Research on End-to-End Wireless Communication System Based on Two-Dimensional Convolution

LIU Qiao-shou; LIU Jun-jie; YU Gan-cheng; ZHOU Xiong

doi:10.12263/DZXB.20220374

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Research on End-to-End Wireless Communication System Based on Two-Dimensional Convolution

PAPERS | 更新时间：2025-12-08

- Research on End-to-End Wireless Communication System Based on Two-Dimensional Convolution
- ACTA ELECTRONICA SINICA Vol. 51, Issue 7, Pages: 1725-1733(2023)
- 作者机构：
  
  1.重庆邮电大学通信与信息工程学院,重庆 400065
  2.先进网络与智能互联技术重庆市高校重点实验室,重庆 400065
  3.泛在感知与互联重庆市重点实验室,重庆 400065
- 作者简介：
- 基金信息：
  
  Key Project of Chongqing Natural Science Foundation(cstc2020jcyj-zdxmX0024);Chongqing Graduate Research Innovation Project(CYS21297)
- DOI：10.12263/DZXB.20220374
  CLC： TN911.7
- Received：08 April 2022，
  
  Revised：2023-02-16，
  
  Published：25 July 2023
- 稿件说明：
移动端阅览
刘乔寿,刘俊杰,蔚淦丞等.基于二维卷积的端到端无线通信系统研究[J].电子学报,2023,51(07):1725-1733.

LIU Qiao-shou,LIU Jun-jie,YU Gan-cheng,et al.Research on End-to-End Wireless Communication System Based on Two-Dimensional Convolution[J].ACTA ELECTRONICA SINICA,2023,51(07):1725-1733.
刘乔寿,刘俊杰,蔚淦丞等.基于二维卷积的端到端无线通信系统研究[J].电子学报,2023,51(07):1725-1733. DOI： 10.12263/DZXB.20220374.

LIU Qiao-shou,LIU Jun-jie,YU Gan-cheng,et al.Research on End-to-End Wireless Communication System Based on Two-Dimensional Convolution[J].ACTA ELECTRONICA SINICA,2023,51(07):1725-1733. DOI： 10.12263/DZXB.20220374.

摘要

针对现有端到端自动编译码器无线通信系统在多径信道中表现不佳的问题，本文提出了一种改进的自动编译码器端到端无线通信系统.在设计中，通过改变卷积核的尺寸，利用二维卷积来对抗多径效应引起的频率选择性衰落，并将传统OFDM（Orthogonal Frequency Division Multiplexing）模块同自动编译码器相结合，以此来增加系统应对多径信道的能力.同时，通过仿真分析一维卷积自动编译码器无线通信系统、传统OFDM无线通信系统以及本文改进的自动编译码器无线通信系统在多径信道下的性能.结果表明，在5径瑞利信道下并且以误块率（Block Error Rate，BLER）作为性能指标时，所提出的基于二维卷积的自动编译码器无线通信系统在64QAM调制下相比经典自动编译码器无线通信系统和传统OFDM无线通信系统分别提升了17%和60%的性能，本文的仿真分析给出了详细的对比说明.另外本文还分析了不同调制、不同信道时卷积核数量对系统性能的影响.

Abstract

Aiming at the problem that the existing end-to-end automatic codec (auto-codec) wireless communication systems do not perform well in multipath channels

this paper proposes an improved auto-codec end-to-end wireless communication system. In the design

by changing the size of the convolution kernel

the two-dimensional convolution is used to combat the frequency selective fading caused by the multipath effect

and the traditional OFDM (Orthogonal Frequency Division Multiplexing) module is combined with the auto-codec to increase the system's ability to cope with multipath. At the same time

the performance of one-dimensional convolutional auto-codec wireless communication system

traditional OFDM wireless communication system and the improved auto-codec wireless communication system under multipath channel are analyzed by simulation. The results show that the proposed auto-codec wireless communication system based on two-dimensional convolution

compared to the classical auto-codec wireless communication system and the traditional OFDM wireless communication system

improves 17% and 60% in terms of block error rate (BLER) respectively

under 5-path Rayleigh channel

64QAM modulation. The details are given in the simulation analysis. In addition

this paper also analyzes the impact of the number of convolution kernels on the system performance under different modulations and different channels.

关键词

Keywords

references

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