双耦合极化码及其编码调制方案

陈皓炜; 蔡穗华; 韦宝典; 马啸

doi:10.12263/DZXB.20211030

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双耦合极化码及其编码调制方案

学术论文 | 更新时间：2025-12-08

- 双耦合极化码及其编码调制方案
- Dual Coupled Polar Coded Modulation
- 电子学报 2022年50卷第8期页码：1917-1924
- 作者机构：
  
  中山大学计算机学院，广东广州 510006
- 作者简介：
  
  [ "陈皓炜男,1998年10月出生，江西赣州人.2016年毕业于西安电子科技大学通信工程学院，2020年进入中山大学计算机学院.现为硕士生，从事极化码编码调制相关研究.E-mail: chenhw39@mail2.sysu.edu.cn" ]
  [ "蔡穗华男,1988年12月出生，广东广州人.2019年博士毕业于中山大学信息与通信工程专业，现在中山大学计算机学院从事博士后工作，主要研究方向为信息论与信道编码，及其在光纤通信、无线通信中的应用.E-mail: caish23@mail.sysu.edu.cn" ]
  [ "韦宝典男,1976年5月出生，广西贵港人.副教授，硕士生导师.2004年毕业于西安电子科技大学获工学博士学位.现为中山大学计算机学院教师，从事信息理论与技术方面的有关研究.E-mail: weibd@mail.sysu.edu.cn" ]
  [ "马啸男,1968年10月出生，河南焦作人.教授、博士生导师.2000年毕业于西安电子科技大学，其后在美国哈佛大学和香港城市大学从事研究工作.现任职于中山大学计算机学院，主要研究方向为信息与编码理论、编码调制技术、无线通信、光通信等.E-mail: maxiao@mail.sysu.edu.cn" ]
- 基金信息：
  
  国家重点研发计划(2020YFB1807100);广东省基础与应用基础研究基金(2020A1515010687);广州市基础研究计划基础与应用基础研究项目(202102080322);国家自然科学基金(61972431)
- DOI：10.12263/DZXB.20211030
  中图分类号： TN911.22
- 收稿：2021-08-01，
  
  修回：2022-04-16，
  
  纸质出版：2022-08-25
- 稿件说明：
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陈皓炜,蔡穗华,韦宝典等.双耦合极化码及其编码调制方案[J].电子学报,2022,50(08):1917-1924.

CHEN Hao-wei,CAI Sui-hua,WEI Bao-dian,et al.Dual Coupled Polar Coded Modulation[J].ACTA ELECTRONICA SINICA,2022,50(08):1917-1924.
陈皓炜,蔡穗华,韦宝典等.双耦合极化码及其编码调制方案[J].电子学报,2022,50(08):1917-1924. DOI： 10.12263/DZXB.20211030.

CHEN Hao-wei,CAI Sui-hua,WEI Bao-dian,et al.Dual Coupled Polar Coded Modulation[J].ACTA ELECTRONICA SINICA,2022,50(08):1917-1924. DOI： 10.12263/DZXB.20211030.

摘要

本文提出了双耦合极化码（Dual Coupled Polar，DC-Polar）的方案，并推导了其性能下界.基于此，本文考虑高阶调制的情况，给出了采用双耦合极化码的比特交织编码调制（Bit-Interleaved Coded Modulation，BICM）方案.为了解决高阶调制下码长匹配的问题，本文基于多层编码调制的思想提出了双层耦合极化编码调制（DC-Polar Two-Layer Coding，DC-Polar-TLC）方案，其优点在于码长灵活，不需要使用删余或截短等技术.仿真结果显示，双层耦合极化编码调制方案具有较好性能，在64QAM调制下，该方案与使用比特交织编码调制的CRC辅助极化码相比具有约0.6 dB的增益.

Abstract

In this paper

the dual coupled polar(DC-Polar) code is proposed and its lower bound is derived. Based on this

DC-Polar code combined with bit-interleaved coded modulation(BICM) is presented for high-order constellations. To overcome the rate matching problem

a new coded modulation scheme called DC-Polar two-layer coding(DC-Polar-TLC) is proposed. The advantage of this scheme is that the code length can be adjusted flexibly without applying puncturing or shortening methods. It is shown by numerical simulations that the proposed DC-Polar-TLC scheme has good performance. The presented scheme can achieve about 0.6 dB performance gains compared to the bit-interleaved coded modulation scheme with CRC-aided polar code for the case of 64QAM.

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references

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