Dual Coupled Polar Coded Modulation

CHEN Hao-wei; CAI Sui-hua; WEI Bao-dian; MA Xiao

doi:10.12263/DZXB.20211030

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Dual Coupled Polar Coded Modulation

PAPERS | 更新时间：2025-12-08

- Dual Coupled Polar Coded Modulation
- ACTA ELECTRONICA SINICA Vol. 50, Issue 8, Pages: 1917-1924(2022)
- 作者机构：
  
  中山大学计算机学院，广东广州 510006
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20211030
  CLC： TN911.22
- Received：01 August 2021，
  
  Revised：2022-04-16，
  
  Published：25 August 2022
- 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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