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 日，+司1三13卡三分Q0 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