https://ieeexplore.ieee.org/iel7/6221039/8253365/08519781.pdf
X Yang, D Fan, A Ren, N Zhao, Z Zhang, F Hu, W Wang… - IEEE Journal of …, 2018
A non-intrusive sleep apnea detection system using a C-Band channel sensing technique is proposed to monitor sleep apnea syndrome in real time. The system utilizes perturbations of RF signals to differentiate between patient's breathing under …