Patents by Inventor Mayuko Okano

Mayuko Okano 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: 20250261093
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information for positioning included in a specific system information block (SIB), the configuration information being associated with a Public Land Mobile Network (PLMN) ID, and a control section that performs, based on the configuration information, positioning-related control associated with the PLMN ID. According to one aspect of the present disclosure, it is possible to manage flexible communication for operators.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 14, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Mayuko Okano, Shinya Kumagai
  • Publication number: 20250261241
    Abstract: A terminal includes a communication unit configured to transmit and receive a random access channel, and a controller configured to assume that the random access channel is transmitted and received based on at least one of a configuration of the random access channel set individually for a second terminal with reduced functions that is different from a terminal without a first reduced functions or terminal with reduced functions; a configuration of the random access channel set individually for the first terminal with functions, a reduced or configuration of the random access channel for the terminal without reduced functions, wherein second functions, which are different from first functions reduced in the first terminal with reduced functions, are reduced.
    Type: Application
    Filed: April 18, 2022
    Publication date: August 14, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250254014
    Abstract: A terminal includes a communication unit configured to perform uplink or downlink communication in a frequency band aggregated by carrier aggregation, a reception unit configured to receive a cancelation indication for an uplink signal in downlink, and a control unit configured to assume that, in a case where scheduling is performed in a unit including a plurality of component carriers in the aggregated frequency band, the cancelation indication for the uplink signal is transmitted for each of the plurality of component carriers or for the unit including the plurality of component carriers.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 7, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250247839
    Abstract: A terminal includes: a control unit configured to assume that there are a scheduling cell and a scheduled cell in multi-carrier scheduling by single control information; and a reception unit configured to receive the single control information from the scheduling cell. The reception unit receives a plurality of scheduled cells based on the single control information, and the control unit determines whether or not an unlicensed frequency cell can be configured as the scheduled cell.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 31, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Mayuko Okano
  • Publication number: 20250227682
    Abstract: A terminal including: a communication unit configured to receive system information; and a control unit configured to assume that at least one of: a downlink bandwidth part for a non-reduced function terminal that is different from that for a first function-reduced terminal; or an uplink bandwidth part for the non-reduced function terminal that is different from that for the first function-reduced terminal, is to be configured. A second function that is different from a first function for the first function-reduced terminal is reduced from the terminal.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250226931
    Abstract: A terminal includes: a communication unit that performs uplink or downlink communication in a frequency band aggregated by carrier aggregation; and a control unit that multiplexes, in a case where scheduling is performed in units including a plurality of component carriers in the aggregated frequency band, an uplink control signal on a physical channel when an overlap in a time domain occurs between a plurality of uplink signals including the uplink control signal in the units including the plurality of component carriers.
    Type: Application
    Filed: April 13, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250220682
    Abstract: A terminal includes: a communication unit configured to perform an uplink or downlink communication by using a frequency band in which aggregation is performed by carrier aggregation; and a control unit configured to assume that, in a case where scheduling is performed in the aggregation-performed frequency band according to a unit including a plurality of component carriers, a maximum number of PDCCH candidates that can be monitored per slot in an active downlink BWP or of non-overlapped CCEs is determined based on sub-carrier spacings included in the plurality of component carriers.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 3, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250220602
    Abstract: A terminal according to an aspect of the present disclosure is a terminal supporting full-duplex communication, the terminal including a receiving section that receives information related to any one of a criterion for timing of an uplink transmission and a criterion for timing of a downlink reception, and a control section that matches the criterion for the timing of the uplink transmission with the criterion for the timing of the downlink reception, based on the information, to control the uplink transmission and the downlink reception. According to an aspect of the present disclosure, resource usage efficiency can be increased.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 3, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Mayuko Okano, Tomoya Ohara, Masaya Okamura, Kousuke Shima
  • Publication number: 20250212191
    Abstract: A terminal includes: a receiving unit that receives a signal from another terminal on any subchannel included in a resource pool including non-contiguous frequency resources; a transmitting unit that transmits a signal to another terminal on any subchannel included in the resource pool; and a control unit that determines in which actual component carriers subchannels constituting the resource pool are included, wherein the control unit determines whether or not the resource pool is usable based on the terminal's own capability.
    Type: Application
    Filed: March 28, 2022
    Publication date: June 26, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250212070
    Abstract: A terminal includes: a communication unit configured to perform an uplink or downlink communication by using a frequency band in which aggregation is performed by carrier aggregation; and a control unit configured to, in a case where scheduling is performed in the aggregation-performed frequency band according to a unit including a plurality of component carriers, perform frequency domain resource allocation in accordance with a number of BWPs included in the plurality of component carriers.
    Type: Application
    Filed: March 30, 2022
    Publication date: June 26, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250203599
    Abstract: A terminal includes: a reception unit configured to receive configuration information on scheduling for multiple cells by single control information; and a control unit configured not to assume simultaneous monitoring of at least two pieces of specific control information between a scheduling source cell and a scheduling destination cell in the scheduling, in the scheduling source cell, or in the scheduling destination cell.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 19, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Mayuko Okano, Hiroki Harada, Masaya Okamura
  • Publication number: 20250203600
    Abstract: A terminal includes: a reception unit configured to receive configuration information on scheduling for multiple cells by single control information; and a control unit configured not to assume reception of specific control information in a specific cell among multiple cells that include a scheduling source cell and a scheduling destination cell in the scheduling.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 19, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Mayuko Okano, Hiroki Harada, Masaya Okamura
  • Publication number: 20250192960
    Abstract: A terminal includes: a communication unit configured to perform an uplink or downlink communication by using a frequency band in which aggregation is performed by carrier aggregation; and a control unit configured to, in a case where scheduling is performed in the aggregation performed frequency band according to a unit including a plurality of component carriers, expect that a control resource set frequency resource having the unit including the plurality of component carriers is obtained by calculating a total sum of control resource set frequency resources of component carriers included in the plurality of component carriers or expect that a control resource set frequency resource will be configured by using the unit including the plurality of component carriers.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 12, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • Publication number: 20250184992
    Abstract: A terminal includes: a reception unit configured to receive a plurality of downlink shared channels that are scheduled in multiple carriers by a single control information from a base station: a control unit configured to generate feedback information related to retransmission control corresponding to the plurality of downlink shared channels: and a transmission unit configured to transmit the feedback information to the base station. The control unit determines a cell for transmitting the feedback information, based on an uplink shared channel group to which the plurality of downlink shared channels belong.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 5, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Mayuko Okano, Yuki Takahashi, Masaya Okamura
  • Publication number: 20250183960
    Abstract: A terminal includes: a reception unit configured to receive a reference signal of channel state information in downlink; a control unit configured to expect that a synchronization signal is to be transmitted or is not to be transmitted in a bandwidth part in an RRC connected state; and a transmission unit configured to transmit terminal capability information related to measurement based on the reference signal of the channel state information in a case where the control unit expects that the synchronization signal is not to be transmitted in the bandwidth part in the RRC connected state.
    Type: Application
    Filed: February 14, 2022
    Publication date: June 5, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Mayuko Okano, Shinya Kumagai
  • Publication number: 20250133542
    Abstract: A terminal according to one aspect of the present disclosure includes: a control section configured to determine a resource in which an uplink (UL) signal resource and a downlink (DL) signal resource are configurable in the same time resource in one physical resource block; and a transmitting/receiving section configured to perform, in the resource to be determined, at least one of reception of a specific DL signal used for initial access and transmission of a specific UL signal used for initial access. According to one aspect of the present disclosure, overhead can be reduced and resource utilization efficiency can be increased.
    Type: Application
    Filed: October 29, 2021
    Publication date: April 24, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Mayuko Okano, Satoshi Nagata, Masaya Okamura, Tomoya Ohara
  • Publication number: 20250133521
    Abstract: A terminal includes: a communication unit configured to perform communication with a base station that is included in an NTN (Non-Terrestrial Network) via a non-terrestrial device and a wireless relay device; and a control unit configured to apply at least one of a first timing advance value or a second timing advance value to the communication, the first timing advance value corresponding to a section from the non-terrestrial device to the wireless relay device in a link from the non-terrestrial device to the terminal itself, and the second timing advance value corresponding to a section from the wireless relay device to the terminal itself in the link from the non-terrestrial device to the terminal itself.
    Type: Application
    Filed: September 15, 2021
    Publication date: April 24, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
  • Publication number: 20250119902
    Abstract: A terminal includes: a control unit configured to determine whether a field included in control information for performing multi-carrier scheduling is configured for each of carriers to be scheduled or is configured in common for the carriers to be scheduled, based on a condition; and a reception unit configured to receive the control information from a base station. The reception unit receives each of the carriers to be scheduled by the control information, based on the determination.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Mayuko Okano, Masaya Okamura
  • Publication number: 20250106665
    Abstract: A wireless relay device includes: a relay unit configured to relay a first wireless signal from a base station to a terminal; and a control unit configured to control relaying of the first wireless signal from the base station to the terminal. The control unit performs measurement of the first wireless signal and determines power amplification and a spatial domain filter to be applied to the relaying of the first wireless signal from the base station to the terminal based on a result of the measurement.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 27, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Mayuko Okano, Kousuke Shima, Masaya Okamura, Tomoya Ohara, Jing Wang, Weiqi Sun
  • Publication number: 20250097909
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives configuration information including one or more of time resource configurations and/or frequency resource configurations; and a control section that determines, based on the configuration information and an ID related to a Public Land Mobile Network (PLMN), at least one of a time resource and a frequency resource to be used for at least one of a downlink signal and an uplink signal. An aspect of the present disclosure allows operation of communication to be flexibly performed between operators.
    Type: Application
    Filed: January 17, 2022
    Publication date: March 20, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Mayuko Okano, Hiroki Harada, Satoshi Nagata