Modeling Research of Background Noise in Low-Voltage Power Line Communication Channel

Hao Kun Guo; Jun Ji Wu; Zhan Feng Ying

doi:10.4028/www.scientific.net/AMR.516-517.1386

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 516-517Modeling Research of Background Noise in...

Modeling Research of Background Noise in Low-Voltage Power Line Communication Channel

Abstract:

Background noise interference is one of the most important factors for low-voltage power line communication’s reliability. By analyzing the background noise of low-voltage power line communication’s channel, the background noise’s measuring circuit is set up and the AR model of the measured background noise is established. Both of them are respectively using singular value decomposition and Levinson-Durbin (LD) recursive method to calculate the AR model’s parameters and a comparative analysis of the simulation is made. The results induct: parameters acquired from the methods of singular value decomposition and LD recursive method are feasible, the parameter model from singular value decomposition is relatively complex, but extremely accurate, which is suitable for the off-line calculation and analysis of the low-voltage power line’s background noise; the parameter model from LD recursive method is very simple, but has a greater loss of accuracy, fitting for online quickly generation of the low-voltage power line’s background noise.

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Periodical:

Advanced Materials Research (Volumes 516-517)

Pages:

1386-1390

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.516-517.1386

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Online since:

May 2012

Authors:

Hao Kun Guo, Jun Ji Wu, Zhan Feng Ying

Keywords:

Autoregressive AR Model, Background Noise, LD Recursive Method, Low-Voltage Power Line Communication, Singular Value Decomposition (SVD)

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