Configurable Multi-Rate Decoder Architecture for QC-LDPC Codes Based Broadband Broadcasting System

@article{Zhang2008ConfigurableMD,
  title={Configurable Multi-Rate Decoder Architecture for QC-LDPC Codes Based Broadband Broadcasting System},
  author={Luoming Zhang and Lin Gui and Youyun Xu and Wenjun Zhang},
  journal={IEEE Transactions on Broadcasting},
  year={2008},
  volume={54},
  pages={226-235}
}
In this paper we present a Base-matrix based decoder architecture for multi-rate QC-LDPC codes proposed in broadband broadcasting system. We use the Modified Min-Sum Algorithm (MMSA) as the decoding algorithm in this architecture, which lowers the complexity of the LDPC decoder while keeping almost the same performance or even better. Based on this algorithm, we designed a novel check node processing unit to reduce the complexity of the decoder and facilitate the multiplex of the processing… CONTINUE READING
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