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Richardson and Urbanke developed a powerful method density evolution which determines, for various channels, the capacity of irregular low-density ...
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Abstract: We construct new families of low-density parity-check (LDPC) code ensembles which are subensembles of conventional irregular LDPC code ensembles ...
Detailedly Represented Irregular Low-Density Parity-Check Codes Kenta KASAI · Tomoharu SHIBUYA · Kohichi SAKANIWA Publication
This work presents an ensemble of irregular low-density parity check (LDPC) codes based on an ensemble of bipartite graphs, which formulated the average ...
The codes are built from highly irregular bipartite graphs with care- fully chosen degree patterns on both sides. Our theoretical analysis of the codes is ...
"Improved low-density parity check codes using irregular graphs," IEEE Trans. Inf. Theory,. Feb. 2001. S.-Y. Chung, et al. "On the design of low-density ...
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This work presents an ensemble of irregular low-density parity check (LDPC) codes based on an ensemble of bipartite graphs, which formulated the average weight ...
We improve on Gallager's results by introducing irregular parity-check ma- trices and a new rigorous analysis of hard-decision decoding of these codes.
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An LDPC code is -regular if the parity-check matrix has a fixed number of nonzero entries in each row and entries in each column; otherwise, the LDPC code is ...
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This work describes a new systematic construction approach for irregular low-density parity-check codes based on the splitting-and-filling technique.