Patents Assigned to NTT Docomo
  • Publication number: 20250233976
    Abstract: A transmittance control apparatus includes a first identifier configured to identify, based on display information indicating a target for display, a degree of lightness of the target for display; a second identifier configured to identify lightness of an environment in which a see-through display is disposed; a transmittance controller configured to: when the degree of lightness of the target for display does not fluctuate and the lightness of the environment fluctuates in a range less than or equal to a first lightness, reduce transmittance of the target for display displayed on the see-through display with an increase in the lightness of the environment; and control the transmittance of the target for display displayed on the see-through display at a first timing based on: a maximum lightness of the environment in a first period before to the first timing and the degree of lightness of the target for display.
    Type: Application
    Filed: February 28, 2023
    Publication date: July 17, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki NAKAMURA, Yasuo MORINAGA, Mitsuhiro GOTO, Tatsuya NISHIZAKI, Reo MIZUTA
  • Publication number: 20250234213
    Abstract: A terminal according to one aspect of the present disclosure includes a transmitting section that transmits position information of the terminal, a receiving section that receives at least one of first information related to an angle of arrival of a signal in the terminal based on the position information and second information related to an angle of departure of a signal in the terminal based on the position information, and a control section that judges at least one of a receive beam of a downlink signal based on the first information and a transmit beam of an uplink signal based on the second information. According to one aspect of the present disclosure, preferable overhead reduction/channel estimation/use of resources can be implemented.
    Type: Application
    Filed: April 1, 2022
    Publication date: July 17, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Hiroki Harada, Xufei Zheng, Liu Liu, Jing Wang, Xin Wang
  • Publication number: 20250234325
    Abstract: A terminal includes: a transmission unit that transmits, to one or a plurality of other terminals, a signal related to position measurement in inter-terminal direct communication; a reception unit that receives, from the one or the plurality of other terminals, a signal based on the signal related to the position measurement in the inter-terminal direct communication; and a control unit that calculates position information of the terminal itself by using the signal based on the signal related to the position measurement in the inter-terminal direct communication, in which the signal related to the position measurement in the inter-terminal direct communication is at least one of a reference signal to be used for the position measurement and a signal to request transmission of the reference signal to be used for the position measurement.
    Type: Application
    Filed: April 13, 2022
    Publication date: July 17, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Patent number: 12363706
    Abstract: A radio communication method according to an aspect of the present invention includes: receiving, at a first base station, at least a part of downlink control information via a downlink shared channel from a second base station; receiving, at user terminal, downlink control information via a downlink control channel from the first base station; and controlling, at the user terminal, reception of a downlink shared channel from the first base station or transmission of an uplink shared channel to the first base station on the basis of the downlink control information.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: July 15, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Hiroki Harada, Satoshi Nagata
  • Patent number: 12363723
    Abstract: A user equipment including: a transmission unit that transmits a signal to a base station apparatus using a preconfigured uplink resource; a reception unit that receives a signal from the base station apparatus; and a control unit that starts or restarts a predetermined timer in response to receiving the signal from the base station apparatus.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 15, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Kazuaki Takeda, Hiroki Harada, Takayuki Isogawa
  • Patent number: 12362800
    Abstract: A user terminal according to one aspect of the present disclosure includes: a control section that, when capability information that indicates that full power transmission is supported is transmitted, and when a non coherent or partial and non coherent codebook subsets are configured, assumes that downlink control information can indicate a fully coherent codebook subset; and a transmitting section that performs the full power transmission by applying the fully coherent codebook subset to uplink transmission based on the downlink control information. According to one aspect of the present disclosure, it is possible to appropriately control full power transmission.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: July 15, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Masaya Okamura, Yuki Matsumura, Hiroki Harada
  • Patent number: 12363657
    Abstract: A session management apparatus including: a reception unit configured to receive, from a user plane apparatus, a time offset between a TSN time of a TSN time domain and a 5G time, and identification information of the TSN time domain; and a transmission unit configured to transmit, to a base station apparatus, a TSC assistance information determined based on the time offset and the identification information of the TSN time domain.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: July 15, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Atsushi Minokuchi, Tooru Uchino
  • Publication number: 20250227703
    Abstract: A terminal includes: a control unit configured to control a plurality of uplink information items to be simultaneously transmitted via same time resources; and a transmission unit configured to transmit the plurality of uplink information items simultaneously via the same time resources.
    Type: Application
    Filed: October 28, 2021
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Satoshi Nagata
  • Publication number: 20250227691
    Abstract: A terminal includes: a transmission unit configured to transmit uplink information to a base station; and a control unit configured to control the uplink information to be transmitted by an upper layer via an uplink shared channel.
    Type: Application
    Filed: October 28, 2021
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Satoshi Nagata
  • Publication number: 20250227131
    Abstract: A network node includes: a reception unit configured to receive a call-arrival from an external terminal or from an external application; and a transmission unit configured to transfer the call-arrival to a computing resource that is configured for each subscriber.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Atsushi Minokuchi, Kenta Yamauchi, Masahiro Sawada
  • Publication number: 20250226951
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a configuration indicating more than four sounding reference signal (SRS) ports and a configuration of a comb index, and a control section that applies different values to the comb index of some SRS ports and the comb index of other SRS ports out of the more than four SRS ports, based on the configuration of the comb index. According to one aspect of the present disclosure, transmission of an SRS using more than four SRS ports can be appropriately performed.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun
  • Publication number: 20250227675
    Abstract: A terminal includes: a transmission unit configured to report, to a base station, capability information indicating a switching period required for switching between bands, in a transmission switching scheme in which at least one antenna port of a plurality of antenna ports can switch bands across two or more bands and the plurality of antenna ports in total switch bands for transmission across three or more bands; and a reception unit configured to receive, from the base station, information related to a cell in which the switching period occurs.
    Type: Application
    Filed: April 8, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Takuma Nakamura, Tomoya Ohara
  • 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: 20250225669
    Abstract: An image recognition device that can accurately recognize a recognition target is provided. An image recognition device 10 includes an imaging device 100 configured to image one imaging surface (for example, a top surface) of a recognition target T, a mirror unit 10a that is a reflection unit disposed to reflect another imaging surface (for example, a side surface) of the recognition target T to the imaging device 100, and a recognition unit 103 configured to recognize the recognition target T on the basis of a first image of the one imaging surface (the top surface) and a second image of the other imaging surface (the side surface). With this configuration, it is possible to obtain images of surfaces at a plurality of positions such as side surfaces of a recognition target through one imaging operation and to improve the recognition accuracy of a recognition target.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Takuya KITADE, Keisuke YAMAYA, Ryosuke MIZUNO, Takuma MATSUMURA
  • 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: 20250227653
    Abstract: A terminal includes: a transmission unit that transmits, to one or a plurality of other terminals, a signal related to position measurement in inter-terminal direct communication; a reception unit that receives, from the one or the plurality of other terminals, a signal based on the signal related to the position measurement in the inter-terminal direct communication; and a control unit that calculates position information of the terminal itself by using the signal based on the signal related to the position measurement in the inter-terminal direct communication.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • Publication number: 20250227498
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives network (NW)-trained model information related to a model trained by a network (NW-trained model) and reference model information related to a reference model that is a base of the NW-trained model, and a control section that judges the NW-trained model, based on the NW-trained model information and the reference model information. According to an aspect of the present disclosure, preferable overhead reduction/channel estimation/resource use can be achieved.
    Type: Application
    Filed: April 13, 2022
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Haruhi Echigo, Hiroki Harada, Masato Taniguchi, Tianyang Min, Souki Watanabe, Takumi Fujitsuka, Yazhuo Guan, Issei Nakamura, Liu Liu
  • Publication number: 20250227752
    Abstract: A terminal includes: a control unit configured to assume that a plurality of transmission signals that exceed a threshold value that is defined for a high frequency band included in an unlicensed band is a transmission burst; and a transmission unit configured to perform a communication trial in a first transmission in a plurality of transmissions in the transmission burst.
    Type: Application
    Filed: November 4, 2021
    Publication date: July 10, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Hiroki Harada, Satoshi Nagata, Qiping Pi
  • Patent number: 12355640
    Abstract: A quality-of-service management system includes a terminal and a server (a quality-of-service management device), the terminal determines whether or not a satisfaction condition is satisfied for a predetermined terminal-side determination item in response to a start request of QoS control from an application or the terminal and transmits a condition determination request for starting QoS control to the server when it is determined that the condition is satisfied, the server determines whether or not the satisfaction condition is satisfied for a predetermined server-side determination item in response to the condition determination request for starting QoS control, and at least one of the terminal and the server starts QoS control when it is determined that the condition is satisfied.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 8, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Masashi Anzawa, Hiroki Ishizuka, Akio Gouda, Junichi Sawase
  • Patent number: 12354574
    Abstract: A system of generating a model for estimation is a system that generates the model for estimation used for estimation based on information about musical pieces, the system including: a learning data acquiring unit configured to acquire learning information in which information about audio data of a plurality of musical pieces having sequences is aligned in a dimension of the sequences in order of the sequences that is learning data used for machine learning; and a model generating unit configured to generate the model for estimation by performing machine learning using the learning information as an input to the model for estimation performing convolution using a kernel in the dimension of the sequences.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: July 8, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Shigeki Tanaka, Yusuke Fukazawa