Patents by Inventor Satoshi Nagata

Satoshi Nagata 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: 20240147463
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives information related to configuration of transmission of a plurality of physical uplink shared channels (PUSCHs) based on one piece of downlink control information (DCI), and a control section that determines, out of a plurality of reference signal indices, one or more reference signal indices used for at least one of spatial relations and pathloss reference signals (PL-RSs) for the plurality of PUSCHs. According to one aspect of the present disclosure, it is possible to appropriately control PUSCH repetition transmission even when multiple TRPs are applied.
    Type: Application
    Filed: March 3, 2021
    Publication date: May 2, 2024
    Applicants: NTT DOCOMO, INC., NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240147442
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives, in a first band, information related to a second band; and a control section that simultaneously uses a first signal in the first band and a second signal in the second band for at least one of synchronization, measurement, channel estimation, position estimation, and reference signal transmission. According to one aspect of the present disclosure, it is possible to appropriately use resources according to capability.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 2, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Takuma Nakamura, Tomoya Ohara, Daisuke Kurita, Satoshi Nagata
  • Publication number: 20240147429
    Abstract: A communication device includes: a receiving unit configured to receive a preamble in resources that are selected autonomously by another communication device; and a control unit configured to acquire, based on the preamble, information for receiving a control signal from the another communication device, and, in this communication device, the receiving unit receives the control signal from the another communication device based on the information.
    Type: Application
    Filed: March 12, 2021
    Publication date: May 2, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20240146593
    Abstract: A terminal comprising: a control unit that applies a target subcarrier spacing lower than a specified subcarrier spacing, in a target frequency band that includes at least a portion of a specified frequency range in which the specified subcarrier spacing is defined as a minimum subcarrier spacing or a frequency band lower than the specified frequency range, wherein a frequency use efficiency of the target subcarrier spacing is higher than the frequency use efficiency of the specified subcarrier spacing.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 2, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shinya Kumagai, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20240147388
    Abstract: A communication device has: a receiving unit configured to receive information from another communication device; a control unit configured to determine transmission power based on the information; and a transmitting unit configured to transmit a signal, by applying the transmission power to the signal, in autonomously selected resources, to the another communication device.
    Type: Application
    Filed: March 12, 2021
    Publication date: May 2, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Patent number: 11974279
    Abstract: A user terminal according to one aspect of the present disclosure includes: a receiving section that receives information related to a timing being used as a reference of a start symbol of an uplink shared channel or a downlink shared channel in a given transmission occasion; and a control section that determines a time domain resource over one or more slots allocated to the uplink shared channel or the downlink shared channel, based on the start symbol determined with the timing being used as the reference and a number of consecutive symbols from the start symbol.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 30, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang
  • Patent number: 11972611
    Abstract: A controller is provided that is configured to perform: obtaining information about a condition for an image that is provided to a user, and that corresponds to a preference of the user; specifying at least one predetermined position at which an image satisfying the condition can be taken; and generating a command for a moving object to move to the predetermined position and to take an image, and transmitting the command to the moving object.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 30, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi Komamine, Yurika Tanaka, Kenichi Yamada, Ryuichi Kamaga, Ai Miyata, Yu Nagata, Shintaro Matsutani
  • Patent number: 11974267
    Abstract: A user equipment includes a transmitter that performs a groupcast transmission to a group including a plurality of units of user equipment; a receiver that receives a hybrid automatic repeat request (HARQ) response to the groupcast transmission; and a controller that performs retransmission control for the groupcast based on received power that is measured on a channel for receiving the HARQ response.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 30, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang
  • Patent number: 11974229
    Abstract: A user terminal according to one aspect of the present disclosure includes: a control section that, in a case where a plurality of Transmission/Reception Points (TRPs) are configured, determines transmit power of uplink transmission based on a cumulative value of Transmit Power Control (TPC) commands calculated per TRP; and a transmitting section that performs the uplink transmission by using the transmit power. According to one aspect of the present disclosure, it is possible to perform appropriate transmit power control even in a case where multiple TRPs are used.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: April 30, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Patent number: 11973716
    Abstract: A terminal is disclosed that includes a processor that, in case where frequency division duplex (FDD) is applied, controls a transmission of an uplink (UL) signal, in FDD, at a same timing as a UL transmission timing that is applied in time division duplex (TDD). The terminal also includes a receiver that receives a downlink control information (DCI), and a physical downlink shared channel (PDSCH) scheduled by the DCI. The terminal also includes a transmitter that transmits a HARQ-ACK in response to the PDSCH. The reception of the DCI and the transmission of the HARQ-ACK are allowed within one slot. In other aspects, a radio communication method, a base station, and a system are also disclosed.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: April 30, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Hiroki Harada, Satoshi Nagata
  • Patent number: 11974270
    Abstract: In order to suppress deterioration of communication quality even when communication is performed using a plurality of transmission/reception points, an aspect of user terminal of the present disclosure includes: a reception section that receives given downlink control information including information regarding TCI states corresponding to the plurality of transmission/reception points; and a control section that controls reception of physical shared channels transmitted from the plurality of transmission/reception points based on the given downlink control information.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 30, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Publication number: 20240137156
    Abstract: A communication device includes: a control unit configured to autonomously determine a first resource to be used for transmission; a transmission unit configured to transmit data to another communication device by using the first resource; and a reception unit configured to receive feedback information corresponding to the data by using a second resource that is autonomously or heteronomously determined by the another communication device.
    Type: Application
    Filed: March 2, 2021
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
  • Publication number: 20240137922
    Abstract: A communication device has: a control unit configured to autonomously select resources for use for transmission; and a transmitting unit configured to transmit a data signal in the selected resources, and information that indicates the selected resources, to another communication device.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20240137157
    Abstract: A communication device includes: a reception unit configured to receive a plurality of data items in a resource autonomously selected by another communication device; a control unit configured to multiplex feedback information corresponding to each of the plurality of data items; and a transmission unit configured to transmit the multiplexed feedback information to the another communication device. The control unit determines which feedback information corresponding to each of the plurality of data items is to be multiplexed and multiplexes the feedback information corresponding to each of the plurality of data items, or the control unit multiplexes the feedback information corresponding to each of the plurality of data items, based on information related to multiplexing of the feedback information corresponding to each of the plurality of data items received by the reception unit from the another communication device.
    Type: Application
    Filed: March 2, 2021
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
  • Publication number: 20240137937
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a response to a report of a candidate beam for beam failure in a secondary cell, and a control section that, when a reference signal for quasi co-location (QCL) of a specific downlink resource is not applied to uplink transmission associated with the secondary cell and time from the response to the uplink transmission is longer than specific time, applies the candidate beam to the uplink transmission.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, Inc.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240137172
    Abstract: A communication device includes: a control unit configured to determine an antenna port to apply to a data signal; and a transmitting unit configured to transmit, to another communication device, information that indicates the determined antenna port, and the data signal that is transmitted, in autonomously selected resources, by using the determined antenna port.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20240137176
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a synchronization signal block of a non-serving cell, and a control section that determines a transmission configuration indication (TCI) state of a demodulation reference signal for a physical downlink shared channel or a physical downlink control channel of a serving cell, based on the synchronization signal block of the non-serving cell. According to one aspect of the present disclosure, communication overhead can be suppressed in inter-cell mobility.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Publication number: 20240137186
    Abstract: A terminal is disclosed including a receiver that receives information including multiple spatial relation information; and a processor that controls transmission of channel state information using first spatial relation information that corresponds to a first transmission and reception point among the multiple spatial relation information, on a first repetition of multiple repetitions of an uplink shared channel, and controls transmission of the channel state information using second spatial relation information that corresponds to a second transmission and reception point among the multiple spatial relation information, on a second repetition of the multiple repetitions of the uplink shared channel. In other aspects, a communication method, a base station, and a system are also disclosed.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 25, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Patent number: 11968079
    Abstract: A user terminal includes a control section that controls a beam failure recovery based on whether a specific secondary cell for an uplink control channel is configured or not, and a transmitting section that transmits, in the beam failure recovery, a beam failure recovery request to one of a plurality of cells. According to an aspect of the present disclosure, a BFR procedure can be appropriately executed.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 23, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Patent number: 11968139
    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 controls reception processing of the downlink shared channel based on at least one of cells that respectively transmit first downlink control information channel and second downlink control information, cells that respectively transmit the second downlink control information and the CSI reference signal, and resources that are indicated respectively by the first downlink control information and the second downlink control information, the first downlink control information being used to schedule the downlink shared channel, and the second downlink control information being used to trigger the CSI reference signal.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: April 23, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata