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).

  • Publication number: 20240129858
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information related to an association between a transmission configuration indication (TCI) state applied to a plurality of types of uplink signals and one or more power control parameters applied to one type of uplink signal among the plurality of types of uplink signals; and a control section that controls transmission of the one type of uplink signal based on the information. According to one aspect of the present disclosure, the power control parameter can be appropriately controlled.
    Type: Application
    Filed: March 29, 2022
    Publication date: April 18, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240129933
    Abstract: One aspect of a terminal according to the present disclosure includes a receiving section that receives a plurality of downlink control channels supporting application of different control resource set pool indices, and a control section that, when an offset between at least one of the plurality of downlink control channels and a physical shared channel scheduled by the plurality of downlink control channels is smaller than a given value, controls reception of the physical shared channel, based on a default TCI state configured for each of control resource set pool indices or the default TCI state configured irrespective of control resource set pool indices.
    Type: Application
    Filed: April 5, 2021
    Publication date: April 18, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20240121850
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that uses, when a reference signal (RS) for path loss reference for a specific uplink signal is not configured, a quasi-co-location (QCL) parameter based on a specific downlink signal for a spatial relation for the specific uplink signal, and a transmitting section that transmits the specific uplink signal by using the spatial relation. According to one aspect of the present disclosure, it is possible to determine a QCL parameter appropriately.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 11, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240121623
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that, when spatial relation information is not configured for an SRS resource in a sounding reference signal (SRS) resource set having antenna switching usage, uses a quasi-co-location (QCL) parameter based on a specific slot for a spatial relation for the SRS resource, and a transmitting section that transmits an SRS by using the SRS resource and the spatial relation.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 11, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240121641
    Abstract: A beam failure is appropriately detected. A terminal according to an aspect of the present disclosure includes a control section that, when a set of a reference signal (RS) index corresponding to a resource for beam failure detection (BFD) is not configured using higher layer signaling and a specific parameter is configured, selects up to a given number of control resource sets (CORESETs) for determining the RS index to be included in the set in accordance with a specific rule, and a receiving section that evaluates radio link quality, based on an RS corresponding to the RS index.
    Type: Application
    Filed: March 29, 2022
    Publication date: April 11, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240121851
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that, when a reference signal for pathloss reference for a certain uplink signal is not configured, calculates a pathloss for the certain uplink signal by using a reference signal for quasi co-location (QCL) of a certain downlink resource and determines transmission power of the certain uplink signal based on the pathloss, and a transmitting section that transmits the certain uplink signal by using the transmission power.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 11, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240107619
    Abstract: A terminal according to one aspect of the present disclosure includes: a transmitting section that transmits capability information indicating support of update of at least part of radio resource control (RRC) parameters between a serving cell and a non-serving cell; and a control section that assumes, when the capability information is transmitted, different cell radio network identifiers (C-RNTIs) in the serving cell and the non-serving cell. According to one aspect of the present disclosure, a C-RNTI can be appropriately selected.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 28, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang
  • Publication number: 20240107354
    Abstract: To appropriately perform CSI measurement and reporting for multi-panel/TRP. A terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information related to a plurality of pairs of channel measurement resources, and a control section that controls, on the basis of the configuration information, group-based beam reporting or channel state information reporting for a plurality of transmission/reception points.
    Type: Application
    Filed: January 24, 2022
    Publication date: March 28, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Patent number: 11943766
    Abstract: To appropriately control communication even when a reference signal is dynamically triggered, a user terminal according to one aspect of the present disclosure includes: a receiving section that receives a downlink shared channel and a Channel State Information (CSI) reference signal; and a control section that, when first downlink control information used to schedule the downlink shared channel and second downlink control information used to trigger the CSI reference signal are transmitted by different cells, and resources respectively indicated by the first downlink control information and the second downlink control information overlap, performs control not to perform at least one of reception of the downlink shared channel and measurement that uses the CSI reference signal.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: March 26, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata
  • Patent number: 11943157
    Abstract: A user terminal includes a control unit that determines, based on at least one of comparison of a time offset with a threshold value between a timing related to a spatial relation of uplink transmission and the uplink transmission and that usage of a sounding reference signal (SRS) resource set for the uplink transmission is a specific usage, one of a transmission control indication (TCI) state or a quasi-co-location (QCL) assumption for downlink transmission and indicated spatial relation information as the spatial relation, and a transmitting unit that performs the uplink transmission by using the spatial relation.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: March 26, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240098541
    Abstract: It is possible to perform appropriate CSI reporting for a non-serving cell. A terminal according to one aspect of the present disclosure includes a receiving section that receives separate channel state information (CSI) report configurations for respective reference signals of a reference signal of a serving cell and a reference signal of a non-serving cell or that receives one CSI report configuration including both a reference signal of the serving cell and a reference signal of the non-serving cell, and a control section that controls CSI reporting on the basis of the separate CSI report configurations or the one CSI report configuration.
    Type: Application
    Filed: January 24, 2022
    Publication date: March 21, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20240094745
    Abstract: A control method includes the following. First information indicating a group control level is determined based on operation skills of operators who each perform remote monitoring or remote operation on a moving body. Second information indicating an attribute-dependent control level is determined based on attribute information on the operators. Third information indicating individual control levels of the operators is determined based on the first and second information. Moving bodies present within a predetermined range from a predetermined notification device are identified. Fourth information indicating a device control level is determined based on the third information determined for operators of the moving bodies identified. A detail of notification to be output from the predetermined notification device is determined based on the fourth information. A control command for notifying of the detail is output.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Yoshihiko KAMIYA, Motoshi ANABUKI, Yuki MATSUMURA
  • Publication number: 20240098526
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a configuration of a first reference signal for beam failure detection (BFD) and receives a medium access control-control element (MAC CE); and a control section that updates the first reference signal based on the MAC CE. According to an aspect of the present disclosure, it is possible to appropriately determine a BFD RS.
    Type: Application
    Filed: November 27, 2020
    Publication date: March 21, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20240089773
    Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines a first resource for interference measurement corresponding to a first transmission/reception point or a second resource for interference measurement corresponding to a second transmission/reception point, based on at least one of a first resource for channel measurement corresponding to the first transmission/reception point and a second resource for channel measurement corresponding to the second transmission/reception point; and a transmitting section that transmits a channel state information report, based on the first resource for interference measurement and the second resource for interference measurement. According to one aspect of the present disclosure, it is possible to appropriately perform measurement and report of CSI for multi-panel/TRP.
    Type: Application
    Filed: January 14, 2021
    Publication date: March 14, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20240089955
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives information related to a transmission path for at least a part of UL data; and a control section that determines at least one of a transmission method of the UL data and a second terminal other than the terminal, the second terminal being notified of at least the part of the UL data, based on at least one of the information related to the transmission path and downlink control information used for scheduling of the UL data.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 14, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Haruhi Echigo, Naoya Shibaike
  • Publication number: 20240081718
    Abstract: A biological information measurement device includes a sensor unit that detects predetermined biological information related to an organ of a living body, an A/D conversion unit that converts a measurement signal output from the sensor unit into a digital signal, a storage unit that stores information including a digital signal related to the measurement signal output from the A/D conversion unit, an analysis processing unit that determines presence or absence of a suspicion of an abnormality in the organ by analyzing the digital signal, and a measurement control unit that changes a sampling frequency related to A/D conversion of the measurement signal under a predetermined condition when the analysis processing unit has determined that a suspicion of an abnormality is present in the organ.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Kenji FUJII, Yasuhiro KAWABATA, Naomi MATSUMURA, Akito ITO, Yuki SAKAGUCHI, Daizo OKA, Takuya YOSHIDA, Seiji FUKUNAGA, Tatsuaki OKA
  • Publication number: 20240090067
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a medium access control-control element (MAC CE) indicating two active transmission configuration indicator (TCI) states for one control resource set, and a control section that, when an information element of a radio link monitoring (RLM) reference signal is not provided, uses a reference signal in at least one TCI state out of the two active TCI states for RLM. According to one aspect of the present disclosure, it is possible to appropriately perform at least one of RLM and BFD.
    Type: Application
    Filed: January 8, 2021
    Publication date: March 14, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20240089986
    Abstract: A terminal according to an aspect of the present disclosure includes a control section that determines whether two physical downlink control channel (PDCCH) candidates out of a plurality of PDCCH candidates can be allocated, and a receiving section that receives the two PDCCH candidates, when it is determined that the two PDCCH candidates can be allocated. The two PDCCH candidates are present within a same slot or a same span. The two PDCCH candidates are associated with two search space sets. The two PDCCH candidates are linked to each other. When it is determined that the two PDCCH candidates cannot be allocated, the control section determines whether one or more PDCCH candidates out of the plurality of PDCCH candidates can be allocated. According to an aspect of the present disclosure, PDCCH candidates can be appropriately determined.
    Type: Application
    Filed: January 18, 2021
    Publication date: March 14, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20240089987
    Abstract: A wireless communication method is disclosed that includes receiving, via downlink control information (DCI) or higher layer signaling, configuration information including a parameter and configuring aperiodic Sounding Reference Signal (SRS) (A-SRS) transmission based on the parameter. In other aspects, a terminal and a wireless communication system are also disclosed.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 14, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Nadisanka Rupasinghe, Yuki Matsumura
  • Patent number: 11930457
    Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines a power control parameter for a physical uplink shared channel (PUSCH), based on reception of a medium access control control element (MAC CE); and a transmitting section that transmits the PUSCH by using transmission power based on the power control parameter. According to one aspect of the present disclosure, a parameter for transmission power control can be appropriately determined.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: March 12, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata