Understanding and Modeling of WiFi Signal Based Human Activity Recognition Wei Wangt,Alex X.Liutt,Muhammad Shahzadf,Kang Lingt,Sanglu Lut t Nanjing University,Michigan State University September 8,2015 日，+司1三13卡三分Q0 1/24Understanding and Modeling of WiFi Signal Based Human Activity Recognition Wei Wang† , Alex X. Liu†‡, Muhammad Shahzad‡ ,Kang Ling† , Sanglu Lu† †Nanjing University, ‡Michigan State University September 8, 2015 1/24