Connecting Spatially Coupled LDPC Code Chains

Details Connecting Spatially Coupled LDPC Code Chains Connecting Spatially Coupled LDPC Code Chains

2011-11-24

arxiv.org/abs/1111.5668v1

Computer Science

Information Theory

Submitted to International Conference on Communications (ICC) 2012

Scientific paper

Codes constructed from connected spatially coupled low-density parity-check code (SC-LDPCC) chains are proposed and analyzed. It is demonstrated that connecting coupled chains results in improved iterative decoding performance. The constructed protograph ensembles have better iterative decoding thresholds compared to an individual SC-LDPCC chain and require less computational complexity per bit when operating in the near-threshold region. In addition, it is shown that the proposed constructions are asymptotically good in terms of minimum distance.

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