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).

  • Patent number: 11664918
    Abstract: A terminal is disclosed including a receiver that receives a synchronization signal/physical broadcast channel (SS/PBCH) block including a synchronization signal (SS) and a physical broadcast channel (PBCH); and a processor that determines a control resource set based on configuration information in a configuration information set of a plurality of configuration information sets, the configuration information set being associated with information based on the SS/PBCH block, the configuration information being associated with a value of a field in the PBCH, and the configuration information including a plurality of parameters regarding the control resource set. In other aspects, a radio communication method and a base station are also disclosed.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: May 30, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Kazuki Takeda, Hiroki Harada, Yousuke Sano
  • Patent number: 11659504
    Abstract: A terminal is disclosed including a receiver that detects a synchronization signal (SS)/physical broadcast channel (PBCH) block including an SS and a PBCH; and a processor that determines a resource for monitoring a downlink control channel based on a field in the PBCH, and at least one of a first subcarrier spacing of the SS/PBCH block, a second subcarrier spacing of the resource, a frequency band, and an index of the SS/PBCH block. In other aspects, a radio communication method for a terminal and a base station are also disclosed.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: May 23, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daiki Takeda, Daisuke Murayama, Satoshi Nagata
  • Publication number: 20230155780
    Abstract: User equipment UE (200) receives a demodulation reference signal from a network. The UE (200) restricts ports or combinations of the ports used for generation of the demodulation reference signal in a case of using a different frequency band different from a frequency band including one or a plurality of frequency ranges, or in a case of applying subcarrier spacing wider than subcarrier spacing for the case of using the frequency band.
    Type: Application
    Filed: April 22, 2020
    Publication date: May 18, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Hiroki Harada, Satoshi Nagata
  • Publication number: 20230155802
    Abstract: A radio communication node (100B) includes a cell information acquiring unit (165) that acquires a subcarrier interval to be set and a frequency range to be used; and a control unit (170) that sets a reference additional time included in a time difference from transmission in a serving cell to reception in the radio communication node and the granularity applied to the reference additional time based on the subcarrier interval and the frequency range.
    Type: Application
    Filed: April 9, 2020
    Publication date: May 18, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
  • Publication number: 20230145166
    Abstract: A radio communication node (300) receives downlink data for UE (200) from a network in an area where high-speed data communication is possible. The radio communication node (300) transmits downlink data that is retained to UE (200) when radio communication with UE (200) is made possible by a movement of the radio communication node (300) or UE (200).
    Type: Application
    Filed: March 19, 2020
    Publication date: May 11, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Satoshi Nagata
  • Publication number: 20230148261
    Abstract: A terminal assumes that a control channel is allocated to a low frequency band and a shared channel is allocated to a high frequency band which is higher than the low frequency band.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 11, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Satoshi Nagata
  • Publication number: 20230141660
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives downlink control information (DCI), and a control section that, when one piece of the DCI simultaneously schedules PDSCHs respectively transmitted on a plurality of component carriers (CCs), applies a TCI state based on a common rule to the PDSCHs. According to one aspect of the present disclosure, it is possible to apply an appropriate TCI state to a PDSCH.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 11, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Hiroki Harada, Satoshi Nagata
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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