Comcast's Xfinity has introduced a new feature in its internet routers called Wi-Fi Motion, which uses Wi-Fi signals to detect movement in your home, whether from people, pets or other moving objects.

Researchers have demonstrated that standard WiFi signals, the same ones streaming video and connecting smart speakers, can be passively intercepted from outside a building to track the movements of ...

WiFi-based human activity recognition systems exploit the inherent sensitivity of wireless signals to human motion, posture and presence. As individuals move within an indoor environment, their bodies ...