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Issue No. 02 - February (1991 vol. 40)
ISSN: 0018-9340
pp: 125-131
<p>By extending the results obtained by D. E. Knuth (1986), a parallel unordered coding scheme with 2/sup r/ information bits is described. Balanced codes in which each codeword contains equal amounts of zeros and ones, with r check bits and up to 2/sup r+1/-(r+2) information bits, are constructed. Unordered codes with r check bits and up to 2/sup r/+2/sup r-1/-1 information bits are designed. Codes capable of detecting 2/sup r-1/+(2/sup r//2)-1 unidirectional errors using r check bits are also described. A review of previous work is presented.</p>
unordered codes; parallel unordered coding scheme; zeros; ones; unidirectional errors; encoding; error correction codes.

B. Bose, "On Unordered Codes," in IEEE Transactions on Computers, vol. 40, no. , pp. 125-131, 1991.
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