Patents Assigned to WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
  • Patent number: 12016017
    Abstract: The present specification relates to a method, a device, and a system for transmitting a physical uplink control channel in a wireless communication system. The present specification discloses a terminal comprising: a communication module for receiving, from a base station, information on a PUCCH serving cell corresponding to a serving cell on which a PUCCH is to be transmitted, generating the PUCCH, and transmitting the generated PUCCH on the PUCCH serving cell; and a processor for configuring the PUCCH serving cell on the basis of the information on the PUCCH serving cell. The terminal can effectively transmit uplink control information.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: June 18, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Kyungjun Choi, Minseok Noh, Geunyoung Seok, Jinsam Kwak
  • Patent number: 12014744
    Abstract: The present invention relates to a method and an apparatus for binaural rendering an audio signal using variable order filtering in frequency domain. To this end, provided are a method for processing an audio signal including: receiving an input audio signal; receiving a set of truncated subband filter coefficients for filtering each subband signal of the input audio signal, the set of truncated subband filter coefficients being constituted by one or more FFT filter coefficients generated by performing FFT by a predetermined block size; generating at least one subframe for each subband; generating at least one filtered subframe for each subband; performing inverse FFT on the filtered subframe for each subband; and generating a filtered subband signal by overlap-adding the transformed subframe for each subband and an apparatus for processing an audio signal using the same.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: June 18, 2024
    Assignees: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Taegyu Lee, Hyunoh Oh, Youngcheol Park, Daehee Youn, Jeongil Seo, Yongju Lee, Seungkwon Beack, Kyeongok Kang, Daeyoung Jang
  • Patent number: 12010664
    Abstract: The present invention relates to a transmission and reception method of a radio signal by a terminal in a wireless communication system. According to the present specification, disclosed is a method comprising the steps of: determining whether or not transmission of an uplink radio signal or reception of a downlink radio signal allocated to a terminal is possible on a slot configured to comprise at least one of one or more downlink symbols for downlink transmission, one or more flexible symbols and one or more uplink symbols for uplink transmission; and controlling the transmission of the uplink radio signal or the reception of the downlink radio signal on the basis of the determination. According to the present invention, the terminal can transmit the uplink radio signal even if the configuration of the slot is changed, and thus uplink radio signal transmission omission or unnecessary retransmission of the uplink radio signal can be prevented.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: June 11, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Kyungjun Choi, Minseok Noh, Jinsam Kwak
  • Patent number: 12010762
    Abstract: 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.
    Type: Grant
    Filed: February 12, 2022
    Date of Patent: June 11, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Patent number: 12010693
    Abstract: A base station in a wireless communication system is provided. Each base station for wireless communication comprises: a communication module; and a processor. The processor is configured to determine the number of dynamic slot format information (SFI) bits based on a maximum value of a slot format combination index which can be indicated by dynamic SFI transmitted to a terminal, and monitor a physical downlink control channel (PDCCH) including the dynamic SFI based on the number of the dynamic SFI bits. The slot format combination index identifies a slot format combination configured for the terminal. The slot format combination indicates a type of a symbol included in one or more slots, and the type of the symbol is one among a downlink symbol, an uplink symbol, and a flexible symbol.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: June 11, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Kyungjun Choi, Minseok Noh, Jinsam Kwak
  • Patent number: 12004190
    Abstract: A method for receiving downlink transmission by a terminal comprises the steps of: performing uplink transmission, which is related to channel occupancy shared between a base station and the terminal, to the base station; and receiving, from the base station, downlink transmission performed after a gap from a time point at which the base station has received the uplink transmission, wherein the downlink transmission is performed on the basis of channel access performed by the base station, the channel access is performed on the basis of the gap, and information included in the downlink transmission and a resource through which the downlink transmission is performed are determined on the basis of whether the base station has configured, for the terminal, a threshold value of energy detection for the channel occupancy.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: June 4, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Kyungjun Choi, Jinsam Kwak
  • Patent number: 12004262
    Abstract: 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.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: June 4, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Patent number: 12004161
    Abstract: A base station of a wireless communication system is disclosed. The base station of the wireless communication includes a communication module; and a processor configured to control the communication module. The processor receives a radio resource control (RRC) signal from a base station of the wireless communication system through the communication module and determines a time-frequency resource corresponding to at least one resource-set indicated by the RRC signal. The processor receives a physical control channel from the base station through the communication module, determines a time-frequency resource domain in which physical data channel reception of the terminal is scheduled by the physical control channel, and receives a physical data channel based on a time-frequency resource in which the physical data channel reception of the terminal is scheduled and a time-frequency resource in which the at least one resource-set overlap. The resource-set is a set of time-frequency resources.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: June 4, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Kyungjun Choi, Minseok Noh, Jinsam Kwak
  • Patent number: 11997682
    Abstract: The present specification relates to a device and method for transmitting an uplink control channel in a wireless communication system. Disclosed in the present specification is a method for transmitting a physical uplink control channel by means of a UE, the method including: a step for generating a first HARQ-ACK codebook related to a first PUCCH; a step for generating a second HARQ-ACK codebook related to a second PUCCH; and a step for transmitting simultaneously the first PUCCH and the second PUCCH or one PUCCH among the first PUCCH and the second PUCCH to a base station in one slot on the basis of a plurality of indicators. According to the present embodiments, the sequence for transmitting a plurality of PUCCHs including respectively different HARQ-ACKs in one slot is clarified, and thus the targeted performance of a 5G wireless communication system intended to simultaneously provide various types of traffic (eURLLC, eMBB) can be achieved.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: May 28, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Kyungjun Choi, Minseok Noh, Jinsam Kwak
  • Patent number: 11991032
    Abstract: 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 PPD U (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.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: May 21, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11991031
    Abstract: 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 PPD U (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.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: May 21, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11991655
    Abstract: A base station in a wireless communication system is disclosed. Each base station in the wireless communication comprises: a communication module; and a processor. When the processor attempts to transmit a synchronization signal and PBCH block (SSB) at a SSB transmission candidate position in a discovery reference signal (DRS) transmission window, and fails to transmit an SSB at a first SSB transmission candidate location in a first DRS transmission window, the processor is configured to attempt to transmit the SSB at a second SSB transmission candidate position that is later than the first SSB transmission candidate position in the first DRS transmission window. The DRS transmission window is a time interval in which the base station can transmit the SSB. The SSB transmission candidate position indicates a time point at which the base station can start SSB transmission within the DRS transmission window.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: May 21, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Kyungjun Choi, Jinsam Kwak
  • Patent number: 11991746
    Abstract: The present invention provides a method, device, and system for adjusting a contention window size for performing channel access. The method includes: receiving uplink scheduling information on the uplink transmission including a new data indicator (NDI) associated with a specific subframe in a first uplink transmission burst; determining a contention window size based on the NDI; generating a random number N (N?0) in the determined contention window size based on the NDI associated with the specific subframe; and performing the uplink transmission on the specific cell after sensing a channel on the specific cell at least for N slots while the channel on the specific cell is idle. If the NDI is toggled, the contention window size is reset to a minimum value, and if the NDI is not toggled, the contention window size is increased to a next higher allowed value.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: May 21, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Jinsam Kwak, Juhyung Son
  • Patent number: 11979876
    Abstract: Disclosed is a method by which a terminal transmits a physical uplink shared channel (PUSCH) to a base station in a wireless communication system. The terminal can receive, from the base station, configuration information for allocating a resource for transmitting a transport block (TB) through the PUSCH, and map the TB to a plurality of slots constituting the resource on the basis of the configuration information. Thereafter, the terminal can transmit the TB on the plurality of slots through the PUSCH.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: May 7, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Geunyoung Seok, Kyungjun Choi, Minseok Noh, Juhyung Son, Jinsam Kwak
  • Patent number: 11979772
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: May 7, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11979771
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: May 7, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11974140
    Abstract: A user equipment of a wireless communication system is disclosed. The user equipment includes a communication module, and a processor. The processor is configured to transmit a radio frame divided into a plurality of subframes through the communication module, and perform a UL transmission in a partial subframe having a duration shorter than one subframe duration to the base station based on at least one of an indication of a base station and a result of a channel access of the wireless communication system.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: April 30, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Jinsam Kwak, Juhyung Son
  • Patent number: 11973701
    Abstract: A method for performing an uplink transmission to a base station by a user equipment through an unlicensed cell in a wireless communication system is provided. The method includes: receiving an uplink grant that schedules the uplink transmission in at least one subframe from the base station; and performing the uplink transmission in the at least one subframe using at least one of a first type channel access or a second type channel access. The uplink transmission is performed using the second type channel access when all of the at least one subframe is included in a predetermined interval determined based on a downlink transmission through the unlicensed cell from the base station.
    Type: Grant
    Filed: April 2, 2022
    Date of Patent: April 30, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Jinsam Kwak, Juhyung Son
  • Patent number: 11968680
    Abstract: The present invention relates to a method for performing uplink transmission to a base station through an unlicensed cell in a wireless communication system, in particular, the invention provides a method including: receiving, from the base station, an uplink grant scheduling the uplink transmission on one or more subframes; and performing the uplink transmission on the one or more subframes using one of a first type channel access or a second type channel access indicated in the uplink grant, wherein a parameter for the first type channel access is determined according to a priority included in the uplink grant, and wherein when the uplink grant indicates the second type channel access, the priority is a priority used in a downlink channel access of the base station.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: April 23, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Jinsam Kwak, Juhyung Son
  • Patent number: 11963119
    Abstract: A base station in a wireless communication system is disclosed. Each base station in the wireless communication comprises: a communication module; and a processor. When the processor attempts to transmit a synchronization signal and PBCH block (SSB) at a SSB transmission candidate position in a discovery reference signal (DRS) transmission window, and fails to transmit an SSB at a first SSB transmission candidate location in a first DRS transmission window, the processor is configured to attempt to transmit the SSB at a second SSB transmission candidate position that is later than the first SSB transmission candidate position in the first DRS transmission window. The DRS transmission window is a time interval in which the base station can transmit the SSB. The SSB transmission candidate position indicates a time point at which the base station can start SSB transmission within the DRS transmission window.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: April 16, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Minseok Noh, Kyungjun Choi, Jinsam Kwak