Selective AN Code Design for Correcting Computation Errors and Mis-Decoding Detection in Process-in-Memory 


Vol. 49,  No. 1, pp. 104-112, Jan.  2024
10.7840/kics.2024.49.1.104


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  Abstract

This work proposes a selective AN coding scheme for correcting errors which happen during computations in the process-in-memory devices. AN codes are error-correcting codes which encode the message data by multiplying a positive integer A to them. AN codes correct errors by mapping the division remainders of the erroneous coded data divided by A to the error patterns in the look-up-table. This paper proposes an AN coding scheme which selectively determines different error-correcting capabilities according to the significancy of computational results. At first, the proposed work defines the set of bit-lines with high significance as the correctable set. Then, it identifies conditions which ensure the correction and the mis-decoding detection for the error patterns inside and outside of the correctable set, respectively. The proposed AN coding scheme enables more flexible code design for a given noisy environment compared to the existing static AN coding scheme. Additionally, in terms of the storage capacity, a more efficient decoder implementation is possible compared to the ABN coding scheme which is known suitable for flexible code design.

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  Cite this article

[IEEE Style]

M. Kim and J. Ha, "Selective AN Code Design for Correcting Computation Errors and Mis-Decoding Detection in Process-in-Memory," The Journal of Korean Institute of Communications and Information Sciences, vol. 49, no. 1, pp. 104-112, 2024. DOI: 10.7840/kics.2024.49.1.104.

[ACM Style]

Myung-in Kim and Jeong-seok Ha. 2024. Selective AN Code Design for Correcting Computation Errors and Mis-Decoding Detection in Process-in-Memory. The Journal of Korean Institute of Communications and Information Sciences, 49, 1, (2024), 104-112. DOI: 10.7840/kics.2024.49.1.104.

[KICS Style]

Myung-in Kim and Jeong-seok Ha, "Selective AN Code Design for Correcting Computation Errors and Mis-Decoding Detection in Process-in-Memory," The Journal of Korean Institute of Communications and Information Sciences, vol. 49, no. 1, pp. 104-112, 1. 2024. (https://doi.org/10.7840/kics.2024.49.1.104)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880