Abstract
Impulsive noise is considered as one of the most destructive interference generated through the orthogonal frequency-division multiplexing (OFDM) powerline communication (PLC) channel. This paper addresses the deployment of error correction codes (ECC) to reject impulsive noise over indoor PLC network. In order to improve the performance of the ECC, a new impulsive noise mitigation filter, namely fusion of mean and median filters (FMMF) is proposed. It exploits the redundancy introduced by ECC and cyclic prefix (CP) added to the OFDM transmitter to recover noisy coefficients. A combination of mean and median filters is used to detect and suppress the impulsive bursts using a windowing process. Moreover, a new strategy to detect the impulsive peaks based on noise variance and peak value of received noisy signal is presented. The performance of ECC implemented in this work, called, low-density parity-check convolutional codes (LDPCCC) against impulsive noise are tested and evaluated. The combined LDPCCC-FMMF approach presents a good robustness to the impulsive noise without adding a big complexity to the transmission system. Promising results have been achieved by the proposed approach when compared to filtering and coding techniques separately.
Y. Himeur—This project was financially supported by the DGRSDT (Direction Générale de la Recherche Scientifique et du Développement Technologique) of Algeria (PNR 13/u18/4368).
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Acknowledgement
This project was financially supported by the DGRSDT (Direction Générale de la Recherche Scientifique et du Développement Technologique) of Algeria (PNR 13/u18/4368).
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Himeur, Y., Boukabou, A. (2015). Performance Enhancement of Indoor Powerline Communication Using Improved Error Correction Codes. In: Obaidat, M., Holzinger, A., Filipe, J. (eds) E-Business and Telecommunications. ICETE 2014. Communications in Computer and Information Science, vol 554. Springer, Cham. https://doi.org/10.1007/978-3-319-25915-4_24
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DOI: https://doi.org/10.1007/978-3-319-25915-4_24
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