Patents by Inventor Daisuke KURITA

Daisuke KURITA 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: 20240244592
    Abstract: A terminal allocates a physical uplink shared channel across multiple slots and transmits the data series via the physical uplink shared channel. The terminal performs rate matching for each data series transmitted in a specific time region.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 18, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Daisuke Kurita, Hiroki Harada
  • Publication number: 20240243803
    Abstract: The radio relay device receives control information from a radio base station. The radio relay device controls based on the control information, the relay state of at least a beam in relaying radio waves from a radio base station or a terminal without signal interpretation.
    Type: Application
    Filed: May 10, 2021
    Publication date: July 18, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Shohei Yoshioka, Shinya Kumagai, Daisuke Kurita, Yuki Takahashi, Satoshi Nagata
  • Publication number: 20240244667
    Abstract: A terminal repeatedly transmits a message in a random access channel procedure, and configures a random access resource according to whether the repeated transmission is present, based on configuration of a radio resource control layer.
    Type: Application
    Filed: May 10, 2021
    Publication date: July 18, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Daisuke Kurita, Hiroki Harada
  • Publication number: 20240223243
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives a signal any one of a plurality of downlink signals, a first uplink signal from another terminal, and a sidelink signal from the other terminal; and a control section that reports a measurement result of the signal and controls reception of a downlink channel or transmission of an uplink channel by using a beam and a sequence based on the report. According to one aspect of the present disclosure, the number of users to be multiplexed can be improved.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 4, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Shinya Kumagai, Hiroki Harada, Satoshi Nagata, Tomoya Ohara, Takuma Nakamura
  • Publication number: 20240215021
    Abstract: A radio communication node includes: a control unit that determines a downlink transmission timing in the radio communication node based on a downlink transmission timing in an upper node; and a transmission/reception unit that performs transmission and reception at the determined timing, wherein the control unit determines an uplink transmission timing in the radio communication node based on a specifying method.
    Type: Application
    Filed: May 10, 2021
    Publication date: June 27, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada
  • Patent number: 12022445
    Abstract: A radio communication node sets a radio backhaul link with a parent node and a radio access link with a child node. The radio communication node receives control information of the radio access link, and determines location that indicates a radio resource available to the radio access based on a reception timing of the control information in a slot of a radio frame.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: June 25, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Jing Wang, Xiaolin Hou
  • Publication number: 20240205981
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that determines, based on at least one of terminal identification information, a terminal type, terminal capability information, and information notified from a base station, at least one of a transmission occasion and an index that are available for transmission of a random access preamble; and a transmitting section that transmits the random access preamble.
    Type: Application
    Filed: April 9, 2021
    Publication date: June 20, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Masaya Okamura, Hiroki Harada, Daisuke Kurita, Mayuko Okano
  • Publication number: 20240187161
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a downlink signal with at least a part of parameters of the downlink signal being limited, in an initial access procedure; and a control section that controls transmission of an uplink signal with at least a part of parameters of the uplink signal being limited, in the initial access procedure. According to an aspect of the present disclosure, the payload size for configuration of the initial access can be reduced.
    Type: Application
    Filed: March 31, 2021
    Publication date: June 6, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Mayuko Okano, Satoshi Nagata, Tomoya Ohara, Masaya Okamura
  • Publication number: 20240187186
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a channel state information reference signal (CSI-RS), and a control section that performs, by using a machine learning model trained based on first configuration of the CSI-RS, control of performing prediction based on second configuration of the CSI-RS. According to one aspect of the present disclosure, high-accuracy channel estimation, high-efficiency use of resources, and the like can be implemented.
    Type: Application
    Filed: March 30, 2021
    Publication date: June 6, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Hiroki Harada, Daisuke Kurita, Yuki Matsumura, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20240187179
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives information related to a time window over a plurality of slots; and a control section that controls transmission of a plurality of demodulation reference signals in the plurality of slots. Amplitudes and phases of the plurality of demodulation reference signals have continuity. The time window includes a first time resource being not for uplink. According to one aspect of the present disclosure, channel estimation accuracy can be improved.
    Type: Application
    Filed: March 31, 2021
    Publication date: June 6, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Shinya Kumagai, Hiroki Harada, Satoshi Nagata, Tomoya Ohara, Takuma Nakamura
  • Publication number: 20240188016
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that controls one or more random access procedures; a receiving section that acquires, on the basis of the one or more random access procedures, a plurality of information related to a plurality of timing advances, each of the plurality of timing advances corresponding to a respective one of a plurality of base stations or transmission/reception points; and a transmitting section that performs a UL transmission on the basis of at least one of the plurality of information related to the plurality of timing advances.
    Type: Application
    Filed: April 2, 2021
    Publication date: June 6, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Masaya Okamura, Hiroki Harada, Daisuke Kurita, Mayuko Okano
  • Publication number: 20240187984
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that controls, in either state of an idle state or an inactive state, operation for at least one of reception of downlink data and transmission of uplink data, and a transmitting/receiving section that performs the operation without transmitting, before the operation, a random access preamble in the state. According to one aspect of the present disclosure, it is possible to reduce power consumption/latency.
    Type: Application
    Filed: April 2, 2021
    Publication date: June 6, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Masaya Okamura, Hiroki Harada, Daisuke Kurita, Mayuko Okano
  • Publication number: 20240179688
    Abstract: A terminal receives control information indicating allocation of a physical uplink shared channel in a time domain and allocates the physical uplink shared channel across multiple slots. Based on the control information, the terminal determines a transport block to be transmitted over the physical uplink shared channel.
    Type: Application
    Filed: March 24, 2021
    Publication date: May 30, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Hiroki Harada, Daisuke Kurita
  • Publication number: 20240179707
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives, without receiving at least one of a broadcast channel (PBCH), a physical downlink control channel (PDCCH), and a physical downlink shared channel carrying system information (RMSI PDSCH), another channel or signal in an initial access procedure; and a control section that performs control in the initial access procedure on a basis of the other channel or signal. According to an aspect of the present disclosure, the payload size for configuration of the initial access can be reduced.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 30, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Mayuko Okano, Satoshi Nagata, Tomoya Ohara, Masaya Okamura
  • Publication number: 20240179770
    Abstract: A radio communication node includes a connection unit capable of connecting with multiple radio communication nodes having a same or different function or role, and controls connection performed by the connection unit.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 30, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Haruhi Echigo, Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Yuki Hokazono, Satoshi Nagata
  • Publication number: 20240179712
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives a signal for judgment of a plurality of terminals sharing uplink data; and a control section that controls one of reception of the uplink data from another terminal of the plurality of terminals and transmission of the uplink data to the other terminal, based on the signal. According to one aspect of the present disclosure, coverage can be improved.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 30, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Shinya Kumagai, Hiroki Harada, Satoshi Nagata, Tomoya Ohara, Takuma Nakamura
  • Publication number: 20240172312
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives one or more configurations for radio link monitoring, and a control section that monitors, on the basis of the one or more configurations, a plurality of reference signals corresponding to a plurality of respective communication points in a same carrier. According to one aspect of the present disclosure, it is possible to appropriately perform radio link/beam-related processing for a plurality of communication points.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 23, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Satoshi Nagata
  • Publication number: 20240172252
    Abstract: A terminal includes a communication unit configured to perform transmission of a signal to and reception of a signal from a base station; and a control unit configured to transmit, to another terminal, information that is received from the base station based on the transmission and the reception, or information that is obtained from the signal transmitted to or received from the base station.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 23, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Takuma Nakamura, Tomoya Ohara, Shinya Kumagai, Daisuke Kurita
  • Publication number: 20240171257
    Abstract: The radio relay device controls a relay state when a radio wave from a radio base station or a terminal is relayed without signal interpretation. The radio relay device transmits or receives a signal related to detection or identification to/from the radio base station or the terminal.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 23, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Haruhi Echigo, Shinya Kumagai, Yuki Takahashi, Daisuke Kurita, Yuki Hokazono, Satoshi Nagata
  • Publication number: 20240172311
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives one or more configurations for beam failure detection; and a control section that monitors a plurality of reference signals corresponding to a plurality of respective communication points in the same carrier, based on the one or more configurations. According to one aspect of the present disclosure, it is possible to appropriately perform processing related to radio links/beams on a plurality of communication points.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 23, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Satoshi Nagata