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 of transmitting and receiving control information in a wireless communication system
    Patent number: 9264160
    Abstract: A method of transmitting and receiving control information in a wireless communication system is disclosed. The method of receiving control information related to a specific point-to-multipoint service in a user equipment of a wireless communication system comprises receiving a notification message including indication information and an identifier identifying the point-to-multipoint service from a network, the indication information indicating at least one downlink channel related to the specific point-to-multipoint service among a plurality of downlink channels established for transmission of control information for at least one or more point-to-multipoint service, and receiving at least one downlink channel indicated by the indication information.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: February 16, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung June Yi, Young Dae Lee, Sung Duck Chun, Sung Jun Park
  • Apparatus and method of reporting logged measurements in a wireless communication system
    Patent number: 9264929
    Abstract: The present invention provides an apparatus and method of reporting logged measurements in a wireless communication system. User equipment receives an MDT (Minimization of Drive Tests) configuration from a base station, and logs a measurement on the basis of the MDT configuration in order to collect logged measurements. The user equipment determines whether the logged measurement needs to be reported. If it is determined that the logged measurement needs to be reported, the user equipment transmits to the base station a report indicator indicating the need for reporting of the logged measurement.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: February 16, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Hoon Jung, Seung June Yi, Young Dae Lee, Sung Duck Chun, Sung Jun Park
  • Method and apparatus for managing uplink time alignment
    Patent number: 9265018
    Abstract: A method and apparatus of managing uplink time alignment in a wireless communication system is provided. A user equipment transmits a random access preamble to maintain an uplink time alignment to a base station and receives a random access response in response to the random access preamble from the base station.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: February 16, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung June Yi, Sung Duck Chun, Sung Hoon Jung, Young Dae Lee, Sung Jun Park
  • Mobile communication system and method for processing handover procedure thereof
    Patent number: 9264953
    Abstract: A method for processing a handover procedure by a user equipment (UE) in a mobile communication system. The method includes receiving, by the UE, a radio resource reconfiguration message from a base station; recognizing, by the UE, a handover type based on a handover type indicator included in the received radio resource reconfiguration message; and performing, by the UE, a first or second handover procedure according to the recognized handover type. The first or second handover procedure is performed if the radio resource reconfiguration message includes mobility related information. The mobility related information includes a target physical cell identity and a new cell-radio network temporary identifier (C-RNTI).
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: February 16, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Duck Chun, Seung June Yi, Sung Jun Park, Young Dae Lee
  • Method for detecting failures of random access procedures
    Patent number: 9265070
    Abstract: A method of performing a random access channel (RACH) procedure between a mobile terminal and a network includes the steps of detecting whether a random access response (RAR) is received from the network within a certain time period, the RAR including information about a random access channel (RACH) preamble transmitted to the network; and if the RAR is not received within the certain time period or if the information about the transmitted RACH preamble included in the RAR does not match the transmitted RACH preamble, performing a first procedure to detect failures in the RACH procedure; and if the RAR is received within the certain time period and if the information about the transmitted RACH preamble included in the RAR matches the transmitted RACH preamble, performing a second procedure to detect failures in the RACH procedure.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: February 16, 2016
    Assignee: LG Electronics Inc.
    Inventors: Seung-June Yi, Sung-Jun Park, Young-Dae Lee, Sung-Duck Chun
  • METHOD FOR CONTROLLING RADIO RESOURCE ALLOCATION IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20160044709
    Abstract: In a wireless mobile communications system, a method for controlling a radio resource allocation is provided. A network transmits access control information to a terminal such that a request for the radio resource allocation which will be transmitted from the terminal can be controlled. The terminal selectively transmits the request for the radio resource allocation based on the received information, thus a transmission of an unnecessary request for the radio resource can be minimized, thereby preventing a waste of the radio resource.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 11, 2016
    Inventors: Sung-Duck CHUN, Young-Dae LEE, Sung-Jun PARK, Seung-June YI
  • Method for reporting system information in wireless communication system and apparatus for supporting same
    Patent number: 9258746
    Abstract: A method for a terminal reporting system information in a wireless communication system is disclosed. The method comprises: receiving a system information report request of a neighboring cell from a serving cell; and transmitting a system information report to the serving cell as a response to the system information report request. If the terminal has system information that is obtained in advance of the neighboring cell that is obtained before receiving the system information report request, the system information report comprises the system information that is obtained in advance and validity information on the system information that is obtained in advance.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 9, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Hoon Jung, Young Dae Lee, Sung Duck Chun, Sung Jun Park, Seung June Yi
  • Maintaining communication between mobile terminal and network in mobile communication system
    Patent number: 9253801
    Abstract: According to one embodiment, a method for maintaining a communication between a mobile terminal and a network in a mobile communication system includes: determining whether a state of the mobile terminal is in an unsynchronized state while maintaining a radio resource control (RRC) connected state with the network; performing a random access channel (RACH) procedure for a synchronized state if it is determined that the state of the mobile terminal is in the unsynchronized state while maintaining the RRC connected state with the network; and after performing the RACH procedure, transitioning from the synchronized state to the unsynchronized state with the network while maintaining the RRC connected state with the network when a timer expires.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 2, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung-Duck Chun, Young-Dae Lee, Myung-Cheul Jung, Sung-Jun Park
  • Apparatus and method of reporting measurement result in wireless communication system
    Patent number: 9253676
    Abstract: A method and apparatus of reporting a measurement result in a wireless communication system are provided. A user equipment receives a measurement configuration for a serving cell and performs a measurement in accordance with the measurement configuration to acquire an actual measurement result. The user equipment determines whether the serving cell is deactivated and transmits a measurement result including a pre-defined value if the serving cell is deactivated.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: February 2, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Jun Park, Sung Duck Chun, Sung Hoon Jung, Seung June Yi, Young Dae Lee
  • Method for logging and reporting heterogeneous network information in wireless communication system and device for supporting same
    Patent number: 9253671
    Abstract: A method for reporting, performed UE, in a wireless communication system is provided. The method includes receiving a logged measurement configuration comprising logging object heterogeneous network information, attempting to detect a radio signal transmitted by a heterogeneous network, checking a heterogeneous network type of the heterogeneous network when the radio signal is detected, determining whether or not the heterogeneous network is a logging object based on the logging object heterogeneous network information and the determined heterogeneous network type, logging information about the heterogeneous network and common logging information if the heterogeneous network is the logging object, and reporting the logged information.
    Type: Grant
    Filed: August 26, 2012
    Date of Patent: February 2, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Hoon Jung, Seoung June Yi, Young Dae Lee, Sung Jun Park, Jae Wook Lee
  • Method for logging measurement result in wireless communication system and apparatus for the same
    Patent number: 9253679
    Abstract: A method for logging measurement results in a wireless communication system is provided. The method includes: receiving a logged measurement configuration from a network, the logged measurement configuration comprising information for performing logged Minimization Driving Test (MDT); measuring at least one cell based on the logged measurement configuration; determining whether the measurement result has importance for logging; if a storage space for logging is enough for additionally logging, setting an importance tag of the measurement result to a predetermined value in accordance with the determination; and logging the measurement result and the importance tag in the storage space.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: February 2, 2016
    Assignee: LG Electronics Inc.
    Inventors: Kyung Jun Lee, Sung Duck Chun, Sung Jun Park, Jae Wook Lee, Sung Hoon Jung, Young Dae Lee, Seung June Yi
  • Method of managing user equipment capabilities
    Patent number: 9247420
    Abstract: The present invention is directed to a wireless communication system. Particularly, the present invention is directed to a method of managing a user equipment (UE) capability at a Mobility Management Entity (MME) via a base station of a network in a wireless communication system, the method comprising selectively forwarding an indication of a UE capability stored in the MME to the base station or sending a request from the MME to the base station to obtain a current UE capability from the UE in accordance with whether or not a certain condition is satisfied.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 26, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Hoon Jung, Young Dae Lee, Sung Duck Chun, Sung Jun Park, Seung June Yi
  • METHOD OF PROCESSING CONTROL INFORMATION IN A MOBILE COMMUNICATION SYSTEM
    Publication number: 20160014750
    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: Application
    Filed: September 25, 2015
    Publication date: January 14, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Young Dae Lee, Sung Duck Chun, Myung Cheul Jung, Sung Jun Park
  • Method for reporting position information together with other information in a wireless communication system and apparatus for supporting same
    Patent number: 9237419
    Abstract: According to one aspect of the present invention, a reporting method in a wireless communication system is provided. The method comprises: determining a service state; controlling positioning for acquiring position information based on the service state; acquiring information on the position of a terminal according to the positioning mode determined by said controlling; and reporting the acquired position information to a network.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: January 12, 2016
    Assignee: LG Electronics Inc.
    Inventors: Sung Hoon Jung, Seung June Yi, Young Dae Lee, Sung Jun Park
  • Method for logging and reporting information on interference by IDC terminal in wireless communication system and device for supporting same
    Patent number: 9237468
    Abstract: A method for logging and reporting IDC interference information is provided. The method includes receiving an IDC interference measurement configuration from a network, the IDC interference measurement configuration comprising information instructing that a logging of IDC interference information be started, performing first IDC interference measurement on a first subframe, logging first IDC interference information comprising a first IDC interference measurement result, performing second IDC interference measurement on a second subframe, logging second IDC interference information comprising a second IDC interference measurement result, and reporting the first IDC interference information and the second IDC interference information to the network.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: January 12, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Sung Hoon Jung, Seung June Yi, Young Dae Lee, Sung Jun Park, Jae Wook Lee
  • Method and apparatus for transmitting radio link failure information in wireless communication system
    Patent number: 9237466
    Abstract: A method and apparatus of transmitting radio link failure (RLF) information in a wireless communication system is provided. A user equipment (UE) supports a first communication system and a second communication system. The method includes detecting an RLF at a first cell of the first communication system, and reporting an RLF report message to an eNodeB (eNB) serving the first cell based on whether or not the RLF is triggered by interference from the second communication system. In addition, a method and apparatus of restricting storing and/or reporting the RLF information in a wireless communication system is provided.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: January 12, 2016
    Assignee: LG Electronics Inc.
    Inventors: Young Dae Lee, Jae Wook Lee, Sung Hoon Jung, Sung Jun Park, Seung June Yi
  • METHOD FOR DETECTING SECURITY ERROR IN MOBILE TELECOMMUNICATIONS SYSTEM AND DEVICE OF MOBILE TELECOMMUNICATIONS
    Publication number: 20160006748
    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: September 14, 2015
    Publication date: January 7, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung June YI, Sung Jun PARK, Young Dae LEE, Sung Duck CHUN
  • Apparatus and method of transmitting/receiving MBMS
    Patent number: 9232359
    Abstract: An apparatus and method of transmitting/receiving a multimedia broadcast/multicast service (MBMS) is disclosed. The present invention enables ARQ and HARQ to be applied to the MBMS transmission, thereby enabling more efficient data transmissions at a greater rate.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: January 5, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Young Dae Lee, Sung Duck Chun, Myung Cheul Jung
  • 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
    Publication number: 20150382226
    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: Application
    Filed: September 4, 2015
    Publication date: December 31, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sung Hoon JUNG, Sung Duck CHUN, Seung June YI, Young Dae LEE, Sung Jun PARK
  • METHOD FOR TRANSMITTING AND RECEIVING SIGNALS IN CONSIDERATION OF TIME ALIGNMENT TIMER AND USER EQUIPMENT FOR THE SAME
    Publication number: 20150373680
    Abstract: A method for a user equipment (UE) to generate a transmission is provided. In this method, a UE starts a time alignment timer when a time alignment command is received. The UE receives an uplink grant; and generates an initial transmission or a retransmission according to the uplink grant only when the time alignment timer is running upon receiving the uplink grant. In addition, the uplink grant is received through a Physical Downlink Control Channel (PDCCH) indicated by a Cell Radio Network Temporary Identifier (C-RNTI) of the UE.
    Type: Application
    Filed: September 1, 2015
    Publication date: December 24, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sung Jun PARK, Seung June YI, Young Dae LEE, Sung Duck CHUN