New Syndrome Check Error Estimation and Its Concatenated Coding

Authors:
Jin Su Chang;Seung Bae Choi;Moon Ho Lee
Affiliations:
Department of Information, Institute of Information and Communication, Chonbuk National University, Chonju, 561–756, Korea;Department of Information, Institute of Information and Communication, Chonbuk National University, Chonju, 561–756, Korea;Department of Information, Institute of Information and Communication, Chonbuk National University, Chonju, 561–756, Korea E-mail: moonho@moak.chonbuk.ac.kr
Venue:
Wireless Personal Communications: An International Journal
Year:
2001

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Abstract

A low-complexity and high performance SCEE (Syndrome Check Error Estimation) decoding method for convolutional codes and its concatenated SCEE/RS (Reed–Solomon) coding scheme are proposed. First, we describe the operation of the decoding steps in the proposed algorithm. Then deterministic values on the decoding operation are derived when some combination of predecoder-reencoder is used. Computer simulation results show that the computational complexity of the proposed SCEE decoder is significantly reduced compared to that of conventional Viterbi decoder without degradation of the Pe performance. Also, simulation results of BER performance of the concatenated SCEE/Hard Decision Viterbi (HD-Viterbi) and SCEE/RS (Reed–Solomon) codes are presented.