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1.发明公开公开(公告)号：US20240334509A1
公开(公告)日：2024-10-03
申请号：US18577987
申请日：2022-07-12
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM , Ju Seong MOON
Abstract: A method and a device for direct communication in a communication system supporting multiple links are disclosed. A method of an AP MLD comprises the steps of: transmitting a trigger frame in multiple links including a first link and a second link; receiving a response frame for the trigger frame from a first STA associated with an STA MLD in the first link; receiving a first data frame from a third STA in the second link; and when a subject to receive the first data frame is a second STA associated with the STA MLD, transmitting a second data frame generated on the basis of the first data frame, to the first STA in the first link.
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公开(公告)号：US20210092678A1
公开(公告)日：2021-03-25
申请号：US17115404
申请日：2020-12-08
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Yong Ho KIM , Sung Hyun HWANG , Igor KIM , Seung Keun PARK
Abstract: Disclosed is a method for operating a communication node supporting a low power mode in a wireless LAN. A method for operating a station, which includes a PCR and a WURx, comprises the steps of: allowing the WURx, which operates in a wake-up state, to receive a wake-up packet from an access point; transitioning an operating state of the PCR from a sleep state to the wake-up state when the wake-up packet is received; allowing the PCR, which operates in the wake-up state, to receive a data frame from an access point; and allowing the PCR to transmit, to the access point, a response to the data frame.
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公开(公告)号：US20240284491A1
公开(公告)日：2024-08-22
申请号：US18561197
申请日：2022-05-24
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
IPC: H04W72/40 , H04W28/02 , H04W72/0446 , H04W74/0833 , H04W84/12
CPC classification number: H04W72/40 , H04W28/0252 , H04W72/0446 , H04W74/0833 , H04W84/12
Abstract: A method and a device for shard communication in a wireless LAN are disclosed. A method of a first STA comprises the steps of: receiving a first frame for allocation of a shared communication period from an AP; identifying the shared communication period on the basis of one or more fields included in the first frame; and performing shared communication with a second STA in the shared communication period, wherein the shared communication period is configured within a TXOP configured between the AP and a third STA.
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4.发明申请公开(公告)号：US20220322473A1
公开(公告)日：2022-10-06
申请号：US17626423
申请日：2020-07-10
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC CORPORATION FOUNDATION
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Su Na CHOI , Yong Ho KIM , Yong Su GWAK
Abstract: The present invention relates to a method for operating a first communication node in a wireless local area network (WLAN) supporting a multi-link operation, comprising the steps of: setting a first transmit window size of a first link for transmitting a plurality of frames to a second communication node; transmitting the plurality of frames through the first link; when the state of a channel detected through channel sensing in the second link is an idle state, setting a transmit opportunity (TXOP) in the channel; and when the transmit opportunity is set, performing an agreement with the second communication node on the size of a second transmit window for transmitting the plurality of frames. Therefore, it is possible to improve the performance of a communication system.
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公开(公告)号：US20200275373A1
公开(公告)日：2020-08-27
申请号：US16612329
申请日：2018-05-08
Inventor： Sung Hyun HWANG , Seung Keun PARK , Yong Ho KIM
IPC: H04W52/02
Abstract: An operation method of a communication node for supporting a low power mode in a wireless LAN is disclosed. A method for operating an access point comprises: a step of transmitting a CTS frame to protect transmission of a wake-up packet, a step of transmitting the wake-up packet to wake up a station including PCR and WURx; and a step of transmitting a data frame to the station. Therefore, the performance of the communication system can be improved.
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Patent Agency Ranking
公开(公告)号：US20200015165A1
公开(公告)日：2020-01-09
申请号：US16506831
申请日：2019-07-09
Inventor： Sung Hyun HWANG , Kyu Min KANG , Sung Jin YOO , Su Na CHOI , Jae Cheol PARK , Yong Ho KIM
Abstract: Disclosed are a low-power communication method and a low-power communication apparatus in a communication system. A low-power station may comprise a processor; a memory storing at least one instruction executable by the processor; a receiver for receiving a WUR PPDU according to the at least one instruction; and a transceiver for transmitting and receiving a legacy PPDU according to the at least one instruction, and the at least one instruction may be configured to cause the receiver to receive a WUR wake-up frame from the access point in an on-duration within a WUR duty cycle period; when the WUR wake-up frame is received, cause the processor to transmit a first signal requesting wake-up to the transceiver; and when the first signal is received, cause the transceiver to transition from a sleep state to a wake-up state at a TWT configured between the access point and the low-power station.
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7.发明公开公开(公告)号：US20230156795A1
公开(公告)日：2023-05-18
申请号：US17916406
申请日：2021-04-02
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 , Han Seul HONG
IPC: H04W74/08
CPC classification number: H04W74/0816 , H04W84/12
Abstract: Disclosed are a method and apparatus for transmitting and receiving data in a communication system supporting multiple links. A method for operation of a first device comprises the steps of: transmitting, in a first link from among multiple links, a first RTS frame to a second device; receiving, from the second device in the first link, a first CTS frame that is a response to the first RTS frame; when the first CTS frame is received, transmitting, in the first link, a first data frame to the second device; and transmitting, in a second link during transmission of the first data frame, a second RTS frame to the second device.
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8.发明公开公开(公告)号：US20240340975A1
公开(公告)日：2024-10-10
申请号：US18578703
申请日：2022-07-19
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
IPC: H04W74/0833 , H04L1/00 , H04W74/08 , H04W74/0816
CPC classification number: H04W74/085 , H04L1/0008 , H04W74/0816 , H04W74/0891
Abstract: A method and apparatus for NSTR communication in a communication system supporting multiple links are disclosed. A method for a first device comprises the steps of: if a first backoff operation has succeeded on a first link belonging to a first pair of NSTR links on which an STR operation of a second device is not supported, transmitting a first data frame to the second device on the first link; performing a second backoff operation for transmission of a second data frame on a second link belonging to the first pair of NSTR links; if the second backoff operation has succeeded on the second link, identifying whether or not a transmission operation of the second device is performed on the first link belonging to the pair of NSTR links; and transmitting the second data frame to the second device on the second link.
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公开(公告)号：US20240340950A1
公开(公告)日：2024-10-10
申请号：US18291550
申请日：2022-08-11
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
IPC: H04W74/0816
CPC classification number: H04W74/0816
Abstract: Disclosed are a method and device for bidirectional communication in a wireless LAN. The method of a first STA comprises the steps of: receiving, from an AP, a first frame including an information element indicating TXOP sharing; confirming a shared TXOP duration on the basis of the first frame; and communicating with a second STA within the shared TXOP duration.
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公开(公告)号：US20220338251A1
公开(公告)日：2022-10-20
申请号：US17761029
申请日：2020-09-16
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 , Su Na CHOI , Yong Ho KIM , Yong Su GWAK
IPC: H04W74/04 , H04W74/00 , H04B7/0452
Abstract: A method for sharing a multilink in a next-generation wireless LAN is disclosed. An operation method of a first communication node comprises the steps of: setting a transmission interval; communicating with a second communication node by using a first link and a second link in the transmission interval; sharing the transmission interval with a third communication node; and communicating with the second communication node by using the first link in the transmission interval.
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