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Issue No. 11 - November (1985 vol. 34)
ISSN: 0018-9340
pp: 1026-1032
B. Bose , Department of Computer Science, Oregon State University
The theory and design of systematic t-unidirectional error-detecting codes are developed. Optimal systematic codes capable of detecting 2, 3, and 6 unidirectional errors using 2, 3, and 4 check bits, respectively, are given. For r =5 where r is the number of check bits, the systematic codes described here can detect up to 5? 2r-4 + r -4 unidirectional errors. Encoding/ decoding methods for these codes are also investigated.
Unidirectional errors, Asymmetric errors, decoder, encoder, Hamming distance, self-checking checker, symmetric errors

n. Der Jei Lin and B. Bose, "Systematic Unidirectional Error-Detecting Codes," in IEEE Transactions on Computers, vol. 34, no. , pp. 1026-1032, 1985.
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