公开(公告)号：US11523464B2

公开(公告)日：2022-12-06

申请号：US17383475

申请日：2021-07-23

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： H04W80/02 ,  H04W74/00 ,  H04W84/12 ,  H04W74/08 ,  H04L5/00 ,  H04W28/02 ,  H04W40/24 ,  H04W72/04

摘要： Provided is a wireless communication terminal that communicates wirelessly. The wireless communication terminal includes a transceiver and a processor for processing a radio signal received through the transceiver or a radio signal to be transmitted through the transceiver. The processor accesses a channel according to according to a priority of data to be transmitted to the base communication terminal by the wireless communication terminal.

公开(公告)号：US11503636B2

公开(公告)日：2022-11-15

申请号：US17113029

申请日：2020-12-05

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 ,  H04W84/12 ,  H04W40/00 ,  H04W72/04 ,  H04W88/08 ,  H04W80/02

摘要： The present invention relates 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 base wireless communication terminal including: a processor; and a communication unit, wherein the processor receives a PHY protocol data unit (PPDU) through the communication unit, determines whether the PPDU contains an intra-BSS frame or contains an inter-BSS frame based on preamble information of the PPDU, and performs either a first operation or a second operation distinct from each other according to a determination result and a wireless communication method using the same.

公开(公告)号：US11477844B2

公开(公告)日：2022-10-18

申请号：US15739162

申请日：2016-06-29

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： H04W80/08 ,  H04L5/00 ,  H04W72/04 ,  H04W74/00 ,  H04W74/08 ,  H04W80/02 ,  H04L27/26 ,  H04W24/08 ,  H04W84/12

摘要： In order to efficiently schedule data transmission of a plurality of terminals, the wireless communication terminal receives a trigger frame indicating uplink multi-user transmission, and transmits an uplink multi-user PPDU (PLCP Protocol Data Unit) in response to the received trigger frame. In this case, the trigger frame and the non-legacy preamble of the uplink multi-user PPDU include remaining TXOP (Transmission Opportunity) time information of the uplink multi-user transmission process.

公开(公告)号：US11470595B2

公开(公告)日：2022-10-11

申请号：US16868525

申请日：2020-05-06

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： H04W72/04 ,  H04W74/08 ,  H04W84/12 ,  H04L27/26 ,  H04L5/00 ,  H04W74/00 ,  H04L1/00 ,  H04L65/40 ,  H04W52/02

摘要： The present invention relates to a wireless communication method and a wireless communication terminal using a non-contiguous channel. To this end, provided are a wireless communication terminal including a processor and a transceiver, wherein the processor receives a wireless packet through the communication unit, obtains total bandwidth information indicated via a bandwidth field of HE-SIG-A of the received packet, obtains information of an unassigned resource unit via at least one of the bandwidth field of the HE-SIG-A and a subfield of HE-SIG-B of the received packet, and decodes the received packet based on the total bandwidth information and the information of the unassigned resource unit and a wireless communication method using the same.

公开(公告)号：US11445546B2

公开(公告)日：2022-09-13

申请号：US17101755

申请日：2020-11-23

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

摘要： Provided are a wireless communication terminal including: a processor; and a communication unit, wherein the processor obtains a backoff counter for an OFDMA-based random access of the terminal, wherein the backoff counter is obtained within a range of a contention window for the uplink OFDMA-based random access, receives a trigger frame indicating an uplink multi-user transmission, when one or more resource unit(s) in which random access can be performed is indicated by the trigger frame, decrements the backoff counter based on a number of resource units(s) in which random access can be performed, and when the backoff counter is 0 or decremented to 0, performs an uplink multi-user transmission through a selected resource unit among the resource units(s) and a wireless communication method using the same.

公开(公告)号：US11356947B2

公开(公告)日：2022-06-07

申请号：US16868536

申请日：2020-05-07

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： H04W52/02 ,  H04W74/08 ,  H04W84/12 ,  H04L27/26 ,  H04L5/00 ,  H04L29/08 ,  H04W74/00 ,  H04L1/00 ,  H04W72/04 ,  H04L65/40

摘要： The present invention relates to a wireless communication method and a wireless communication terminal using a non-contiguous channel. To this end, provided are a wireless communication terminal including a processor and a transceiver, wherein the processor receives a wireless packet through the communication unit, obtains total bandwidth information indicated via a bandwidth field of HE-SIG-A of the received packet, obtains information of an unassigned resource unit via at least one of the bandwidth field of the HE-SIG-A and a subfield of HE-SIG-B of the received packet, and decodes the received packet based on the total bandwidth information and the information of the unassigned resource unit and a wireless communication method using the same.

公开(公告)号：US20220123867A1

公开(公告)日：2022-04-21

申请号：US17567078

申请日：2021-12-31

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： H04L1/16 ,  H04W84/12 ,  H04L5/00 ,  H04L1/00 ,  H04L1/18 ,  H04L69/22

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：US11290233B2

公开(公告)日：2022-03-29

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 ,  H04W72/04 ,  H04L27/26

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：US11171695B2

公开(公告)日：2021-11-09

申请号：US16798197

申请日：2020-02-21

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： H04L23/02 ,  H04B7/0452 ,  H04B7/02 ,  H04L5/00

摘要： The present invention relates to a wireless communication method and a wireless communication terminal for signaling a multi-user packet. More specifically, provided are a wireless communication terminal including a communication unit; and a processor configured to process signals transmitted and received through the communication unit, wherein the processor receives, through the communication unit, a high efficiency multi-user PHY protocol data unit (HE MU PPDU), wherein a preamble of the HE MU PPDU includes high efficiency signal A field (HE-SIG-A) and high efficiency signal B field (HE-SIG-B), and decodes the received HE MU PPDU based on information obtained from the HE-SIG-A, wherein a configuration of the HE-SIG-B is identified based on information obtained from at least one subfield of the HE-SIG-A and a wireless communication method using the same.

公开(公告)号：US20210315015A1

公开(公告)日：2021-10-07

申请号：US17238199

申请日：2021-04-22

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

发明人： Minseok NOH ,  Jinsam KWAK ,  Juhyung Son ,  Geonjung Ko

IPC分类号： H04W74/08 ,  H04L27/26 ,  H04L5/00 ,  H04W84/12

摘要： Disclosed are a method, an apparatus, and a system for transmitting a signal using multiple carriers. In detail, provided are a wireless communication apparatus including a communication module; and a processor, wherein the processor obtains a common back-off counter for a carrier set on which data is to be transmitted, wherein the carrier set includes at least one component carrier, performs back-off of each of the component carriers using the obtained common back-off counter, and simultaneously transmits data through at least one component carrier in which the back-off is completed and a wireless communication method using the same.