面向流式通信的耦合LDPC码研究综述

王千帆; 杨佳仪; 王寅楚; 蔡穗华; 马啸

doi:10.12263/DZXB.20240167

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面向流式通信的耦合LDPC码研究综述

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- 面向流式通信的耦合LDPC码研究综述
- A Review of Coupled LDPC Codes for Streaming Communications
- 电子学报 2024年52卷第8期页码：2913-2932
- 作者机构：
  
  1.中山大学计算机学院，广东广州 510006
  2.广东省信息安全技术重点实验室，广东广州 510006
- 作者简介：
  
  [ "王千帆男，1992年2月出生.现为中山大学博士后.主要研究方向为信道编码及其在无线通信中的应用." ]
  [ "杨佳仪男，2000年11月出生.现为中山大学在读博士生，主要研究方向为编码调制技术及其在无线通信中的应用." ]
  [ "王寅楚男，1998年7月出生.现为中山大学在读博士生，主要研究方向为信道编码技术.E-mail:wangych59@mail2.sysu.edu.cn" ]
  [ "蔡穗华男，1988年12月出生.现为中山大学副教授，要研究方向为信息与编码理论、编码调制技术. E-mail:caish23@mail.sysu.edu.cn" ]
  [ "马啸男，1968年10月出生.现为中山大学教授，要研究方向为信息与编码理论、编码调制技术、无线通信和光通信等. E-mail:maxiao@mail.sysu.edu.cn" ]
- 基金信息：
  
  国家重点研发计划(2021YFA1000500);国家自然科学基金(62301617);广东省自然科学基金(2023A1515011056)
- DOI：10.12263/DZXB.20240167
  中图分类号： TN911.22;TN919.3
- 收稿：2024-02-21，
  
  修回：2024-03-20，
  
  网络出版：2024-08-22，
  
  纸质出版：2024-08-25
- 稿件说明：
移动端阅览
王千帆, 杨佳仪, 王寅楚, 等. 面向流式通信的耦合LDPC码研究综述[J]. 电子学报, 2024, 52(08): 2913-2932.

WANG Qian-fan, YANG Jia-yi, WANG Yin-chu, et al. A Review of Coupled LDPC Codes for Streaming Communications[J]. Acta Electronica Sinica, 2024, 52(08): 2913-2932.
王千帆, 杨佳仪, 王寅楚, 等. 面向流式通信的耦合LDPC码研究综述[J]. 电子学报, 2024, 52(08): 2913-2932. DOI：10.12263/DZXB.20240167

WANG Qian-fan, YANG Jia-yi, WANG Yin-chu, et al. A Review of Coupled LDPC Codes for Streaming Communications[J]. Acta Electronica Sinica, 2024, 52(08): 2913-2932. DOI：10.12263/DZXB.20240167

摘要

流式通信是光纤通信网络和移动通信网络中重要的通信场景，区别于传统的间歇式或分块通信场景，流式通信中传输的数据具有典型的连续流式特性.面向流式通信场景，耦合码因其相对于传统分组码具有显著的性能提升，加之其天然的低编译码时延结构，成为流式通信场景中重要的信道编码候选技术.本文先回顾现有的耦合低密度校验（Low-Density Parity-Check，LDPC）码技术，包括：乘积类耦合LDPC码、部分重编码类耦合LDPC码、空间耦合LDPC码和全局耦合LDPC码.在此基础上，本文进一步介绍了基于便车码技术的耦合LDPC码改进提升设计，并介绍了基于分组马尔可夫叠加传输技术的一类新型耦合LDPC码.最后，本文对耦合LDPC码的发展前景和研究方向进行展望.

Abstract

Streaming communication is an essential communication scenario in optical fiber communication networks and mobile communication networks. Unlike traditional intermittent or block-oriented communication

the data transmission in streaming communication exhibits typical continuous streaming characteristics. Coupled codes

compared to traditional block codes

have shown significant performance improvement in streaming communication scenarios. Additionally

they inherit low encoding and decoding latency. These advantages make coupled codes an important candidate for channel coding in streaming communication scenarios. This paper first reviews existing coupled LDPC codes

including product-like coupled LDPC codes

partially reencoded coupled LDPC codes

spatially coupled LDPC (SC-LDPC) codes

and globally coupled LDPC (GC-LDPC) codes. Following that

this paper introduces a series of improved designs for coupled LDPC codes based on free-ride codes

and introduces a new class of coupled LDPC codes based on block Markov superposition transmission (BMST) techniques. Finally

this paper concludes with a discussion on future prospects and research directions of the coupled LDPC codes.

关键词

Keywords

references

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