Liu Xianglin

Title: Innovations of Liu Xianglin in GNSS Technology

Introduction

Liu Xianglin is a notable inventor based in Leidschendam, Netherlands. He has made significant contributions to the field of Global Navigation Satellite Systems (GNSS) through his innovative patents. With a total of two patents to his name, Liu has focused on enhancing the precision and reliability of GNSS positioning systems.

Latest Patents

Liu Xianglin's latest patents include the "Integer ambiguity-fixed precise point positioning method and system" and "Precise GNSS positioning system with improved ambiguity estimation." The first patent addresses a method for providing and applying Precise Point Positioning-Integer Ambiguity Resolution (PPP-IAR) corrections for GNSS. This method involves calculating PPP-IAR corrections based on observation data from multiple satellites and merging these corrections into a comprehensive set for transmission to mobile systems. The second patent focuses on improving ambiguity estimation during the convergence phase of GNSS positioning. It separates ionosphere-like biases from actual float ambiguities, leading to more reliable float ambiguities for further processing.

Career Highlights

Liu Xianglin is currently associated with Fugro N.V., a company known for its expertise in geotechnical and survey services. His work at Fugro has allowed him to apply his innovative ideas in real-world applications, contributing to advancements in GNSS technology.

Collaborations

Due to space constraints, the details regarding collaborations will not be included.

Conclusion

Liu Xianglin's contributions to GNSS technology through his patents demonstrate his commitment to innovation in the field. His work continues to influence the accuracy and reliability of positioning systems globally.