Patents by Inventor Alvaro Retano

Alvaro Retano 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).

  • Network topologies for energy efficient networks
    Patent number: 8699382
    Abstract: One embodiment identifies all one-hop neighbor nodes and two-hop neighbor nodes of a node; determines an active set of one-hop neighbor nodes for the node, comprising: includes in the active set each one-hop neighbor node that is either an edge node or connected with at least one two-hop neighbor node with which no other one-hop neighbor nodes are connected; and if the active set is not yet complete, then: determine all combinations of one-hop neighbor nodes that are not already in the active set; and tests each combination in order of each combination's total-energy value to determine whether a specific combination is able to complete the active set; if no combination is able to complete the active set, then including all one-hop neighbor nodes in the active set; and communicates a message to each one-hop neighbor node in the active set indicating that it is in the active set.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: April 15, 2014
    Assignee: Cisco Technology, Inc.
    Inventors: Alvaro Retano, Michael Barnes, Russell I. White, Alan Patrick Sheridan, Stanley M. Ratliff