公开(公告)号：US20220394525A1

公开(公告)日：2022-12-08

申请号：US17888541

申请日：2022-08-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Soohwan LEE ,  Myung Ki SHIN ,  Seung-Ik LEE

IPC: H04W24/08 ,  H04W24/10 ,  H04L65/1053 ,  H04W24/02 ,  H04L65/1073 ,  H04L65/1016 ,  H04L67/562

Abstract: A network data collection method from application function device for network data analytic function is disclosed. The network data collection method includes transmitting a Naf_EventExposure_Subscribe message for a subscription of an event into an application function (AF) device; and receiving a Naf_EventExposure_Notify message from the AF device when the NWDAF subscribes the event.

公开(公告)号：US20220321674A1

公开(公告)日：2022-10-06

申请号：US17714018

申请日：2022-04-05

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jihoon SUNG ,  Soohwan LEE ,  Myung Ki SHIN

IPC: H04L67/61 ,  H04L41/5003 ,  H04L67/52

Abstract: An application function (AF) in a first network and a method for providing a service by the AF via a second network including: requesting quality of service (QoS) related information to a network exposure function (NEF) of a second network different from the first network in which the AF is located, wherein the QoS related information is used to guarantee the QoS of a service to be provided to a terminal; and receiving the QoS related information from the NEF of the second network are provided.

公开(公告)号：US20220294723A1

公开(公告)日：2022-09-15

申请号：US17829169

申请日：2022-05-31

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Soohwan LEE ,  Myung Ki SHIN

IPC: H04L43/50 ,  H04L43/028 ,  H04L43/065 ,  H04L43/0817 ,  H04L43/04

Abstract: A method and system for providing communication analysis of the user equipment (UE) based on network analysis is disclosed. The method provides communication analysis of the UE in a form as UE communication statistics or UE communication prediction by analyzing network data collected from the network function (NF) device.

公开(公告)号：US20220086703A1

公开(公告)日：2022-03-17

申请号：US17536609

申请日：2021-11-29

Applicant: Electronics and Telecommunications Research Institute

Inventor： Soohwan LEE ,  Dongmyoung KIM ,  Myung Ki SHIN

IPC: H04W36/00 ,  H04W36/12 ,  H04L29/12 ,  H04L29/08

Abstract: Disclosed is a session management method based on protocol data unit (PDU) session anchor (PSA) relocation, and an device performing the session management method. The session management method may include determining to perform PSA relocation, establishing a new PSA device through the PSA relocation, and releasing an existing PSA device, in which the PSA relocation may allow traffic moving towards the existing PSA device to move to the new PSA device.

公开(公告)号：US20240422240A1

公开(公告)日：2024-12-19

申请号：US18817980

申请日：2024-08-28

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jihoon SUNG ,  Soohwan LEE ,  Myung Ki SHIN

IPC: H04L67/61 ,  H04L41/5003 ,  H04L67/52

Abstract: An application function (AF) in a first network and a method for providing a service by the AF via a second network including: requesting quality of service (QoS) related information to a network exposure function (NEF) of a second network different from the first network in which the AF is located, wherein the QoS related information is used to guarantee the QoS of a service to be provided to a terminal; and receiving the QoS related information from the NEF of the second network are provided.

公开(公告)号：US20240179073A1

公开(公告)日：2024-05-30

申请号：US18432552

申请日：2024-02-05

Applicant: Electronics and Telecommunications Research Institute

Inventor： Myung Ki SHIN ,  Soohwan LEE

IPC: H04L41/16 ,  G06F18/214 ,  H04L41/14 ,  H04L43/08

CPC classification number: H04L41/16 ,  G06F18/214 ,  H04L41/145 ,  H04L43/08

Abstract: A network device divided into a training plane and a control plane, model management server that controls a network device, and processing methods of a network device and model management server are disclosed. A processing method may include receiving a machine learning model from a model management server, obtaining network data to generate analytics information, generating analytics information by inputting the network data to a machine learning model, feeding back the analytics information to the model management server, and generating a control command of the network device using the analytics information, wherein the analytics information is generated by a training plane function and the control command is generated by a control plane function.

公开(公告)号：US20230247417A1

公开(公告)日：2023-08-03

申请号：US18098375

申请日：2023-01-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Myung Ki SHIN ,  JIHOON SUNG ,  Soohwan LEE

IPC: H04W8/24 ,  H04L41/16

CPC classification number: H04W8/24 ,  H04L41/16

Abstract: Provided is a method of a time synchronization service for federated learning (FL) in a fifth generation (5G) network. The method includes receiving, by an artificial intelligence/machine learning function (AIMLF), a subscription request for UE capability information for an FL time synchronization service from an artificial intelligence/machine learning application function (AIML AF) and transmitting, by the AIMLF, the UE capability information to the AIML AF, in response to the subscription request.

公开(公告)号：US20220092479A1

公开(公告)日：2022-03-24

申请号：US17484356

申请日：2021-09-24

Applicant: Electronics and Telecommunications Research Institute

Inventor： Myung Ki SHIN ,  Soohwan LEE

IPC: G06N20/00 ,  H04L67/10

Abstract: A distributed training method performed between a terminal and an edge cloud server is disclosed. The distributed training method may include identifying a plurality of user terminals located in a local network coverage of the edge cloud server, providing machine learning models to the plurality of user terminals for training and aggregating results of the training of the machine learning models from the plurality of user terminals when the training of the machine learning models is completed.

公开(公告)号：US20200008184A1

公开(公告)日：2020-01-02

申请号：US16564422

申请日：2019-09-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seung-Ik LEE ,  Myung Ki SHIN

IPC: H04W72/04 ,  H04W28/16

Abstract: Provided is a communication method and apparatus using network slicing. A communication method of a communication apparatus performing communication with a user equipment receives a predetermined request from the user equipment, selects a single network slice instance to be allocated to the user equipment from among a plurality of network slice instances in the communication apparatus in response to the request, selects a single network function instance to be allocated to the user equipment from among a plurality of network function instances included in the selected network slice instance. The network slice instance is in an instantiated form of a network slice that includes at least one network function and resource for providing a network service having a predetermined capability and characteristic to the user equipment.

公开(公告)号：US20190116486A1

公开(公告)日：2019-04-18

申请号：US16161604

申请日：2018-10-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dongmyoung KIM ,  Myung Ki SHIN ,  Soohwan LEE

IPC: H04W8/10 ,  H04W64/00 ,  H04W4/021 ,  H04W68/00

Abstract: Provided is a location reporting method including sending, by an access and mobility management function (AMF) device, a location reporting control message requesting a location of a user equipment (UE) to an access network; and receiving, by the AMF device, a location report message from the access network in response to the location reporting control message. The location reporting control message may include requested location information or a reporting type.