Patents by Inventor Tae-Won Ban

Tae-Won Ban 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: 9648660
    Abstract: The disclosure is related tracking area management in a femtocell network. A mobility management entity may receive, from a femtocell base station, macrocell tracking area information associated with the femtocell base station. The mobility management entity may combine the received macrocell tracking area information with femtocell tracking area information associated with the femtocell base station and storing the combined tracking area information as integrated tracking area information.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: May 9, 2017
    Assignee: KT CORPORATION
    Inventors: Tae-Won Ban, Young-Han Kim, Chang-Yong Ahn, Hyun-Beom Lee, Byoung-Jin Choi
  • Patent number: 9241290
    Abstract: Provided are apparatus and method for controlling handover to prevent femtocell interference. The apparatus may include an event receiving module, a handover determining module, and an inter-frequency processing module. The event receiving module may be configured to receive a control message from user equipment. The handover determining module may be configured to analyze the received control message and determine whether the control message includes a request of inter-cell handover from a first cell base station of the first cell to a second cell base station of one of the second cells. The inter-frequency processing module may be configured to perform inter-frequency handover using an unshared frequency when the handover determining module determines that the control message includes the request of inter-cell handover.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: January 19, 2016
    Assignee: KT CORPORATION
    Inventors: Byoung-Jin Choi, Tae-Won Ban, Chang-Yong Ahn, Sung-Sang You, Kyeong-Soo Lee, Hee-Jun Lee
  • Patent number: 9055498
    Abstract: Described embodiments provide for handover in a long term evolution (LTE) communication network. A LTE macrocell base station may receive a measurement report from user equipment while providing a communication service to the user equipment located within a service area of the LTE macrocell base station, and determine whether or not the neighbor cell is a LTE macrocell or a LTE femtocell based on the measurement report. The LTE macrocell base station may initiate hand-over of the user equipment to a neighbor WCDMA macrocell base station when the neighbor cell is determined as the LTE femtocell.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: June 9, 2015
    Assignee: KT CORPORATION
    Inventors: Tae-Won Ban, Chang-Yong Ahn, Sung-Sang You, Hyun-Beom Lee, Hee-Jun Lee, Byoung-Jin Choi
  • Publication number: 20140323134
    Abstract: Provided are apparatus and method for controlling handover to prevent femtocell interference. The apparatus may include an event receiving module, a handover determining module, and an inter-frequency processing module. The event receiving module may be configured to receive a control message from user equipment. The handover determining module may be configured to analyze the received control message and determine whether the control message includes a request of inter-cell handover from a first cell base station of the first cell to a second cell base station of one of the second cells. The inter-frequency processing module may be configured to perform inter-frequency handover using an unshared frequency when the handover determining module determines that the control message includes the request of inter-cell handover.
    Type: Application
    Filed: July 11, 2014
    Publication date: October 30, 2014
    Inventors: Byoung-Jin CHOI, Tae-Won BAN, Chang-Yong AHN, Sung-Sang YOU, Kyeong-Soo LEE, Hee-Jun LEE
  • Patent number: 8787260
    Abstract: Provided are apparatus and method for setting a cyclic prefix length according to a type of a base station. The apparatus may include a memory, a receiver, a selector, and an inserter. The receiver may be configured to store and to manage a plurality of prefix lengths associated with base station types. The receiver may be configured to receive base station information from a base station. The selector may be configured to select a prefix length from the plurality of prefix length based on the received base station information. The inserter may be configured to insert a cyclic prefix having the determined prefix length in a guard interval of a transmission frame.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: July 22, 2014
    Assignee: KT Corporation
    Inventors: Tae-Won Ban, Chang-Yong Ahn, Sung-Sang You, Hyun-Beom Lee, Hee-Jun Lee, Byoung-Jin Choi
  • Publication number: 20130337797
    Abstract: The disclosure is related tracking area management in a femtocell network. A mobility management entity may receive, from a femtocell base station, macrocell tracking area information associated with the femtocell base station. The mobility management entity may combine the received macrocell tracking area information with femtocell tracking area information associated with the femtocell base station and storing the combined tracking area information as integrated tracking area information.
    Type: Application
    Filed: June 17, 2013
    Publication date: December 19, 2013
    Inventors: Tae-Won BAN, Young-Han Kim, Chang-Yong Ahn, Hyun-Beom Lee, Byoung-Jin Choi
  • Publication number: 20130034081
    Abstract: Described embodiments provide for handover in a long term evolution (LTE) communication network. A LTE macrocell base station may receive a measurement report from user equipment while providing a communication service to the user equipment located within a service area of the LTE macrocell base station, and determine whether or not the neighbor cell is a LTE macrocell or a LTE femtocell based on the measurement report. The LTE macrocell base station may initiate hand-over of the user equipment to a neighbor WCDMA macrocell base station when the neighbor cell is determined as the LTE femtocell.
    Type: Application
    Filed: July 19, 2012
    Publication date: February 7, 2013
    Inventors: Tae-Won BAN, Chang-Yong AHN, Sung-Sang You, Hyun-Beom Lee, Hee-Jun Lee, Byoung-Jin Choi
  • Publication number: 20120263108
    Abstract: Provided are apparatus and method for setting a cyclic prefix length according to a type of a base station. The apparatus may include a memory, a receiver, a selector, and an inserter. The receiver may be configured to store and to manage a plurality of prefix lengths associated with base station types. The receiver may be configured to receive base station information from a base station. The selector may be configured to select a prefix length from the plurality of prefix length based on the received base station information. The inserter may be configured to insert a cyclic prefix having the determined prefix length in a guard interval of a transmission frame.
    Type: Application
    Filed: April 16, 2012
    Publication date: October 18, 2012
    Inventors: Tae-Won BAN, Chang-Yong AHN, Sung-Sang YOU, Hyun-Beom LEE, Hee-Jun LEE, Byoung-Jin CHOI
  • Publication number: 20120214495
    Abstract: Provided are apparatus and method for controlling handover to prevent femtocell interference. The apparatus may include an event receiving module, a handover determining module, and an inter-frequency processing module. The event receiving module may be configured to receive a control message from user equipment. The handover determining module may be configured to analyze the received control message and determine whether the control message includes a request of inter-cell handover from a first cell base station of the first cell to a second cell base station of one of the second cells. The inter-frequency processing module may be configured to perform inter-frequency handover using an unshared frequency when the handover determining module determines that the control message includes the request of inter-cell handover.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 23, 2012
    Inventors: Byoung-Jin Choi, Tae-Won Ban, Chang-Yong Ahn, Sung-Sang You, Kyeong-Soo Lee, Hee-Jun Lee