Patents by Inventor Marcio G. de Siqueira

Marcio G. de Siqueira 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 supporting user mobility in a communication system
    Patent number: 7907564
    Abstract: A method includes identifying a plurality of communication channels at a wireless device and classifying each of the communication channels into one of a plurality of groups. The method also includes scanning the communication channels in the groups. The communication channels in at least one of the groups are scanned at a different frequency than the communication channels in at least one other of the groups. In addition, the method includes updating one or more of the groups based on the scans.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: March 15, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Carlos V. Laux, Kamaldip Toor, Marcio G. de Siqueira, Sudhakar S. Valluru, Steven Hayashi
  • Method and apparatus for site administration at a wireless handset
    Patent number: 7783284
    Abstract: A method for site administration includes receiving a user's instruction to invoke a tool at a wireless handset. The method also includes invoking execution of the tool at the wireless handset. The tool is operable to identify at least one characteristic of at least one access point in a communication system and to display the at least one characteristic associated with the at least one access point to the user at the handset.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: August 24, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Carlos V. Laux, Kamaldip Toor, Marcio G. de Siqueira, Sudhakar S. Valluru, Steven Hayashi
  • Method and apparatus for adjusting operational parameter of a wireless device bases upon a monitored characteristic
    Patent number: 7421248
    Abstract: A method includes establishing a communication session at a wireless device and monitoring at least one characteristic associated with the communication session. The method also includes adjusting at least one operational parameter of the wireless device based on the at least one monitored characteristic.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: September 2, 2008
    Assignee: Cisco Technology, Inc.
    Inventors: Carlos V. Laux, Kamaldip Toor, Marcio G. de Siqueira, Sudhakar S. Valluru, Steven Hayashi
  • Method and apparatus for supporting user mobility in a communication system
    Publication number: 20040090929
    Abstract: A method includes identifying a plurality of communication channels at a wireless device and classifying each of the communication channels into one of a plurality of groups. The method also includes scanning the communication channels in the groups. The communication channels in at least one of the groups are scanned at a different frequency than the communication channels in at least one other of the groups. In addition, the method includes updating one or more of the groups based on the scans.
    Type: Application
    Filed: November 12, 2002
    Publication date: May 13, 2004
    Applicant: Cisco Technology, Inc.
    Inventors: Carlos V. Laux, Kamaldip Toor, Marcio G. de Siqueira, Sudhakar S. Valluru, Steven Hayashi