基于空间调制的二维空时极化编码技术研究

周新宇; 王远平; 丘毓萍; 谢肇鹏; 蔡相明; 柯跃前; 陈平平

doi:10.12263/DZXB.20250841

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基于空间调制的二维空时极化编码技术研究

学术论文 | 更新时间：2026-06-16

- 基于空间调制的二维空时极化编码技术研究
- Research on Spatiotemporal 2-D Polarization Coding Technology Based on Spatial Modulation
- 电子学报 2026年54卷第3期页码：1319-1327
- 作者机构：
  
  1.福州大学物理与信息工程学院，福建福州 350108
  2.福州大学先进制造学院，福建泉州 350116
  3.泉州师范学院物理与信息工程学院，福建泉州 362000
- 作者简介：
  
  周新宇男，2000年5月出生于福建省宁德市。现为福州大学物理与信息工程学院硕士研究生。主要研究方向为极化码编译码与无线通信。E-mail: zxy15259053685@163.com
  王远平男，1999年5月出生于福建省福州市。2021年获得福州大学电子与信息工程学士学位。2025年获得福州大学新一代电子信息技术硕士学位。主要研究方向为极化码、空间调制与无线通信。E-mail: wyp_yuanping@163.com
  丘毓萍女，1999年10月出生于福建省龙岩市。现为福州大学物理与信息工程学院信息与通信工程博士研究生。主要研究方向为多址接入、信道编码等。中国电子学会会员编号：E190130947A。E-mail: yuping_qiu_fzu@163.com
  谢肇鹏男，1995年7月出生于福建省泉州市。于2023年获福州大学通信与信息系统专业博士学位，现为福州大学先进制造学院讲师。主要研究方向为联合信源信道编码、无线通信信号处理、信道编码及物理层网络编码。E-mail: xzp_fzu@163.com
  蔡相明男，1995年1月出生于福建省南平市。现为福州大学物理与信息工程学院副教授、硕士生导师。主要研究方向为隐蔽水声通信、混沌水声通信、非相干混沌通信、混沌保密/隐蔽通信的基础理论与应用。E-mail: xiangming.cai@fzu.edu.cn
  柯跃前男，1966年6月出生于福建省泉州市。现为泉州师范学院教授、高级工程师。主要研究方向为测控技术、应用物理。E-mail: yueqianke@126.com
  陈平平男，1986年12月出生于福建省泉州市。现为福州大学物理与信息工程学院教授。主要研究方向为信道编码、无线通信。中国电子学会会员编号：E190021215M。E-mail: ppchen.xm@gmail.com
- 基金信息：
  
  国家自然科学基金(62571134);2025福州市科技揭榜挂帅项目(2025-ZD-020);福建省产学研专项(2024H6013)
- DOI：10.12263/DZXB.20250841
  中图分类号： TN911.22;TN911.3
- 收稿：2025-09-25，
  
  修回：2026-02-26，
  
  纸质出版：2026-03-25
- 稿件说明：
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周新宇, 王远平, 丘毓萍, 等. 基于空间调制的二维空时极化编码技术研究[J]. 电子学报, 2026, 54(03): 1319-1327.

ZHOU Xinyu, WANG Yuanping, QIU Yuping, et al. Research on Spatiotemporal 2-D Polarization Coding Technology Based on Spatial Modulation[J]. Acta Electronica Sinica, 2026, 54(03): 1319-1327.
周新宇, 王远平, 丘毓萍, 等. 基于空间调制的二维空时极化编码技术研究[J]. 电子学报, 2026, 54(03): 1319-1327. DOI：10.12263/DZXB.20250841

ZHOU Xinyu, WANG Yuanping, QIU Yuping, et al. Research on Spatiotemporal 2-D Polarization Coding Technology Based on Spatial Modulation[J]. Acta Electronica Sinica, 2026, 54(03): 1319-1327. DOI：10.12263/DZXB.20250841

摘要

本文针对空间调制（Spatial Modulation， SM）短码编码系统的译码性能受限问题，提出了一种基于二维极化空时编码的空间调制（2D Polar-Coded SM， 2D-PC-SM）系统。不同于一维极化码空间调制（1D-PC-SM）方案仅在时间域编码，所提方案进一步引入空域编码，充分利用大规模天线阵列提供的空间维度，将信源信息在时间域和空间域联合编码生成二维码字矩阵，并通过空间调制映射完成传输，提升短码场景下的传输可靠性。在接收端，利用空时编码后空间调制符号的稀疏特性，提出了基于正交匹配追踪（Orthogonal Matching Pursuit， OMP）和近似消息传递（Approximate Message Passing， AMP）的检测译码接收机。仿真结果表明，所提2D-PC-SM-AMP的译码性能距离最大似然（Maximum Likelihood， ML）接收机的一维编码系统小于0.1 dB。同时，相较于最小均方误差（Minimum Mean Square Error， MMSE）检测，基于OMP和AMP的检测译码接收机大幅降低了计算复杂度，并取得2 dB的译码性能增益。

Abstract

This paper addresses the limited decoding performance of spatial modulation (SM) systems with short codes

and proposes a two-dimensional polar-coded spatial modulation (2D-PC-SM) system based on two-dimensional polar space-time coding. Unlike the one-dimensional polar-coded spatial modulation (1D-PC-SM) scheme

which encodes only in the time domain

the proposed scheme further introduces spatial domain encoding to fully exploit the spatial dimensions provided by massive antenna arrays. Source information is jointly encoded in both the time domain and the spatial domain to generate a two-dimensional codeword matrix

which is then transmitted through spatial modulation mapping

thereby improving transmission reliability in short-code scenarios. At the receiver side

leveraging the sparsity of the spatial modulation symbols after space-time coding

detection and decoding receivers based on orthogonal matching pursuit (OMP) and approximate message passing (AMP) are proposed. Simulation results demonstrate that the decoding performance of the proposed 2D-PC-SM-AMP is within 0.1 dB of the one-dimensional coded system with a maximum likelihood (ML) receiver. Meanwhile

compared to minimum mean square error (MMSE) detection

the OMP- and AMP-based detection and decoding receivers significantly reduce computational complexity while achieving a 2 dB decoding performance gain.

关键词

Keywords

references

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