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Issue No.05 - May (1993 vol.42)
pp: 547-552
ABSTRACT
<p>Codes for correcting and detecting unidirectional byte errors are investigated. The relations between distances and the error-correcting and -detecting capabilities of such codes are derived. It is shown that a two-fold unidirectional b-bit-byte error-correcting (2-UbEC) code requires at least three check bytes and that a one-fold unidirectional b-bit-byte error-correcting/2-fold unidirectional b-bit-byte error-detecting (1-UbEC/2-UbED) code requires at least two check bytes. Construction methods for 2-UbEC codes with three check bytes and 1-UbEC/2-UbEd codes with two check bytes are proposed.</p>
INDEX TERMS
unidirectional byte errors; two-fold unidirectional b-bit-byte error-correcting; one-fold unidirectional b-bit-byte error-correcting/2-fold unidirectional b-bit-byte error-detecting; 1-UbEC/2-UbED; error correction codes; error detection codes; fault tolerant computing.
CITATION
Y. Saitoh, H. Imai, "Some Codes for Correcting and Detecting Unidirectional Byte Errors", IEEE Transactions on Computers, vol.42, no. 5, pp. 547-552, May 1993, doi:10.1109/12.223673
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