Patents by Inventor James Jim Womack

James Jim Womack 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: 8619795
    Abstract: Methods, devices and systems for a wireless communication system using multiple-serving nodes are provided. In one embodiment, a method of wireless communication comprises sending from a first node a downlink control signal to a wireless device using a first communication link; receiving by said first node an uplink control signal from said wireless device via a second node using a third communication link; and forwarding by said first node another downlink control signal from said second node to said wireless device using said third communication link and said first communication link.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: December 31, 2013
    Assignee: BlackBerry Limited
    Inventors: Yi Yu, Rose Qingyang Hu, Sam Zhijun Cai, James Jim Womack
  • Publication number: 20110249619
    Abstract: Methods, devices and systems for a wireless communication system using multiple-serving nodes are provided. In one embodiment, a method of wireless communication comprises sending from a wireless device an uplink control signal to a first node via a second node using a second communication link; receiving by said wireless device a downlink control signal from said first node using a first communication link; sending from said wireless device another uplink control signal to said second node using said second communication link; and receiving by said wireless device another downlink control signal from said second node via said first node using said first communication link.
    Type: Application
    Filed: April 13, 2010
    Publication date: October 13, 2011
    Inventors: Yi Yu, Rose Qingyang Hu, Sam Zhijun Cai, James Jim Womack
  • Publication number: 20110249620
    Abstract: Methods, devices and systems for a wireless communication system using multiple-serving nodes are provided. In one embodiment, a method of wireless communication comprises sending from a first node a downlink control signal to a wireless device using a first communication link; receiving by said first node an uplink control signal from said wireless device via a second node using a third communication link; and forwarding by said first node another downlink control signal from said second node to said wireless device using said third communication link and said first communication link.
    Type: Application
    Filed: April 13, 2010
    Publication date: October 13, 2011
    Inventors: Yi Yu, Rose Qingyang Hu, Sam Zhijun Cai, James Jim Womack