Patents by Inventor Ki-Sub CHOE

Ki-Sub CHOE 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).

  • Providing service continuity between heterogeneous wireless networks
    Patent number: 9173135
    Abstract: The disclosure is related to providing service continuity between heterogeneous networks in user equipment. A first cell change procedure may be performed from a packet switched network to a circuit switched network in a first idle mode. Availability of a packet switched domain of the circuit switched network may be determined. A location area update (LAU) may be initiated when a packet switched domain of the circuit switched network is barred.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: October 27, 2015
    Assignee: KT CORPORATION
    Inventors: Yong-Mun Seon, Ki-Sub Choe
  • PROVIDING SERVICE CONTINUITY BETWEEN HETEROGENEOUS WIRELESS NETWORKS
    Publication number: 20140036866
    Abstract: The disclosure is related to providing service continuity between heterogeneous networks in user equipment. A first cell change procedure may be performed from a packet switched network to a circuit switched network in a first idle mode. Availability of a packet switched domain of the circuit switched network may be determined. A location area update (LAU) may be initiated when a packet switched domain of the circuit switched network is barred.
    Type: Application
    Filed: March 8, 2013
    Publication date: February 6, 2014
    Applicant: KT CORPORATION
    Inventors: Yong-Mun SEON, Ki-Sub CHOE