Weitao Xu

Assistant Professor, Department of Computer Science

City University of Hong Kong (CityU)


I'm an Assistant Professor at the Department of Computer Science at City University of Hong Kong. I worked as a Postdoctoral Research Associate at University of New South Wales (UNSW) from June 2017 to August 2019. I obtained my PhD degree from the University of Queensland in 2017 (advised by Prof. Neil Bergmann and Prof. Wen Hu. I received my B.E. degree in Communication Engineering and M.E. degree in Communication and Information System both from the School of Information Science and Engineering, Shandong University (SDU) , China, in 2010 and 2013, respectively.

[Recruitment] I'm leading the S2MC lab@CityU and we're looking for self-motivated PhD students to join us. I have relatively broad research interests, but generally my previous research focuses on IoT such as smart sensing, IoT security, IoT+AI, wireless network etc (please visit our group website for more details). For current available PhD positions in my group. please visit Recruitment for more information.

Email: weitaoxu@cityu.edu.hk


  • Internet of Things (IoT)
  • Mobile Computing
  • IoT Security
  • Wearable Devices
  • Low-power Wide-area Network (LPWAN)


  • PhD in Computer Science, 2017

    University of Queensland

  • MEng in Information System, 2013

    Shandong University

  • BEng in Communication Engineering, 2010

    Shandong University



Assistant Professor

City University of Hong Kong

Aug 2019 – Present Hong Kong


University of New South Wales

Jun 2017 – Aug 2019 Sydney, Australia

Research Assistant

Australia CSIRO

Oct 2013 – Dec 2014 Brisbane, Australia


*2021.5 Our paper entitled “No Need of Data Pre-processing: A General Framework for Radio-Based Device-Free Context Awareness” has been accepted by ACM Transactions on Internet of Things!

*2021.1 We have two papers accepted by IPSN 2021!

*2020.10 Our Paper “Simultaneous Energy Harvesting and Gait Recognition using Piezoelectric Energy Harvester” has been accepted by TMC (IF: 5.115)!

*2020.10 Our Survey “Key Generation for Internet of Things: A Contemporary Survey” has been accepted by CSUR (IF: 7.99)!

*2020.07 Invited to serve on the TPC of EWSN 2020!

*2020.06 Our paper entitled “Nephalai: Towards LPWAN C-RAN with Physical Layer Compression” has been accepted by Mobicom 2020!