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Authors: Yassine Himeur 1 and Abdelkrim Boukabou 2

Affiliations: 1 Jijel University and Centre de Développement des Technologies Avancées (CDTA), Algeria ; 2 Jijel University, Algeria

Keyword(s): Powerline Communication, OFDM, LDPC-CC, Median Filter, Mean Filter, Impulse Noise.

Related Ontology Subjects/Areas/Topics: Design and Implementation of Signal Processing Systems ; Multidimensional Signal Processing ; Multimedia ; Multimedia and Communications ; Multimedia Devices ; Multimedia Signal Processing ; Multimedia Systems and Applications ; Telecommunications

Abstract: In this paper, we propose a new impulse noise mitigation approach in Orthogonal Frequency Division Multiplexing (OFDM) signals over Powerline communication (PLC) channel. Recently LDPC-Convolutional Code (LDPC-CC) has received much interest as an alternative to LDPC codes for its advantages and low complexity. The proposed approach exploits the redundancy introduced by LDPC-CC and cyclic prefix (CP) added to the OFDM transmitter to recover noisy coefficients. It is based on the fusion of median and mean of their neighboring coefficients using a window and a dynamic threshold calculated on the basis of noise variance and the peak value of the noise in the received signal. Detection of noisy coefficients takes into consideration the neighboring coefficients. The proposed technique presents a good robustness to impulse noise performance without adding a big complexity to the transmission system. Promising results have been achieved by the proposed approach when compared to filt ering and coding techniques alone. (More)

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Paper citation in several formats:
Himeur, Y. and Boukabou, A. (2014). Noise Mitigation over Powerline Communication Using LDPC-Convolutional Code and Fusion of Mean and Median Filters. In Proceedings of the 11th International Conference on Signal Processing and Multimedia Applications (ICETE 2014) - SIGMAP; ISBN 978-989-758-046-8, SciTePress, pages 5-13. DOI: 10.5220/0005065500050013

@conference{sigmap14,
author={Yassine Himeur. and Abdelkrim Boukabou.},
title={Noise Mitigation over Powerline Communication Using LDPC-Convolutional Code and Fusion of Mean and Median Filters},
booktitle={Proceedings of the 11th International Conference on Signal Processing and Multimedia Applications (ICETE 2014) - SIGMAP},
year={2014},
pages={5-13},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005065500050013},
isbn={978-989-758-046-8},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Signal Processing and Multimedia Applications (ICETE 2014) - SIGMAP
TI - Noise Mitigation over Powerline Communication Using LDPC-Convolutional Code and Fusion of Mean and Median Filters
SN - 978-989-758-046-8
AU - Himeur, Y.
AU - Boukabou, A.
PY - 2014
SP - 5
EP - 13
DO - 10.5220/0005065500050013
PB - SciTePress

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