公开(公告)号：US20150337196A1

公开(公告)日：2015-11-26

申请号：US14720098

申请日：2015-05-22

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY ACADEMIC COOPERATION FOUNDATION

Inventor： Seong-Pil KANG ,  Kisub KIM ,  Jong-Nam KIM

IPC: C09K8/52 ,  C10L3/10

CPC classification number: C09K8/52 ,  C09K2208/22 ,  C10L3/107

Abstract: The present invention provides a method for inhibiting structure II (sII) gas hydrate formation which comprises treating (i) a gas hydrate inhibitor and (ii) at least one additive selected from the group consisting of N-hexyl-N-methyl-pyrrolidinium tetrafluoroborate (HMP-BF4), M-hydroxyethyl-N-methyl-pyrrolidinium tetrafluoroborate (HEMP-BF4), N-ethyl-N-methyl-immidazolium tetrafluoroborate (EMIM-BF4) and N-ethyl-N-methyl-pyrrolidinium tetrafluoroborate (EMP-BF4) in water, which is in contact with a gas mixture of forming structure II gas hydrate.The additives according to the present invention can exhibit the same or greater effects of inhibiting the formation of the structure II gas hydrate through an interaction, even when the amount of a gas hydrate inhibitor is reduced.

Abstract translation: 本发明提供一种抑制结构II（sII）气体水合物形成的方法，其包括处理（i）天然气水合物抑制剂和（ii）至少一种选自N-己基-N-甲基 - 吡咯烷鎓四氟硼酸盐的添加剂 （HMP-BF4），N-羟基乙基-N-甲基 - 吡咯烷鎓四氟硼酸盐（HEMP-BF4），N-乙基-N-甲基 - 咪唑啉四氟硼酸盐（EMIM-BF4）和N-乙基-N-甲基 - 吡咯烷鎓四氟硼酸盐 -BF4）在水中，其与形成结构II的气体水合物的气体混合物接触。 根据本发明的添加剂即使当气体水合物抑制剂的量减少时，也可以通过相互作用表现出相同或更大的抑制结构II气体水合物形成的效果。

公开(公告)号：US20250157335A1

公开(公告)日：2025-05-15

申请号：US18538074

申请日：2023-12-13

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

Inventor： Cheol MUN

IPC: G08G1/16 ,  B60W60/00

Abstract: A cooperative maneuvering method based on infrastructure guidance including receiving a first message including a planned path from each of at least one vehicle, determining an infrastructure guidance path for the at least one vehicle based on the planned path, and transmitting a second message including the infrastructure guidance path to the at least one vehicle.

公开(公告)号：US12278705B2

公开(公告)日：2025-04-15

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 ,  H04W84/12

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

公开(公告)号：US12167333B2

公开(公告)日：2024-12-10

申请号：US17771422

申请日：2020-10-23

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

Inventor： Yong Ho Kim ,  Han Seul Hong

IPC: H04W52/02 ,  H04W4/40

Abstract: Disclosed is a method for transmitting/receiving information using WUR. A communication node comprises: a processor; a memory containing one or more instructions executed by the processor; a first transceiver operating on the basis of the one or more instructions; and a second transceiver operating on the basis of the one or more instructions.

公开(公告)号：US12137077B2

公开(公告)日：2024-11-05

申请号：US18036693

申请日：2021-11-10

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

Inventor： Yong Ho Kim

IPC: H04L61/255 ,  H04L61/103 ,  H04L101/622

Abstract: A method and a device are disclosed for address resolution protocol (ARP) operation in a communication system supporting multiple links. An operation method of a first device comprises the steps of: receiving, from a communication node, an ARP request packet requesting the transmission of a MAC address of a second device connected to the first device; finding, in an ARP table stored in the first device, a representative MAC address of the second device requested by the ARP request packet; and transmitting an ARP response packet including the representative MAC address to the communication node.

公开(公告)号：US20240334482A1

公开(公告)日：2024-10-03

申请号：US18272772

申请日：2022-01-11

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

Inventor： Yong Ho Kim ,  Ju Seong Moon

IPC: H04W74/0816 ,  H04W28/02 ,  H04W74/00

CPC classification number: H04W74/0816 ,  H04W28/0278 ,  H04W74/002

Abstract: A method and a device are disclosed for low latency communication in a communication system supporting multiple links. An operating method of a first device comprises the steps of: receiving a first initial control frame from a second device on a first link from among multiple links; performing a frame transmission/reception procedure with the second device on the first link on which the first initial control frame is received; and operating in a listening mode on one or more links from among the multiple links if the frame transmission/reception procedure is completed.

公开(公告)号：US12063547B2

公开(公告)日：2024-08-13

申请号：US17428570

申请日：2020-02-07

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

Inventor： Yong Ho Kim

IPC: H04W28/06 ,  H04L69/28 ,  H04W4/40 ,  H04W74/0833

CPC classification number: H04W28/06 ,  H04L69/28 ,  H04W4/40 ,  H04W74/085

Abstract: A method for operating a first communication node in a wireless communication network includes steps of: receiving a first frame according to a first communication protocol from a second communication node; determining whether hop count information is included in the first frame; when the hop count information is not included in the first frame, generating and transmitting a second frame according to the first communication protocol, the second frame including hop count information set to an initial value; and setting an operating state of the first communication node to a first state in which the first communication node operates according to the first communication protocol.

公开(公告)号：US20240080887A1

公开(公告)日：2024-03-07

申请号：US18385166

申请日：2023-10-30

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

Inventor： YONG HO KIM

IPC: H04W74/08 ,  H04W76/20

CPC classification number: H04W74/0808 ,  H04W76/20

Abstract: Disclosed are a method and device for transmitting and receiving data in a communication system supporting multiple links. The method of a first device comprises the steps of: performing a first backoff operation for a first AC in a first link; performing a second backoff operation for a second AC in the first link; performing a third backoff operation for a third AC in a second link; if the first backoff operation and the second backoff operation in the first link are performed successfully, selecting one AC from among the first AC and the second AC; and, if the third backoff operation is performed successfully, simultaneously performing a first transmission operation of a first frame comprising a data unit corresponding to the selected one AC in the first link and a second transmission operation of a second frame comprising a data unit corresponding to the third AC in the second link.

公开(公告)号：US20240080885A1

公开(公告)日：2024-03-07

申请号：US18388691

申请日：2023-11-10

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

Inventor： Yong Ho Kim

IPC: H04W28/06

CPC classification number: H04W28/06

Abstract: In a method and device for transmitting and receiving a response frame in a wireless system supporting multiple links, a method of a first device includes the steps of: performing a first backoff operation for a first AC in a first link; performing a second backoff operation for a second AC in a second link; “when the first backoff operation is completed and one or more conditions are met”, transmitting, in the first link, a first data frame including one or more data units corresponding to the first AC and information indicating the transmission of an ML BA frame; when the second backoff operation is completed, transmitting, in the second link, a second data frame including one or more data units corresponding to the second AC; and receiving the ML BA frame after transmitting the second data frame in the second link.

公开(公告)号：US20230345362A1

公开(公告)日：2023-10-26

申请号：US17925561

申请日：2021-05-06

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

Inventor： Yong Ho Kim

IPC: H04W52/02 ,  H04W76/15

CPC classification number: H04W52/0216 ,  H04W76/15

Abstract: A method and a device are disclosed for low-power operation-based communication in a communication system supporting a multi-link. An operation method of a first device comprises the steps of: transitioning the operating state of a first device from a sleep state to an awake state in a first link of a multi-link; receiving a beacon frame from a second device in the first link; transmitting a first PS-Poll frame to the second device in the first link if the beacon frame indicates that a data frame to be transmitted is present in the first link; and performing a transmission/reception operation for a data frame with the second device in the first link after transmitting the first PS-Poll frame.