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Sensors 2018, 18(11), 3667; https://doi.org/10.3390/s18113667

Analysis and Experimental Validation of Efficient Coded OFDM for an Impulsive Noise Environment

1
École de Technologie Supérieure (ETS), Montréal, QC H3C 1K3, Canada
2
XLIM Institute, University of Poitiers, 86360 Poitiers, France
3
Institut de Recherche d’Hydro-Québec (IREQ), Varennes, QC J3X 1S1, Canada
*
Author to whom correspondence should be addressed.
Received: 17 September 2018 / Revised: 19 October 2018 / Accepted: 24 October 2018 / Published: 29 October 2018
(This article belongs to the Special Issue Smart Grid Networks and Energy Cyber Physical Systems)
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Abstract

The importance of synergy with industry lies in the possibility of experimental validation of the work research results. With Software-Defined Radio (SDR) platforms, it is possible to implement a physical layer and to have tests with hardware in a real environment. In this paper, we investigate the validation of an impulsive noise resistant physical layer based on Orthogonal Frequency Division Multiplexing (OFDM) and an interesting concatenation of forward error correcting codes: Rank metric Code (RC) and Convolutional Code (CC). We fully design and implement a new block namely RC Encoder + WiFi Mapper in GNU Radio, which acts as a forward error correcting code to mitigate impulsive noise occurring in substations. After showing by simulations that using this coding scheme is very efficient in mitigating the bursty nature of impulsive noise, we then confirm that the same performance is maintained even with various impulsive voltages and experimental scenarios, which confirms the high performance of the proposed approach. View Full-Text
Keywords: smart grid; impulsive noise; channel coding; OFDM; software-defined radio; USRP; experiments smart grid; impulsive noise; channel coding; OFDM; software-defined radio; USRP; experiments
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sarr, N.B.; Agba, B.L.; Gagnon, F.; Boeglen, H.; Vauzelle, R. Analysis and Experimental Validation of Efficient Coded OFDM for an Impulsive Noise Environment. Sensors 2018, 18, 3667.

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