Dynamic Characterization and Equalization of a Power Line Communication Channel

Power Line Communication (PLC) systems need signal processing algorithms in order to recover the transmitted signals from the high degrading medium. In the literature exist some techniques that work on the basis of a constant, known channel, but it was demonstrated that the PLC channel is time varia...

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Bibliographic Details
Published in:Revista IEEE América Latina 2013-12, Vol.11 (6), p.1301-1306
Main Authors: Nicolas Hadad, Matias, Alan Funes, Marcos, Gabriel Donato, Patricio, Oscar Carrica, Daniel
Format: Article
Language:English
Subjects:
Algorithms
Binary Error Rate
Bit error rate
Discrete Fourier transforms
Equalization
Heuristic algorithms
Irrigation
Power Line Communication
Power line communications
Recursive Least Squares
Signal processing algorithms
Wireless communication
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Summary:Power Line Communication (PLC) systems need signal processing algorithms in order to recover the transmitted signals from the high degrading medium. In the literature exist some techniques that work on the basis of a constant, known channel, but it was demonstrated that the PLC channel is time variant, therefore these techniques lose efficiency. This work presents a dynamic equalization algorithm computed in the time domain, where the channel characterization is done by a recursive least squares algorithm using the transmitted data as reference. The proposal was tested with simulations and was statistically validated using in time variant PLC channel models, obtaining a lower error rate than other methods.
ISSN:1548-0992
1548-0992
DOI:10.1109/TLA.2013.6710376