Company Filing History:
Years Active: 2009-2012
Title: Innovations of Yue-Meng Chen in Satellite Navigation Technology.
Introduction
Yue-Meng Chen is a notable inventor based in Shanghai, China. He has made significant contributions to the field of satellite navigation technology. With a total of 3 patents to his name, his work focuses on enhancing the performance of satellite receivers under challenging conditions.
Latest Patents
One of Yue-Meng Chen's latest patents is titled "Ephemeris download from weak signals." This invention provides systems and methods for downloading navigation data to a satellite receiver under weak signal conditions. In this embodiment, the receiver employs a tracking algorithm to estimate the Doppler frequency and its rate of change. This helps to compensate for the phases of the I/Q samples from the received signal, thereby reducing the effects of the Doppler frequency. Additionally, the invention includes differential detection-based data bit decoding and phase compensation-based data bit decoding, where the phase of samples is rotated to correct for phase errors. Furthermore, a multiple frame strategy is introduced to enhance the signal-to-noise ratio (SNR) and improve sensitivity. This strategy involves coherently summing similar placed samples in consecutive frames and weighting the samples to minimize the impact of noise.
Career Highlights
Yue-Meng Chen is currently associated with Sirf Technology Holdings, Inc., where he continues to innovate in the field of satellite navigation. His work has been instrumental in advancing technologies that improve the reliability and accuracy of satellite communications.
Collaborations
Yue-Meng Chen has collaborated with notable colleagues, including Chi-Shin Wang and Zhike Jia. These collaborations have further enriched his research and development efforts in satellite technology.
Conclusion
Yue-Meng Chen's contributions to satellite navigation technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges faced in weak signal environments and offer practical solutions to enhance satellite receiver performance.