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Performance of a parallel Hamming coding in short-frame OFDM sensor's network
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Authors: Raouia Masmoudi Ghodhbane, Jorge Fernandez-Mayoralas
Status: Final
Date of publication: 12 April 2021
Published in: ITU Journal on Future and Evolving Technologies, Volume 2 (2021), Issue 1, Pages 77-88
Article DOI : https://doi.org/10.52953/TDHG1720
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 | Abstract:
In this paper, we focus on the most relevant Error Correcting Codes (ECCs): the Hamming code and the Reed-Solomon code in order to meet the trade-off between the low implementation complexity and the high error correction capacity in a short-frame OFDM communication system. Moreover, we discuss and validate via simulations this trade-off between complexity (Hamming is the easiest to code) and error correction capability (Reed-Solomon being the most effective). Therefore, we have to either improve the correction capacity of the Hamming code, or decrease the complexity cost for the Reed-Solomon code. Based on this analysis, we propose a new design of parallel Hamming coding. On the one hand, we validate this new model of parallel Hamming coding with numerical results using MATLAB-Simulink tools and BERTool Application which makes easier the Bit Error Rate (BER) performance simulations. On the other hand, we implement the design of this new model on an FPGA mock-up and we show that this solution of a parallel Hamming encoder/decoder uses a few resources (LUTs) and has a higher capability of correcting when compared to the simple Hamming code. |
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Keywords: Error correcting codes, FPGA, Hamming code, parallel Hamming coding, OFDM communication systems, Reed-Solomon code, short-frame, sensor's network, VHDL simulation
Rights: © International Telecommunication Union, available under the CC BY-NC-ND 3.0 IGO license.
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