Patents by Inventor Tatsuki NAGANO

Tatsuki NAGANO 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).

  • Publication number: 20240163049
    Abstract: A communication apparatus includes: a receiver configured to receive a system information block from a base station, the system information block including one or a plurality of tracking reference signal (TRS) resource configurations for the communication apparatus in a radio resource control (RRC) idle state or an RRC inactive state. The receiver receives downlink control information (DCI) including a TRS field relating to availability of the one or the plurality of TRS resource configurations, from the base station. The system information block further includes: information for configuring a correspondence between each TRS resource configuration in the one or the plurality of TRS resource configurations and a bit of the TRS information field indicating availability of the TRS resource configuration; and information for configuring a validity duration for the TRS field.
    Type: Application
    Filed: January 26, 2024
    Publication date: May 16, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240163790
    Abstract: A communication method includes the steps of: obtaining, from a base station, a system information block indicating a plurality of TRS resource set configurations in a radio resource control (RRC) idle state or an RRC inactive state; and receiving the TRS from the base station using a TRS resource set configuration selected from the plurality of TRS resource set configurations. The system information block includes condition information that specifies a condition under which the communication apparatus can select the TRS resource set configuration for each TRS resource set configuration.
    Type: Application
    Filed: January 26, 2024
    Publication date: May 16, 2024
    Inventors: Tatsuki Nagano, Hideaki Takahashi
  • Publication number: 20240154757
    Abstract: A terminal includes: a receiving unit which receives information about resources for a plurality of tracking reference signals (TRS) and information indicative of a correspondence of each of the resources for the plurality of TRS to a value of a TRS availability indication field and receives downlink control information including the value of the TRS availability indication field through a physical downlink control channel; and a control unit which identifies the each of the resources for the plurality of TRS based on the value of the field for the TRS availability indication.
    Type: Application
    Filed: December 27, 2023
    Publication date: May 9, 2024
    Inventor: Tatsuki NAGANO
  • Publication number: 20240129817
    Abstract: A terminal includes: a receiving unit which receives system information including information on a resource and/or a period for a tracking reference signal (TRS); and a control unit which controls reception of downlink control information including indication information about availability of the TRS in a resource and/or a period configured based on the system information. The control unit controls validity time of the indication information included in the downlink control information based on information about the validity time, the information being included in the system information.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventor: Tatsuki Nagano
  • Publication number: 20240089914
    Abstract: A terminal includes: a receiving unit which receives, from a base station, system information including information for indicating a total number of subgroups of a paging occasion and information for indicating a number of paging occasions, and which receives, from the base station, first downlink control information including a field for indicating a subgroup of the paging occasion; and a control unit which determines a number of bits for the field based on the information for indicating the total number of subgroups and the information for indicating the number of paging occasions, and which controls monitoring of a physical downlink control channel (PDCCH) for second downlink control information in the paging occasion based on a value of the field.
    Type: Application
    Filed: November 6, 2023
    Publication date: March 14, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240073860
    Abstract: A terminal includes: a receiving unit which receives, from a base station, system information including information for indicating a total number of subgroups of a paging occasion and information for indicating a number of paging occasions for a paging frame, and which receives, from the base station, first downlink control information including a field for indicating a subgroup of the paging occasion; and a control unit which determines the subgroup of the paging occasion to which the terminal belongs, based on the information for indicating the total number of subgroups of the paging occasion, the information for indicating the number of paging occasions for the paging frame, and an identifier of the terminal, which determines a number of bits for the field based on the information for indicating the total number of subgroups of the paging occasion, and which controls monitoring of a physical downlink control channel (PDCCH) for second downlink control information in the paging occasion based on a value of
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240073864
    Abstract: A terminal includes: a receiving unit which receives, from a core network device, an identifier of a subgroup of a paging occasion to which the terminal belongs, and which receives, from a base station, system information including information for indicating a total number of subgroups of the paging occasion and information for indicating a number of paging occasions corresponding to one Paging Early Indication (PEI) monitoring occasion; and a control unit which performs monitoring of a physical downlink control channel (PDCCH) for first downlink control information (DCI) including a field of a PEI in the PEI monitoring occasion, wherein the control unit performs monitoring of a PDCCH for second DCI in the paging occasion in a case where a value of the PEI indicates the subgroup of the paging occasion to which the terminal belongs; and performs no monitoring of the PDCCH for the second DCI in the paging occasion in a case where the PEI is not detected, or a value of the PEI does not indicate the subgroup of t
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240073863
    Abstract: A terminal includes: a receiving unit which receives, from a base station, system information including information for configuring an index of a search space set for physical downlink control channel (PDCCH) monitoring for a downlink control information (DCI) format including Paging Early Indication (PEI); and a control unit which monitors the PDCCH for the DCI format including the PEI in a PDCCH monitoring occasion for Remaining system information (RMSI) in a case where the index of the search space is configured to be 0 based on the information for configuring the index, and which monitors the PDCCH for the DCI format including the PEI in a PDCCH monitoring occasion for the PEI in a case where the index of the search space is configured to be other than 0 based on the information for configuring the index.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240031911
    Abstract: A terminal includes a receiving unit which receives a system information block 1 (SIB1); and a control unit which determines: whether or not first information indicating that a Reduced Capability (RedCap) terminal is allowed to camp on a cell is included in the SIB1, and whether or not second information indicating that whether or not the cell is barred for a RedCap terminal with a specific number of receivers is included in the SIB1 in a case where the first information is included in the SIB1, wherein the control unit determines whether or not the cell is barred for the RedCap terminal with the specific number of receivers based on the second information.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 25, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240023068
    Abstract: A user equipment is configured to communicate with a plurality of networks using a plurality of subscriber identity modules, the user equipment communicates with a base station of a first network. The user equipment performs inter-network measurement for measuring a difference in system frame number and a difference in frame timing between the first network and a second network. The user equipment transmits a radio resource control (RRC) message including a difference measurement result obtained by the inter-network measurement to the base station.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Tatsuki NAGANO, Tomoyuki YAMAMOTO
  • Publication number: 20240015641
    Abstract: A terminal includes: a receiving unit which receives system information including information indicating a minimum reception level in a cell; and a control unit which controls cell selection and/or cell reselection based on a reception level value derived based on the information used for indicating the minimum reception level and a value for a terminal with a specific number of receivers to the minimum reception level, wherein the value for the terminal with the specific number of receivers to the minimum reception level is a predetermined value for a terminal with a single receiver.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 11, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240015835
    Abstract: A user equipment is configured to communicate with a plurality of networks using a plurality of subscriber identity modules. The user equipment communicates with a base station of a first network included in the plurality of networks. The user equipment determines whether or not a second network included in the plurality of networks is synchronized with the first network. The user equipment transmits, to the base station, a radio resource control (RRC) message including an information element indicating whether or not the second network is synchronized with the first network.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Inventors: Tatsuki NAGANO, Tomoyuki YAMAMOTO
  • Publication number: 20230422074
    Abstract: A user equipment for communicating with a plurality of networks using a plurality of subscriber identity modules communicates with a base station of a first network. The user equipment acquires a measurement timing configuration indicating a timing at which the user equipment measures a radio condition in a second network. The user equipment transmits a radio resource control message including an information element based on the measurement timing configuration to the base station.
    Type: Application
    Filed: September 13, 2023
    Publication date: December 28, 2023
    Inventors: Tatsuki NAGANO, Tomoyuki YAMAMOTO
  • Publication number: 20230403724
    Abstract: A terminal includes: a receiving unit configured to: receive system information including information used for configuring a resource for a reference signal for tracking and receive on a physical downlink control channel, downlink control information used for scheduling of a physical downlink shared channel; and a control unit configured to: use, in an idle state or an inactive state, the resource for the reference signal for tracking, the resource being configured based on the information used for configuring the resource for the reference signal for tracking, and control, in a connected state, reception of the physical downlink shared channel such that the resource configured based on the information used for configuring the resource for the reference signal for tracking is ignored.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 14, 2023
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI