Patents by Inventor Joe Willis

Joe Willis 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).

  • Methods and systems for testing cell phones with multiple antennas
    Patent number: 8787900
    Abstract: The present invention relates to testing cell phones that simulates network conditions. In particular, it relates to new testing capabilities for simulating changes in correlation characteristics of signal components delivered to a cell phone. Correlation characteristics express changing environmental conditions and physical relationships among antennas in the cell phone and at base stations.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: July 22, 2014
    Assignee: Spirent Communications, Inc.
    Inventors: Arashk Mahjoubi Amine, Randy Oltman, Madhusudhan Gurumurthy, Charles Zheng, Joe Willis
  • METHODS AND SYSTEMS FOR TESTING CELL PHONES WITH MULTIPLE ANTENNAS
    Publication number: 20110124295
    Abstract: The present invention relates to testing cell phones that simulates network conditions. In particular, it relates to new testing capabilities for simulating changes in correlation characteristics of signal components delivered to a cell phone. Correlation characteristics express changing environmental conditions and physical relationships among antennas in the cell phone and at base stations.
    Type: Application
    Filed: November 24, 2009
    Publication date: May 26, 2011
    Applicant: Spirent Communications, Inc.
    Inventors: Arashk Mahjoubi Amine, Randy Oltman, Charles Zheng, Joe Willis