Low-latency software successive cancellation list polar decoder using stage-located copy

@article{Shen2016LowlatencySS,
  title={Low-latency software successive cancellation list polar decoder using stage-located copy},
  author={Yifei Shen and Chuan Zhang and Junmei Yang and Shunqing Zhang and Xiaohu You},
  journal={2016 IEEE International Conference on Digital Signal Processing (DSP)},
  year={2016},
  pages={84-88}
}
Successive cancellation list (SCL) decoding for polar codes is promising in data communication. However, in addition to L times complexity of conventional SC, both path selecting and updating result in extra complexity. In detail, the copy of intermediate values suffers from a long latency, especially when list size L is large. In this paper, a stage-located copy algorithm is proposed to avoid copying the same contents in candidate paths, which significantly reduces the processing latency… CONTINUE READING

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