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公开(公告)号：US11375537B2
公开(公告)日：2022-06-28
申请号：US16945934
申请日：2020-08-03
发明人： Juhyung Son , Geonjung Ko , Jinsam Kwak , Woojin Ahn
IPC分类号： H04W74/00 , H04W84/12 , H04W74/08 , H04W28/04 , H04W28/06 , H04W24/02 , H04B7/26 , H04L27/26 , H04L69/22 , H04W52/50
摘要： Provided is a wireless communication terminal. The wireless communication terminal includes a transceiver; and a processor. The processor is configured to receive a signaling field of a first PLCP Protocol Data Unit (PPDU) through the transceiver, and access a channel based on information identifying a Basic Service Set (BSS) indicated by the signaling field.
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62.发明授权公开(公告)号：US11368987B2
公开(公告)日：2022-06-21
申请号：US17127008
申请日：2020-12-18
发明人： Geonjung Ko , Juhyung Son , Woojin Ahn , Jinsam Kwak
IPC分类号： H04L5/00 , H04W72/04 , H04W84/12 , H04W74/00 , H04W74/08 , H04L27/26 , H04L1/00 , H04L1/16 , H04W28/06
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.
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公开(公告)号：US11343630B2
公开(公告)日：2022-05-24
申请号：US17197047
申请日：2021-03-10
发明人： Hyunoh Oh , Taegyu Lee , Jinsam Kwak , Juhyung Son
摘要： The present invention relates to a method and an apparatus for processing an audio signal, and more particularly, to a method and an apparatus for processing an audio signal, which synthesize an object signal and a channel signal and effectively perform binaural rendering of the synthesized signal.
To this end, provided are a method for processing an audio signal, which includes: receiving an input audio signal including a multi-channel signal; receiving truncated subband filter coefficients for filtering the input audio signal, the truncated subband filter coefficients being at least some of subband filter coefficients obtained from binaural room impulse response (BRIR) filter coefficients for binaural filtering of the input audio signal and the length of the truncated subband filter coefficients being determined based on filter order information obtained by at least partially using reverberation time information extracted from the corresponding subband filter coefficients; obtaining vector information indicating the BRIR filter coefficients corresponding to each channel of the input audio signal; and filtering each subband signal of the multi-channel signal by using the truncated subband filter coefficients corresponding to the relevant channel and subband based on the vector information and an apparatus for processing an audio signal by using the same.-
公开(公告)号：US11297636B2
公开(公告)日：2022-04-05
申请号：US16904556
申请日：2020-06-18
发明人： Minseok Noh , Jinsam Kwak , Juhyung Son
IPC分类号： H04L5/00 , H04W72/12 , H04L27/26 , H04L5/14 , H04W84/12 , H04W16/14 , H04W72/04 , H04W74/08 , H04W88/06
摘要： Disclosed are a method, an apparatus, and a system for performing channel access. In detail, provided are a method including: receiving uplink scheduling information; and when the user equipment has stopped an uplink transmission during the uplink transmission being performed according to the uplink scheduling information, to resume the uplink transmission, performing a second type channel access when a channel sensed by the user equipment is continuously idle after the uplink transmission has been stopped, and performing a first type channel access when the channel sensed by the user equipment is not continuously idle after the uplink transmission has been stopped, wherein the first type channel access comprises performing a random backoff after a channel sensing, and the second type channel access only comprises performing a channel sensing and an apparatus and a system therefor.
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公开(公告)号：US11283570B2
公开(公告)日：2022-03-22
申请号：US16844817
申请日：2020-04-09
发明人： Juhyung Son , Jinsam Kwak , Geonjung Ko
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.
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公开(公告)号：US11240166B2
公开(公告)日：2022-02-01
申请号：US16908335
申请日：2020-06-22
发明人： Jinsoo Ahn , Yongho Kim , Jinsam Kwak , Juhyung Son
IPC分类号： H04L12/873 , H04W74/00 , H04L1/18 , H04L1/16 , H04L12/869 , H04L12/865 , H04W74/08 , H04W84/12
摘要： The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling uplink multi-user transmission.
To this end, provided are a base wireless communication terminal, including: a transceiver configured to transmit and receive a wireless signal; and a processor configured to control an operation of the transceiver, wherein the processor selects an access category for transmitting a trigger frame which solicits an uplink multi-user transmission, performs a backoff procedure for transmitting the trigger frame based on the selected access category, and transmits the trigger frame when a backoff counter of the backoff procedure expires and a wireless communication method using the same.-
公开(公告)号：US11196513B2
公开(公告)日：2021-12-07
申请号：US16851078
申请日：2020-04-16
发明人： Juhyung Son , Jinsam Kwak , Geonjung Ko , Woojin Ahn
IPC分类号： H04L1/16 , H04L1/00 , H04L1/18 , H04L29/06 , H04L5/00 , H04W84/12 , H04W72/12 , H04L1/06 , H04L29/08
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.
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68.发明授权公开(公告)号：US11140718B2
公开(公告)日：2021-10-05
申请号：US16595405
申请日：2019-10-07
发明人： Woojin Ahn , Yongho Kim , Jinsam Kwak , Juhyung Son
摘要： The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling simultaneous uplink transmissions of a plurality of terminals.
To this end, provided are a wireless communication terminal, the terminal including: a transceiver; and a processor, wherein the processor receives, through the transceiver, a trigger frame transmitted by a base wireless communication terminal, and performs a multi-user uplink transmission based on the received trigger frame, wherein the trigger frame includes a predetermined field indicating whether an additional trigger frame is present or not, and a wireless communication method using the same.-
公开(公告)号：US11140556B2
公开(公告)日：2021-10-05
申请号：US16812375
申请日：2020-03-09
发明人： Geonjung Ko , Juhyung Son , Jinsam Kwak , Woojin Ahn
IPC分类号： H04W16/02 , H04W52/14 , H04W28/20 , H04W52/34 , H04W84/12 , H04W72/04 , H04W88/02 , H04W52/24 , H04W24/08
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.
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公开(公告)号：US11102778B2
公开(公告)日：2021-08-24
申请号：US16399973
申请日：2019-04-30
发明人： Woojin Ahn , Yongho Kim , Jinsam Kwak , Juhyung Son
摘要： Provided is a wireless communication terminal including a transceiver for transmitting/receiving a wireless signal and a processor for controlling an operation of the wireless communication terminal. The transceiver receives a first frame indicating information on a resource that a base wireless communication terminal allocates to a plurality of wireless communication terminals from the base wireless communication terminal, and transmits data to the base wireless communication terminal based on the first frame. The plurality of wireless communication terminals include the wireless communication terminal.
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