Wi-CSNet: A Spatio-Temporal Model for CSI-Based Human Activity Recognition
Wi-CSNet is presented, a lightweight CSI-oriented framework that integrates Discrete Wavelet Transform (DWT) preprocessing, asymmetric-stride convolutions, and a Cross-Scanning State Space Duality block derived from Mamba2 that confirms the effectiveness and robustness of Wi-CSNet for fine-grained CSI-based activity re...