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IEICE TRANSACTIONS on Communications

A Lightweight Automatic Modulation Recognition Algorithm Based on Deep Learning

Dong YI, Di WU, Tao HU

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Summary :

Automatic modulation recognition (AMR) plays a critical role in modern communication systems. Owing to the recent advancements of deep learning (DL) techniques, the application of DL has been widely studied in AMR, and a large number of DL-AMR algorithms with high recognition rates have been developed. Most DL-AMR algorithm models have high recognition accuracy but have numerous parameters and are huge, complex models, which make them hard to deploy on resource-constrained platforms, such as satellite platforms. Some lightweight and low-complexity DL-AMR algorithm models also struggle to meet the accuracy requirements. Based on this, this paper proposes a lightweight and high-recognition-rate DL-AMR algorithm model called Lightweight Densely Connected Convolutional Network (DenseNet) Long Short-Term Memory network (LDLSTM). The model cascade of DenseNet and LSTM can achieve the same recognition accuracy as other advanced DL-AMR algorithms, but the parameter volume is only 1/12 that of these algorithms. Thus, it is advantageous to deploy LDLSTM in resource-constrained systems.

Publication
IEICE TRANSACTIONS on Communications Vol.E106-B No.4 pp.367-373
Publication Date
2023/04/01
Publicized
2022/09/30
Online ISSN
1745-1345
DOI
10.1587/transcom.2022EBP3087
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Dong YI
  PLA Strategic Support Force Information Engineering University
Di WU
  PLA Strategic Support Force Information Engineering University
Tao HU
  PLA Strategic Support Force Information Engineering University

Keyword