Spatially Coupled Generalized LDPC Codes: Introduction and Overview
2018 IEEE 10th International Symposium on Turbo Codes & Iterative Information Processing (ISTC)(2018)
摘要
Generalized low-density parity-check (GLDPC) codes are a class of LDPC codes in which the standard single parity check (SPC) constraints are replaced by more general constraints, viz., constraints defined by a linear block code. These stronger constraints typically result in improved error floor performance, due to better minimum distance and trapping set properties, at a cost of some increased decoding complexity. In this paper, we summarize some recent results on spatially coupled generalized low-density parity-check (SC-GLDPC) codes. Results are compared to GLDPC block codes and the advantages and disadvantages of SC-GLDPC codes are discussed.
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关键词
generalized LDPC codes,standard single parity check constraints,linear block code,trapping set properties,GLDPC block codes,SC-GLDPC codes,parity-check codes,error floor performance,decoding complexity
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