PLC channels using graph theory

Content Provider	IET Digital Library
Author	Zhao, Xiongwen Zhang, Hui Lu, Wenbing Li, Liang
Abstract	Broadband power line is an important way of communication in low-voltage distribution networks because a power line is everywhere nowadays. However, due to the heterogeneity of a practical power-line network and various loads connected to its termination points, modelling and simulation of power-line communication (PLC) channels are difficult and complicated issues. In this work, the authors propose a novel PLC channel modelling approach using graph theory for the first time when knowing the power-line network topologies and cable distributed parameters. The approach utilises simple and effective recursive operations in solving the k -shortest paths to estimate the channel transfer function for a specific power-line network, it overcomes the complicated analytical derivation in computing the channel transfer function by the traditional two-port network in the bottom-up model and avoids to measure the actual channel in a top-down model. Their proposed approach is validated by transmission-line (TL) theory as well as measurement results, and it is also compared with TL theory. The results show that their proposed PLC channel modelling approach herein is simple to be implemented, it is expected to have extensive applications in broadband PLC systems for performance evaluations.
Starting Page	1524
Ending Page	1530
Page Count	7
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 13, Aug (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.1175
Journal	IET Communications
Publisher Date	2018-04-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bottom-up Model Broadband Low-voltage PLC Channel Modelling Broadband PLC System Broadband Power Line Carrier Transmission on Power Line Channel Transfer Function Estimation Combinatorial Mathematics Communication Network Design, Planning And Routing Distributed Parameter Distribution Network Graph Theory K-shortest Paths Low-voltage Distribution Network Network And Transmission Line Calculations Power Line System Power-line Communication Channel Modelling Power-line Communication Channel Simulation Power-line Network Topology Telecommunication Network Topology TL Theory Top-down Model Traditional Two-port Network Transmission Line Theory Transmission-line Theory
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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