Postdoctoral researcher in Electrical and Computer Engineering at King Abdullah University of Science and Technology (KAUST)

Research Interests

  • GNSS Localization.
  • Attitude Determination.

Education

Doctor of Philosophy (Ph.D.)
Electrical Engineering, King Abdullah University of Science and Technology (KAUST), Saudi Arabia, 2023
Master of Science (M.S.)
Information and Communication Technology, University of Chinese Academy of Sciences (UCAS), China, 2017
Bachelor of Engineering (B.Eng.)
Electrical Engineering, China University of Petroleum (East China), China, 2014

Quote

KAUST is a beautiful place which is suitable for living, focusing on research and experiencing a vibrant and colorful culture. I expect to do some meaningful study for providing more accurate localization information.

Selected Publications

  • Ahmed, M. ., Ballal, T. ., Liu, X. ., & Al-Naffouri, T. Y. (2023). Multipath Detection and Mitigation from GNSS Observations Using Antenna Arrays. IEEE ION Position, Location and Navigation Symposium (PLANS). Presented at the. Monterey, CA, USA: IEEE.
  • Liu, X. ., Ballal, T. ., Ahmed, M. ., & Al-Naffouri, T. Y. (2022). A GNSS Attitude Determination Algorithm Using Optimization Techniques on Riemannian Manifolds,. 35th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2022). Presented at the. Hyatt Regency Denver Denver, Colorado: ION.
  • Liu, X. ., Ballal, T. ., & Al-Naffouri, T. Y. (2019). GNSS-based Localization for Autonomous Vehicles: Prospects and Challenges. EUSIPCO 2019 Satellite Workshop: Signal Processing, Computer Vision and Deep Learning for Autonomous Systems. Presented at the. A Coruña, Spain,: EUSIPCO 2019.
  • Chen, H. ., Ballal, T. ., Liu, X. ., & Al-Naffouri, T. Y. (2019). Realtime 2-D DOA Estimation using Phase-Difference Projection (PDP). 27th European Signal Processing Conference (EUSIPCO). Presented at the. A Coruna, Spain: IEEE.
  • Liu, X. ., Ballal, T. ., & Al-Naffouri, T. Y. (2018). GNSS Ambiguity Resolution and Attitude Determination by Leveraging Relative Baseline and Frequency Information. 31st International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2018). Presented at the. Hyatt Regency Miami Miami, Florida: ION.