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Type: Artigo de periódico
Title: On The Decoding Of Reed-solomon And Bch Codes Over Integer Residue Rings
Author: Interlando J.C.
Palazzo Jr. R.
Elia M.
Abstract: In this correspondence we present a decoding procedure for Reed-Solomon (RS) and BCH codes defined over an integer residue ring pgℤ q, where q is a power of a prime p. The proposed decoding procedure, as for RS and BCH codes over fields, consists of four major steps: 1) calculation of the syndromes; 2) calculation of the "elementary symmetric functions," by a modified Berlekamp-Massey algorithm for commutative rings; 3) calculation of the error location numbers; and 4) calculation of the error magnitudes. The proposed decoding procedure also applies to the synthesis of a shortest linear-feedback shift register (LFSR), capable of generating a prescribed finite sequence of elements lying in a commutative ring with identity. © 1997 IEEE.
Rights: fechado
Identifier DOI: 10.1109/18.568713
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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