Contact InformationLiang-Liang Xie

Phone: 519-888-4567 x33697
Location: EIT 4173


Biography Summary

Liang-Liang Xie is a Professor in the Department of Electrical and Computer Engineering at the University of Waterloo.

Professor Xie’s research interests are in wireless networks, information theory, adaptive control, system identification and Shannon theory. His publications include journals for IEEE Transactions on Information Theory and IEEE Journal on Selected Areas in Communications. Conference papers written by Professor Xie were for events such as the IEEE International Conference on Communications (ICC), IEEE Globecom and IEEE International Symposium on Information Theory (ISIT).

Research Interests

  • Information theory
  • Adaptive control
  • System identification
  • Communication & Information Systems
  • Wireless communications/networking


  • 1999, Doctorate, Control Theory, Chinese Academy of Sciences
  • 1995, Bachelor of Science (BS), Mathematics, Shandong University


  • ECE 203 - Probability Theory and Statistics 1
    • Taught in 2020, 2021
  • ECE 306 - Probability Theory and Statistics
    • Taught in 2020
  • ECE 316 - Probability Theory and Statistics
    • Taught in 2018, 2019
  • ECE 318 - Communication Systems 1
    • Taught in 2022
  • ECE 608 - Quantitative Methods in Biomedical Engineering
    • Taught in 2020
  • ECE 609 - Engineering Analysis of Living Cells
    • Taught in 2021, 2022
  • ECE 700 - Special Topics in Electrical and Computer Engineering
    • Taught in 2019
* Only courses taught in the past 5 years are displayed.

Selected/Recent Publications

  • Zhang, Ran and Wang, Miao and Shen, Xuemin and Xie, Liang-liang, Probabilistic Analysis on QoS Provisioning for Internet of Things in LTE-A Heterogeneous Networks with Partial Spectrum Usage, IEEE Internet of Things Journal, 3(3), 2016, 354 - 365
  • Wu, Xiugang and Ozgur, Ayfer and Xie, Liang-Liang, Improving on the cut-set bound via geometric analysis of typical sets, arXiv preprint arXiv:1602.08540, 2016
  • Cai, Weirong and Xu, Huiling and Xie, Liangliang and Sun, Jian and Sun, Taotao and Wu, Xiaoyan and Fu, Qinbao, Purification, characterization and in vitro anticoagulant activity of polysaccharides from Gentiana scabra Bunge roots, Carbohydrate polymers, 140, 2016, 308 - 313
  • Ponniah, Jonathan and Xie, Liang-Liang, An Achievable Rate Region for the Two-Way Multiple-Relay Channel, arXiv preprint arXiv:1601.06229, 2016
  • Zhang, Xiaoxia and Shen, Xuemin Sherman and Xie, Liang-Liang, Uplink Achievable Rate and Power Allocation in Cooperative LTE-Advanced Networks, IEEE Transactions on Vehicular Technology, 65(4), 2016, 2196 - 2207

Graduate Studies