Joint Successive Cancellation Decoding for Bit-Interleaved Polar Coded Modulation

Joint Successive Cancellation Decoding for Bit-Interleaved Polar Coded Modulation
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位交织极性编码调制的联合连续消除解码

DOI:
10.1109/lcomm.2015.2514279
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发表时间:
2016
期刊:
IEEE COMMUNICATIONS LETTERS
影响因子:
--
通讯作者:
Wang Runxin
Wang Runxin
中科院分区:
其他
文献类型:
--
作者:
Tian Kuangda;Liu Rongke;Wang Runxin

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为了提高比特交织极化编码调制(BIPCM)的性能,提出了一种BIPCM的联合连续抵消(SC)译码算法。在该算法中,考虑了映射到同一符号的编码比特之间的相关性。该算法基于递归结构,将解映射和解交织单元与SC译码器结合起来。因此,信息比特直接通过接收符号的似然比(LR)而不是编码比特的LR来解码。仿真结果表明,与现有的BIPCM方案相比,该算法的性能提高了0.75-1.25 dB。
To improve the performance of bit-interleaved polar-coded modulation (BIPCM), a joint successive cancellation (SC) decoding algorithm for BIPCM is proposed. In the proposed algorithm, the correlation between coded bits, which are mapped into the same symbol is considered. Based on the recursive structure of the proposed algorithm, the demapping and deinterleaving units are combined with SC decoder. Thus, the information bits are directly decoded by the likelihood ratios (LRs) of the received symbols instead of the LRs of coded bits. Simulation results show that the performance of existing BIPCM schemes can be improved 0.75-1.25 dB with the proposed algorithm.
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