Patents

Chapters

Journals

1. S. Saleh, Pinjun Zheng, X. Liu, Hui Chen, M. F. Keskin, B. Priyanto, M. Beale, Y. Ettefagh, G. Seco-Granados, T. Y. Al-Naffouri, H. Wymeersch, "Integrated 6G TN and NTN Localization: Challenges, Opportunities, and Advancements", IEEE Communications Standards Magazine, vol. 9, no. 2, pp. 63-71, June 2025, [link].

Conferences

1. X. Liu, X. Xian Zheng, T. Y. Al-Naffouri, J. A. Lopez-Salcedo, G. Seco-Granados, "Cooperative Decentralized Orbit Determination and Time Synchronization for Large-Scale LEO Constellations", Proc. IEEE Navigation Conference (NAVICON), Dec. 2026.
2. X. X. Zheng, X. Liu, J. A. Lopez-Salcedo, G. Seco-Granados, T. Y. Al-Naffouri, "Coordination of Ground-to-Space Reference Networks for High-Precision GNSS", Proc. ION GNSS+, Sep. 2026.
3. X. Liu, J. A. Lopez-Salcedo, G. Seco-Granados, T. Y. Al-Naffouri, "Pseudorandom Code-Aided Acquisition and Tracking of Globalstar Satellite Signals for Opportunistic Navigation", Proc. IEEE/ION Position Location and Navigation Symposium (PLANS), Apr. 2025, [link].