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[05-06, 2002] 

Journal of Electrical Engineering, Vol 53, 05-06 (2002) 138-142

COMMENTS ON "WEIGHT DISTRIBUTION OF SOME WEIGHTED SUM CODES FOR ERASURE CORRECTION"

Martin Rakús

   In [1], a new family of error detection codes called Weighted Sum Codes was proposed. In [2] it was noted that these codes are equivalent to lengthened Reed Solomon Codes or to a shortened version of lengthened Reed Solomon Codes over GF(2h/2). It was also shown that it is possible to use these codes for error correction of one error in the codeword over GF(2h/2). In [3], a weight spectra of Generalized Weighted Sum Codes (GWSC-II) constructed over GF(8) were presented. In the present paper, some possibilities to improve erasure correction capabilities of these codes were investigated. At the end a brief analysis of erasure detection failure is given.

  1. McAuley, A. J.: Weighted Sum Codes for Error Detection and their Comparison with Existing Codes, IEEE Trans. on Networking 2 1 (1994) 16-22
  2. Farkaš, P.: Comments on "Weighted Sum Codes for Error Detection and their Comparison with Existing Codes", IEEE Trans. on Networking 3 2 (1995) 129-130
  3. Farkaš, P. - Rakús, M.: Weight Distribution of Some Weighted Sum Codes for Erasure Correction, TSP'99, 22nd Int. Conference on Telecommunications and Signal Processing, Brno, Czech Republic, September 1999, pp. 106-109

Keywords: weight spectra, erasure correction, GWSC, decoding failure


[full-paper]


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