Patents Assigned to NTT Docomo
  • Patent number: 12141708
    Abstract: A type estimation model generation system is a system that generates a type estimation model used for type estimation of estimating one of a plurality of types to which a user belongs, the system including: a learning data acquiring unit configured to acquire learning time series information that is information of a time series about a plurality of used musical pieces and learning type information representing types to which users who have used the plurality of musical pieces belong that are learning data used for machine learning; and a model generating unit configured to generate the type estimation model by performing machine learning using information based on the learning time series information as an input for the type estimation model in units of musical pieces in order of the time series and information based on the learning type information as an output of the type estimation model.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: November 12, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Shigeki Tanaka, Yusuke Fukazawa
  • Patent number: 12143309
    Abstract: A terminal device, which is connected to a network in which quality of communication is controlled, includes a communicator configured to communicate with a server apparatus connected to the network, and a requester configured to request, when the server apparatus provides the terminal device with a service, execution of quality control based on a condition being satisfied, the quality control being control of quality of communication with the server apparatus, the condition being a condition in which one, some, or all of a plurality of adjustment processing tasks are executable, and the plurality of adjustment processing tasks being processing tasks to adjust at least one of a resource for provision of the service and a resource for use of the service.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 12, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Ishizuka, Masashi Anzawa
  • Patent number: 12143185
    Abstract: A user terminal according to one aspect of the present disclosure includes: a control section that determines whether or not to share given channel state information with another user terminal; and a transmission section that transmits the given channel state information determined to be shared to the another user terminal. According to one aspect of the present disclosure, MIMO can be suitably used.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: November 12, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Yuki Matsumura, Daisuke Murayama, Satoshi Nagata
  • Patent number: 12143965
    Abstract: A terminal including a transmission unit that transmits a trigger of a channel state information report to another terminal, a reception unit that receives the channel state information report with at least one of following conditions: in a specific duration; after a specific duration; in a predetermined resource; and in a resource after an ACK or a NACK corresponding to the trigger, and a control unit that determines at least one of: a failure of the trigger; and a failure of the channel state information report, or performs an operation corresponding to the failure is provided.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: November 12, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Yanru Wang
  • Publication number: 20240370489
    Abstract: A recommendation system is a system determining recommendation information used for giving a recommendation relating to musical pieces to be used to a user and includes: an acquisition unit configured to acquire information representing a remaining time of use of a musical piece; and a determination unit configured to determine the recommendation information on the basis of the information acquired by the acquisition unit.
    Type: Application
    Filed: March 23, 2022
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Ryoki WAKAMOTO, Shigeki TANAKA
  • Publication number: 20240373458
    Abstract: A terminal includes: a reception unit configured to receive from a base station: a block including a synchronization signal and a broadcast channel; a control channel carrying control information; and a shared channel carrying system information, based on the control information; and a control unit configured to perform an initial access to the base station, based on the system information. Information included in the broadcast channel includes at least one of information related to QCL (Quasi co-location), information related to LBT (Listen before talk), information related to DBTW (Discovery burst transmission window), and information indicating whether a band is a licensed band or an unlicensed band.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Hiroki Harada, Satoshi Nagata, Qiping Pi
  • Publication number: 20240366910
    Abstract: A nudge management device includes: a storage unit configured to store information of a nudge which is a mechanism for prompting a user to voluntarily adopt a desirable behavior; an acquisition unit configured to acquire nudge intervention information which is information associated with intervention of a nudge; and an abrasion deriving unit configured to derive nudge abrasion information indicating a degree of decrease in effect of the nudge associated with the nudge intervention information based on the nudge intervention information and to output the derived nudge abrasion information.
    Type: Application
    Filed: August 25, 2022
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Akinari SAKAI, Tetsuya YAMAGUCHI, Takuya IZUMISAWA, Yusuke NAKAMURA
  • Publication number: 20240373387
    Abstract: A network node includes: a reception unit configured to receive a registration request from a terminal; a transmission unit configured to transmit information indicating withholding of a registration acceptance to the terminal; and a control unit configured to perform verification related to a requirement of the terminal to be connected to a network. In a case where the verification by the control unit is successful, the registration of the terminal is accepted, and, in a case where the verification fails, the registration of the terminal is not accepted.
    Type: Application
    Filed: June 29, 2021
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Atsushi Minokuchi, Maoki Hikosaka
  • Publication number: 20240371394
    Abstract: A feature amount output model generation system is a system configured to generate a feature amount output model for inputting information based on singing data- and outputting a feature amount of the singing data, the system includes a singing data acquisition unit configured to acquire singing data for each of a plurality of songs, a division unit configured to divide each piece of singing data into a plurality of temporal sections, and a feature amount output model generation unit configured to generate a feature amount output model from the divided singing data through machine learning, wherein the feature amount output model generation unit performs machine learning according to criteria based on a distance between feature amounts of singing data relating to the same song and a distance between feature amounts of singing data relating to songs different from each other.
    Type: Application
    Filed: March 17, 2022
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventor: Keita YOKOYAMA
  • Publication number: 20240372610
    Abstract: A terminal includes: a reception unit configured to receive information indicating an orbit or a position of a flying object that relays a communication with a base station; and a control unit configured to perform time or frequency synchronization in the communication with the base station relayed by the flying object, based on the information indicating the orbit or the position of the flying object.
    Type: Application
    Filed: September 9, 2021
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Daisuke Kurita, Satoshi Nagata, Wenjia Liu, Jing Wang
  • Publication number: 20240373240
    Abstract: A radio communication node (100B) performs connection for a parent node and for a lower node that are capable of sharing a radio resource in frequency division multiplexing. The radio communication node (100B) controls a guard band relating to the radio resource for the parent node and for the lower node.
    Type: Application
    Filed: March 31, 2021
    Publication date: November 7, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Lan Chen
  • Patent number: 12137065
    Abstract: A terminal is provided that includes a control unit configured to generate a sequence of a sidelink reference signal that corresponds to a sequence of a reference signal for demodulating a signal between a base station and a terminal; and a transmission unit configured to transmit the generated sidelink reference signal having the sequence to another terminal.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Yanru Wang
  • Patent number: 12136192
    Abstract: An image processing apparatus includes an image synthesizer configured to correct input images based on first-correction data to generate corrected images, and to generate a synthesized image by stitching the corrected images together, a determiner configured to determine whether the corrected images are appropriately stitched together in the synthesized image by using a first-trained model learned whether images are appropriately stitched together, a second-correction-data generator configured to generate second-correction data by supplying the input images to a second-trained model learned relationships between correction data used to correct source images to generate corrected images appropriately stitched together and the source images, and an image updater configured to output the synthesized image when a determination result of the determiner is affirmative and output an updated synthesized image generated by causing the image synthesizer to update the synthesized image based on the second-correction da
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Ryo Shinohara, Naoto Matoba
  • Patent number: 12137482
    Abstract: A terminal includes a receiving unit that receives information indicating mapping relation between transmission occasions for a random access preamble and transmission occasions for a physical uplink shared channel for a MessageA transmission in a two step random access procedure; and a control unit that selects, based on the mapping relation, a transmission occasion for the physical uplink shared channel for the MessageA transmission in the two step random access procedure.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventor: Tomoya Ohara
  • Patent number: 12137461
    Abstract: A user terminal according to an aspect of the present disclosure includes a receiving section that receives a first PDSCH (Physical Downlink Shared Channel) from a first transmission/reception point (TRP), and a second PDSCH from a second TRP, the second PDSCH overlapping the first PDSCH in at least one of time and frequency resources, and a control section that performs control for using a common codebook to transmit a first Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK) for the first PDSCH and a second HARQ-ACK for the second PDSCH. According to an aspect of the present disclosure, the HARQ-ACK control can be preferably implemented even in a case of using the multi-TRP.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Kazuki Takeda, Satoshi Nagata
  • Patent number: 12137039
    Abstract: A management apparatus includes: a quality manager configured to: acquire (i) a control request for requesting control of quality of communication, the communication being executed when an application program installed in the terminal apparatus is executed, and (ii) terminal information related to the terminal apparatus; and based on the control request and the terminal information, execute a control process causing at least one of the one or more networks to execute the control of quality; and a charge manager configured to: acquire, from each of the plurality of networks, fee information showing a usage fee of the control of quality; and charge a fee based on the fee information to an application provider providing the application program to the terminal apparatus.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Ishizuka, Masashi Anzawa
  • Patent number: 12137407
    Abstract: A terminal is disclosed that includes a receiver that receives, in a first cell, information indicating a measurement object including information regarding a parameter of a discovery or measurement signal. The terminal also includes a processor that performs a measurement using the discovery or measurement signal based on the information indicating the measurement object and a transmitter that transmits a result of the measurement, where when the information indicating the measurement object designates a timing that is synchronous with the first cell, the processor performs the measurement in a second cell based on the timing that is synchronous with the first cell. In other aspects, a radio communication method and a base station are also disclosed.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Kazuaki Takeda, Satoshi Nagata, Hiroyuki Ishii
  • Patent number: 12137360
    Abstract: A terminal is disclosed including a processor that when a search space for a beam failure recovery (BFR) procedure associated with a control resource set (CORESET) for the BFR procedure is configured by a radio resource control (RRC) information element, performs to monitor downlink control channel during the BFR procedure in the search space for the BFR procedure configured by the RRC information element, and when the search space is not configured by the RRC information element, performs to monitor the downlink control channel during the BFR procedure in a common search space; and a receiver that monitors the downlink control channel during the BFR procedure. In other aspects a radio communication method, a base station, and a system are also disclosed.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Patent number: 12136989
    Abstract: A method is disclosed for estimating one or more user terminal locations over a target coverage area by wireless signals transmitted by one or more access points and reflected by one or more reconfigurable intelligent surface panels. The method includes transmission of one or more pilot signals by each of the one or more access points, reflecting, by at least one of the one or more reconfigurable intelligent surface panels, the one or more pilot signals according to one or more predetermined reflection patterns, receiving the reflections by the user terminal, extracting one or more features from the reflections, and estimating of a user terminal location by a method based on a database comprising pairs of locations and the one or more features.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: November 5, 2024
    Assignee: NTT DOCOMO, INC.
    Inventor: Haralabos Papadopoulos
  • Publication number: 20240363044
    Abstract: A display control device includes a mode detecting unit configured to detect a mode corresponding to a level of understanding of a spatial structure of a real space displayed on a display unit and a control unit configured to control a display mode of a virtual object on the display unit according to the mode detected by the mode detecting unit. The control unit changes the display mode of the virtual object on the display unit from a first display mode corresponding to a first mode to a second display mode corresponding to a second mode via one or more intermediate display modes between the first display mode and the second display mode when the mode detected by the mode detecting unit changes from the first mode corresponding to a first level of understanding to the second mode corresponding to a second level of understanding.
    Type: Application
    Filed: June 9, 2022
    Publication date: October 31, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Kei ISHIGURO, Tomohito YAMASAKI, Mikio IWAMURA, Masayuki YOKOO, Fuminori SHINSEI