Chang-Seok Choi

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In this paper, we propose a soft-decision-based FEC scheme which is the concatenation of a non-binary LDPC (NB-LDPC) code and hard-decision FEC code having a compatibility with existing OTU-4 frame structure. The proposed concatenated NB-LDPC + RS frame structure is also provided and the entire frame size is 18,368 bytes. The proposed NB-LDPC(2304,2048)(More)