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Finding short and light codewords in BCH codes

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3 Author(s)
E. Hernquist ; Electr. Eng. Dept., Johns Hopkins Univ., Laurel, MD, USA ; D. W. Newhart ; R. A. Stong

A new algorithm is presented for finding codewords that are of low weight (“light”) and low degree (“short”) in narrow-sense binary BCH codes of length n=2m-1 and minimum weight d=2t-1, for use in serial implementations. This improves on some earlier results by Roth and Scroussi (see ibid., vol.34, p.593-6, May 1998), and extends the range of parameters to include cases of interest for long CRC (cyclic redundancy codes) error-detection schemes

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IEEE Transactions on Information Theory  (Volume:45 ,  Issue: 1 )