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公开(公告)号：US11729660B2
公开(公告)日：2023-08-15
申请号：US17398165
申请日：2021-08-10
Inventor： Changki Kim , Yoo Hwa Kang , Taesik Cheung
IPC: H04W28/02
CPC classification number: H04W28/0263 , H04W28/0205 , H04W28/0268
Abstract: A 5G system operating as a Time Sensitive Network (TSN) bridge and a traffic transmission method are provided. The traffic transmission method includes receiving, by a User Plane Function (UPF), a traffic transmission type information from a Session Management Function (SMF); determining, by the UPF, whether a Time Sensitive Communication (TSC) traffic incoming the TSN bridge is a UE-UE TSC traffic based on the traffic transmission type information; and when it is determined that the TSC traffic incoming the TSN bridge is the UE-UE TSC traffic, performing, by the UPF, local switching between Protocol Data Unit (PDU) sessions for transmitting UE-UE TSC traffic.
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公开(公告)号：US11064388B2
公开(公告)日：2021-07-13
申请号：US16407450
申请日：2019-05-09
Inventor： Changki Kim , Yoo Hwa Kang , Jeoung Lak Ha
Abstract: A traffic distribution method through a multi-access network in a network and a network entity performing the same. A first device belonging to the network may trigger a change to an ATSSS (access traffic steering, switching, and splitting) rule corresponding to an established multi-access PDU session (MA PDU session) when the MA PDU session is established. A session management function (SMF) may transmit a first message including the changed ATSSS rule to an access and mobility management function (AMF).
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公开(公告)号：US11963022B2
公开(公告)日：2024-04-16
申请号：US18075506
申请日：2022-12-06
Inventor： Yoo Hwa Kang , Namseok Ko , Changki Kim , Jeong-Dong Ryoo , Yeoncheol Ryoo , Taesik Cheung
IPC: G06F15/16 , H04L41/0823 , H04W24/02
CPC classification number: H04W24/02 , H04L41/0823
Abstract: A method and apparatus for processing DetNet traffic through the steps of receiving configuration information for configuring a DetNet node from a DetNet controller of a DetNet system and configuring a UPF, a DS-TT, and/or a NW-TT in a mobile communication system as the DetNet node are provided.
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公开(公告)号：US11051358B2
公开(公告)日：2021-06-29
申请号：US16569339
申请日：2019-09-12
Inventor： Yoo Hwa Kang , Changki Kim , No Ik Park
Abstract: A method for releasing a context of a user equipment in a non-3GPP access network and a network entity performing the same are disclosed. In a case in which the UE is a unreachable state, a non-3GPP interworking function (N3IWF) may a UE context release request message to an access and mobility management function (AMF), and may perform protocol data unit (PDU) session user plane de-activation between the AMF, a session management function (SMF), and a user plane function (UPF). In addition, the AMF may transmit a UE context release command message to the N3IWF, and the N3IWF may transmit a UE context release complete message to the AMF.
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公开(公告)号：US10893574B2
公开(公告)日：2021-01-12
申请号：US16380748
申请日：2019-04-10
Inventor： Changki Kim , Jeoung Lak Ha , Yoo Hwa Kang
IPC: H04W76/34
Abstract: A packet data unit (PDU) session release method and a network entity performing the same are disclosed.
An access and mobility management function (AMF) may receive a PDU session release request message including an access type which is an access network to be released in a multi-access PDU (MA PDU) session from user equipment (UE) when the MA PDU session is established. The AMF transmits a first message including the access type to a session management function (SMF).-
Patent Agency Ranking
6.发明授权公开(公告)号：US12219013B2
公开(公告)日：2025-02-04
申请号：US18349624
申请日：2023-07-10
Inventor： Kyung Soo Kim , Yoo Hwa Kang , Changki Kim
IPC: H04L67/12 , H04L47/283
Abstract: Provided is an operation method of a time sensitive communication and time synchronization function (TSCTSF) in a wireless communication system, the operation method including: obtaining a deterministic networking (DetNet) configuration parameter from a first AF outside a service provider network; generating parameter mapping information on the basis of the DetNet configuration parameter; and providing the parameter mapping information to a second AF inside the service provider network, wherein the TSCTSF is a network function for providing the AF outside or inside the service provider network with time sensitive communication and time synchronization services.
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7.发明公开公开(公告)号：US20240348670A1
公开(公告)日：2024-10-17
申请号：US18628438
申请日：2024-04-05
Inventor： Yoo Hwa Kang , Namseok Ko , Changki Kim
IPC: H04L65/1096 , H04L65/1069 , H04W28/02
CPC classification number: H04L65/1096 , H04L65/1069 , H04W28/0215
Abstract: Proposed is an apparatus and method for requesting time-sensitive communication (TSC) management information, wherein the method for directly sending TSC management information in wireless communication systems may include a process of sending TSC management information from TSN AF (time-sensitive network application function) to PCF (policy control function), where TSC management information is composed of at least one of PMIC, a port number, and UMIC, and an address information of a target NF, a process of PCF sending the changed policy information to SMF when there is a change in policy information, where the changed policy information is composed of TSC management information, and a process of requesting TSC management information to be included when the SMF requests PFCP session report from UPF.
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公开(公告)号：US11184800B2
公开(公告)日：2021-11-23
申请号：US16742010
申请日：2020-01-14
Inventor： Changki Kim , Yoo Hwa Kang , Jeoung Lak Ha
IPC: G01R31/08 , H04W28/06 , H04W80/10 , H04W8/08 , H04L12/851 , H04W36/00 , H04W36/14 , H04L12/707 , H04W76/11
Abstract: A steering rule provision method for traffic distribution in a network and a network entity performing the same network. A session management function (SMF) may transmit a first message including a multi-access rule (MAR) to a user plane function (UPF), when establishing or modifying a packet data unit (PDU) session for ATSSS (Access Traffic Steering, Switching, and Splitting). The SMF may receive a second message that is a response message to the first message from the UPF.
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公开(公告)号：US11178717B2
公开(公告)日：2021-11-16
申请号：US16418631
申请日：2019-05-21
Inventor： Jeoung Lak Ha , Yoo Hwa Kang , Changki Kim
Abstract: A traffic distribution method through a multi-access network in a network and a network entity performing the same are disclosed. An access and mobility management function (AMF) may receive a PDU session modification request message including an ATSSS (access traffic steering, switching, and splitting) preference, which is a preference for an ATSSS rule, from an user equipment (UE) when a multi-access PDU session (MA PDU session) is established and the UE desires to change the ATSSS rule corresponding to the established MA PDU session. The AMF may transmit a first message including the ATSSS preference to a session management function (SMF).
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公开(公告)号：US10999888B2
公开(公告)日：2021-05-04
申请号：US16569299
申请日：2019-09-12
Inventor： Yoo Hwa Kang , Changki Kim , No Ik Park
Abstract: A method for releasing a context of a user equipment in a non-3GPP access network and a network entity performing the same are disclosed. In a case in which the UE is a unreachable state, a non-3GPP interworking function (N3IWF) may a UE context release request message to an access and mobility management function (AMF), and may perform protocol data unit (PDU) session user plane de-activation between the AMF, a session management function (SMF), and a user plane function (UPF). In addition, the AMF may transmit a UE context release command message to the N3IWF, and the N3IWF may transmit a UE context release complete message to the AMF.
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