Motivation Modeling Design Experiments Conclusions Problem Statment WiFi based Activity Recognition Using commercial WiFi devices to recognize human activities. Wireless router Laptop Advantages Work in dark Better coverage Less intrusive to user privacy No need to wear sensors 至aC 3/24Motivation Modeling Design Experiments Conclusions Problem Statment WiFi based Activity Recognition • Using commercial WiFi devices to recognize human activities. Wireless router Laptop Wireless signal reflection Advantages X Work in dark X Better coverage X Less intrusive to user privacy X No need to wear sensors 3/24