Patents by Inventor Kenneth Chai-en Wu

Kenneth Chai-en Wu 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).

  • Receiver second order intermodulation correction system and method
    Patent number: 8285239
    Abstract: A system for correcting a second order intermodulation product in a direct conversion receiver is provided. The system includes a cross-covariance system receiving a data signal and a second order intermodulation estimate signal and generating a cross-covariance value. An auto-covariance system receives the second order intermodulation estimate signal and generates an auto covariance value. A buffer system stores a second order intermodulation product correction factor. A divider receives the cross-covariance value, the auto-covariance value and the second order intermodulation product correction factor and generates a running average second order intermodulation product correction factor.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: October 9, 2012
    Assignee: Axiom Microdevices, Inc.
    Inventors: Alyosha Molnar, Morten Damgaard, Geoff Hatcher, Kenneth Chai-en Wu
  • RECEIVER SECOND ORDER INTERMODULATION CORRECTION SYSTEM AND METHOD
    Publication number: 20120027137
    Abstract: A system for correcting a second order intermodulation product in a direct conversion receiver is provided. The system includes a cross-covariance system receiving a data signal and a second order intermodulation estimate signal and generating a cross-covariance value. An auto-covariance system receives the second order intermodulation estimate signal and generates an auto covariance value. A buffer system stores a second order intermodulation product correction factor. A divider receives the cross-covariance value, the auto-covariance value and the second order intermodulation product correction factor and generates a running average second order intermodulation product correction factor.
    Type: Application
    Filed: October 4, 2011
    Publication date: February 2, 2012
    Inventors: Alyosha Molnar, Morten Damgaard, Geoff Hatcher, Kenneth Chai-en Wu
  • Receiver second order intermodulation correction system and method
    Patent number: 8032102
    Abstract: A system for correcting a second order intermodulation product in a direct conversion receiver is provided. The system includes a cross-covariance system receiving a data signal and a second order intermodulation estimate signal and generating a cross-covariance value. An auto-covariance system receives the second order intermodulation estimate signal and generates an auto covariance value. A buffer system stores a second order intermodulation product correction factor. A divider receives the cross-covariance value, the auto-covariance value and the second order intermodulation product correction factor and generates a running average second order intermodulation product correction factor.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: October 4, 2011
    Assignee: Axiom Microdevices, Inc.
    Inventors: Alyosha Molnar, Morten Damgaard, Geoff Hatcher, Kenneth Chai-en Wu
  • Receiver second order intermodulation correction system and method
    Publication number: 20090181633
    Abstract: A system for correcting a second order intermodulation product in a direct conversion receiver is provided. The system includes a cross-covariance system receiving a data signal and a second order intermodulation estimate signal and generating a cross-covariance value. An auto-covariance system receives the second order intermodulation estimate signal and generates an auto covariance value. A buffer system stores a second order intermodulation product correction factor. A divider receives the cross-covariance value, the auto-covariance value and the second order intermodulation product correction factor and generates a running average second order intermodulation product correction factor.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Inventors: Alyosha Molnar, Morten Damgaard, Geoff Hatcher, Kenneth Chai-en Wu