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A (16, 9, 6, 5, 4) error-correcting DC free block code

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1 Author(s)
M. Blaum ; IBM Almaden Res. Center, San Jose, CA, USA

A (2n, k, l, c, d) DC free binary block code is a code of length 2n, constant weight n, 2k codewords, maximum runlength of a symbol l , maximum accumulated charge c, and minimum distance d . The purpose of this code is to achieve DC freeness and error correction at the same time. The goal is to keep the rate k/2 n and d large and l and c small. Of course, these are conflicting goals. H.C. Ferreira (IEEE Trans. Magn., vol.MAG-20, no.5, p.881-3, 1984) presented a (16, 8, 8, 5, 4) DC free code. Here, a (16, 9, 6, 5, 4) DC free code is presented. Easy encoding and decoding algorithms are also given

Published in:

IEEE Transactions on Information Theory  (Volume:34 ,  Issue: 1 )