Fig. 9
From: EHUNAM, a WiFi CSI-based dataset for human and machine sensing

CNN Structure. This sequential model, implemented in TensorFlow/Keras, consists of three convolutional layers (32 filters of 5 × 5, 64 filters of 3 × 3, and 128 filters of 3 × 3), followed by two fully connected layers with 256 and 128 units, respectively.