Patents by Inventor Yuki MATSUMURA

Yuki MATSUMURA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230389038
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives TCI state information indicating a plurality of transmission configuration indication (TCI) states applicable to a plurality of kinds of channels and receives downlink control information indicating resources of one or more channels, and a control section that determines a first TCI state applied to a signal after the one or more channels and determines a second TCI state applied to the one or more channels, on the basis of the TCI state information and the downlink control information. According to an aspect of the present disclosure, the information related to QCL can be appropriately determined.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379936
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives TCI state information indicating a plurality of transmission configuration indication (TCI) states applicable to a plurality of kinds of channels and receives downlink control information, and a control section that determines one of the plurality of TCI states on the basis of the downlink control information and does not use the downlink control information for scheduling a channel. According to an aspect of the present disclosure, the information related to QCL can be appropriately determined.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379900
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a plurality of configured grant configurations; and a control section that uses one or more spatial relations for transmission based on each of the plurality of configured grant configurations. According to an aspect of the present disclosure, it is possible to appropriately determine a QCL parameter used for a configured grant transmission.
    Type: Application
    Filed: October 9, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379902
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a TCI list indicating a plurality of transmission configuration indication (TCI) states applicable to multiple types of channels, that receives an update list indicating a plurality of serving cells, and that receives indication information to indicate one or more TCI states out of the plurality of TCI states in one of the plurality of serving cells, and a control section that applies the one or more TCI states to the multiple types of channels in the plurality of serving cells. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: October 16, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379835
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information indicating a plurality of transmission configuration indication (TCI) states applicable to multiple types of channels and that receives indication information indicating one TCI state out of the plurality of TCI states, and a control section that applies the one TCI state to the multiple types of channels and that applies, to an uplink channel out of the multiple types of channels, one power control parameter corresponding to the one TCI state out of a plurality of power control parameters, the plurality of power control parameters being associated with the plurality of respective TCI states. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: October 16, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC
    Inventors: Yuki Matsumura, Satoshi Nagata
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379932
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives first downlink control information indicating a transmission configuration indication (TCI) state applicable to multiple types of channels, and a control section that applies the TCI state to the multiple types of channels after timing at which specific time passes from an end of operation for any one of transmission of an uplink channel based on the first downlink control information and reception of second downlink control information after the first downlink control information. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: October 15, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun
  • METHOD OF SHARING SRS RESOURCES BETWEEN SRS RESOURCE SETS OF DIFFERENT USAGES, AND CORRESPONDING UE
    Publication number: 20230361975
    Abstract: A user equipment (UE) is disclosed that includes a receiver that receives a parameter and a processer that, based on the parameter, configures Sounding Reference Signal (SRS) resources with a first SRS resource set and a second SRS resource set. The UE further includes a transmitter that transmits one or more SRSs using the SRS resources. In other aspects, a method and a wireless communication system are also disclosed.
    Type: Application
    Filed: August 17, 2021
    Publication date: November 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Nadisanka Rupasinghe, Yuki Matsumura
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230354350
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives group common downlink control information indicating a transmission configuration indication (TCI) state, and a control section that controls transmission of feedback information indicating success or failure in reception of the downlink control information. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: September 15, 2020
    Publication date: November 2, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230345280
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a report setting associated with a plurality of resources, the plurality of resources being associated with a plurality of spatial domain filters, and a control section that performs measurement in the plurality of resources. According to one aspect of the present disclosure, it is possible to appropriately perform measurement/reporting in a plurality of resources.
    Type: Application
    Filed: August 6, 2020
    Publication date: October 26, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230327834
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that monitors a downlink control channel (Physical Downlink Control Channel (PDCCH)) in a control resource set (CORESET), and a control section that does not assume that a CSI-RS resource associated with a non zero power channel state information reference signal (NZP-CSI-RS) resource set in which a higher layer parameter about repetition is on and related to a CORESET pool index same as a CORESET pool index of the CORESET is configured for a symbol configured to monitor the CORESET. According to one aspect of the present disclosure, collision between a plurality of channels/signals can be handled appropriately.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 12, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230327742
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that, if scheduling offset between reception of a downlink control channel for communication of downlink control information for scheduling an aperiodic channel state information-reference signal (A-CSI-RS) and reception of the A-CSI-RS is less than a threshold determined on the basis of a reported period value for beam switch, and there is a different downlink signal in the same symbol as the A-CSI-RS, and the A-CSI-RS and the different downlink signal are related to the same control resource set (CORESET) pool index, gives priority to quasi-co-location (QCL) for the different downlink signal; and a receiving section that receives the A-CSI-RS. According to one aspect of the present disclosure, collision between a plurality of channels/signals can be handled appropriately.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 12, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230328539
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a plurality of quasi-co-location (QCL) parameters with respect to a control resource set (CORESET), and a control section that uses, in a case where at least one of a physical uplink control channel (PUCCH) and the CORESET satisfies a condition, at least one of the plurality of QCL parameters, in at least one spatial relation of the PUCCH. The one aspect of the present disclosure enables appropriately determining information relating to QCL.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 12, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230318676
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives a channel state information (CSI) report configuration indicating that at least one of CSI for a single transmission/reception point (STRP) and CSI for multi-TRP (Multi TRP (MTRP)) is reported, and a control section that performs control to include, in a CSI report, at least one of the CSI for a STRP and the CSI for MTRP, based on information included in the CSI report configuration. According to an aspect of the present disclosure, even when MTRP is used, CSI measurement and report can be appropriately performed.
    Type: Application
    Filed: September 30, 2020
    Publication date: October 5, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230319608
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a configuration of a plurality of channel state information-reference signal (CSI-RS) resources and receives a medium access control-control element (MAC CE) indicating one CSI-RS resource among the plurality of CSI-RS resources; and a control section that performs measurement of the CSI-RS resource and does not perform measurement of a CSI-RS resource other than the CSI-RS resource among the plurality of CSI-RS resources, in which the plurality of CSI-RS resources are individually associated with a plurality of quasi co-locations (QCLs). According to an aspect of the present disclosure, a P-CSI-RS resource can be efficiently used.
    Type: Application
    Filed: August 17, 2020
    Publication date: October 5, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Terminal, radio communication method, and system
    Patent number: 11777588
    Abstract: A terminal is disclosed that includes a receiver that receives Channel State Information (CSI) reporting configuration information which is a Radio Resource Control (RRC) information element. The terminal also includes a processor that ignores a second RRC parameter regarding report quantity when the terminal is configured with a first RRC parameter regarding report quantity by the CSI reporting configuration information. The processor also performs a control to report Layer 1 Signal to Interference plus Noise Ratio (L1-SINR) when quantity for reporting L1-SINR is indicated by the first RRC parameter. In other aspects, a radio communication method and a system are also disclosed.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: October 3, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230309178
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a first list and a second list of transmission configuration indication (TCI) states, and a control section that applies one first TCI state in the first list to uplink and downlink and applies one second TCI state in the second list to uplink and downlink. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: September 11, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230309111
    Abstract: An aspect of a terminal of the present disclosure includes: a receiver that receives a plurality of pieces of downlink control information respectively transmitted by using a plurality of downlink control channels allocated to different time domains; and a controller that controls at least one of reception and transmission of a physical shared channel scheduled by the plurality of pieces of downlink control information, in which when contents of timing-related information respectively included in the plurality of pieces of downlink control information are identical, the controller determines at least one of a reception timing and a transmission timing of the physical shared channel based on the timing-related information with a specific downlink control channel as a time reference.
    Type: Application
    Filed: August 28, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun, Lan Chen
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230308913
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives a first reference signal; and a control section that uses a second reference signal, which is not configured as a failure detection resource, for detection of the beam failure after a response to the beam failure detected based on the first reference signal is received. According to one aspect of the present disclosure, a beam failure can be appropriately detected.
    Type: Application
    Filed: August 12, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230308249
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives information associating a plurality of physical downlink control channel (PDCCH) candidates with respectively a plurality of different transmission configuration indication (TCI) states, and a control section that monitors at least one of the plurality of PDCCH candidates by use of a corresponding TCI state, based on the information. According to an aspect of the present disclosure, a PDCCH can be appropriately received.
    Type: Application
    Filed: July 31, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230300824
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiver that receives a list of transmission configuration indication (TCI) states applicable to downlink and uplink; and a controller that determines one or more sets of active TCI states from the list based on one or more medium access control-control elements (MAC CEs), and determines one or more TCI states to be applied to at least one of downlink and uplink signals from the one or more sets based on downlink control information (DCI). According to one aspect of the present disclosure, the TCI state is appropriately controlled.
    Type: Application
    Filed: August 17, 2021
    Publication date: September 21, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata