Patents by Inventor Chamil Jayasundara

Chamil Jayasundara 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: 9197712
    Abstract: A method includes receiving, at a first level distribution node of a plurality of first level distribution nodes of a hierarchical media distribution system (HMDS), a request for a content item (associated with segments corresponding to a time order) from a first endpoint device. The method includes, in response to receiving the request, sending, from the first level distribution node, a first data stream corresponding to a first segment of the content item to the first endpoint device and sending first information (indicating the request and a first end time of the first data stream) to a second level distribution node of a plurality of second level distribution nodes of the HMDS. The method includes receiving, from the second level distribution node, a second data stream corresponding to a second segment before the first end time has been reached and sending the second data stream to the first endpoint device.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: November 24, 2015
    Assignees: AT&T INTELLECTUAL PROPERTY I, L.P., THE UNIVERSITY OF MELBOURNE
    Inventors: Vijay Gopalakrishnan, Chamil Jayasundara
  • Publication number: 20140157337
    Abstract: A method includes receiving, at a first level distribution node of a plurality of first level distribution nodes of a hierarchical media distribution system (HMDS), a request for a content item (associated with segments corresponding to a time order) from a first endpoint device. The method includes, in response to receiving the request, sending, from the first level distribution node, a first data stream corresponding to a first segment of the content item to the first endpoint device and sending first information (indicating the request and a first end time of the first data stream) to a second level distribution node of a plurality of second level distribution nodes of the HMDS. The method includes receiving, from the second level distribution node, a second data stream corresponding to a second segment before the first end time has been reached and sending the second data stream to the first endpoint device.
    Type: Application
    Filed: November 30, 2012
    Publication date: June 5, 2014
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Vijay Gopalakrishnan, Chamil Jayasundara