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: 20250151144
    Abstract: A terminal includes: a transmission unit configured to transmit, in a first link, a message for establishing a connection in a second link in which the connection is not established; a reception unit configured to receive a response corresponding to the message for establishing the connection in the second link; and a control unit configured to assume that the establishing of the connection in the second link is completed when the response is received.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 8, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250150979
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that determines a plurality of groups including a plurality of resources for a physical random access channel, determines one or more pathloss reference signals for the plurality of groups, and determines a plurality of pieces of transmission power corresponding to the plurality of respective resources, based on the one or more pathloss reference signals; and a transmitting section that transmits a plurality of repetitions of the physical random access channel in the plurality of resources. According to one aspect of the present disclosure, a coverage of a random access procedure can be improved.
    Type: Application
    Filed: May 20, 2022
    Publication date: May 8, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya SHIBAIKE, Yuki MATSUMURA, Satoshi NAGATA, Qiping PI, Jing WANG, Lan CHEN, Yiyi LU, Yong LI
  • Publication number: 20250141602
    Abstract: A terminal including: a reception unit configured to receive a control channel or a shared channel from another terminal in an unlicensed band; a control unit configured to determine to transmit a feedback corresponding to the control channel or the shared channel to the another terminal via a shared channel; and a transmission unit configured to transmit the feedback via the shared channel depending on the determination.
    Type: Application
    Filed: September 16, 2021
    Publication date: May 1, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Shinya Kumagai, Satoshi Nagata
  • Patent number: 12279253
    Abstract: A user equipment, a base station and respective methods are provided. The user equipment receives a physical uplink shared channel (PUSCH) config information element (IE) in form of radio resource control (RRC) signaling, the PUSCH config IE being applicable to a particular bandwidth part. The user equipment configures a table which is defined by a PUSCH time domain resource allocation list IE carried in the received PUSCH config IE, the table comprising rows, at least one row comprising a first set of values related to allocated time-domain resources for a plurality of PUSCH transmissions. The user equipment receives downlink control information (DCI) signaling carrying a time-domain resource assignment filed with value m, wherein the value m provides a row index m+1 to the RRC configured table. The user equipment determines allocated time-domain resources for the plurality of PUSCH transmissions based on the index of the slot carrying the received DCI.
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: April 15, 2025
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Ankit Bhamri, Hidetoshi Suzuki, Naoya Shibaike, Tetsuya Yamamoto, Hongchao Li
  • Publication number: 20250119854
    Abstract: A terminal comprising: a communication unit configured to perform transmission and reception in a first RAT (Radio Access Technology); and a control unit configured to control communications in the first RAT. The control unit performs a synchronization in the first RAT based on a synchronization in a second RAT.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250113379
    Abstract: A terminal includes: a reception unit configured to receive information related to a channel access procedure from a base station; a control unit configured to determine the channel access procedure, based on the information; and a communication unit configured to perform transmission to the base station, based on the determined channel access procedure, wherein the control unit supports a channel access procedure with LBT (Listen before talk), and does not assume that the LBT is to be configured in a licensed band.
    Type: Application
    Filed: December 27, 2022
    Publication date: April 3, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Hiroki Harada, Satoshi Nagata, Qiping Pi
  • 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: 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: 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