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In this paper, we propose a modified iterative decoding algorithm to decode a special class of quasi-cyclic low- density parity-check (QC-LDPC) codes such as QC-LDPC codes used in the IEEE 802.16e standards. The proposed decoding is implemented by serially decoding block codes with identical parity-check matrix H1 derived from the parity-check matrix H of the QC-LDPC codes. The dimensions of H1 are...
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