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On unordered codes

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1 Author(s)
Bose, B. ; Dept. of Comput. Sci., Oregon State Univ., Corvallis, OR, USA

By extending the results obtained by D. E. Knuth (1986), a parallel unordered coding scheme with 2r information bits is described. Balanced codes in which each codeword contains equal amounts of zeros and ones, with r check bits and up to 2r+1-(r+2) information bits, are constructed. Unordered codes with r check bits and up to 2r+2r-1-1 information bits are designed. Codes capable of detecting 2r-1+[2r/2]-1 unidirectional errors using r check bits are also described. A review of previous work is presented

Published in:

Computers, IEEE Transactions on  (Volume:40 ,  Issue: 2 )