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An improvement on constructions of t-EC/AUED codes

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2 Author(s)
Katti, R.S. ; Dept. of Electr. Eng., North Dakota State Univ., Fargo, ND, USA ; Blaum, M.

A common method of constructing t-error correcting/all unidirectional error detecting (t-EC/AUED) codes is to choose a t-EC code and then to append a tail such that the new code can detect all unidirectional errors. The tail is a function of the weight of the codeword. We present a technique to reduce the weight distribution of the t-EC code so that the tail needed will be shorter in some cases. The weight distribution span of the code is reduced by eliminating the all-zero codeword and replacing it with a codeword of weight greater than 2t+1

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Computers, IEEE Transactions on  (Volume:45 ,  Issue: 5 )