Design of capacity-approaching irregular low-density parity-check codes

We design low-density parity-check (LDPC) codes that perform at rates extremely close to the Shannon capacity. The codes are built from highly irregular bipartite graphs with carefully chosen degree patterns on both sides. Our theoretical analysis of the codes is based on the work of Richardson and...

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Vydané v:	IEEE transactions on information theory Ročník 47; číslo 2; s. 619 - 637
Hlavní autori:	Richardson, T.J., Shokrollahi, M.A., Urbanke, R.L.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 01.02.2001 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	Algorithms Asymptotic properties Binary system Codes Density Design engineering Error detection coding Graphs Messages Optimization Strategy Symmetry
ISSN:	0018-9448, 1557-9654
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