Patents by Inventor Dohak Lee

Dohak Lee 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 for supporting high speed ranging during handover
    Patent number: 8638756
    Abstract: Disclosed is a portable internet system, and more particularly, to a method of supporting fast ranging upon handover. The method comprises calculating an action time based on a time when a handover confirmation message is received from a serving Radio Access Station (RAS), in a target RAS; and transmitting a fast ranging information message to a mobile station on the basis of the action time.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: January 28, 2014
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Jin-soo Park, Shinha Kang, Dohak Lee, Bongman Kim
  • METHOD FOR SUPPORTING HIGH SPEED RANGING DURING HANDOVER
    Publication number: 20120020327
    Abstract: Disclosed is a portable internet system, and more particularly, to a method of supporting fast ranging upon handover. The method comprises calculating an action time based on a time when a handover confirmation message is received from a serving Radio Access Station (RAS), in a target RAS; and transmitting a fast ranging information message to a mobile station on the basis of the action time.
    Type: Application
    Filed: December 23, 2009
    Publication date: January 26, 2012
    Applicant: SEAH NETWORKS CO., LTD.
    Inventors: Jin-soo Park, Shinha Kang, Dohak Lee, Bongman Kim