Sequential decoding for a subcode of Reed Solomon Codes
This paper describes the performance of sequential decoding as applied to a subcode of Reed Solomon (RS) codes. As an efficient soft decision decoding technique sequential decoding using a modified Fano algorithm has been attempted. An encoding technique for generating subcode is designed to enhance the performance and the computational efficiency of the decoder. The performance has been estimated on an AWGN channel. Sequential decoding performance of the subcode of (15,11) RS code could produce a comparable performance as well as computational efficiency to Viterbi decoding of rate 1/2 convolutional code with constraint length 7.
KeywordsEncode Strategy Code Rate Convolutional Code Reed Solomon Code Reed Solomon
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- 2.Michelson, A. M. and Levesque, A. H., “Error-Control Techniques for Digital Communications”, Wiley-Interscience, New York, 1985Google Scholar
- 4.Shin, S. K. and Sweeney, P., “Trellis Decoding of Reed Solomon Codes by Using Soft Decision Information”, presented at the Third UK/Australian International Symposium on “DSP for Communication Systems”, 12–14 December 1994, University of Warwick, U.KGoogle Scholar
- 5.Shin, S. K., “Trellis Decoding of Reed Solomon Codes”, Ph.D Thesis, University of Surrey, U.K., 1994Google Scholar
- 6.Shin, S. K. and Sweeney, P., “Soft Decision Sequential Decoder for Reed Solomon Codes”, International Journal of Electronics, Vol. 79, No. 1, pp. 1–6, 1995Google Scholar