公开(公告)号：US12114374B2

公开(公告)日：2024-10-08

申请号：US17608736

申请日：2020-04-29

Applicant: Hyundai Motor Company ,  Kia Corporation ,  Korea National University of Transportation Industry-Academic Cooperation Foundation

Inventor： Yong Ho Kim ,  Han Seul Hong

IPC: H04W72/04 ,  H04W24/08 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/08 ,  H04W74/0833

CPC classification number: H04W74/085 ,  H04W24/08 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/0866

Abstract: An operating method of a first communication node in a wireless communication network may include steps of: performing a monitoring operation on a first channel and a second channel; when states of the first channel and the second channel are idle states during a first section as a result of the monitoring operation, performing a random back-off operation in the first channel and the second channel; and when the state of the first channel and the state of the second channel are the idle states as a result of the random back-off operation, transmitting a first frame from the first channel and the second channel.

公开(公告)号：US20240244664A1

公开(公告)日：2024-07-18

申请号：US18621905

申请日：2024-03-29

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  Korea National University of Transportation Industry-Academic Cooperation Foundation

Inventor： Yong Ho Kim

IPC: H04W74/0816 ,  H04W72/0446 ,  H04W84/12

CPC classification number: H04W74/0816 ,  H04W72/0446 ,  H04W84/12

Abstract: In a method and device for reverse transmission of rapid data in a communication system, an AP method includes the steps of: setting up a service section with a STA; transmitting, to the STA, a first data frame containing information indicating that reverse communication is allowed in the service section; receiving, from the STA, a first reception response frame with respect to the first data frame; and performing reverse communication with the STA in a remaining section within the service section.

公开(公告)号：US20240067533A1

公开(公告)日：2024-02-29

申请号：US18239942

申请日：2023-08-30

Applicant: KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Jong Tae SON ,  Hae In KIM

IPC: C01G53/00 ,  D01D5/00 ,  D01D10/02 ,  D01F8/18 ,  D01F9/08

CPC classification number: C01G53/42 ,  D01D5/0007 ,  D01D10/02 ,  D01F8/18 ,  D01F9/08 ,  C01P2004/16 ,  C01P2004/62 ,  C01P2006/40 ,  D10B2101/02 ,  D10B2101/12

Abstract: The present disclosure relates to a cathode active material and a method for manufacturing the same, and in particular, to a cathode active material capable of accelerating charge transfer and lithium ion diffusion by shortening a distance of lithium diffusion through electrospinning a mixture solution for manufacturing the cathode active material, and a method for manufacturing the same.

公开(公告)号：US20230254920A1

公开(公告)日：2023-08-10

申请号：US18012179

申请日：2021-06-14

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Yong Ho Kim

IPC: H04W76/15 ,  H04W48/16 ,  H04W72/0453

CPC classification number: H04W76/15 ,  H04W48/16 ,  H04W72/0453

Abstract: A method and device are disclosed for transmitting/receiving a frame in a multi-link-supporting communication system. An operation method of a first device comprises the steps of: receiving a first beacon frame in a first link from a second device; carrying out a monitoring operation in a second link in order to receive a second beacon frame from the second device; and if the second beacon frame is not received in the second link, determining that the second link is in an unreachable state.

公开(公告)号：US20230164857A1

公开(公告)日：2023-05-25

申请号：US17916893

申请日：2021-04-12

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Yong Ho KIM

IPC: H04W76/14 ,  H04W74/08

CPC classification number: H04W76/14 ,  H04W74/0816 ,  H04W74/0866 ,  H04W84/12

Abstract: Disclosed are a method and device for direct communication in a wireless LAN. An operation method of a first device comprises the steps of: transmitting a first frame, which is for setting up a direct communication link, to a second device over one or more links among multiple links; receiving a second frame, which is a response to the first frame, from the second device over the one or more links; and directly communicating with one or more peer devices over the direct communication link when the second frame is received.

公开(公告)号：US20230122740A1

公开(公告)日：2023-04-20

申请号：US17915200

申请日：2021-03-25

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Yong Ho Kim ,  Han Seul Hong

IPC: H04W74/08 ,  H04W72/1273

Abstract: Disclosed are a method and device for transmitting and receiving data in a communication system supporting multiple links. A method of operating a first device comprises: performing an operation for receiving a first frame from a second device in a first link among multiple links; performing a channel access operation to transmit a second frame to the second device in a second link among the multiple links during a period corresponding to the reception period of the first frame; and transmitting the second frame to the second device in the second link “after the channel access operation is completed and the reception period ends”.

公开(公告)号：US20230040910A1

公开(公告)日：2023-02-09

申请号：US17792692

申请日：2021-01-06

Applicant: ELECTRONICS AND TELECOMMUNICATICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY ACADEMIC COOPERATION FOUNDATION

Inventor： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Yong Ho KIM ,  Han Seul HONG

IPC: H04W74/08

Abstract: A method and an apparatus for STR in a wireless LAN that supports multi-links are disclosed. An operating method of a first communication node comprises the steps of: transmitting a first frame to a second communication node through a first link from among multi-links; receiving, from the second communication node, a response frame for the first frame through the first link; checking a channel occupancy time in a second link from among the multi-links on the basis of first information included in the response frame; and performing a sensing operation in a preset section after the end of the channel occupancy time in the second link.

公开(公告)号：US20220407622A1

公开(公告)日：2022-12-22

申请号：US17774096

申请日：2020-11-03

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： Yong Ho Kim ,  Yong Su Gwak

IPC: H04L1/16

Abstract: A method and apparatus for transmitting and receiving a block ACK in a wireless LAN system are disclosed. An operation method for a first communication node comprises the steps of: generating a first data frame including first ADDBA information; transmitting the first data frame to a second communication node; and receiving, from the second communication node, a first RA including second ADDBA information generated by the second communication node in response to the first data frame.

公开(公告)号：US20220295546A1

公开(公告)日：2022-09-15

申请号：US17608736

申请日：2020-04-29

Applicant: Hyundai Motor Company ,  Kia Corporation ,  Korea National University of Transportation Industry-Academic Cooperation Foundation

Inventor： Yong Ho Kim ,  Han Seul Hong

IPC: H04W74/08 ,  H04W72/04 ,  H04W24/08

Abstract: An operating method of a first communication node in a wireless communication network may include steps of: performing a monitoring operation on a first channel and a second channel; when states of the first channel and the second channel are idle states during a first section as a result of the monitoring operation, performing a random back-off operation in the first channel and the second channel; and when the state of the first channel and the state of the second channel are the idle states as a result of the random back-off operation, transmitting a first frame from the first channel and the second channel.

公开(公告)号：US20220104243A1

公开(公告)日：2022-03-31

申请号：US17426470

申请日：2020-01-28

Applicant: Hyundai Motor Company ,  Kia Corporation ,  Korea National University of Transportation Industry-Academic Cooperation Foundation

Inventor： Yong Ho Kim

IPC: H04W72/12 ,  H04L1/18

Abstract: An operation method of a first communication node in a wireless communication network includes steps of: transmitting, to a plurality of communication nodes, a first frame having configuration information of a data transmission interval including at least one frame transmission interval; and receiving second data frames from at least one of the communication nodes, among the plurality of communication nodes, during the data transmission interval. The first frame may include: identifiers indicating the plurality of communication nodes; and information for configuring a network allocation vector (NAV) for communication nodes excluding the plurality of communication nodes.