Changdon Kee

Title: Changdon Kee: Innovator in GPS Technology

Introduction

Changdon Kee is a prominent inventor based in Mountain View, CA. He has made significant contributions to the field of global positioning systems (GPS). His innovative work focuses on enhancing the accuracy of GPS measurements, which is crucial for various applications.

Latest Patents

Changdon Kee holds a patent for "Multipath calibration in GPS pseudorange measurements." This patent introduces novel techniques for eliminating multipath errors, including mean bias errors, in pseudorange measurements made by conventional GPS receivers. By correlating the multipath signals of different satellites at their cross-over points in the sky, he effectively eliminates these errors. The calibration model he developed can be used to compensate for multipath in subsequent measurements, achieving GPS positioning with centimeter accuracy. He has 1 patent to his name.

Career Highlights

Changdon Kee is affiliated with Leland Stanford Junior University, where he continues to advance research in GPS technology. His work has been instrumental in improving the reliability and precision of GPS systems, which are widely used in navigation and location-based services.

Collaborations

One of his notable collaborators is Bradford W. Parkinson, who is also recognized for his contributions to GPS technology.

Conclusion

Changdon Kee's innovative work in GPS technology exemplifies the impact of inventions on modern navigation systems. His contributions continue to enhance the accuracy and reliability of GPS measurements, benefiting various industries and applications.