Design and Analysis of Adaptive Message Coding on LDPC Decoder with Faulty Storage

@article{Ge2018DesignAA,
  title={Design and Analysis of Adaptive Message Coding on LDPC Decoder with Faulty Storage},
  author={Guangjun Ge and Liuguo Yin},
  journal={Wireless Communications and Mobile Computing},
  year={2018},
  volume={2018}
}
Unreliable message storage severely degrades the performance of LDPC decoders. This paper discusses the impacts of message errors on LDPC decoders and schemes improving the robustness. Firstly, we develop a discrete density evolution analysis for faulty LDPC decoders, which indicates that protecting the sign bits of messages is effective enough for finite-precision LDPC decoders. Secondly, we analyze the effects of quantization precision loss for static sign bit protection and propose an… CONTINUE READING

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