Company Filing History:

5 out of 244

Sirf Technology, Inc.

Csr Technology Holdings Inc.

patents

Years Active: 2007-2014

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8670882 - Systems and methods for monitoring navigation state errors (2014-03-11),

2. 8593342 - Utilizing SBAS signals to improve GNSS receiver performance (2013-11-26),

3. 8378887 - Systems and methods for synthesizing GPS measurements to improve GPS location availability (2013-02-19),

4. 8159393 - Systems and methods for synthesizing GPS measurements to improve GPS location availability (2012-04-17),

5. 7995683 - Noise floor independent delay-locked loop discriminator (2011-08-09),

6. 7881407 - Systems and methods for mitigating multipath signals (2011-02-01),

7. 7821454 - Systems and methods for detecting GPS measurement errors (2010-10-26),

8. 7702040 - Method and apparatus for frequency discriminator and data demodulation in frequency lock loop of digital code division multiple access (CDMA) receivers (2010-04-20),

9. 7355551 - Method for a space-efficient GPS receiver (2008-04-08),

10. 7286083 - Method and apparatus for improving fault detection and exclusion systems (2007-10-23),

Title: Gang Xie: Innovator in Navigation Technologies

Introduction

Gang Xie is a prominent inventor based in Fullerton, California, known for his significant contributions to navigation technologies. With a total of 10 patents to his name, he has developed innovative systems that enhance the performance of Global Navigation Satellite Systems (GNSS). His work has been instrumental in improving the accuracy and efficiency of navigation systems used in various applications.

Latest Patents

Among his latest patents, Gang Xie has developed systems and methods for monitoring navigation state errors. This invention includes a receiver that receives GPS signals and calculates pseudorange (PR) residuals. The navigation state error manager within the receiver is designed to calculate the distance traveled and determine if there are errors in the navigation state based on the calculated PR residuals. If errors are detected, the system sends an error message to alert users.

Another notable patent focuses on utilizing Satellite-Based Augmentation System (SBAS) signals to improve GNSS receiver performance. This invention outlines methods for acquiring satellite signals and reducing time to first fix (TTFF) by leveraging the strong and quickly accessible SBAS signals. The optimization of satellite search lists and synchronization of SBAS signals further enhances the efficiency of GNSS receivers.

Career Highlights

Gang Xie has worked with several notable companies in the technology sector, including SiRF Technology, Inc. and CSR Technology Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in navigation technologies.

Collaborations

Gang Xie has collaborated with talented professionals in the field, including Mangesh M Chansarkar and Xiang Yuan. These collaborations have fostered innovation and the development of cutting-edge technologies in navigation systems.

Conclusion

Gang Xie's contributions to navigation technologies through his patents and collaborations have significantly impacted the industry. His innovative systems continue to enhance the performance and reliability of GNSS, making navigation more accurate and efficient.

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