Patents by Inventor Shankar Selvavinayagam

Shankar Selvavinayagam 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: 8559967
    Abstract: A system and method for enforcing network policies is disclosed. Data is captured from network interfaces. A cell congestion level is determined from the captured data. Cells having a congestion level above a first threshold are identified. A first alert is transmitted to a network policy management entity when the cell is above the first threshold. Cells having a congestion level above a second threshold are identified. A second alert is transmitted to the network policy management entity when the cell is above the second threshold. The first threshold set at a point below a maximum capacity of the cell, and the second threshold set at a point near or at the maximum capacity of the cell.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: October 15, 2013
    Assignee: Tektronix, Inc.
    Inventors: Robert W. Froehlich, Fang Tang, Shankar Selvavinayagam
  • Publication number: 20120052866
    Abstract: A system and method for enforcing network policies is disclosed. Data is captured from network interfaces. A cell congestion level is determined from the captured data. Cells having a congestion level above a first threshold are identified. A first alert is transmitted to a network policy management entity when the cell is above the first threshold. Cells having a congestion level above a second threshold are identified. A second alert is transmitted to the network policy management entity when the cell is above the second threshold. The first threshold set at a point below a maximum capacity of the cell, and the second threshold set at a point near or at the maximum capacity of the cell.
    Type: Application
    Filed: August 27, 2010
    Publication date: March 1, 2012
    Applicant: Tektronix, Inc.
    Inventors: Robert W. Froehlich, Fang Tang, Shankar Selvavinayagam
  • Patent number: 8068501
    Abstract: System and method for correlating multiple frames of data associated with a single call into a call record. One embodiment comprises correlating data in a radio access network by capturing data passing to and from a radio network controller, identifying ATM Adaptation Layer type 5 (AAL5) frames within the data, assigning a first call identifier to the AAL5 frames, identifying ATM Adaptation Layer type 2 (AAL2) frames within the data, assigning a second call identifier to the AAL2 frames, and combining AAL2 frames and AAL5 frames having a same first call identifier and a same second call identifier into a call record. The data passing to and from the first radio network controller may be data passing over an Iub interface between a Node B and the radio network controller or data passing over an Iur interface between two radio network controllers.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: November 29, 2011
    Assignee: Tektronix, Inc.
    Inventors: Vignesh Janakiraman, Balaji Ratakonda, Shankar Selvavinayagam, Bhuvani Hari
  • Publication number: 20080240060
    Abstract: System and method for correlating multiple frames of data associated with a single call into a call record. One embodiment comprises correlating data in a radio access network by capturing data passing to and from a radio network controller, identifying ATM Adaptation Layer type 5 (AAL5) frames within the data, assigning a first call identifier to the AAL5 frames, identifying ATM Adaptation Layer type 2 (AAL2) frames within the data, assigning a second call identifier to the AAL2 frames, and combining AAL2 frames and AAL5 frames having a same first call identifier and a same second call identifier into a call record. The data passing to and from the first radio network controller may be data passing over an Iub interface between a Node B and the radio network controller or data passing over an Iur interface between two radio network controllers.
    Type: Application
    Filed: March 5, 2008
    Publication date: October 2, 2008
    Applicant: TEKTRONIX, INC.
    Inventors: VIGNESH JANAKIRAMAN, BALAJI RATAKONDA, SHANKAR SELVAVINAYAGAM, BHUVANI HARI