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This paper presents a design approach for low-density parity-check (LDPC) coding system hardware implementation by jointly conceiving irregular LDPC code construction and VLSI implementations of encoder and decoder. The key idea is to construct good irregular LDPC codes subject to two constraints that ensure the effective LDPC encoder and decoder hardware implementations. We propose a heuristic algorithm to construct such implementation-aware irregular LDPC codes that can achieve very good error correction performance. The encoder and decoder hardware architectures are correspondingly presented.
Circuits and Systems, 2004. ISCAS '04. Proceedings of the 2004 International Symposium on (Volume:2 )
Date of Conference: 23-26 May 2004