Patents by Inventor Roderick Djurkovic

Roderick Djurkovic 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).

  • Method and system for solving cellular communications frequency planning problem
    Patent number: 6522885
    Abstract: A method and system for use with wireless communications systems having a plurality of groups of channels, and wherein the method and system assign specific groups of channels such that channel interference is minimized. The method and system accomplish their objects via the use of communications equipment adapted to do the following: define a geographic area; map the defined geographic area with at least one high bandwidth cell cluster wherein each cell has at least one sector; and eliminate channel adjacencies by selectively assigning channels, drawn from the plurality of groups of channels, to the at least one high bandwidth cell cluster.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: February 18, 2003
    Assignee: Nortel Networks Limited
    Inventors: Yuqiang Tang, Roderick Djurkovic
  • Method and system for solving cellular communications frequency planning problem
    Patent number: 6178328
    Abstract: A method and system for use with wireless communications systems having a plurality of groups of channels, and wherein the method and system assign specific groups of channels such that channel interference is minimized. The method and system accomplish their objects via the use of communications equipment adapted to do the following: define a geographic area; map the defined geographic area with at least one high bandwidth cell cluster wherein each cell has at least one sector; and eliminate channel adjacencies by selectively assigning channels, drawn from the plurality of groups of channels, to the at least one high bandwidth cell cluster.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: January 23, 2001
    Assignee: Nortel Networks Corporation
    Inventors: Yuqiang Tang, Roderick Djurkovic