Patents by Inventor Jaewan Byun

Jaewan Byun 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 system for recovering from hand-off fail for use in CDMA 2000 1xEV-DO system
    Patent number: 8081980
    Abstract: A multimedia mobile communication system for recovering a handoff failure comprises: a hybrid access terminal; a base station transceiver subsystem for transmitting and receiving the voice and the data; a base station a mobile switching center a 1×EV-DO transceiver; and an access network controller for controlling the handoff by transmitting a traffic channel assignment signal when there is no response from the hybrid access terminal upon receiving the route update signal from the hybrid access terminal and transmitting the traffic channel assignment signal in response to the route update signal and a packet data serving node.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: December 20, 2011
    Assignee: SK Telecom Co., Ltd.
    Inventors: Jaewan Byun, Jaemoon Lee, Jintae Choi, Namgyu Kim, Beyongsu Kim
  • Method and system for recovering from hand-off fail for use in cdma 2000 1xev-do system
    Publication number: 20060234707
    Abstract: A multimedia mobile communication system for recovering a handoff failure comprises: a hybrid access terminal; a base station transceiver subsystem for transmitting and receiving the voice and the data; a base station a mobile switching center a 1xEV-DO transceiver, and an access network controller for controlling the handoff by transmitting a traffic channel assignment signal when there is no response from the hybrid access terminal upon receiving the route update signal from the hybrid access terminal and transmitting the traffic channel assignment signal in response to the route update signal and a packet data serving node.
    Type: Application
    Filed: December 12, 2003
    Publication date: October 19, 2006
    Inventors: Jaewan Byun, Jaemoon Lee, Jintae Choi, Namgyu Kim, Beyongsu Kim