Patents Assigned to NTT DoCoMo, Inc.
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Publication number: 20240137937Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a response to a report of a candidate beam for beam failure in a secondary cell, and a control section that, when a reference signal for quasi co-location (QCL) of a specific downlink resource is not applied to uplink transmission associated with the secondary cell and time from the response to the uplink transmission is longer than specific time, applies the candidate beam to the uplink transmission.Type: ApplicationFiled: October 8, 2020Publication date: April 25, 2024Applicant: NTT DOCOMO, Inc.Inventors: Yuki Matsumura, Satoshi Nagata
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Publication number: 20240137186Abstract: A terminal is disclosed including a receiver that receives information including multiple spatial relation information; and a processor that controls transmission of channel state information using first spatial relation information that corresponds to a first transmission and reception point among the multiple spatial relation information, on a first repetition of multiple repetitions of an uplink shared channel, and controls transmission of the channel state information using second spatial relation information that corresponds to a second transmission and reception point among the multiple spatial relation information, on a second repetition of the multiple repetitions of the uplink shared channel. In other aspects, a communication method, a base station, and a system are also disclosed.Type: ApplicationFiled: December 11, 2023Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Publication number: 20240137922Abstract: A communication device has: a control unit configured to autonomously select resources for use for transmission; and a transmitting unit configured to transmit a data signal in the selected resources, and information that indicates the selected resources, to another communication device.Type: ApplicationFiled: March 12, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240137172Abstract: A communication device includes: a control unit configured to determine an antenna port to apply to a data signal; and a transmitting unit configured to transmit, to another communication device, information that indicates the determined antenna port, and the data signal that is transmitted, in autonomously selected resources, by using the determined antenna port.Type: ApplicationFiled: March 12, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240137157Abstract: A communication device includes: a reception unit configured to receive a plurality of data items in a resource autonomously selected by another communication device; a control unit configured to multiplex feedback information corresponding to each of the plurality of data items; and a transmission unit configured to transmit the multiplexed feedback information to the another communication device. The control unit determines which feedback information corresponding to each of the plurality of data items is to be multiplexed and multiplexes the feedback information corresponding to each of the plurality of data items, or the control unit multiplexes the feedback information corresponding to each of the plurality of data items, based on information related to multiplexing of the feedback information corresponding to each of the plurality of data items received by the reception unit from the another communication device.Type: ApplicationFiled: March 2, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240135407Abstract: The server 10 includes: a display control unit 14 that displays link image IM in top screen SC1; a first model generator 161 that generates a first model M1 configured to output, for each content, a first score related to a probability that the link image IM is selected by a user by machine learning based on information indicating whether link image IM is selected by a user, a user attribute of the user, and information indicating content displayed as link image IM; a user attribute acquisition unit 12 that acquires a user attribute of a target user; and an image determining unit 131 that preferentially determines an image of content having a high first score as an image associated with link image IM in top screen SC1 presented to the target user.Type: ApplicationFiled: December 7, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Kunihiro AIBA, Souhei ONO
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Publication number: 20240137156Abstract: A communication device includes: a control unit configured to autonomously determine a first resource to be used for transmission; a transmission unit configured to transmit data to another communication device by using the first resource; and a reception unit configured to receive feedback information corresponding to the data by using a second resource that is autonomously or heteronomously determined by the another communication device.Type: ApplicationFiled: March 2, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240137176Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a synchronization signal block of a non-serving cell, and a control section that determines a transmission configuration indication (TCI) state of a demodulation reference signal for a physical downlink shared channel or a physical downlink control channel of a serving cell, based on the synchronization signal block of the non-serving cell. According to one aspect of the present disclosure, communication overhead can be suppressed in inter-cell mobility.Type: ApplicationFiled: December 24, 2020Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata
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Patent number: 11966657Abstract: An information processing apparatus includes: a receiver configured to receive an input operation of a user; and a display controller configured to display, in a display area having a first area and a second area, an image. The display controller includes: an icon controller configured to display, in the second area, first icons associated one-to-one with different layouts in splitting the first area, and a first splitter configured to split the first area into split areas based on a layout corresponding to a selected first icon to when the receiver receives an input operation for selecting any of the first icons.Type: GrantFiled: December 28, 2020Date of Patent: April 23, 2024Assignee: NTT DOCOMO, INC.Inventors: Kenichirou Matsumura, Kuniichiro Naruse, Keita Saito, Akira Kurosawa, Hiroki Takagaki, Kiwako Miura, Yuki Kobayashi, Takehisa Gokaichi
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Patent number: 11968139Abstract: To appropriately control communication even when a reference signal is dynamically triggered, a user terminal according to one aspect of the present disclosure includes: a receiving section that receives a downlink shared channel and a Channel State Information (CSI) reference signal; and a control section that controls reception processing of the downlink shared channel based on at least one of cells that respectively transmit first downlink control information channel and second downlink control information, cells that respectively transmit the second downlink control information and the CSI reference signal, and resources that are indicated respectively by the first downlink control information and the second downlink control information, the first downlink control information being used to schedule the downlink shared channel, and the second downlink control information being used to trigger the CSI reference signal.Type: GrantFiled: August 17, 2018Date of Patent: April 23, 2024Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata
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Patent number: 11968079Abstract: A user terminal includes a control section that controls a beam failure recovery based on whether a specific secondary cell for an uplink control channel is configured or not, and a transmitting section that transmits, in the beam failure recovery, a beam failure recovery request to one of a plurality of cells. According to an aspect of the present disclosure, a BFR procedure can be appropriately executed.Type: GrantFiled: December 21, 2018Date of Patent: April 23, 2024Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata
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Patent number: 11968545Abstract: A user equipment includes a receiving unit that receives a reference signal from a secondary cell; a transmitting unit that transmits a result of a measurement of the reference signal; and a control unit that selects, when the secondary cell is deactivated after the transmitting unit transmits the result of the measurement and the secondary cell is reactivated, and when a time interval from a timing at which the transmitting unit transmits the result of the measurement until a timing at which the secondary cell is reactivated is within a predetermined time interval, a receiving beam that is applied to the secondary cell upon transmitting the result of the measurement by the transmitting unit, as a receiving beam to be applied to the reactivated secondary cell.Type: GrantFiled: March 29, 2019Date of Patent: April 23, 2024Assignee: NTT DOCOMO, INC.Inventors: Takuma Takada, Hiroki Harada, Naoki Fujimura
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Publication number: 20240127726Abstract: A display control device for performing control on a display of a display configured to display an image of content laid out in a virtual space as viewed from a predetermined position, the display being mounted on portions of eyes by a user. The device detects an orientation, with respect to the display, of a head portion of a person other than the user and determines whether a position of the content needs to be changed based on a detection-result and the position of the content in the virtual space. A position change destination of the content in the virtual space is set based on a distance between the position change destination of the content in the virtual space and a position at a current point in time of the content and to change the position of the content when the position of the content is to be changed.Type: ApplicationFiled: February 22, 2022Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Yasuo MORINAGA, Nozomi MATSUMOTO, Hiroyuki FUJINO, Tatsuya NISHIZAKI, Reo MIZUTA, Yuki NAKAMURA
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Publication number: 20240129777Abstract: A communication apparatus includes a receiving unit configured to receive, from another communication apparatus, a signal requesting a CSI (Channel State Information) report and a CSI reference signal, in a resource autonomously selected by the another communication apparatus; a control unit configured to perform measurement by using the CSI reference signal; and a transmitting unit configured to transmit, to the another communication apparatus, a CSI report based on a result of the measurement.Type: ApplicationFiled: March 5, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240129933Abstract: One aspect of a terminal according to the present disclosure includes a receiving section that receives a plurality of downlink control channels supporting application of different control resource set pool indices, and a control section that, when an offset between at least one of the plurality of downlink control channels and a physical shared channel scheduled by the plurality of downlink control channels is smaller than a given value, controls reception of the physical shared channel, based on a default TCI state configured for each of control resource set pool indices or the default TCI state configured irrespective of control resource set pool indices.Type: ApplicationFiled: April 5, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
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Publication number: 20240129818Abstract: A radio base station receives a handover message from a network related to a handover of a terminal and determines the number of handover failures based on a number of the handover failures based on the handover message. The radio base station releases the terminal when the number of failures reaches a predetermined number.Type: ApplicationFiled: January 12, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Tianyang Min, Yuya Hoshizaki, Tadashi Uchiyama, Shinsuke Sawamukai, Anil Umesh
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Publication number: 20240129065Abstract: A communication device has: a control unit configured to determine a coding-related parameter to apply to a data signal; and a transmitting unit configured to transmit the determined coding-related parameter, and the data signal to which the coding-related parameter is applied, in autonomously selected resources, to another communication device.Type: ApplicationFiled: March 12, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240129838Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive a connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device.Type: ApplicationFiled: February 22, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shinya Kumagai, Shohei Yoshioka, Haruhi Echigo, Yuki Hokazono, Yuki Takahashi, Daisuke Kurita, Satoshi Nagata
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Publication number: 20240129088Abstract: A communication apparatus includes a transmitting unit configured to transmit, to another communication apparatus, a signal requesting transmission of SRS (Sounding reference signal) in a resource autonomously selected; a receiving unit configured to receive the SRS from the another communication apparatus; and a control unit configured to perform measurement by using the SRS.Type: ApplicationFiled: March 5, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240129961Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device, and the transmission unit transmits information related to control of the second communication device to the first communication device in a case where the connection to the first communication device is established.Type: ApplicationFiled: February 22, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shinya Kumagai, Shohei Yoshioka, Haruhi Echigo, Yuki Hokazono, Yuki Takahashi, Daisuke Kurita, Satoshi Nagata