Patents by Inventor Myungjune Youn

Myungjune Youn 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 and user equipment for connecting by means of plurality of accesses in next generation network
    Patent number: 10716159
    Abstract: A method for a user equipment (UE) connecting to a network includes: if second connection is to be executed by means of a second access, determining whether or not first connection has been previously executed by means of a first access; and, if the first connection by means of the first access has been executed and the second connection by means of the second access is determined to be an addition, transmitting a connection request message comprising identification information of a control plane (CP) function node. The identification information of the control plane (CP) function node could have been obtained during the first connection by means of the first access. Both the first connection by means of the first access and the second connection by means of the second access can be managed by means of the control plane (CP) function node.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: July 14, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hyunsook Kim, Laeyoung Kim, Sangmin Park, Myungjune Youn
  • METHOD FOR INTERACTION BETWEEN LAYERS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
    Publication number: 20200221529
    Abstract: A method for forwarding a non-access stratum (NAS) message of a user equipment (UE) in a wireless communication system is disclosed. The method includes sending an uplink (UL) NAS message including a session management (SM) message to an access and mobility management function (AMF), and receiving, from the AMF, an indication message indicating that the SM message is unroutable, wherein indication information indicating that the SM message is unroutable is delivered to a SM sublayer of the UE.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 9, 2020
    Inventors: Sangmin PARK, Hyunsook KIM, Jinsook RYU, Dongsoo KIM, Myungjune YOUN
  • Method and cell for determining handover of PDU session
    Patent number: 10708830
    Abstract: A disclosed feature of the present specification provides a method for a source cell determining a handover of a packet data unit (PDU) session. The method may include a step of determining a target cell or target next generation radio access network (NG-RAN) based on a measurement report by a terminal. A handover region list can additionally be considered in the target cell or target NG-RAN determination step. The method may include a step of transmitting a handover request message that does not include context with respect to the PDU session to the target cell or target NG-RAN, based on the handover region list, if it is confirmed that the determined target cell or target NG-RAN cannot serve for the PDU session.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: July 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjune Youn, Hyunsook Kim, Jinsook Ryu
  • Method and base station for supporting handover
    Patent number: 10694434
    Abstract: A source BS may determine that handover of a UE to a target BS is needed and transmit a handover request message indicating a request of handover to the target BS to a network node to which the source BS is connected. The handover request message may include radio access network (RAN) type information indicating a target RAN and radio access technology (RAT) type information indicating a target RAT.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: June 23, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinsook Ryu, Hyunsook Kim, Myungjune Youn, Sangmin Park
  • De-registration method in wireless communication system and device therefor
    Patent number: 10687300
    Abstract: An aspect of the present invention relates to a UE-initiated de-registration method by an AMF in a wireless communication system, and comprises the steps of: receiving, from UE, a de-registration request message that requests de-registration, wherein the de-registration request message includes de-registration type information and first access type information indicating a target access to which the de-registration is to be applied; requesting, when the UE has an established protocol data unit (PDU) session through the target access, an SMF to release the established PDU session; and transmitting a de-registration accept message to the UE depending on the de-registration type.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: June 16, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjune Youn, Laeyoung Kim, Jinsook Ryu
  • PDN connection management method and network entity
    Patent number: 10687380
    Abstract: A disclosure of the present specification provides a packet data network (PDN) connection management method performed by packet data network gateway (P-GW). The method may comprise the steps of: establishing a first type PDN connection with a user equipment (UE); recognizing that an error has occurred in the first type PDN connection, after establishing the first type-PDN connection; and transmitting a delete bearer request message to a mobility management entity (MME) in order to perform a bearer de-activation procedure according to the recognition of the error occurrence. The delete bearer request message may include information indirectly indicating that an error has occurred in the first type PDN connection.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: June 16, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hyunsook Kim, Jinsook Ryu, Laeyoung Kim, Myungjune Youn, Dongsoo Kim
  • METHOD FOR MANAGING UPLINK QUALITY OF SERVICE AND BASE STATION FOR PERFORMING SAME METHOD
    Publication number: 20200178112
    Abstract: A disclosure of the present specification provides a method for managing uplink quality of service (QoS) by a base station. The method may comprise the steps of: determining whether a timer, driven by a terminal in relation to reflective QoS, has expired; during driving of the timer of the terminal, transmitting multiple packets within a traffic flow, to which the reflective QoS is applied, without setting at least one of a reflective QoS indication (RQI) and a QoS flow ID (QFI) for the multiple packets therewithin; and before expiration of the timer being driven by the terminal, setting at least one of the RQI and the QFI for at least one packet within the traffic flow and transmitting the set packet.
    Type: Application
    Filed: May 29, 2018
    Publication date: June 4, 2020
    Inventors: Myungjune YOUN, Hyunsook KIM, Jinsook RYU, Heejeong CHO
  • Operation method for preventing latent erroneous operation of terminal in wireless communication system, and apparatus for same
    Patent number: 10674364
    Abstract: Disclosed are a terminal operation method and a terminal which: transmit an EMM request message to a network entity; at the same time as transmitting the EMM request message, start a timer for detecting a case in which an EMM response message is not received; receive the EMM response message to which integrity protection is not applied; and wait for an additional EMM response message while operating the timer without stopping the timer.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: June 2, 2020
    Assignee: LG Electronics Inc.
    Inventors: Sangmin Park, Taehun Kim, Myungjune Youn, Jaewook Lee, Jaehyun Kim
  • METHOD INTERLAYER INTERACTION METHOD IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
    Publication number: 20200163145
    Abstract: According to an aspect of the present invention, a method for transporting a non-access stratum (NAS) message of an access and mobility management function (AMF) in a wireless communication system may include: receiving, from a user equipment (UE), an uplink (UL) NAS message including a session management (SM) message for a request related to a protocol data unit (PDU) session; transporting, to a predetermined second Session Management Function (SMF), the SM message if it is determined that it is impossible to route the SM message to a first SMF as a transport target of the SM message; receiving, from the second SMF, an SM rejection message for the SM message; and transmitting, to the UE, a downlink (DL) NAS message including the SM rejection message.
    Type: Application
    Filed: March 20, 2018
    Publication date: May 21, 2020
    Applicant: LG Electronics Inc.
    Inventors: Sangmin PARK, Myungjune YOUN, Hyunsook KIM, Jinsook RYU, Dongsoo KIM
  • Method by which PGW processes data for UE in wireless communication system, and apparatus therefor
    Patent number: 10652793
    Abstract: One embodiment of the present invention relates to a method by which a packet data network gateway (PGW) processes data for an UE in a wireless communication system, the method comprising the steps of: receiving a tracking area identifier (TAI) list from a mobility management entity (MME); and receiving downlink data for the UE from a network, wherein the PGW buffers the downlink data when all of the tracking areas (TAs), which belong to the TAI list, are not included in the same serving gateway (SGW) service region.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: May 12, 2020
    Assignee: LG Electronics Inc.
    Inventors: Laeyoung Kim, Jaehyun Kim, Myungjune Youn, Dongsoo Kim
  • TRACKING AREA ASSIGNMENT METHOD IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
    Publication number: 20200145953
    Abstract: Provided is a tracking area assignment method by an access and mobility management function (AMF) in a wireless communication system. The method may include receiving, from a session management function (SMF), service and session continuity (SSC) mode indication information for a protocol data unit (PDU) session generated for a user equipment (UE), obtaining serving area information for a serving area of a serving user plane function (UPF) associated with the PDU session, determining the assignment of a new tracking area to the UE is necessary based on a tracking area pre-assigned to the UE and the serving area, and performing tracking area update for the assignment of the new tracking area to the UE if it is determined that the assignment of the new tracking area is necessary.
    Type: Application
    Filed: December 12, 2017
    Publication date: May 7, 2020
    Inventors: Myungjune Youn, Jaehyun KIM, Hyunsook KIM, Jinsook RYU
  • METHOD FOR REGISTERING TERMINAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
    Publication number: 20200137552
    Abstract: A registration method of a user equipment (UE) in a wireless communication system is disclosed. The registration method includes transmitting a registration request message to an access and mobility management function (AMF), wherein the registration request message includes requested network slice selection assistance information (NSSAI) including single (S)-NSSAI corresponding to a network slice to which the UE intends to register with; and receiving, from the AMF, a registration accept message as a response to the registration request message, wherein if at least one of the S-NSSAI included in the requested NSSAI is rejected by the AMF, the registration accept message includes the rejected S-NSSAI and a reason for refusal for the rejected S-NSSAI.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Inventors: Sangmin PARK, Jinsook RYU, Hyunsook KIM, Myungjune YOUN
  • METHOD AND SMF FOR SUPPORTING QOS
    Publication number: 20200128432
    Abstract: One disclosure of the present specification provides a method by which a session management function (SMF) supports quality of service (QoS). The method can comprise the steps of: determining, on the basis of a QoS flow not being a guaranteed bit rate (GBR) QoS flow in a multi-access (MA) protocol data unit (PDU) session, that a QoS profile is transmitted to both a third generation partnership project (3GPP) access and a non-3GPP access; determining, on the basis of the QoS flow being the GBR QoS flow in the MA PDU session, that the QoS profile is transmitted to only one of the 3GPP access and the non-3GPP access; and transmitting the QoS profile on the basis of the determinations.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Myungjune YOUN, Laeyoung KIM, Hyunsook KIM, Jinsook RYU
  • METHOD AND APPARATUS FOR REPORTING LOCATION INFORMATION OF USER EQUIPMENT IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20200128507
    Abstract: A method for reporting location information of a user equipment (UE) to a network node apparatus by the UE in a wireless communication system may comprise the steps of: receiving information indicating a service area where a data service is provided on the basis of a local area; receiving location change reporting configuration information of a session of the data service; and when the UE enters or leaves the service area while the session of the data service has been established, reporting information on a location change of the UE on the basis of the location change reporting configuration information.
    Type: Application
    Filed: June 12, 2018
    Publication date: April 23, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinsook RYU, Hyunsook KIM, Sangmin PARK, Myungjune YOUN
  • Method for interaction between layers in wireless communication system and apparatus therefor
    Patent number: 10631357
    Abstract: A method for forwarding a non-access stratum (NAS) message of a user equipment (UE) in a wireless communication system is disclosed. The method includes sending an uplink (UL) NAS message including a session management (SM) message to an access and mobility management function (AMF), and receiving, from the AMF, an indication message indicating that the SM message is unroutable, wherein indication information indicating that the SM message is unroutable is delivered to a SM sublayer of the UE.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Electronics Inc.
    Inventors: Sangmin Park, Hyunsook Kim, Jinsook Ryu, Dongsoo Kim, Myungjune Youn
  • METHOD FOR PERFORMING HANDOVER IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
    Publication number: 20200120570
    Abstract: Disclosed are a method for performing handover in a wireless communication system and a device therefor. Specifically, a method for performing handover of a user equipment (UE) by a session management function (SMF) including a communication module and a process in a wireless communication system may include: checking whether handover for a protocol data unit (PDU) session of the UE may be accepted; and transmitting, to an access and mobility management function (AMF), when handover for some PDU sessions among the PDU sessions of the UE is accepted, only information on some PDU sessions in which the handover is accepted.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 16, 2020
    Inventors: Myungjune Youn, Laeyoung Kim, Hyunsook Kim, Jinsook Ryu, Sangmin Park
  • De-registration method in wireless communication system and device therefor
    Patent number: 10624053
    Abstract: An aspect of the present invention relates to a UE-initiated de-registration method by an AMF in a wireless communication system, and comprises the steps of: receiving, from UE, a de-registration request message that requests de-registration, wherein the de-registration request message includes de-registration type information and first access type information indicating a target access to which the de-registration is to be applied; requesting, when the UE has an established protocol data unit (PDU) session through the target access, an SMF to release the established PDU session; and transmitting a de-registration accept message to the UE depending on the de-registration type.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: April 14, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjune Youn, Laeyoung Kim, Jinsook Ryu
  • Method for registering home routed roaming user equipment with IMS network
    Patent number: 10616849
    Abstract: One disclosure of the present specification provides a method for a proxy-call session control function (P-CSCF) of a home public land mobile network (H-PLMN) to register a roaming user equipment with an IP multimedia subsystem (IMS) network. The method may comprise the steps of: receiving an identifier of a visited public land mobile network (V-PLMN) in which a user equipment is roaming, wherein the identifier of the V-PLMN is received in a state where packet data network (PDN) connection for the user equipment is established but the user equipment is not registered with the IMS network; receiving, from the user equipment, a REGISTER message for registration with the IMS network; adding the identifier of the V-PLMN to a header of the REGISTER message; and transmitting the REGISTER message to which the identifier of the V-PLMN is added to an Interrogating-CSCF (I-CSCF).
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: April 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunsook Kim, Jinsook Ryu, Laeyoung Kim, Myungjune Youn, Dongsoo Kim
  • Base station connecting method and user equipment performing same
    Patent number: 10616820
    Abstract: The present specification provides a method by which user equipment (UE) is connected to a base station. The method comprises the steps of: receiving broadcasted information from the base station, wherein the broadcasted information includes information of network slices connected to the base station and capability information of the base station; determining a type indicating a service to be provided or a kind of operation on the basis of the information on the network slices and capability information on the base station; transmitting, to the base station, a connection request message including information on the determined type; and receiving a connection accept message for a first network slice among the network slices connected to the base station. The first network slice can be selected by the base station on the basis of the information on the type.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: April 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjune Youn, Jinsook Ryu, Hyunsook Kim, Laeyoung Kim, Dongsoo Kim
  • METHOD AND TEMINAL FOR CREATING, MODIFYING, RELEASING SESSION IN NEXT-GENERATION MOBILE COMMUNICATION
    Publication number: 20200099750
    Abstract: One disclosure of the present specification provides a method for a terminal creating a session, the terminal supporting next-generation mobile communication. The method may comprise the steps of: determining that a session must be newly created if the creation of a session is not included in a process of attaching to a core network of a next-generation mobile communication; on the basis of service type information, determining that the session being newly created needs to be always-on, or in other words, always-connected; and transmitting, to a control plane (CP) function node for managing the session, a connectivity request message including information indicating that the session that needs to be always-on, or in other words, always-connected, has been requested.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 26, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunsook KIM, Jinsook RYU, Myungjune YOUN, Dongsoo KIM, Sungduck CHUN, Laeyoung KIM