Patents by Inventor Subbarao Nalajala

Subbarao Nalajala 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 apparatus for maintaining behavior of a network terminal
    Patent number: 7391972
    Abstract: A method of controlling behavior of an element in a passive optical network (PON) is provided. The method includes (i) issuing a message from a first PON element to a second PON element to cause the second PON element to enter or maintain a state of upstream communications, the state of upstream communications having an enabled state or a disabled state, (ii) ranging the second PON element by the first PON element if the state of upstream communications of the second PON element is in the enabled state, and (iii) bypassing the ranging of the second PON element if the state of upstream communications of the second PON element is in the disabled state.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: June 24, 2008
    Assignee: Tellabs Operations, Inc.
    Inventors: Marc R. Bernard, Alexander S. Millard, Subbarao Nalajala
  • Method and apparatus for maintaining behavior of a network terminal
    Publication number: 20070098406
    Abstract: A method of controlling behavior of an element in a passive optical network (PON) is provided. The method includes (i) issuing a message from a first PON element to a second PON element to cause the second PON element to enter or maintain a state of upstream communications, the state of upstream communications having an enabled state or a disabled state, (ii) ranging the second PON element by the first PON element if the state of upstream communications of the second PON element is in the enabled state, and (iii) bypassing the ranging of the second PON element if the state of upstream communications of the second PON element is in the disabled state.
    Type: Application
    Filed: November 1, 2005
    Publication date: May 3, 2007
    Inventors: Marc Bernard, Alexander Millard, Subbarao Nalajala