公开(公告)号：US11122496B2

公开(公告)日：2021-09-14

申请号：US16792166

申请日：2020-02-14

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Geonjung Ko ,  Juhyung Son ,  Jinsam Kwak ,  Woojin Ahn

IPC分类号： H04W48/08 ,  H04L12/46 ,  H04W48/16 ,  H04W74/00 ,  H04W88/08 ,  H04W84/12 ,  H04W74/08 ,  H04W48/12 ,  H04W48/20

摘要： Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The processor is configured to receive a frame through the transceiver, determine whether the frame is classified into an Intra-Basic Service Set (BSS) frame or an Inter-BSS frame according to a BSS from which the frame is transmitted, and access a channel according to whether the frame is an Intra-BSS frame or an Inter-BSS frame.

公开(公告)号：US10966251B2

公开(公告)日：2021-03-30

申请号：US16361283

申请日：2019-03-22

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Woojin Ahn ,  Juhyung Son ,  Jinsam Kwak ,  Geonjung Ko

IPC分类号： H04W74/08 ,  H04W84/12 ,  H04W74/00 ,  H04B7/0452

摘要： The present invention relates to a wireless communication terminal and a wireless communication method for a multi-user EDCA operation, and more particularly, to a wireless communication terminal and a wireless communication method for performing a combination of a legacy EDCA operation and a multi-user EDCA operation. To this end, provided are a wireless communication terminal including: a communication unit; and a processor configured to control transmission and reception of a wireless signal through the communication unit, wherein the processor updates enhanced distributed channel access (EDCA) parameters for channel access, the EDCA parameters being updated based on an EDCA parameter set selected from a first EDCA parameter set and a second EDCA parameter set, and performs channel access based on the updated EDCA parameters and a wireless communication method using the same.

公开(公告)号：US20200235882A1

公开(公告)日：2020-07-23

申请号：US16844807

申请日：2020-04-09

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Juhyung SON ,  Jinsam Kwak ,  Geonjung Ko

IPC分类号： H04L5/00 ,  H04L27/26 ,  H04W72/04

摘要： A wireless communication terminal is disclosed. The wireless communication terminal includes a transceiver configured to transmit/receive a wireless signal; and a processor configured to control an operation of the wireless communication terminal. The transceiver transmits a training signal to a base wireless communication terminal based on a sub-frequency band allocated from the base wireless communication terminal, and transmits data to the base wireless communication terminal through the sub-frequency band allocated from the base wireless communication terminal. The training signal is used, by the base wireless communication terminal, for receiving the data from the wireless communication terminal.

公开(公告)号：US20200213860A1

公开(公告)日：2020-07-02

申请号：US16812375

申请日：2020-03-09

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Geonjung Ko ,  Juhyung Son ,  Jinsam Kwak ,  Woojin Ahn

IPC分类号： H04W16/02 ,  H04W52/14 ,  H04W28/20 ,  H04W52/34

摘要： The present invention relates to a wireless communication method and a wireless communication terminal for a spatial reuse operation of an overlapping basic service set, and more particularly, to a wireless communication method and a wireless communication terminal for supporting a spatial reuse operation of an overlapping basic service set to efficiently use a wireless resource. To this end, provided are a wireless communication terminal including: a processor; and a communication unit, wherein the processor receives a trigger frame indicating an uplink multi-user transmission, and transmits a trigger-based PHY protocol data unit (PPDU) in response to the received trigger frame, wherein the trigger-based PPDU comprises a spatial reuse parameter for spatial reuse operation of an overlapping basic service set (OBSS) terminal and a wireless communication method using the same.

公开(公告)号：US10660139B2

公开(公告)日：2020-05-19

申请号：US16503486

申请日：2019-07-04

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Woojin Ahn ,  Juhyung Son ,  Geonjung Ko ,  Jinsam Kwak

IPC分类号： H04W4/00 ,  H04W74/08 ,  H04B7/0417 ,  H04B7/06 ,  H04W84/12

摘要： Provided is a wireless communication terminal that wirelessly communicates. the wireless communication terminal includes: a transceiver for transmitting and receiving a wireless signal; and a processor for processing the wireless signal. The processor is configured to perform a transmission based on a transmission opportunity (TXOP) limit which is a maximum value of a TXOP, which is a time interval in which a wireless communication terminal has a right to initiate a frame exchange sequence in a wireless medium.

公开(公告)号：US20200028724A1

公开(公告)日：2020-01-23

申请号：US16584789

申请日：2019-09-26

申请人： Wilus Institute Of Standards And Technology Inc. ,  SK Telecom Co., Ltd.

发明人： Juhyung Son ,  Jinsam Kwak ,  Geonjung Ko

IPC分类号： H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04W72/04

摘要： A wireless communication terminal is disclosed. The wireless communication terminal includes a transceiver transmitting/receiving a wireless signal, and a processor controlling an operation of the wireless communication terminal. The transceiver obtains a signaling field from a physical frame including data to be transmitted from a base wireless communication terminal to each of a plurality of wireless communication terminals including the wireless communication terminal, and receives, from the physical frame based on the signaling field, the data having been transmitted from the base wireless communication terminal to the wireless communication terminal. The signaling field signals information about the plurality of wireless communication terminals. The base wireless communication terminal is any one wireless communication terminal different from the plurality of wireless communication terminals.

公开(公告)号：US12126448B2

公开(公告)日：2024-10-22

申请号：US18244200

申请日：2023-09-08

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Juhyung Son ,  Jinsam Kwak ,  Geonjung Ko ,  Woojin Ahn

IPC分类号： H04L1/1607 ,  H04L1/00 ,  H04L1/1829 ,  H04L5/00 ,  H04L69/22 ,  H04W84/12 ,  H04L1/06 ,  H04L69/324 ,  H04W72/12

CPC分类号： H04L1/1621 ,  H04L1/0031 ,  H04L1/1854 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0055 ,  H04L69/22 ,  H04W84/12 ,  H04L1/0003 ,  H04L1/0643 ,  H04L1/1685 ,  H04L69/324 ,  H04W72/12

摘要： Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The processor is configured to receive a Downlink Multi-User (DL MU) PPDU including information for an Uplink Multi-User (UL MU) transmission from a base wireless communication terminal by using the transceiver, and transmit the UL MU PPDU to the base wireless communication terminal based on the information for UL MU transmission.

公开(公告)号：US12096471B2

公开(公告)日：2024-09-17

申请号：US18219644

申请日：2023-07-07

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Geonjung Ko ,  Juhyung Son ,  Woojin Ahn ,  Jinsam Kwak

IPC分类号： H04W74/08 ,  H04L1/00 ,  H04L1/16 ,  H04L5/00 ,  H04L27/26 ,  H04W28/06 ,  H04W72/0446 ,  H04W72/51 ,  H04W74/00 ,  H04W74/0833 ,  H04W84/12

CPC分类号： H04W74/08 ,  H04L1/00 ,  H04L1/16 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2603 ,  H04L27/2666 ,  H04W28/06 ,  H04W72/0446 ,  H04W72/51 ,  H04W74/00 ,  H04W74/0858 ,  H04W84/12 ,  H04L5/0048 ,  H04L27/26025

摘要： Provided is a wireless communication terminal that wirelessly communicates with a base wireless communication terminal. The wireless communication terminal includes a transceiver, and a processor. The processor is configured to set an integer selected from a range of 0 to a value equal to or smaller than an OFDMA Contention Window (OCW) as a counter for random access, receive a trigger frame for triggering random access using one or more resource units (RUs) allocated for the random access from the base wireless communication terminal using the transceiver, decrement a value of the counter based on the one or more RUs allocated for the random access, randomly select one RU based on the one or more RUs allocated for the random access when the value of the counter is 0 or reaches 0, and attempt transmission to the base wireless communication terminal using the selected RU.

公开(公告)号：US12052194B2

公开(公告)日：2024-07-30

申请号：US18195379

申请日：2023-05-10

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Juhyung Son ,  Jinsam Kwak ,  Geonjung Ko

IPC分类号： H04L5/00 ,  H04L27/26 ,  H04W72/04 ,  H04W72/0446 ,  H04W72/0453

CPC分类号： H04L5/0048 ,  H04L5/00 ,  H04L5/0053 ,  H04L27/26 ,  H04L27/2613 ,  H04W72/0446 ,  H04W72/0453 ,  H04L27/26132

摘要： A wireless communication terminal is disclosed. The wireless communication terminal includes a transceiver configured to transmit/receive a wireless signal; and a processor configured to control an operation of the wireless communication terminal. The transceiver transmits a training signal to a base wireless communication terminal based on a sub-frequency band allocated from the base wireless communication terminal, and transmits data to the base wireless communication terminal through the sub-frequency band allocated from the base wireless communication terminal. The training signal is used, by the base wireless communication terminal, for receiving the data from the wireless communication terminal.

公开(公告)号：US12004262B2

公开(公告)日：2024-06-04

申请号：US17670419

申请日：2022-02-11

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Geonjung Ko ,  Woojin Ahn ,  Juhyung Son ,  Jinsam Kwak

IPC分类号： H04W80/08 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/08 ,  H04W76/11

CPC分类号： H04W80/08 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/0866 ,  H04W76/11

摘要： Provided is a wireless communication terminal that wirelessly communicates. The wireless communication terminal includes a transceiver configured to transmit and receive wireless signals; and a processor configured to process the wireless signals. The processor is configured to: generate a trigger frame for triggering uplink transmission based random access of at least one wireless communication terminal, and insert the trigger frame into a physical layer protocol data unit (PPDU) to transmit the PPDU.