Patents by Inventor Naoya SHIBAIKE

Naoya SHIBAIKE 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: 20250105941
    Abstract: The present invention improves the reliability of a transmission channel. A transmission terminal according to the present invention is equipped with: a control circuit that, on the basis of a time resource quantity used to determine the transmission size of a first channel in one time segment of either a first time segment in which the first channel and a second channel are disposed or a second time segment in which the first channel is disposed, determines the transmission size in the other time segment; and a transmission circuit that, on the basis of the determined transmission size, performs a transmission process for the first channel in the first time segment and the second time segment.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 27, 2025
    Inventors: Naoya SHIBAIKE, Hidetoshi SUZUKI, Ayako HORIUCHI
  • Publication number: 20250097719
    Abstract: A terminal includes: a communication unit configured to perform transmission and reception in a first RAT (Radio Access Technology) and to perform sensing in a second RAT; and a control unit configured to control communications in the first RAT. The communication unit receives information related to a first resource reservation by another terminal in the first RAT, the communication unit detects information related to a second resource reservation by another terminal in the second RAT, the control unit determines a set of resources based on a result of performing, based on information related to the first resource reservation, resource exclusion from available resource candidates in the first RAT in a physical layer, and selects a resource from the set of resources based on the information related to the second resource reservation in a MAC (Medium Access Control) layer, and the communication unit performs transmission to another terminal by using the selected resource.
    Type: Application
    Filed: January 19, 2022
    Publication date: March 20, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250097981
    Abstract: A terminal according to one aspect of the present disclosure includes: a transmitting section that transmits a message in a random access procedure in a physical uplink shared channel; and a control section that controls a plurality of repetitions of at least one of reception of a downlink channel for scheduling the physical uplink shared channel and transmission of a channel the physical uplink shared channel. According to one aspect of the present disclosure, coverage can be improved by taking account of overhead.
    Type: Application
    Filed: July 30, 2021
    Publication date: March 20, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Haruhi Echigo, Hiroki Harada, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250089079
    Abstract: A terminal includes: a reception unit configured to receive control information using a downlink; a control unit configured to perform monitoring of the control information for each of a plurality of slots; and a transmission unit configured to transmit, using uplink, terminal capability information that indicates whether or not, to support scheduling of a plurality of downlink signals by a single control information, the terminal capability information being specified in accordance with a number of the plurality of slots.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 13, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Mayuko Okano, Naoya Shibaike, Hiroki Harada
  • Publication number: 20250089061
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a Medium Access Control control element (MAC Control Element (CE)) including a field indicating a time period from a given timing until activation of a transmission configuration indication state (TCI state), and a control section that controls the activation of the TCI state based on the MAC CE. According to one aspect of the present disclosure, it is possible to implement suitable maintenance of communication quality.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 13, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Hiroki Harada, Yuki Matsumura, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250081013
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that computes one or more radio link qualities corresponding to one or more reference signals; and a control section that performs control, based on the one or more radio link qualities, to include information related to a radio link quality corresponding to which one of the one or more reference signals, in a channel state information (CSI) report. According to one aspect of the present disclosure, preferable channel estimation/resource use is enabled.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 6, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Hiroki Harada, Yuki Matsumura, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250071692
    Abstract: A terminal includes: a control unit configured to perform a process related to transmission in a case where one or more of feedback channels in a first carrier overlap in at least a time domain with either a channel or a signal in a second carrier in a device to device direct communication in which carrier aggregation is applied; and a transmission unit configured to transmit at least one of: the one or more of the feedback channels; or the channel or the signal. The control unit performs prioritization regarding which channel or signal is to be prioritized, and performs at least one of controlling of transmission power or stopping of transmission, based on the prioritization.
    Type: Application
    Filed: December 27, 2021
    Publication date: February 27, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250071760
    Abstract: A terminal apparatus includes a receiver and a transmitter. The receiver receives, from a base station, a downlink assignment index (DAI) that is transmitted by means of a downlink control information (DCI) format. The DAI indicates an accumulative number of a transmitted physical downlink shared channel (PDSCH) included in a group of PDSCHs. A range of the accumulative number of which the DAI is indicative is variably configured. The transmitter, in operation, transmits, to the base station, hybrid automatic repeat request acknowledgement (HARQ-ACK) information based on the DAI.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 27, 2025
    Inventors: Naoya SHIBAIKE, Hidetoshi SUZUKI, Tomoya NUNOME, Ayako HORIUCHI
  • Publication number: 20250063604
    Abstract: A terminal according to one aspect of the present disclosure includes a transmitting section that transmits a plurality of repetitions of a physical random access channel by using a plurality of different beams, and a control section that determines a reference beam corresponding to one of the plurality of different beams and that determines, on the basis of reception of a response to the physical random access channel, a subsequent uplink beam, the reception using the reference beam. According to one aspect of the present disclosure, it is possible to improve coverage in a random access procedure.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 20, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Naoya Shibaike, Satoshi Nagata, Jing Wang, Qiping Pi, Lan Chen
  • Publication number: 20250055740
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives one or more reference signal configurations, and a control section that controls, based on at least one of information related to a reference signal and a specific condition, application of at least one reference signal configuration of the reference signal configurations. According to one aspect of the present disclosure, it is possible to implement suitable RS resource use.
    Type: Application
    Filed: December 16, 2021
    Publication date: February 13, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Yuki Matsumura, Naoya Shibaike, Hiroki Harada
  • Patent number: 12199754
    Abstract: The present invention improves the reliability of a transmission channel. A transmission terminal according to the present invention is equipped with: a control circuit that, on the basis of a time resource quantity used to determine the transmission size of a first channel in one time segment of either a first time segment in which the first channel and a second channel are disposed or a second time segment in which the first channel is disposed, determines the transmission size in the other time segment; and a transmission circuit that, on the basis of the determined transmission size, performs a transmission process for the first channel in the first time segment and the second time segment.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: January 14, 2025
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Naoya Shibaike, Hidetoshi Suzuki, Ayako Horiuchi
  • Publication number: 20250015952
    Abstract: A terminal according to one aspect of the present disclosure includes: a control section that performs, for transmission of a reference signal for measurement (Sounding Reference Signal (SRS)) of an SRS resource of at least one of a plurality of SRS resources, control of whether to perform transmission or transmission in a different SRS resource, when a time difference between the plurality of SRS resources is smaller than a given value; and a transmitting section that transmits the SRS, based on a result of the control. According to one aspect of the present disclosure, it is possible to appropriately perform SRS transmission.
    Type: Application
    Filed: November 5, 2021
    Publication date: January 9, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Yuki Matsumura, Satoshi Nagata
  • Publication number: 20250008510
    Abstract: A terminal receives a plurality of downlink data channels scheduled by a single downlink control information, and assumes that if any downlink data channel collides with an uplink symbol, the downlink data channel cancelled by the collision is excluded from the specific scheduling.
    Type: Application
    Filed: November 5, 2021
    Publication date: January 2, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Hiroki Harada, Satoshi Nagata, Qiping Pi, Jing Wang, Lan Chen
  • Publication number: 20250008450
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that attempts to receive a first synchronization block; and a control section that controls reception of a second synchronization signal block, based on a reception result of the first synchronization signal block. According to one aspect of the present disclosure, coverage can be improved by taking account of overhead.
    Type: Application
    Filed: July 30, 2021
    Publication date: January 2, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Hiroki Harada, Naoya Shibaike, Haruhi Echigo, Satoshi Nagata
  • Publication number: 20240430057
    Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines one operation from a plurality of operations including a first operation of receiving a plurality of first reference signals in a cell and a second operation of receiving a plurality of second reference signals in the cell; and a receiving section that receives at least one of the plurality of first reference signals and the plurality of second reference signals, according to the one operation. The number of the plurality of second reference signals is larger than the number of the plurality of first reference signals. According to one aspect of the present disclosure, coverage can be improved in consideration of overhead.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 26, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Haruhi Echigo, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20240430916
    Abstract: A terminal includes: a reception unit configured to receive a signal from another terminal in a resource pool for which a partial sensing is configured; a control unit configured to determine a first resource of a sensing target, and determine an available resource set by identifying candidate resources based on a sensing result of the first resource according to the reception unit; and a transmission unit configured to select a second resource used for transmission from the resource set, and transmit a signal using the second resource. The control unit determines a procedure of performing reevaluation or preemption check, based on whether the second resource is a resource reserved by periodic reservation.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 26, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Patent number: 12177835
    Abstract: A terminal apparatus includes a receiver and a transmitter. The receiver receives, from a base station, a downlink assignment index (DAI) that is transmitted by means of a downlink control information (DCI) format. The DAI indicates an accumulative number of a transmitted physical downlink shared channel (PDSCH) included in a group of PDSCHs. A range of the accumulative number of which the DAI is indicative is variably configured. The transmitter, in operation, transmits, to the base station, hybrid automatic repeat request acknowledgement (HARQ-ACK) information based on the DAI.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: December 24, 2024
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Naoya Shibaike, Hidetoshi Suzuki, Tomoya Nunome, Ayako Horiuchi
  • Publication number: 20240422036
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section configured to receive a configuration related to a transmission comb of a sounding reference signal (SRS); and a control section configured to determine, based on the configuration and a bandwidth of the SRS, at least one of the number of the transmission combs, a maximum number of cyclic shifts, and a number of the cyclic shift. According to one aspect of the present disclosure, an SRS parameter can be appropriately determined.
    Type: Application
    Filed: October 7, 2022
    Publication date: December 19, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20240406975
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives configuration for a plurality of sounding reference signal (SRS) resource sets and receives downlink control information indicating triggering of an SRS; and a control section that controls transmission of the SRS by using one or more SRS resource sets indicated in the downlink control information out of the plurality of SRS resource sets, wherein a timing for the transmission of the SRS is based on a timing for reception of the downlink control information and on a first offset and a second offset included in the one or more SRS resource sets. According to one aspect of the present disclosure, it is possible to flexibly control SRS triggering.
    Type: Application
    Filed: October 7, 2022
    Publication date: December 5, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20240406967
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a downlink control channel for transmitting one piece of downlink control information for scheduling a plurality of downlink shared channels, and a control section that, when at least one codepoint of a transmission configuration indication (TCI) notification field configured in the downlink control information indicates a plurality of TCI states, judges at least one of a quasi-co-location (QCL) and a TCI state corresponding to the plurality of respective downlink shared channels, based on whether offset between the downlink control channel and at least one of the plurality of downlink shared channels is less than a certain threshold value.
    Type: Application
    Filed: September 30, 2021
    Publication date: December 5, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Naoya Shibaike, Satoshi Nagata, Weiqi Sun, Jing Wang, Qiping Pi, Lan Chen