Patents by Inventor Shaohan J Chou

Shaohan J Chou 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).

  • Compensating for random robbed bit signaling
    Patent number: 7180916
    Abstract: A method for training a receiving modem connected through a telephone network to correct for differences between a transmitted and a received symbol occasioned by network impairments including robbed bit signaling which preempts a least significant bit of a customer's data depending on the frame assigned by the network for such connection.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: February 20, 2007
    Assignee: Agere Systems Inc.
    Inventors: Shaohan J. Chou, Jinguo Yu, Zhenyu Wang
  • Phase offset detection
    Patent number: 6980618
    Abstract: A system that detects and corrects for phase offset between a subscriber and a service provider. The phase offset detection and correction system provides for improved performance of Pulse Code Modulation encoding in the upstream direction.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: December 27, 2005
    Assignee: Agere Systems Inc.
    Inventors: Shaohan J Chou, Jianqiang Xin, Jinguo Yu
  • Compensating for random robbed bit signaling
    Publication number: 20020186722
    Abstract: A method for training a receiving modem connected through a telephone network to correct for differences between a transmitted and a received symbol occasioned by network impairments including robbed bit signaling which preempts a least significant bit of a customer's data depending on the frame assigned by the network for such connection.
    Type: Application
    Filed: April 27, 2001
    Publication date: December 12, 2002
    Inventors: Shaohan J. Chou, Jinguo Yu, Zhenyu Wang