Patents by Inventor Shun Hua Zhou

Shun Hua Zhou 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).

  • Patent number: 6161008
    Abstract: A personal mobility system determines a terminal address corresponding to a called user based upon a personal identifier of the called user. The personal mobility system operates in conjunction with a plurality of heterogeneous networks to provide the terminal address corresponding to the called user, independent of the particular network within which the called user currently operates. The personal mobility system includes a personal mobility user application and a personal mobility server application. The personal mobility user application receives a request from a calling user, the request including the personal identifier of a called user. The personal mobility server application couples to the personal mobility user application and includes a plurality of user records. Each user record is respective to a user and is indexed by a respective personal identifier. Further, each user record includes a plurality of terminal records with each of the terminal records including a respective terminal address.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: December 12, 2000
    Assignee: Nortel Networks Limited
    Inventors: Hee C. Lee, Kalyan K. Basu, Shun Hua Zhou, Wei Yuan, Hua Jiang, Edith Yeh, Surnjani Djoko
  • Patent number: 5765103
    Abstract: While setting up a fixed wireless system, each subscriber radiotelephone is configured to a permanent home cell. Subscribers located at the border of a cell may be configured to multiple cells for better coverage. The signal levels at the border subscriber's position are received and the mean values of each determined. These mean values are listed in descending order. If the largest mean value is greater than a predetermined threshold, the subscriber is configured to only the home cell. If the largest mean value is within a predetermined range, the second largest mean value is evaluated to determine if it is within the predetermined range. If so, the subscriber is configured to both serving cells. If the second largest mean value is outside the predetermined range, the subscriber is configured to only the home cell.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: June 9, 1998
    Assignee: Northern Telecom Limited
    Inventors: Chu-Rui Chang, Shun Hua Zhou, F. Marco Marchetti, Christopher S. Reece, Payam Maveddat, Gokul V. Subramaniam, Ramanathan Balachander, Louis Perez, Balaji S. Holur, Robert L. Hicks, Jr.