Open access
2026
M4: A Multi-Scale Dual-Domain Feature Fusion Transformer for Automatic Modulation Classification
This paper proposes M4, a lightweight Transformer that appends a fixed discrete Fourier transform-derived spectral channel (DualFFT) and integrates three additional modules—ResDepth, SwiGLUConv, and large-kernel ConvNeXt (LGK).
Zi-Xuan Liu, Yuan-Kuang Li, Wei Xiong
· IEEE Access · 0 citations