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基于Transformer的通信信号调制识别方法
引用本文:李振星,赵晓蕾,刘伟承,王杰.基于Transformer的通信信号调制识别方法[J].太赫兹科学与电子信息学报,2022,20(12):1311-1317.
作者姓名:李振星  赵晓蕾  刘伟承  王杰
作者单位:中国电波传播研究所,山东 青岛 266107
摘    要:提出一种基于Transformer模型的通信信号调制识别方法:在数据准备阶段,构建一个不同符号速率调制识别(DSRMR)数据集;在数据预处理阶段,提出I/Q数据增强方法,用于满足模型训练在数量上和多样性的要求,增强了模型泛化能力;在模型构建阶段,将切片序列化的方法引入调制识别Transformer模型中,用于优化Transformer神经网络模型的输入问题。实验结果证明,基于Transformer模型的通信信号调制识别方法能够获得较高的信号自动调制识别准确率。

关 键 词:调制识别  数据增强  Transformer模型
收稿时间:2021/10/27 0:00:00
修稿时间:2021/12/26 0:00:00

A modulation recognition method of communication signal based on Transformer
LI Zhenxing,ZHAO Xiaolei,LIU Weicheng,WANG Jie.A modulation recognition method of communication signal based on Transformer[J].Journal of Terahertz Science and Electronic Information Technology,2022,20(12):1311-1317.
Authors:LI Zhenxing  ZHAO Xiaolei  LIU Weicheng  WANG Jie
Abstract:A communication signal modulation recognition method based on Transformer model is proposed. In the data preparation stage, a Different Symbol Rate Modulation Recognition(DSRMR) data set is constructed. In the data preprocessing stage, a method of I/Q data enhancement is proposed to meet the quantitative and diverse requirements of model training, and to enhance the generalization ability of the model. In the model construction stage, the method of slice serialization is introduced into the modulation recognition Transformer model, and it is employed to optimize the input problem of the Transformer neural network model. Experimental results prove that the communication signal modulation recognition method based on the Transformer model can obtain high-precision in signal automatic modulation recognition.
Keywords:modulation recognition  data enhancement  Transformer model
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