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An Autoencoder-Based I/Q Channel Interaction Enhancement Method for Automatic Modulation Recognition
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DOI：10.1109/TVT.2023.3248625.png)
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摘要
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This article proposes an autoencoder-based method to enhance the information interaction between in-phase/quadrature (I/Q) channels of the input data for automatic modulation recognition (AMR). The proposed method utilizes an autoencoder built by fully-connected layers to correlate the features of I/Q data and obtain the interaction feature from the intermediate layer, which is concatenated together with the original I/Q data as model inputs. To accommodate the new data dimensions, a modification scheme for the existing representative deep learning based AMR (DL-AMR) models is presented. Experimental results show that our method can improve the recognition accuracy of the state-of-the-art baseline models, and has a smaller time overhead compared with complex-valued neural networks.
Keyword:
Automatic modulation recognition
in-phase
quadrature signal
deep learning
autoencoder
期刊
IF:
7.1
论文数:
1.8W
被引数:
6.6W
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