Polar Feature Based Deep Architectures for Automatic Modulation Classification Considering Channel Fading

10/04/2018
by   Chieh-Fang Teng, et al.
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To develop intelligent receivers, automatic modulation classification (AMC) plays an important role for better spectrum utilization. The emerging deep learning (DL) technique has received much attention in AMC due to its superior performance in classifying data with deep structure. In this work, a novel polar-based deep learning architecture with channel compensation network (CCN) is proposed. Our test results show that learning features from polar domain (r-theta) can improve recognition accuracy by 5 by 48 amplitude and phase offsets, and can improve the recognition accuracy by 14 under practical channel environments.

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