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Decoding of Hermitian codes: the key equation and efficient error evaluation

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1 Author(s)
M. E. O'Sullivan ; Dept. of Math., Nat. Univ. of Ireland, Cork, Ireland

This paper presents a generalization of the key equation to Hermitian codes. The syndrome is interpreted as a power series and the product of this power series with a locator polynomial gives the error evaluator polynomial. The computation of the evaluator polynomial may be done iteratively using a modified version of a previously published computationally efficient algorithm for computing locator polynomials

Published in:

IEEE Transactions on Information Theory  (Volume:46 ,  Issue: 2 )