Patents by Inventor Chen Wei Ho

Chen Wei Ho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Frequency tracking method and apparatus applied to positioning system
    Patent number: 8396094
    Abstract: A frequency tracking method applied to a positioning system is provided. The method includes receiving a baseband signal, the baseband signal includes a line of sight (LOS) signal and a multipath signal; generating a cost function according to equal step frequencies, the baseband signal and a signal average energy; and generating an estimated LOS frequency according to the cost function.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: March 12, 2013
    Assignee: MStar Semiconductor, Inc.
    Inventors: Tzu-Yi Yang, Chen Wei Ho
  • Frequency Tracking Method and Apparatus Applied to Positioning System
    Publication number: 20110075705
    Abstract: A frequency tracking method applied to a positioning system is provided. The method includes receiving a baseband signal, the baseband signal includes a line of sight (LOS) signal and a multipath signal; generating a cost function according to equal step frequencies, the baseband signal and a signal average energy; and generating an estimated LOS frequency according to the cost function.
    Type: Application
    Filed: September 7, 2010
    Publication date: March 31, 2011
    Applicant: MSTAR SEMICONDUCTOR, INC.
    Inventors: Tzu-Yi Yang, Chen Wei Ho