European Journal of Combinatorics
IEEE Transactions on Information Theory - Part 1
IEEE Transactions on Information Theory
Error exponents of expander codes
IEEE Transactions on Information Theory
Asymptotic estimation of the fraction of errors correctable by q-ary LDPC codes
Problems of Information Transmission
Analysis of the relation between properties of LDPC codes and the tanner graph
Problems of Information Transmission
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Ensembles of binary random LDPC block codes constructed using Hamming codes as constituent codes are studied for communicating over the binary symmetric channel. These ensembles are known to contain codes that asymptotically almost meet the Gilbert-Varshamov bound. It is shown that in these ensembles there exist codes which can correct a number of errors that grows linearly with the code length, when decoded with a low-complexity iterative decoder, which requires a number of iterations that is a logarithmic function of the code length. The results are supported by numerical examples, for various choices of the code parameters.