WiFi human sensing has become increasingly attractive in enabling emerging human-
computer interaction applications. The corresponding technique has gradually evolved from …

In this study, we present WindTalker, a novel and practical keystroke inference framework
that allows an attacker to infer the sensitive keystrokes on a mobile device through WiFi …

WiFi-based gesture recognition emerges in recent years and attracts extensive attention
from researchers. Recognizing gestures via WiFi signal is feasible because a human …

We present the model, design, and implementation of SMARS, the first practical Sleep
Monitoring system that exploits Ambient Radio Signals to recognize sleep stages and …

Recently, device-free human behavior recognition has become a hot research topic and has
achieved significant progress in the field of ubiquitous computing. Among various …

Enabling pervasive WiFi devices with non-contact sensing capability is an important topic in
the field of integrated sensing and communication. Doppler effect has been widely exploited …

With the development of the Internet of Things (IoT), many kinds of wireless signals (eg, Wi-
Fi, LoRa, RFID) are filling our living and working spaces nowadays. Beyond communication …

The deeply penetrated WiFi signals not only provide fundamental communications for the
massive Internet of Things devices but also enable cognitive sensing ability in many other …

This paper explores the possibility of tracking finger drawings in the air leveraging WiFi
signals from commodity devices. Prior solutions typically require user to hold a wireless …

The contact-free sensing nature of Wi-Fi has been leveraged to achieve privacy breaches,
yet existing attacks relying on Wi-Fi CSI (channel state information) demand hacking Wi-Fi …