公开(公告)号：US20240172312A1

公开(公告)日：2024-05-23

申请号：US18282946

申请日：2021-03-19

Applicant: NTT DOCOMO, INC.

Inventor： Hiroki Harada ,  Daisuke Kurita ,  Satoshi Nagata

IPC: H04W76/19 ,  H04L5/00

CPC classification number: H04W76/19 ,  H04L5/0048

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives one or more configurations for radio link monitoring, and a control section that monitors, on the basis of the one or more configurations, a plurality of reference signals corresponding to a plurality of respective communication points in a same carrier. According to one aspect of the present disclosure, it is possible to appropriately perform radio link/beam-related processing for a plurality of communication points.

公开(公告)号：US20240172311A1

公开(公告)日：2024-05-23

申请号：US18282941

申请日：2021-03-19

Applicant: NTT DOCOMO, INC.

Inventor： Hiroki Harada ,  Daisuke Kurita ,  Satoshi Nagata

IPC: H04W76/19 ,  H04L5/00

CPC classification number: H04W76/19 ,  H04L5/0048

Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives one or more configurations for beam failure detection; and a control section that monitors a plurality of reference signals corresponding to a plurality of respective communication points in the same carrier, based on the one or more configurations. According to one aspect of the present disclosure, it is possible to appropriately perform processing related to radio links/beams on a plurality of communication points.

公开(公告)号：US20240172249A1

公开(公告)日：2024-05-23

申请号：US18551712

申请日：2021-03-29

Applicant: NTT DOCOMO, INC.

Inventor： Naoya Shibaike ,  Hiroki Harada ,  Satoshi Nagata ,  Qiping Pi ,  Jing Wang ,  Lan Chen

IPC: H04W72/232 ,  H04W72/0446 ,  H04W72/1268

CPC classification number: H04W72/232 ,  H04W72/0446 ,  H04W72/1268

Abstract: A terminal includes: a reception unit configured to receive DCI (Downlink Control Information) including an index indicating a row in a TDRA (Time Domain Resource Allocation) table and an upper layer parameter from a base station; a control unit configured to determine positions of one or a plurality of PUSCHs (Physical Uplink Shared Channel) scheduled in a time domain, based on the index and the upper layer parameter; and a transmission unit configured to transmit the one or the plurality of PUSCHs to the base station. In a case where the upper layer parameter is configured to be enabled and the index indicates scheduling of a single PUSCH in the TDRA, the control unit determines that the single PUSCH is to be repeatedly transmitted.

公开(公告)号：US11991619B2

公开(公告)日：2024-05-21

申请号：US17054074

申请日：2018-05-10

Applicant: NTT DOCOMO, INC.

Inventor： Hiroki Harada ,  Daiki Takeda ,  Tomoya Ohara ,  Hideaki Takahashi ,  Kazuki Takeda

IPC: H04W48/12 ,  H04W48/16 ,  H04W72/04 ,  H04W72/23

CPC classification number: H04W48/12 ,  H04W48/16 ,  H04W72/23

Abstract: A terminal is disclosed including a receiver that receives configuration information regarding a physical downlink control channel (PDCCH) to configure a common search space; and a processor that monitors downlink control information in the common search space based on the configuration information, wherein the configuration information includes information regarding a search space that is able to be specified by bits in an index of a master information block (MIB) and information regarding a search space index associated with a given search space. In other aspects, a radio communication method, a base station, and a system are also disclosed.

公开(公告)号：US11968545B2

公开(公告)日：2024-04-23

申请号：US17441561

申请日：2019-03-29

Applicant: NTT DOCOMO, INC.

Inventor： Takuma Takada ,  Hiroki Harada ,  Naoki Fujimura

IPC: H04W16/28 ,  H04W24/08

CPC classification number: H04W16/28 ,  H04W24/08

Abstract: A user equipment includes a receiving unit that receives a reference signal from a secondary cell; a transmitting unit that transmits a result of a measurement of the reference signal; and a control unit that selects, when the secondary cell is deactivated after the transmitting unit transmits the result of the measurement and the secondary cell is reactivated, and when a time interval from a timing at which the transmitting unit transmits the result of the measurement until a timing at which the secondary cell is reactivated is within a predetermined time interval, a receiving beam that is applied to the secondary cell upon transmitting the result of the measurement by the transmitting unit, as a receiving beam to be applied to the reactivated secondary cell.

公开(公告)号：US20240121037A1

公开(公告)日：2024-04-11

申请号：US18544228

申请日：2023-12-18

Applicant: NTT DOCOMO, INC.

Inventor： Daisuke Kurita ,  Hiroki Harada ,  Jing Wang ,  Xiaolin Hou

IPC: H04L5/00

CPC classification number: H04L5/0003

Abstract: A radio communication node is disclosed including an upper node connecting unit that is used for connecting with an upper node; a lower node connecting unit that is used for connecting with a lower node; and a control unit that notifies the upper node or a network whether or not the upper node connecting unit and the lower node connecting unit are compatible with at least one of a space division multiplexing and a frequency division multiplexing. In another aspect, a radio communication method is also disclosed.

公开(公告)号：US20240090012A1

公开(公告)日：2024-03-14

申请号：US18262844

申请日：2021-01-26

Applicant: NTT DOCOMO, INC.

Inventor： Hiroki Harada ,  Daisuke Kurita ,  Mayuko Okano ,  Satoshi Nagata ,  Masaya Okamura ,  Tomoya Ohara

IPC: H04W72/542 ,  H04L5/00 ,  H04W72/20

CPC classification number: H04W72/542 ,  H04L5/0051 ,  H04W72/20

Abstract: A terminal comprises: a reception unit that receives a reference signal used for a purpose other than a measurement related to a radio resource management; and a control unit that performs the measurement related to the radio resource management using the reference signal.

公开(公告)号：US20240063969A1

公开(公告)日：2024-02-22

申请号：US18258913

申请日：2021-02-01

Applicant: NTT DOCOMO, INC.

Inventor： Xin Wang ,  Xiaolin Hou ,  Anxin Li ,  Lan Chen ,  Hiroki Harada

IPC: H04L5/00 ,  H04B7/0456

CPC classification number: H04L5/0051 ,  H04B7/0456

Abstract: The present disclosure provides a base station, a terminal and channel reconstruction methods performed by a base station and a terminal. The base station includes: a transmitting unit configured to transmit channel state information reference signals of multiple ports to a terminal, wherein the channel state information reference signals of multiple ports have a first density in frequency domain in one time interval; a receiving unit configured to receive precoding matrix indication information of a first granularity from the terminal; a processing unit configured to determine a channel of a second granularity according to the precoding matrix indication information of the first granularity, and perform downlink precoding on the channel, wherein the second granularity is finer than the first granularity.

公开(公告)号：US20240056272A1

公开(公告)日：2024-02-15

申请号：US18260849

申请日：2021-01-15

Applicant: NTT DOCOMO, INC.

Inventor： Mayuko Okano ,  Naoya Shibaike ,  Hiroki Harada ,  Yuki Takahashi

IPC: H04L5/00 ,  H04W72/20

CPC classification number: H04L5/0094 ,  H04W72/20

Abstract: A terminal includes: a control unit configured to perform monitoring of a control channel in an area in which, in a case of using a certain SCS, a number of symbols is greater than a number of symbols corresponding to another SCS that is less than the certain SCS; and a reception unit configured to receive control information via the control channel.

公开(公告)号：US20240056142A1

公开(公告)日：2024-02-15

申请号：US18258641

申请日：2021-02-01

Applicant: NTT DOCOMO, INC.

Inventor： Xin Wang ,  Xiaolin Hou ,  Anxin Li ,  Lan Chen ,  Hiroki Harada

IPC: H04B7/0456

CPC classification number: H04B7/0478

Abstract: The present disclosure provides a base station and a terminal. The base station includes: a receiving unit configured to receive precoding matrix indicator information of a first granularity from a terminal; and a processing unit configured to perform channel reconstruction according to the precoding matrix indicator information to obtain a first channel, use a super-resolution network to perform interpolation and denoising processing on a channel having the first granularity to obtain a second channel, and perform downlink precoding on the second channel, wherein the first channel has the first granularity, the second channel has a second granularity, and the second granularity is finer than the first granularity.