Alex X. Liu

Understanding and Modeling of WiFi Signal Based Human Activity Recognition

Wei Wang, Alex X. Liu, Muhammad Shahzad et al. · 2015 · 1.1K citations

Computing, Information Technology, Mobile Computing +14

Gait recognition using wifi signals

Wei Wang, Alex X. Liu, Muhammad Shahzad · 2016 · 557 citations · Full text

Computing, Information Technology, Mobile Computing +16

Keystroke Recognition Using WiFi Signals

Kamran Ali, Alex X. Liu, Wei Wang et al. · 2015 · 541 citations

Computing, Computer Science, Computer Systems +17

Device-Free Human Activity Recognition Using Commercial WiFi Devices

Wei Wang, Alex X. Liu, Muhammad Shahzad et al. · IEEE Journal on Selected Areas in Communications · 2017 · 492 citations

Engineering, Electrical Engineering, Mobile Computing +16

Device-free gesture tracking using acoustic signals

Wei Wang, Alex X. Liu, Ke Sun · 2016 · 376 citations · Full text

Engineering, Computer Systems, Acoustics +16