Patents by Inventor Pi-Hau Liu

Pi-Hau Liu 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).

  • Apparatus of maximum likelihood signal detection
    Publication number: 20070165750
    Abstract: An apparatus for maximum likelihood signal detection comprises a reference data unit, a branch metric unit, an add-compare-select unit, a path metric unit and a path memory, and is used for detecting maximum likelihood signal. The reference information unit, the branch metric unit, the add-compare-select unit or the path metric unit can further comprise a multiplexer to removing unnecessary paths according to a control signal. The control signal is adjusted according to channel response, coding constraint or channel memory length.
    Type: Application
    Filed: January 12, 2007
    Publication date: July 19, 2007
    Inventors: Pi-Hau Liu, Meng-Ta Yang