Patents by Inventor Hiroki Harada

Hiroki Harada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • RADIO BASE STATION AND TERMINAL
    Publication number: 20230135259
    Abstract: A BS (100) receives, from UE (200B), terminal location information indicating a location of the UE (200B). The BS (100) selects an antenna beam for the UE (200A) to be transmitted from the BS (100) based on the terminal location information.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 4, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Satoshi Nagata
  • Terminal, radio communication method, base station, and system
    Patent number: 11638168
    Abstract: A terminal is disclosed that includes a receiver that receives a measurement configuration including an information on a number of reports. The terminal also includes a processor that, when reporting of a cell-level measurement result is triggered, controls reporting of a beam-level measurement result based on the information on the number of reports, where the measurement configuration includes a maximum number of beam-level measurement result reports. In other aspects, a radio communication method, a base station, and a system are also disclosed.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: April 25, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Jing Wang, Liu Liu, Huiling Jiang
  • User equipment and random access method
    Patent number: 11632800
    Abstract: A user equipment communicating with a base station in a wireless communication system including the base station and the user equipment, the user equipment including: a storage unit configured to store correspondence information where an identifier of a beam formed by the base station and configuration information used for transmission of a random access signal are associated with each other; a selection unit configured to select a specific beam on the basis of reception quality of signals transmitted from the base station by using a plurality of different beams and select configuration information corresponding to the specific beam on the basis of the correspondence information; and a transmission unit configured to transmit the random access signal to the base station by using the configuration information selected by the selection unit.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: April 18, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Kazuki Takeda, Kazuaki Takeda, Hiroki Harada, Satoshi Nagata
  • TERMINAL
    Publication number: 20230109830
    Abstract: A UE receives downlink control information from a network and schedules a plurality of component carriers using the downlink control information. The UE applies information of a bandwidth part indicated by the downlink control information to the plurality of component carriers.
    Type: Application
    Filed: March 23, 2020
    Publication date: April 13, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Shinya Kumagai, Yuki Matsumura, Yuki Takahashi, Satoshi Nagata
  • TERMINAL
    Publication number: 20230113116
    Abstract: A terminal includes: a receiving unit that receives downlink control information from a network; and a controller that, when a component carrier group formed from a plurality of component carriers is activated or applied, uses the downlink control information received via any one of the plurality of component carriers to control communication among the plurality of component carriers.
    Type: Application
    Filed: March 23, 2020
    Publication date: April 13, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Yuki Matsumura, Hiroki Harada
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20230107215
    Abstract: A terminal includes a reception unit configured to receive control information including information for allocating a plurality of uplink transmissions, from a base station, a control unit configured to identify a parameter applied to the plurality of uplinks, based on the control information, and a transmission unit configured to transmit the plurality of uplinks to the base station by applying the identified parameter to the plurality of uplinks.
    Type: Application
    Filed: February 19, 2021
    Publication date: April 6, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Hiroki Harada, Satoshi Nagata
  • Steel sheet having a hot-dip Zn—Al—Mg-based coating film excellent in terms of surface appearance and method of manufacturing the same
    Patent number: 11618938
    Abstract: A steel sheet has a hot-dip Zn—Al—Mg-based coating film, the coating film containing 1 mass % to 22 mass % of Al and 0.1 mass % to 10 mass % of Mg on a surface of the steel sheet, in which an X-ray diffraction peak intensity ratio of a Mg—Zn compound phase in the coating film, that is, MgZn2/Mg2Zn11, is 0.2 or less.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: April 4, 2023
    Assignee: JFE Steel Corporation
    Inventors: Hiroki Harada, Kazuhisa Okai, Hiroshi Kajiyama
  • TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20230101239
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section configured to receive information on association between services and resources; and a transmitting section configured to perform transmission processing by using a resource that is included in the information on association and corresponds to a service to be used. According to one aspect of the present disclosure, when there are TRPs to which different services are applied, communication can be appropriately controlled.
    Type: Application
    Filed: October 11, 2019
    Publication date: March 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Hiroki Harada, Satoshi Nagata
  • TERMINAL
    Publication number: 20230102996
    Abstract: A UE receives downlink control information from a network and schedules a plurality of component carriers using the downlink control information. The UE applies information of transmission configuration indication indicated by the downlink control information to the plurality of component carriers.
    Type: Application
    Filed: March 23, 2020
    Publication date: March 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Shinya Kumagai, Yuki Matsumura, Yuki Takahashi, Satoshi Nagata
  • TERMINAL, COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230090144
    Abstract: A terminal includes a receiving unit that receives, from a base station, a plurality of signals for assigning a resource for an uplink transmission; a control unit that configures, upon receiving the plurality of signals, at least one of a channel access type for the uplink transmission or a CP extension value for the uplink transmission based on an index included in one or more signals of the plurality of signals; and a transmitting unit that executes the uplink transmission by applying the at least one of the configured channel access type or the configured CP extension value.
    Type: Application
    Filed: February 8, 2021
    Publication date: March 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Hiroki Harada, Satoshi Nagata
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20230085580
    Abstract: A terminal includes: a reception unit configured to receive information indicating overhead due to a reference signal of a first RAT (Radio Access Technology); and a control unit configured to determine a transport block size of a data signal of a second RAT based on the information indicating the overhead. The reception unit receives the data signal based on the determined transport block size.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Hiroki Harada
  • TERMINAL AND BASE STATION
    Publication number: 20230076250
    Abstract: A terminal includes a receiving unit that receives a transport block, and that receives, at a first timing at which a portion of the whole transport block is received, control information on another portion of the transport block to be received at a second timing after the first timing; and a transmitting unit that transmits feedback information on reception of the control information while the receiving unit receives the transport block.
    Type: Application
    Filed: February 7, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Shinya Kumagai, Daisuke Kurita, Satoshi Nagata
  • RADIO COMMUNICATION NODE
    Publication number: 20230072350
    Abstract: A radio communication node is disclosed including a transmitting/receiving unit that transmits/receives a radio signal to/from an upper node forming an integrated access backhaul; and a control unit that reports, to the upper node, power control information used for transmission power control of a downlink in the upper node.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
  • TERMINAL AND BASE STATION
    Publication number: 20230076328
    Abstract: A terminal includes a receiver that receives configuration information transmitted from a base station in a high frequency band higher than or equal to a frequency band of a Frequency Range 2 (FR2) in a frequency range a New Radio (NR) system formed of a Frequency Range 1 (FR1), which is a low frequency range, and the FR2, which is a high frequency range; and a controller that modifies, based on the configuration information, an interpretation of at least one of a counter DAI and a total DAI in a Downlink Assignment Indicator (DAI) included in control information to be received from the base station.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Shinya Kumagai, Satoshi Nagata
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20230071680
    Abstract: A terminal includes a communication unit configured to transmit and receive a multi-carrier signal in a frequency band equal to or higher than a predetermined frequency, and a control unit configured to determine a first frame structure of the multi-carrier signal, wherein in the first frame structure, at least one of a subcarrier spacing and a number of resource blocks in a maximum channel bandwidth, a CP (cyclic prefix) ratio, and a time unit or a frequency unit of scheduling is different from a second frame structure of the multi-carrier signal in a frequency band equal to or lower than the predetermined frequency.
    Type: Application
    Filed: February 7, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Shinya Kumagai, Daisuke Kurita, Satoshi Nagata
  • User terminal and radio communication method
    Patent number: 11601903
    Abstract: In order to appropriately control receiving operation in a UE even when a synchronization signal block and a given reference signal overlap with each other in a time resource, a user terminal according to an aspect of the present disclosure includes: a receiving section that receives a synchronization signal block and a given reference signal; and a control section that, when the synchronization signal block and the given reference signal are configured in the same time resource, controls reception of the synchronization signal block and the given reference signal based on a quasi-colocation (QCL) relationship and a subcarrier spacing of the synchronization signal block and the given reference signal.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: March 7, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Masaya Okamura, Hiroki Harada, Satoshi Nagata
  • TERMINAL AND BASE STATION
    Publication number: 20230059563
    Abstract: A terminal includes a reception unit that receives a synchronization signal block in a licensed band of a high frequency band higher than or equal to a frequency band of a frequency range 2 (FR2), the FR2 being in a range including a frequency range 1 (FR1) that is a low frequency band and the FR2 that is a high frequency band in a new radio (NR) system; and a control unit that identifies a candidate position for transmitting the synchronization signal block based on a sequence of a demodulation reference signal of a broadcast channel included in the synchronization signal block and a payload of the broadcast channel.
    Type: Application
    Filed: January 24, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Satoshi Nagata, Jing Wang
  • TERMINAL AND BASE STATION
    Publication number: 20230057833
    Abstract: A terminal includes a reception unit that receives configuration information in an unlicensed band of a high frequency band higher than or equal to a frequency band of a frequency range 2 (FR2) between a frequency range 1 (FR1) that is a low frequency band and the FR2 that is a high frequency band in a new radio (NR) system; and a control unit that configures at least one of a channel configuration based on a channel raster point selected by a base station, or a control resource set configuration in the unlicensed band based on the configuration information.
    Type: Application
    Filed: January 24, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Kurita, Satoshi Nagata, Jing Wang
  • TERMINAL AND BASE STATION
    Publication number: 20230058397
    Abstract: A terminal including a receiver that receives a signal transmitted from a base station on a downlink shared channel in a high frequency band higher than or equal to a frequency band of a Frequency Range 2 (FR2), in a frequency range formed of a Frequency Range 1 (FR1), which is a low frequency band, and the FR2, which is a high frequency band, in a New Radio (NR) system; a controller that generates feedback information for reception of the signal; and a transmitter that transmits the feedback information, wherein the controller sets an offset from the reception of the signal to the transmission of the feedback information to be greater than a predetermined offset value.
    Type: Application
    Filed: February 13, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Shohei Yoshioka, Shinya Kumagai, Satoshi Nagata
  • Terminal and radio communication method
    Patent number: 11589378
    Abstract: A terminal is disclosed that includes a receiver that receives downlink control information using search space including a plurality of subsets to which precoding is applied and a processor that controls to perform transmission or reception of a shared channel based on the downlink control information. In other aspects, a radio communication method for a terminal is also disclosed.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 21, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Hiroki Harada, Satoshi Nagata