Patents Assigned to NTT Docomo
  • Terminal and radio communication method for demodulating a PDSCH using a first and second precoder based on a DMRS
    Patent number: 12213134
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives demodulation reference signal (DMRS) information relating to at least one resource of a DMRS, to which at least one DMRS a first precoder for a beam is applied and a second precoder for superposing signals for a plurality of terminals in the beam is not applied, and a control section that demodulates a physical downlink shared channel (PDSCH) to which the first precoder and the second precoder are applied, based on the DMRS and information relating to the second precoder. According to an aspect of the present disclosure, downlink throughput using the MIMO can be improved.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 28, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Wenjia Liu, Lu Jiang, Xiaolin Hou
  • Information processing apparatus
    Patent number: 12211227
    Abstract: An information processing apparatus includes a first detector configured to detect an object based on captured image information generated by an image capturing apparatus; a second detector configured to, in response to the object being detected by the first detector, detect a user operation carried out with regard to the object, the user operation involving a change in a state of the object; and a display controller configured to, in response to the user operation being detected by the second detector, generate an image that is associated with the object and the user operation, to display the generated image on a display apparatus.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: January 28, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Kensuke Ueda, Nobutaka Matsushima
  • Radio communication node
    Patent number: 12213171
    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: January 28, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Jing Wang, Xiaolin Hou
  • Terminal
    Patent number: 12213016
    Abstract: A terminal includes a receiving unit that receives configuration information of a transition destination cell from a gNB by a conditional cell transition in the gNB in which the terminal resides, and a control unit that performs a transition to the transition destination cell based on the configuration information of the transition destination cell, without receiving a transition command. In a case where the receiving unit receives the configuration information of the transition destination cell, the control unit starts a CHO timer and can perform the conditional cell transition before the CHO timer expires.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: January 28, 2025
    Assignee: NTT DOCOMO, INC.
    Inventor: Tianyang Min
  • Terminal
    Patent number: 12213088
    Abstract: A terminal receives a master information block and a synchronization signal block from a radio base station, and acquires an offset between the synchronization signal block and a control resource set by using a parameter for quasi co-location derivation included in the master information block. The terminal assumes quasi co-location associated with the synchronization signal block based on the acquired offset.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 28, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Shinya Kumagai
  • EQUIPMENT PERFORMANCE CALCULATION DEVICE
    Publication number: 20250030376
    Abstract: An equipment performance calculation device is a device for calculating the performance of at least one of a power generation device and a storage battery for a base station including the power generation device using renewable energy and the storage battery, and includes a calculation information acquisition unit that acquires power consumption amount information related to a power consumption amount of the base station, power generation amount information indicating a power generation amount of the power generation device, and facility information related to a facility present in an area including a position of the base station, and a performance calculation unit that calculates the performance based on the power consumption amount information, the power generation amount information, and the facility information acquired by the calculation information acquisition unit.
    Type: Application
    Filed: October 3, 2022
    Publication date: January 23, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Fumiaki IGARASHI, Masayasu SUMIYA
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20250031132
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives configuration information of a serving cell associated with a Public Land Mobile Network (PLMN) ID, the configuration information being included in a first system information block (SIB); and a control section that determines, based on the configuration information, at least one of a frequency resource and a time resource associated with the PLMN ID. An aspect of the present disclosure allows operation of communication to be flexibly performed between operators.
    Type: Application
    Filed: December 3, 2021
    Publication date: January 23, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Mayuko Okano, Shinya Kumagai, Satoshi Nagata
  • TERMINAL, BASE STATION AND COMMUNICATION METHOD
    Publication number: 20250030528
    Abstract: A terminal includes: a communication unit configured to perform a bidirectional communication including downlink and uplink with a base station by using a frequency division duplex; and a control unit configured to control a communication to be performed by using a time division duplex in a case where there are a terminal that supports the frequency division duplex and a terminal that does not support the frequency division duplex in a same communication area.
    Type: Application
    Filed: November 19, 2021
    Publication date: January 23, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20250030522
    Abstract: A terminal includes a reception unit configured to receive downlink data scheduled by SPS (Semi-Persistent Scheduling); a control unit configured to perform postponement of HARQ-ACK (Hybrid Automatic Repeat reQuest-ACKnowledgement) corresponding to the downlink data, a maximum postponement period being configured to the postponement; and a transmission unit configured to transmit an uplink control channel that carries uplink control information including the HARQ-ACK via a resource determined based on the postponement of the HARQ-ACK. The control unit performs carrier switching of the uplink control channel as necessary, and determines whether the postponement of the HARQ-ACK exceeds the maximum postponement period, based on a subcarrier spacing of: a cell before performing the carrier switching; a cell after performing the carrier switching; or a cell indicated by a semi-static cell pattern.
    Type: Application
    Filed: October 19, 2022
    Publication date: January 23, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Qiping Pi, Jing Wang, Lan Chen
  • Wireless pathloss calculation method and terminal thereof
    Patent number: 12206619
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that, when a pathloss reference signal is not configured for specific uplink transmission, determines a reference signal used for calculation of a pathloss based on at least one quasi-collocation (QCL) parameter corresponding to at least one specific downlink resource, and calculates the pathloss; and a transmitting section that performs the specific uplink transmission using transmission power based on the pathloss.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Terminal and communication method
    Patent number: 12206508
    Abstract: A terminal includes a reception unit that receives, from a base station, a plurality of DCIs for scheduling a DL resource, an UL resource, and an SL resource, and DL data transmitted in a DL resource scheduled by the DCI, a transmission unit that multiplexes a HARQ response corresponding to the DL data, and a HARQ response corresponding to at least one of the SL resource or SL data that is transmitted in the SL resource, and transmits the multiplexed HARQ response to the base station via a UL shared channel in the UL resource scheduled by the DCI, and a control unit that determines a HARQ codebook, based on a DAI included in the DCI that schedules the UL resource, among the plurality of DCIs, and the DAI is assumed to be determined based on specific DCI among the plurality of DCIs.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Shaozhen Guo
  • User terminal
    Patent number: 12206511
    Abstract: In order to appropriately control uplink control information even in a case of controlling repetition transmission by use of a plurality of pieces of downlink control information, a user terminal according to the present disclosure includes a receiving section that receives downlink shared channels repeatedly transmitted by use of a plurality of slots, and a control section that, in a case that transmissions of the downlink shared channels transmitted in the respective slots are controlled based on different pieces of downlink control information, controls transmissions of acknowledgment signals for the downlink shared channels repeatedly transmitted, using a resource specified by at least one piece of downlink control information.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata, Lihui Wang
  • Terminal and radio communication method
    Patent number: 12207200
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that uses a first cell and a second cell of business operators different from each other; and a receiving section that receives downlink transmission having transmission power different depending on at least one of a business operator, frequency, time, and interference in the first cell and the second cell. According to an aspect of the present disclosure, deterioration of communication quality due to interference between networks of different business operators can be suppressed.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata
  • Terminal, base station, system, and feedback method
    Patent number: 12207359
    Abstract: A terminal is disclosed that includes a receiver that receives sidelink control information and data in sidelink and a transmitter that transmits a feedback signal corresponding to the data on a sidelink feedback channel. The transmitter determines a resource for transmitting the feedback signal based on a correspondence between a resource of the data and a resource for feedback. In other aspects, a base station, systems, and feedback methods are also disclosed.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Kazuaki Takeda, Hiroki Harada, Satoshi Nagata, Qun Zhao
  • User terminal and radio communication method
    Patent number: 12207253
    Abstract: A user terminal according to an aspect of the present disclosure includes a receiving section that receives downlink control information (DCI) used for scheduling of a plurality of downlink shared channels with different antenna port groups for a demodulation reference signal, and a control section that, when information indicating that a certain field that indicates a transmission configuration indication (TCI) state is present in the DCI is not configured, commonly or individually controls a TCI state of each of the plurality of downlink shared channels. According to one aspect of the present disclosure, it is possible to preferably perform DL communication even when multiple panels/TRPS are used.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • User terminal and radio communication method
    Patent number: 12207209
    Abstract: SSB indices are appropriately reported. A user terminal according to an aspect of the present disclosure includes a control section that determines an assumption utilized for a number of synchronization signal blocks (SSBs) actually transmitted in a given carrier, based on whether the given carrier is assumable to perform inter-cell synchronization, and a transmitting section that transmits information related to indices of SSBs detected.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: January 21, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Murayama, Daisuke Kurita
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20250024292
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a channel state information (CSI) report configuration corresponding to a group-based CSI report and including two channel measurement resource (CMR) sets, and a control section that controls transmission of the CSI report, based on the CSI report configuration. According to one aspect of the present disclosure, the group-based CSI report can be appropriately performed.
    Type: Application
    Filed: November 10, 2022
    Publication date: January 16, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • RECOMMENDATION DEVICE
    Publication number: 20250021158
    Abstract: A recommendation device includes an acquisition unit acquiring a visual line image obtained by imaging the trajectory of the visual line of a user browsing a content displayed on a user terminal, an extraction unit extracting a feature vector indicating a feature amount of the visual line image, a generation unit generating a correspondence relationship between the content and the trajectory of the visual line of the user as a user context on the basis of the feature vector, a computation unit computing the score of each of a plurality of contents, which are recommendation candidates, by using the user context, and an output unit outputting a recommendation result of a content selected on the basis of the score.
    Type: Application
    Filed: October 5, 2022
    Publication date: January 16, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Kunihiro AIBA, Sohei ONO, Wataru AKASHI, Sho MAEOKI
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20250024477
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives downlink control information including at least one of information indicating a specific SRS resource set among one or more activated (Sounding Reference Signal (SRS)) resource sets and information related to an active panel identifier or a panel identifier reported by terminal capability signaling; and a control section that judges an association between the specific SRS resource set and the panel identifier, based on the number of activated SRS resource sets corresponding to the panel identifier.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 16, 2025
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun, Lan Chen
  • INFORMATION PROCESSING APPARATUS
    Publication number: 20250022230
    Abstract: An information processing apparatus includes: an acquirer configured to acquire state information regarding a state of an avatar in a virtual space, the avatar corresponding to a first user; and a display controller configured to: cause a display used by a second user to display a first character as the avatar based on the state information satisfying a first condition regarding the state; and cause the display to display a second character as the avatar based on the state information satisfying a second condition regarding the state without satisfying the first condition, the second character being determined based on a relationship between the first user and the second user.
    Type: Application
    Filed: November 24, 2022
    Publication date: January 16, 2025
    Applicant: NTT DOCOMO, INC.
    Inventor: Hiroyuki FUJINO