Patents Assigned to NTT Docomo
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Patent number: 12075274Abstract: Provided is a user equipment including: a receiving unit that receives at least one of configuration information of inter-radio access technology (RAT) measurement in a frequency range (FR) 2, configuration information of inter-RAT measurement other than the FR2, and configuration information of a measurement gap for each user equipment from a base station apparatus; and a control unit that performs the inter-RAT measurement other than the FR2 within the measurement gap for each user equipment and performs the inter-RAT measurement in the FR2 outside the measurement gap for each user equipment.Type: GrantFiled: March 29, 2019Date of Patent: August 27, 2024Assignee: NTT DOCOMO, INC.Inventors: Takuma Takada, Naoki Fujimura
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Patent number: 12075251Abstract: A network node includes a receiving unit configured to receive, from a management node, information for improving security of communication between network nodes, and a control unit configured to receive a request transmitted from a first network node arranged in a first PLMN (Public Land Mobile Network) based on the information for improving security, and transmit the request to a second network node arranged in a second PLMN.Type: GrantFiled: February 4, 2020Date of Patent: August 27, 2024Assignee: NTT DOCOMO, INC.Inventors: Atsushi Minokuchi, Jari Mutikainen, Riccardo Guerzoni
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Patent number: 12074656Abstract: A terminal includes a receiving unit that receives a reference signal for acquiring a channel state and a control unit that performs measurement related to RSRP (Reference signal received power), based on a result of receiving the reference signal, and subcarrier spacing to be applied to the reference signal.Type: GrantFiled: December 13, 2019Date of Patent: August 27, 2024Assignee: NTT DOCOMO, INC.Inventors: Yuichi Kakishima, Takuma Takada
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Patent number: 12075336Abstract: A user equipment includes a receiving unit configured to receive system information from a cell, a control unit configured to determine, based on an information element and identifiers, whether or not the cell is a candidate to be selected, the information element indicating other uses included in the system information and identifiers being of a plurality of closed access groups (CAGs) identifying groups of subscribers who are allowed to access the cell, and a communication unit configured to perform access to the cell in a case in which the control unit determines that the cell is the candidate to be selected.Type: GrantFiled: March 27, 2019Date of Patent: August 27, 2024Assignee: NTT DOCOMO, INC.Inventors: Hideaki Takahashi, Tooru Uchino
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Publication number: 20240284192Abstract: A radiowave propagation estimation device uses identification information enabling an object including a structure to be identified, and map data including the structure, to extract a structure of the object which is visible from both a direct or pseudo transmission point of radiowaves and a direct or pseudo reception point of the radiowaves, on the basis of the identification information. The radiowave propagation estimation device estimates a propagation characteristic of the radiowaves by using information indicating a characteristic of the extracted structure of the object.Type: ApplicationFiled: August 9, 2022Publication date: August 22, 2024Applicant: NTT DOCOMO, INC.Inventors: Takahiro Tomie, Satoshi Suyama, Yasuhiro Oda
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Publication number: 20240284193Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives a synchronization signal block including a first signal and a second signal; and a control section that controls the reception of the synchronization signal block by assuming that a first beam used for the first signal is different from a second beam used for the second signal. According to one aspect of the present disclosure, coverage can be improved by taking account of overhead.Type: ApplicationFiled: July 30, 2021Publication date: August 22, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Naoya Shibaike, Hiroki Harada, Haruhi Echigo, Satoshi Nagata
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Publication number: 20240283498Abstract: The present disclosure provides a reconfigurable intelligent surface, including: a receiving unit which receives subarray division setting information sent from a base station; a reconfigurable panel; and a processing unit, which divides, based on the subarray division setting information, the reconfigurable panel into M subarrays, where M is a positive integer greater than 1, wherein, the subarray division setting information is determined based on a distance between a target device and the reconfigurable panel, N subarrays of the M subarrays serve one target device, and N is a positive integer greater than 1 and less than or equal to M.Type: ApplicationFiled: July 22, 2021Publication date: August 22, 2024Applicant: NTT DOCOMO, INC.Inventors: Xiang Li, Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama
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Publication number: 20240283570Abstract: A terminal is disclosed including a control section that determines a starting position of bit selection in a first bit sequence based on a redundancy version and determines a starting position of bit selection in an n-th bit sequence based on a last bit of an n?1-th bit sequence, the first bit sequence being transmitted in a first slot within N slots allocated for a transmission method of transmitting a transmission block over a plurality of slots, the n-th bit sequence being transmitted in an n-th slot except for the first slot within the N slots, the n?1-th bit sequence being transmitted in an n?1-th slot within the N slots, n being an integer of two or more and N or less; and a transmission section that transmits the first bit sequence in the first slot and transmits the n-th bit sequence in the n-th slot.Type: ApplicationFiled: June 18, 2021Publication date: August 22, 2024Applicant: NTT DOCOMO, INC.Inventors: Haruhi Echigo, Daisuke Kurita, Hiroki Harada
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Publication number: 20240283559Abstract: This terminal includes: a reception unit that receives a response message in a random access channel procedure; and a control unit that, on the basis of information contained in uplink permission contained in the response message, determines the number of uplink signal repetitions scheduled in the uplink permission.Type: ApplicationFiled: June 18, 2021Publication date: August 22, 2024Applicant: NTT DOCOMO, INC.Inventors: Haruhi Echigo, Hiroki Harada, Daisuke Kurita
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Publication number: 20240284433Abstract: This terminal includes: a control unit that multiplexes a first code book for a response signal of a signal that is included in a first slot and is dynamically scheduled, and a second code book for a response signal of a signal that is included in a second slot and that is semi-dynamically scheduled, the second slot being an uplink cell slot different from the first slot and overlapping with the first slot; and a transmission unit that transmits the first code book and the second code book that have been multiplexed.Type: ApplicationFiled: August 5, 2021Publication date: August 22, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Satoshi Nagata, Qiping Pi, Jing Wang, Lan Chen
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Patent number: 12069665Abstract: The present invention is designed so that uplink control information such as delivery acknowledgment signals can be transmitted properly, even when UL/DL configurations are changed, in a communication system that is configured to use listening. According to one aspect of the present invention, a user terminal has a receiving section that receives downlink control information and downlink data, a transmission section that transmits a delivery acknowledgment signal in response to the downlink data, and a control section that controls transmission of the delivery acknowledgment signal based on a result of UL listening which is executed before transmission of the delivery acknowledgment signal, and based on information that is contained in the downlink control information and/or timing that is configured in advance on a per DL burst basis.Type: GrantFiled: September 7, 2017Date of Patent: August 20, 2024Assignee: NTT DOCOMO, INC.Inventors: Hiroki Harada, Satoshi Nagata, Jing Wang, Liu Liu, Huiling Jiang
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Patent number: 12069624Abstract: To configure proper time intervals to meet various communication requirements in radio communication systems, and perform various types of processing in the time interval, a user terminal is provided with a transmitting/receiving section that receives numerology information on numerology, and a control section that controls transmission of an uplink signal and/or reception of a downlink signal, according to a basic time unit determined based on configuration information including the numerology information.Type: GrantFiled: November 1, 2017Date of Patent: August 20, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuaki Takeda, Kazuki Takeda, Satoshi Nagata
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Patent number: 12069003Abstract: A user terminal according to one aspect of the present disclosure includes: a receiving section that receives downlink control information using a certain downlink control information format; and a control section that determines activation or deactivation of a secondary cell, based on the downlink control information. According to one aspect of the present disclosure, it is possible to control activation at higher speed.Type: GrantFiled: July 6, 2018Date of Patent: August 20, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Shohei Yoshioka, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Xiaolin Hou
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Publication number: 20240275560Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines a transmission configuration indication (TCI) state to apply to a physical downlink shared channel (PDSCH), based on at least one of whether Doppler pre-compensation is applied to the PDSCH, a frequency range, a magnitude relation between an offset from reception of downlink control information (DCI) for scheduling the PDSCH to reception of the PDSCH and a threshold value, and the DCI; and a receiving section that receives the PDSCH by using the TCI state. According to one aspect of the present disclosure, operation related to a TCI state/default TCI state can be appropriately controlled.Type: ApplicationFiled: September 29, 2021Publication date: August 15, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata
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Publication number: 20240275433Abstract: The present disclosure provides a base station. The base station includes: a control unit configured to determine configuration information regarding a reconfigurable surface device based on location of a user equipment; and a transmitting unit configured to send the configuration information to the reconfigurable surface device so that the reconfigurable surface device determines a codebook used by the reconfigurable surface device based on the configuration information.Type: ApplicationFiled: July 22, 2021Publication date: August 15, 2024Applicant: NTT DOCOMO, INC.Inventors: Xiang Li, Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama
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Patent number: 12063644Abstract: A user terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information indicating association between a scheduling request (SR) configuration and a service, and a control section that, when a first time resource of an SR corresponding to a first service contends with a second time resource of an uplink transmission corresponding to a second service, performs transmission of at least one of the SR and the uplink transmission based on the configuration information.Type: GrantFiled: January 16, 2020Date of Patent: August 13, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang
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Patent number: 12063521Abstract: A user equipment includes a reception unit that performs a measurement for determining an optimum beam from among a plurality of reception beams that is usable in the user equipment; and a control unit that selects, based on information of a past measurement by the reception unit, a reception beam to be used in the user equipment, upon receiving, by the reception unit, a signal including information indicating to update a configuration.Type: GrantFiled: March 20, 2019Date of Patent: August 13, 2024Assignee: NTT DOCOMO, INC.Inventors: Naoki Fujimura, Takuma Takada, Yuichi Kakishima
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Patent number: 12063130Abstract: A terminal includes a transmitting and receiving unit and a control unit. The transmitting and receiving unit transmits and receives a slot including a plurality of symbols. The control unit determines number of symbols included in a sub-frame on the basis of a time length of the symbol. The control unit determines the number of symbols included in the sub-frame according to a degree of modulation at which the time length of the symbol varies.Type: GrantFiled: May 17, 2023Date of Patent: August 13, 2024Assignee: NTT DOCOMO, INC.Inventors: Hiroki Harada, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xin Wang, Xiaolin Hou
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Patent number: 12063642Abstract: A communication apparatus includes a receiving unit configured to receive data on a sidelink shared channel; a control unit configured to generate acknowledgement information about the received data; and a transmitting unit configured to, upon detecting that a first elapsed time from receiving the data by the receiving unit until a timing for transmitting the acknowledgement information via a sidelink is shorter than a first reference time, defer the timing for transmitting the acknowledgement information via the sidelink until the first elapsed time becomes longer than or equal to the first reference time.Type: GrantFiled: April 30, 2019Date of Patent: August 13, 2024Assignee: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang
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Patent number: 12063688Abstract: To properly receive a preamble and/or a message in a random access procedure in communication using beam forming, and perform random access with efficiency, a user terminal of the present invention is a user terminal for communicating with a radio base station using a plurality of types of beam forming, and is characterized by having a receiving section that receives a DL signal transmitted from the radio base station, a transmitting section that transmits a random access preamble (PRACH), and a control section that controls to transmit the PRACH including beam information on a beam of the radio base station.Type: GrantFiled: September 29, 2017Date of Patent: August 13, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuaki Takeda, Kazuki Takeda, Hiroki Harada, Satoshi Nagata