Alan Chang

Title: Alan Chang - Innovator in Satellite Positioning Systems

Introduction

Alan Chang is a notable inventor based in Phoenix, AZ (US). He has made significant contributions to the field of satellite positioning systems. His innovative work has led to the development of a unique method for mobile satellite positioning.

Latest Patents

Alan Chang holds a patent for "Navigation satellite acquisition in satellite positioning system receiver." This patent describes a method in a mobile satellite positioning system receiver operating in cold-start mode. The method includes searching for and detecting a first satellite in a constellation of orbiting satellites. It also involves searching for a second satellite based on detection probability information for non-detected satellites. The detection probability information is obtained using data about one of the satellites not detected or the first satellite detected. In one embodiment, the detection probability information is based on a measure of range between the non-detected satellites and the first satellite detected. In another embodiment, it is based on a measure of angle between the non-detected satellites and the first satellite detected. Alan Chang has 1 patent to his name.

Career Highlights

Alan Chang is currently employed at Motorola Corporation, where he continues to innovate in the field of satellite technology. His work has been instrumental in advancing mobile satellite positioning systems.

Collaborations

Some of his coworkers include Thomas Michael King and Troy L Strother, who have collaborated with him on various projects.

Conclusion

Alan Chang's contributions to satellite positioning systems highlight his innovative spirit and dedication to advancing technology. His patent reflects a significant step forward in mobile satellite positioning, showcasing his expertise in the field.