On May 22, 2024, Sisi Cheng, Wenyi Li, Jihang Lin and Jing Zeng, the masters of the class of 2021, successfully defended their master's theses.
    Under the meticulous guidance of Professor Geng Jianghui, these diligent students completed their respective master's theses: "Single-Frequency Multi-GNSS PPP-RTK for Smartphone Rapid Centimeter-Level Positioning" by Sisi Cheng, Research on Global Ionospheric Modeling and Multi-GNSS Multi-frequency Code Biases Processing" by Wenyi Li, and "On the Day-Boundary Continuity of All-Frequency BDS/GNSS Phase Clock/Bias Products" by Jihang Lin, and "Improved Cycle Slip Detection Method for Precise Kinematic Orbit Determination of LEO Satellites" by Jing Zeng. After Prof. Guo Jing, the chairman of the defense committee, read out the results of their defense, the four students commemorated the occasion with a group photo alongside Prof. Geng and other esteemed experts. Their heartfelt gratitude extended to Prof. Geng for his invaluable mentorship, as well as to their fellow group members for their selfless support.
    The PRIDE group wholeheartedly congratulates these exceptional scholars and wishes them continued success and a bright future!