CRC Location Design for Polar Codes
CRC Location Design for Polar Codes
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Polar 码的 CRC 位置设计
DOI:
10.1109/lcomm.2018.2868067
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发表时间:
2018-08
期刊:
影响因子:
--
通讯作者:
任敬
中科院分区:
文献类型:
--
作者:
成风毅;刘爱军;张应宪;任敬
Polar codes concatenated with cyclic redundancy check (CRC) can achieve a competitive performance compared with the state-of-the-art codes. In this letter, we propose a criterion for designing concatenation structure based on an error pattern matrix. According to this criterion, we rearrange the location of CRC bits for polar codes to further improve the decoding performance. Meanwhile, the optimal CRC searching complexity of the proposed concatenation structure is significantly less than that of the standard CRC-polar concatenation scheme. Simulation results show that the proposed concatenation scheme outperforms the standard scheme whether they use the identical standard CRC or their respective optimal CRCs.
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DOI:
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发表时间:
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期刊:
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