A Study on Efficient Implementation of SW-Based BCH Encoding and Decoding 


Vol. 45,  No. 5, pp. 903-913, May  2020
10.7840/kics.2020.45.5.903


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  Abstract

In this paper, we design an efficient 2-bit error correction BCH code, which is specified in the WBAN standard, and we also propose a simple method to improve the error correction performance. The 2-bit error correction BCH code is a relatively simple error correction code, and thus the efficiency of the encoding and decoding processes is very important. The efficiency of the proposed method can be maximized when it is implemented in software. By applying the encoding method using the division-remainder table as well as the decoding method using the syndrome-error location table, the proposed method can be efficiently operated with very low computational complexity, even in a low performance device. In addition, the proposed method adopts an efficient performance enhancing method by using a bit inversion process for low-reliability bits, thereby taking advantages similar to soft decision decoding. From the simulation results presented in this paper, we show that the proposed scheme improves a bit error rate performance compared to the conventional scheme with very low complexity, and the advantages are maximized in the shortened codes.

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  Cite this article

[IEEE Style]

J. Lee, S. Kim, S. Song, "A Study on Efficient Implementation of SW-Based BCH Encoding and Decoding," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 5, pp. 903-913, 2020. DOI: 10.7840/kics.2020.45.5.903.

[ACM Style]

Jonghoon Lee, Sooyoung Kim, and Sangseob Song. 2020. A Study on Efficient Implementation of SW-Based BCH Encoding and Decoding. The Journal of Korean Institute of Communications and Information Sciences, 45, 5, (2020), 903-913. DOI: 10.7840/kics.2020.45.5.903.

[KICS Style]

Jonghoon Lee, Sooyoung Kim, Sangseob Song, "A Study on Efficient Implementation of SW-Based BCH Encoding and Decoding," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 5, pp. 903-913, 5. 2020. (https://doi.org/10.7840/kics.2020.45.5.903)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880