Abstract

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.

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