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Irregular low-density parity-check code design based on integer lattices

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2 Author(s)
Matsumoto, W. ; Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kanagawa, Japan ; Imai, H.

We propose an irregular low-density parity-check (LDPC) code design scheme by extension of a regular LDPC code using Latin square matrices of random sequence. Our scheme is a deterministic method that enables to easily design good irregular LDPC code for any code rate and degree distributions. We optimize LDPC codes by Gaussian approximation (GA) Chung, S-Y et al., (2001) method and construct irregular LDPC codes based on integer lattices Vasic, B et al., (2002).

Published in:

Information Theory, 2003. Proceedings. IEEE International Symposium on

Date of Conference:

29 June-4 July 2003