Patents by Inventor James C. Cho

James C. Cho 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: 9001796
    Abstract: A system and method are disclosed that reduce collisions on a wireless medium shared by devices associated with a wireless network, thereby improving throughput on the wireless medium. For some embodiments, a first device reserves access to the medium for a first interval, and then grants medium access to a second device for a remainder of the first interval. If the second device transmits data during the remainder of the first interval, medium access is maintained with the second device and then the second device is prevented from contending for medium access during a subsequent contention period. Otherwise, medium access is returned to the first device and the second device is allowed to contend for medium access during the contention period.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: April 7, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Guido Robert Frederiks, James C. Cho
  • Publication number: 20140126550
    Abstract: A system and method are disclosed that reduce collisions on a wireless medium shared by devices associated with a wireless network, thereby improving throughput on the wireless medium. For some embodiments, a first device reserves access to the medium for a first interval, and then grants medium access to a second device for a remainder of the first interval. If the second device transmits data during the remainder of the first interval, medium access is maintained with the second device and then the second device is prevented from contending for medium access during a subsequent contention period. Otherwise, medium access is returned to the first device and the second device is allowed to contend for medium access during the contention period.
    Type: Application
    Filed: December 17, 2012
    Publication date: May 8, 2014
    Applicant: QUALCOMM Incorporated
    Inventors: Guido Robert Frederiks, James C. Cho