公开(公告)号：US20240340776A1

公开(公告)日：2024-10-10

申请号：US18508618

申请日：2023-11-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Changki KIM ,  Jeoung Lak HA ,  Namseok KO

IPC: H04W48/16 ,  H04W8/20 ,  H04W24/02

CPC classification number: H04W48/16 ,  H04W8/20 ,  H04W24/02

Abstract: Disclosed is an operation method of a session management function (SMF) apparatus for providing a user plane function (UPF) event exposure service in a wireless communication system, the operation method including: obtaining a UPF event exposure service subscription request from a consumer network function (NF) of a UPF event, wherein the UPF event exposure service subscription request includes reporting suggestion information; and providing the reporting suggestion information to a UPF on the basis of the UPF event exposure service subscription request, wherein the reporting suggestion information includes reporting detailed information applied to a result report for the UPF event.

公开(公告)号：US20240236729A1

公开(公告)日：2024-07-11

申请号：US18370533

申请日：2023-09-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jeoung Lak HA ,  Changki KIM ,  Jaewook LEE ,  Seung Han CHOI

IPC: H04W24/08

CPC classification number: H04W24/08

Abstract: A wireless communication system is proposed. More particularly, an apparatus and a method for measuring and reporting performance monitoring data in a wireless communication system are proposed. Specifically, the operation method of a user plane function (UPF) in a wireless communication system includes receiving a QoS monitoring request from a session management function (SMF), wherein the QoS monitoring request may include monitoring of at least one of a data rate, a congestion level, a packet transmission count, a packet retransmission count, a packet retransmission ratio, a packet drop count, or a packet drop ratio.

公开(公告)号：US20240114323A1

公开(公告)日：2024-04-04

申请号：US18476036

申请日：2023-09-27

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Yoo Hwa KANG ,  Namseok KO ,  Changki KIM

IPC: H04W4/50

CPC classification number: H04W4/50

Abstract: An apparatus and method for providing an SFC service exposure function in a wireless communication system is proposed. The apparatus and method relates to a wireless communication system in general, and specifically, the method includes a process of requesting a service function chaining (SFC) service from a network exposure function (NEF), wherein, in the process of requesting the SFC service, the SFC service is requested by inputting an SFC policy identifier and a metadata value on a basis of an Nnef_TrafficInfluence service interface, and the SFC policy identifier is mapped to an identifier defined in a policy and charging control (PCC) rule.

公开(公告)号：US20230269574A1

公开(公告)日：2023-08-24

申请号：US18105378

申请日：2023-02-03

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jeoung Lak HA ,  Yoo Hwa KANG ,  Changki KIM ,  Taesik CHEUNG

IPC: H04W8/20 ,  H04W76/11

CPC classification number: H04W8/20 ,  H04W76/11

Abstract: Provided is an operation method of a user plane function (UPF) in a wireless communication system, the operation method including: obtaining a subscription request message from a network function (NF), the subscription request message including a first identifier; and providing the NF with a subscription response message corresponding to the subscription request message, the subscription response message including a second identifier, wherein the first identifier includes upSeId or a user session identifier that is a session identifier for a user terminal, or both, and the second identifier includes cpSeId or the user session identifier or both.

公开(公告)号：US20220095153A1

公开(公告)日：2022-03-24

申请号：US17483222

申请日：2021-09-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jeoung Lak HA ,  Yoo Hwa KANG ,  Changki KIM

IPC: H04W28/02

Abstract: Provided is a method of creating a QoS flow for a time synchronization protocol in a wireless communication network. A method of creating a QoS flow for a time synchronization protocol in a wireless communication network includes: receiving, by a Session Management Function (SMF), the PTP profile information from the UE, together with at least one of a DNN, a S-NSSAI information and a session ID for a Time Sensitive Communication (TSC) service; setting, by the SMF, a PCCrule of the QoS flow for the time synchronization protocol; providing, by the SMF, the QoS flow and a SDF filter information for the QoS flow to a User Plane Function (UPF); and providing, by the SMF, the QoS flow and a QoS rule filter to an Access and Mobility Management Function (AMF).

公开(公告)号：US20170347251A1

公开(公告)日：2017-11-30

申请号：US15600896

申请日：2017-05-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Changki KIM ,  Yoo Hwa KANG ,  No Ik PARK ,  Young Il CHOI ,  Jeoung Lak HA

IPC: H04W4/20 ,  H04W88/04 ,  H04W72/04

CPC classification number: H04W88/04 ,  H04W4/20 ,  H04W76/12

Abstract: A signaling method in a mobile communication core network and a system thereof. The signaling method in a mobile communication core network includes: receiving, by a traffic controller, an initial attach request from a terminal in a software defined network (SDN) based mobile communication core network; allocating, by the traffic controller, a tunnel identifier for a tunnel establishment between a base station and a traffic transmitter or between traffic transmitters in response to the initial attach or a service request of the terminal; and transmitting, by the traffic controller, the allocated tunnel identifier to the traffic transmitter and the base station.

公开(公告)号：US20250141809A1

公开(公告)日：2025-05-01

申请号：US18930724

申请日：2024-10-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Seung Han CHOI ,  Changki KIM

IPC: H04L47/28 ,  H04L1/08

Abstract: Proposed is an operation method of a session management function (SMF) for providing a time-sensitive service in a wireless communication system. The operation method includes receiving frame preemption information from a time-sensitive networking application function (TSN AF) or a time-sensitive communication and time synchronization function (TSCTSF) via a policy control function (PCF) through an SBI interface, retransmitting the frame preemption information from the PCF to a user plane function (UPF)/network-side TSN translator (NW-TT) through an N4 interface, transmitting the frame preemption information from the PCF to a user equipment (UE)/device-side TSN translator (DS-TT) through an Ni NAS interface, and receiving the frame preemption information set from the UPF/NW-TT through the N4 interface and from the UE/DS-TT through the Ni NAS interface and transmitting the frame preemption information to the TSN AF or the TSCTSF via the PCF through the SBI interface.

公开(公告)号：US20250119388A1

公开(公告)日：2025-04-10

申请号：US18907199

申请日：2024-10-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jeoung Lak HA ,  Changki KIM ,  Seung Han CHOI

IPC: H04L47/28 ,  H04L47/2416

Abstract: The present disclosure relates generally to a wireless communication system. More particularly, the present disclosure relates to an apparatus and a method for providing setting information on a time-sensitive networking talker and listener for time-sensitive networking (TSN) transport in a wireless communication system. According to various embodiments of the present disclosure, provided is a method of giving notification of whether a radio access network (RAN) supports a time-sensitive networking (TSN) talker/listener in a wireless communication system, the method including notifying, by the RAN, either an access and mobility management function (AMF) or a session management function (SMF) by using an NGAP message.

公开(公告)号：US20240224080A1

公开(公告)日：2024-07-04

申请号：US18601151

申请日：2024-03-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Yoo Hwa KANG ,  Namseok KO ,  Changki KIM ,  Jeong-Dong RYOO ,  Yeoncheol RYOO ,  Taesik CHEUNG

IPC: H04W24/02 ,  H04L41/0823

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.

公开(公告)号：US20220361120A1

公开(公告)日：2022-11-10

申请号：US17499125

申请日：2021-10-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Changki KIM ,  Yoo Hwa KANG

IPC: H04W56/00

Abstract: Provided is a method for providing a time synchronization service for an external application service of a 5G system (5GS). A method may include: receiving, by a Network Exposure Function (NEF) from an Application Function (AF), a request for a capability for a 5GS time synchronization service; and in response to the request for the capability, transmitting, by the NEF to the AF, a time synchronization parameter including the capability.