NDLI: High-resolution and low-complexity dynamic topology estimation for PLC networks assisted by impulsive noise source detection

Content Provider	IET Digital Library
Author	Zhang, Chao Zhu, Xu Huang, Yi Liu, Gan
Abstract	Power line communication (PLC) network is a promising solution for smart grid and home broadband applications. However, its topology is not always available and is time-varying due to frequent load changes. The existing topology estimation approaches require installation of a large number of PLC modems or suffer limited resolution. Moreover, they are designed for static PLC networks and need to be repeated at a regular basis to combat topology changes. The authors propose a high-resolution and low-complexity dynamic topology estimation scheme for time-varying indoor PLC networks, which consists of three parts: (i) a time-frequency domain reflectometry based path length estimation method, which requires measurement at a single PLC modem and achieves a much higher resolution than the frequency domain reflectometry based method; (ii) a node-by-node greedy algorithm for topology reconstruction, which is much more computationally efficient than the existing peak-by-peak searching algorithm; (iii) an impulsive noise assisted dynamic topology re-estimation method, which results in a significant complexity reduction over fixed-frequency re-estimation.
Starting Page	443
Ending Page	451
Page Count	9
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 4, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0454
Journal	IET Communications
Publisher Date	2016-03-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Carrier Transmission on Power Line Combat Topology Frequency Domain Reflectometry Home Broadband Application Impulsive Noise Source Detection Low Complexity Dynamic Topology Estimation Node-by-node Greedy Algorithm Path Length Estimation Method Peak-by-peak Searching Algorithm PLC Modems Power Line Communication Power Line System Power System Smart Grid Smart Power Grid Time-frequency Domain Reflectometry Time-varying Indoor PLC Network Topology Estimation Topology Reconstruction
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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