Transfer Learning for Automatic Modulation Recognition Using a Few Modulated Signal Samples

被引:14
|
作者
Lin, Wensheng [1 ]
Hou, Dongbin [1 ]
Huang, Junsheng [1 ]
Li, Lixin [1 ]
Han, Zhu [2 ,3 ]
机构
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Peoples R China
[2] Univ Houston, Dept Elect & Comp Engn, Houston, TX 77004 USA
[3] Kyung Hee Univ, Dept Comp Sci & Engn, Seoul 446701, South Korea
基金
中国国家自然科学基金;
关键词
Transfer learning; few-shot learning; automatic modulation recognition; convolutional neural network; deep learning; CLASSIFICATION;
D O I
10.1109/TVT.2023.3267270
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This letter proposes a transfer learning model for automatic modulation recognition (AMR) with only a few modulated signal samples. The transfer model is trained with the audio signal UrbanSound8K as the source domain, and then fine-tuned with a few modulated signal samples as the target domain. For improving the classification performance, the signal-to-noise ratio (SNR) is utilized as a feature to facilitate the classification of signals. Simulation results indicate that the transfer model has a significant superiority in terms of classification accuracy.
引用
收藏
页码:12391 / 12395
页数:5
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