Patents by Inventor Young-Dae Lee

Young-Dae 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 TRANSITIONING BETWEEN MULTIPLE RECEPTION LEVELS
    Publication number: 20150373775
    Abstract: There is provided a method for enabling a user equipment (UE) to transition between a non-discontinuous reception (Non-DRX) level and at least one discontinuous reception (DRX) level. The UE in a DRX level wakes up periodically to monitor a scheduling channel. The method includes receiving a DRX indicator in a Non-DRX level with continuously monitoring the scheduling channel and transitioning from the Non-DRX level to a DRX level indicated by the DRX indicator. The UE can transition between multiple DRX levels by an explicit command/signaling.
    Type: Application
    Filed: September 1, 2015
    Publication date: December 24, 2015
    Inventors: Sung Duck CHUN, Young Dae LEE, Sung Jun PARK, Seung June YI
  • Method of supporting data retransmission in a mobile communication system
    Patent number: 9220093
    Abstract: A method of receiving packets at a network in a mobile communication system. Including receiving a first packet from a user equipment; and receiving a second packet from the user equipment regardless of a reception status for the first packet, if control information for the second packet is transmitted to the user equipment.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 22, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Jun Park, Young Dae Lee, Sung Duck Chun, Seung June Yi
  • METHOD FOR DETECTING SECURITY ERROR IN MOBILE TELECOMMUNICATIONS SYSTEM AND DEVICE OF MOBILE TELECOMMUNICATIONS
    Publication number: 20150365194
    Abstract: According to one embodiment, a method of performing a re-establishment procedure in a mobile communication system includes: receiving at least one packet data convergence protocol (PDCP) control plane data unit; performing an integrity check on the at least one PDCP control plane data unit; identifying an integrity check failure with regard to the at least one PDCP control plane data unit; and performing a re-establishment procedure if the integrity check failure is identified to exist with regard to the at least one PDCP control plane data unit.
    Type: Application
    Filed: August 24, 2015
    Publication date: December 17, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung June YI, Sung Jun PARK, Young Dae LEE, Sung Duck CHUN
  • METHOD FOR PERFORMING RANDOM ACCESS PROCEDURE IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150359010
    Abstract: There is provided with a method for enabling a user equipment to perform a random access procedure in a wireless communication system. The method includes transmitting a random access preamble and receiving a random access response as a response to the random access preamble. The random access response is addressed by a random access identifier. The random access identifier is mapped to radio resources used for transmitting the random access preamble. The user equipment can immediately confirm its random access response and perform further efficient random access procedure.
    Type: Application
    Filed: July 31, 2015
    Publication date: December 10, 2015
    Inventors: Sung Jun Park, Young Dae Lee, Seung June Yi, Sung Duck Chun
  • Apparatus and method for moving a receive window in a radio access network
    Patent number: 9210092
    Abstract: A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: December 8, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Young Dae Lee, Seung June Yi, So Young Lee
  • METHOD AND APPARATUS FOR RECEIVING A TIMING ADVANCE COMMAND IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150351127
    Abstract: The present invention provides a method of receiving a timing advance command by a user equipment in a wireless communication system. A terminal receives information on a time advance group from a base station, and also receives the timing advance command corresponding to the time advance group from the base station.
    Type: Application
    Filed: August 13, 2015
    Publication date: December 3, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sung Jun PARK, Sung Duck CHUN, Sung Hoon JUNG, Seung June Yi, Young Dae LEE
  • Apparatus and method for moving a receive window in a radio access network
    Patent number: 9191333
    Abstract: A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: November 17, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Young Dae Lee, Seung June Yi, So Young Lee
  • Method and device for performing a logged measurement in a wireless communication system
    Patent number: 9185580
    Abstract: A method for performing a logged measurement in wireless communication system is provided. The method includes receiving measurement configuration from a network, logging MDT (Minimization of Driving Tests) measurement, detecting whether a condition for state transition has occurred, performing state transition when the condition for state transition has occurred, and logging state transition information related to said state transition.
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: November 10, 2015
    Assignee: LG Electronics Inc.
    Inventors: Sung Hoon Jung, Seung June Yi, Young Dae Lee, Sung Duck Chun, Sung Jun Park
  • Method of processing control information in a mobile communication system
    Patent number: 9179460
    Abstract: A method of processing control information in a mobile communication system is disclosed, by which an RRC connection setup can be quickly completed and by which control information can be processed without an unnecessary standby of a mobile terminal. The present invention includes the steps of receiving a plurality of protocol data units transmitted plural time from a transmitting side via one common logical channel by an RLC (radio link control) entity operating in a UM (unacknowledged mode) and having a receiving window and a timer, re-ordering a plurality of the received protocol data units using sequence numbers of a plurality of the received protocol data units, the receiving window and the timer, reassembling at least one service data unit by processing a plurality of the re-ordered protocol data units, and delivering the at least one service data unit.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: November 3, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Young Dae Lee, Sung Duck Chun, Myung Cheul Jung, Sung Jun Park
  • Method of transferring data in a wireless communication system
    Patent number: 9173223
    Abstract: A method of transferring data in a wireless communication system is disclosed. A method of transferring data in a transmitting side of a wireless communication system includes checking whether at least one priority change condition is satisfied, changing a previously set priority of a plurality of upper layer channels if the at least one priority change condition is satisfied, and allocating radio resources of a lower layer channel to data of each of the plurality of upper layer channels in accordance with the changed priority.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: October 27, 2015
    Assignee: LG Electronics Inc.
    Inventors: Young Dae Lee, Sung Jun Park, Seung June Yi, Sung Duck Chun
  • Method for detecting security error in mobile telecommunications system and device of mobile telecommunications
    Patent number: 9167433
    Abstract: According to one embodiment, a method of performing a re-establishment procedure in a mobile communication system includes: receiving at least one packet data convergence protocol (PDCP) control plane data unit; performing an integrity check on the at least one PDCP control plane data unit; identifying an integrity check failure with regard to the at least one PDCP control plane data unit; and performing a re-establishment procedure if the integrity check failure is identified to exist with regard to the at least one PDCP control plane data unit.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: October 20, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung June Yi, Sung Jun Park, Young Dae Lee, Sung Duck Chun
  • Method of transmitting and receiving downlink data in wireless communication system
    Patent number: 9167565
    Abstract: A method of transmitting data through a downlink common transport channel in a wireless communication system is disclosed. The method comprises receiving measurement information transmitted from a user equipment at an upper network node, forwarding control information of the common transport channel, which is acquired from the measurement information, from the upper network node to a base station, and transmitting downlink data from the base station to the user equipment through the common transport channel in accordance with the control information.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: October 20, 2015
    Assignee: LG Electronics Inc.
    Inventors: Young Dae Lee, Sung Duck Chun, Sung Jun Park
  • METHOD OF SELECTIVELY APPLYING A PDCP FUNCTION IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150296414
    Abstract: Disclosed is a wireless communication system and terminal for providing a wireless communication service, and more particularly, a method of selectively applying a PDCP function based on data characteristic transmitted through a radio bearer in an Evolved Universal Mobile Telecommunications System (E-UMTS) evolved from a UMTS, Long Term Evolution (LTE) System or LTE-Advanced (LTE-A) system.
    Type: Application
    Filed: June 23, 2015
    Publication date: October 15, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung June YI, Sung Duck CHUN, Sung Hoon JUNG, Young Dae LEE, Sung Jun PARK
  • Communication method in a mobile communication system using MTC equipment, and device for same
    Patent number: 9161381
    Abstract: The present invention relates to a method for enabling the efficient communication of machine-type communication (MTC) equipment by selecting a connection with a base station during a first allowed time period in a mobile communication system using the MTC equipment, and to a device for same. With regard to an example of the present invention, a communication method for MTC equipment in a wireless mobile communication system may include: receiving a first message, including information regarding the first allowed time period, from a network through dedicated signaling; transmitting or receiving data to/from the network during the first allowed time period included in the first message; and receiving, from the network, a second message including information regarding a second allowed time period different from the first allowed time period.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jae Wook Lee, Sung Jun Park, Sung Hoon Jung, Young Dae Lee, Seung June Yi
  • Transmission power reporting method and apparatus
    Patent number: 9161317
    Abstract: Provided are a transmission power reporting method and apparatus. A terminal determines a configured maximum transmission power based on a maximum power reduction (MPR) and transmission power configured by a base station and determines whether reporting of the configured maximum transmission power is triggered. If reporting of the configured maximum transmission power is triggered, the terminal transmits a reporting message including the configured maximum transmission power to the base station.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Sung Jun Park, Seung June Yi, Sung Duck Chun, Young Dae Lee, Sung Hoon Jung
  • Method and apparatus for reporting a measurement result in a wireless communication system
    Patent number: 9161240
    Abstract: The present invention relates to a method and apparatus for reporting a measurement result in a wireless communication system. A terminal configures a plurality of serving cells, and performs measurement on the plurality' of serving cells. When a measurement report is triggered, the terminal determines whether or not a quality of at least one serving cell from among the plurality of serving cells is lower than an auxiliary' threshold value. The measurement report includes the quality of a best neighboring cell at a serving frequency of the serving cell the quality of which is lower than the auxiliary threshold value.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Sung Hoon Jung, Sung Duck Chun, Seung June Yi, Young Dae Lee, Sung Jun Park
  • Method for reporting the results of specific reference-cell-based quality measurement in a mobile communication system using carrier aggregation, and apparatus for the method
    Patent number: 9161271
    Abstract: The present invention relates to a method in which a terminal reports the results of quality measurement based on a specific reference cell from among a plurality of serving cells for the terminal in a mobile communication system using carrier aggregation. The present invention also relates to a terminal apparatus for the method. For this purpose, the terminal receives measurement configuration information from a network, performs a quality measurement in accordance with the received measurement configuration information, determines whether or not a report criterion based on a specific reference cell from among the plurality of cells for the terminal is met in accordance with the measurement result, and, if the report criterion based on the specific reference cell is met, sends a report message, including the measurement results and an indicator that indicates the specific reference cell, to the network.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: October 13, 2015
    Assignee: LG ELECTORNICS INC.
    Inventors: Sung Hoon Jung, Sung Duck Chun, Seung June Yi, Young Dae Lee, Sung Jun Park
  • Method for transitioning between multiple reception levels
    Patent number: 9161306
    Abstract: There is provided a method for enabling a user equipment (UE) to transition between a non-discontinuous reception (Non-DRX) level and at least one discontinuous reception (DRX) level. The UE in a DRX level wakes up periodically to monitor a scheduling channel. The method includes receiving a DRX indicator in a Non-DRX level with continuously monitoring the scheduling channel and transitioning from the Non-DRX level to a DRX level indicated by the DRX indicator. The UE can transition between multiple DRX levels by an explicit command/signaling.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Sung Duck Chun, Young Dae Lee, Sung Jun Park, Seung June Yi
  • Method and apparatus for RRC connection reestablishment in wireless communication system
    Patent number: 9155007
    Abstract: A method of reestablishing a RRC connection by the mobile terminal in a RRC_CONNECTED state is disclosed, where the method includes selecting a target cell based on cell quality values measured by using signals from a candidate cell set, determining a cell type of the target cell, and transmitting a RRC connection reestablishment request message to the target cell, when the target cell is a first type cell providing with both a emergency service and a normal service.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: October 6, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Hoon Jung, Sung Duck Chun, Seung June Yi, Young Dae Lee, Sung Jun Park
  • APPARATUS AND METHOD OF DISCARDING LOGGED MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150281995
    Abstract: A method of discarding logged measurements in a wireless communication system is provided. A user equipment in a Radio Resource Control (RRC) connected mode receives a Minimization of Drive Tests (MDT) configuration from a base station and starts a validity timer upon receiving the MDT configuration. The user equipment in an RRC idle mode logs measurements based on the MDT configuration to collect logged measurements while the validity timer is running. When the validity timer is expired, the user equipment discards the MDT configuration and starts a conservation timer. When the conservation timer is expired, the logged measurements are discarded.
    Type: Application
    Filed: May 27, 2015
    Publication date: October 1, 2015
    Inventors: Sung Hoon JUNG, Sung Duck CHUN, Seung June YI, Young Dae LEE, Sung Jun PARK