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    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    1.
    发明申请
    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION 有权

    公开(公告)号：US20250167967A1

    公开(公告)日：2025-05-22

    申请号：US18841149

    申请日：2023-02-10

    Applicant: NTT DOCOMO, INC.

    Inventor： Yuki Matsumura ,  Satoshi Nagata

    IPC: H04L5/00 ,  H04W72/232

    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a list indicating transmission configuration indication (TCI) states applicable to a plurality of types of signals and a configuration related to a field in downlink control information for indication of one or more TCI states in the list; and a control section that determines a size of the field on the basis of at least one of the list, the configuration, and capability information related to the indication. An aspect of the present disclosure allows a TCI state to be appropriately recognized.

    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    2.
    发明申请
    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION 有权

    公开(公告)号：US20250158772A1

    公开(公告)日：2025-05-15

    申请号：US18836625

    申请日：2022-02-10

    Applicant: NTT DOCOMO, INC.

    Inventor： Yuki Matsumura ,  Satoshi Nagata ,  Jing Wang ,  Lan Chen

    IPC: H04L5/00 ,  H04L1/00

    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a configuration of a demodulation reference signal (DMRS), and a control section that controls transmission and reception of the DMRS, based on one or more associations between a plurality of code division multiplexing (CDM) groups and a plurality of DMRS ports and the configuration. The number of the plurality of DMRS ports for DMRS configuration type 1 is larger than 8, and the number of the plurality of DMRS ports for DMRS configuration type 2 is larger than 12. The plurality of DMRS ports include a first plurality of DMRS ports and a second plurality of DMRS ports. According to one aspect of the present disclosure, an appropriate number of DMRS ports can be used.

    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    4.
    发明申请
    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION 有权

    公开(公告)号：US20250133598A1

    公开(公告)日：2025-04-24

    申请号：US18682289

    申请日：2022-08-16

    Applicant: NTT DOCOMO, INC.

    Inventor： Yuki Matsumura ,  Satoshi Nagata ,  Jing Wang ,  Weiqi Sun

    IPC: H04W74/0833 ,  H04W52/04

    Abstract: To properly perform communication even in a case where communication is performed using a plurality of transmission points. A terminal according to an aspect of the present disclosure includes: a receiving section that receives a downlink control channel indicating transmission of a random access channel to at least one of a serving cell and a non-serving cell; and a control section that controls transmission of the random access channel on the basis of at least one of a random access channel configuration corresponding to a given cell and power information regarding a synchronization signal block corresponding to the given cell when the random access channel is transmitted on the basis of the downlink control channel.

    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    5.
    发明申请
    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION 有权

    公开(公告)号：US20250089068A1

    公开(公告)日：2025-03-13

    申请号：US18726654

    申请日：2022-01-07

    Applicant: NTT DOCOMO, INC.

    Inventor： Yuki Matsumura ,  Satoshi Nagata ,  Jing Wang ,  Weiqi Sun

    IPC: H04W72/232 ,  H04L5/00

    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives control information for mapping one or more TCI states to a codepoint of one transmission configuration indication (TCI) field and that receives one or more pieces of downlink control information (DCI) for indicating a first TCI state applicable to a plurality of types of first signals and a second TCI state applicable to a plurality of types of second signals, and a control section that applies the first TCI state to the first signals and that applies the second TCI state to the second signals, based on the control information and the codepoint of the TCI field included in the DCI. The first signal and the second signal are at least one of two physical downlink control channels (PDCCHs) linked to each other, a single frequency network (SFN) PDCCH, an SFN physical downlink shared channel (PDSCH), physical uplink shared channel (PUSCH) repetition transmission, and physical uplink control channel (PUCCH) repetition transmission. According to one aspect of the present disclosure, it is possible to appropriately perform TCI state indication.

    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    6.
    发明申请
    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION 有权

    公开(公告)号：US20250089065A1

    公开(公告)日：2025-03-13

    申请号：US18294366

    申请日：2021-08-04

    Applicant: NTT DOCOMO, INC.

    Inventor： Yuki Matsumura ,  Akihito Hanaki ,  Tianyang Min ,  Keisuke Saito ,  Hidekazu Shimodaira ,  Satoshi Nagata

    IPC: H04W72/232 ,  H04L5/00

    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a configuration indicating that disabling or enabling of a transform precoder for a physical downlink shared channel (PUSCH) is dynamically switched by at least one of downlink control information (DCI) and a Medium Access Control Control Element (MAC CE), and a control section that uses, as a period from reception of the DCI until transmission of the PUSCH, a second period longer than a first period in a case where the waveform is not switched. According to one aspect of the present disclosure, it is possible to easily perform switching of a waveform.

    TERMINAL AND COMMUNICATION METHOD
    7.
    发明申请
    TERMINAL AND COMMUNICATION METHOD 有权

    公开(公告)号：US20250071692A1

    公开(公告)日：2025-02-27

    申请号：US18721032

    申请日：2021-12-27

    Applicant: NTT DOCOMO, INC.

    Inventor： Shohei Yoshioka ,  Naoya Shibaike ,  Satoshi Nagata

    IPC: H04W52/26 ,  H04W52/34

    Abstract: A terminal includes: a control unit configured to perform a process related to transmission in a case where one or more of feedback channels in a first carrier overlap in at least a time domain with either a channel or a signal in a second carrier in a device to device direct communication in which carrier aggregation is applied; and a transmission unit configured to transmit at least one of: the one or more of the feedback channels; or the channel or the signal. The control unit performs prioritization regarding which channel or signal is to be prioritized, and performs at least one of controlling of transmission power or stopping of transmission, based on the prioritization.

    Terminal and communication method for identifying a resource for a response
    8.
    发明授权
    Terminal and communication method for identifying a resource for a response 有权

    公开(公告)号：US12237958B2

    公开(公告)日：2025-02-25

    申请号：US17777847

    申请日：2020-10-02

    Applicant: NTT DOCOMO, INC.

    Inventor： Shohei Yoshioka ,  Satoshi Nagata

    IPC: H04L27/26 ,  H04L1/08 ,  H04W92/18

    Abstract: A terminal includes a reception unit configured to receive data from another terminal, a control unit configured to identify, based on a pair of cyclic shifts, a resource in which a channel is arranged, the channel being used for transmitting and receiving a response related to a retransmission control corresponding to the data, and a transmission unit configured to transmit the response related to the retransmission control corresponding to the data using the identified resource. The pair of the cyclic shifts or an index given to the pair of cyclic shifts is determined based on a phase rotation.

    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    9.
    发明申请
    TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION 有权

    公开(公告)号：US20250063604A1

    公开(公告)日：2025-02-20

    申请号：US18721045

    申请日：2021-12-24

    Applicant: NTT DOCOMO, INC.

    Inventor： Yuki Matsumura ,  Naoya Shibaike ,  Satoshi Nagata ,  Jing Wang ,  Qiping Pi ,  Lan Chen

    IPC: H04W74/0833 ,  H04W16/28

    Abstract: A terminal according to one aspect of the present disclosure includes a transmitting section that transmits a plurality of repetitions of a physical random access channel by using a plurality of different beams, and a control section that determines a reference beam corresponding to one of the plurality of different beams and that determines, on the basis of reception of a response to the physical random access channel, a subsequent uplink beam, the reception using the reference beam. According to one aspect of the present disclosure, it is possible to improve coverage in a random access procedure.

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