公开(公告)号：US11122605B2

公开(公告)日：2021-09-14

申请号：US16324073

申请日：2017-07-13

Applicant: NTT DOCOMO INC.

Inventor： Huan Wang ,  Liu Liu ,  Qin Mu ,  Qun Zhao ,  Huiling Jiang

IPC: H04W72/12 ,  H04W72/14 ,  H04B7/155

Abstract: Provided are a transmitting method, a receiving method, a relay device, a base station and a mobile station. According to embodiments of the present invention, the method for transmitting grant information performed by the relay device includes: receiving the grant information for inter-device transmission and a transmitting device identification and a receiving device identification corresponding to the grant information; generating first control information according to the grant information, the transmitting device identification and the receiving device identification; and transmitting the first control information.

公开(公告)号：US20210282099A1

公开(公告)日：2021-09-09

申请号：US17257885

申请日：2018-07-09

Applicant: NTT DOCOMO, INC.

Inventor： Ryosuke Osawa ,  Yuichi Kakishima ,  Huan Wang

IPC: H04W56/00 ,  H04W24/10 ,  H04W72/12 ,  H04L5/00

Abstract: A user equipment communicates with a first user equipment or a base station apparatus, the user equipment including a receiving unit configured to receive a synchronization signal or a reference signal used in sidelink transmitted from the first user equipment; a control unit configured to measure a channel state of sidelink, based on the synchronization signal or the reference signal; and a transmitting unit configured to transmit, to the base station apparatus or the first user equipment, information indicating the channel state of sidelink.

公开(公告)号：US10912095B2

公开(公告)日：2021-02-02

申请号：US16647394

申请日：2017-09-19

Applicant: NTT DOCOMO, INC.

Inventor： Shinpei Yasukawa ,  Satoshi Nagata ,  Huan Wang ,  Xiaolin Hou

IPC: H04W72/04 ,  H04W4/46 ,  H04B7/06 ,  H04B7/08

Abstract: A user equipment performs communication using beamforming with another user equipment, the user equipment including a control unit configured to configure, in at least one beam among a plurality of beams, information indicating positions of all of resources in a radio frame, the plurality of beams being transmitted via corresponding resources; and a transmitting unit configured to transmit the plurality of beams using all of the resources, by applying beam switching or beam repetition, wherein the positions of all of the resources in the radio frame correspond to a position of a resource to be decoded and a position to be used for excluding a transmission resource candidate.

公开(公告)号：US20200260440A1

公开(公告)日：2020-08-13

申请号：US16647407

申请日：2017-09-19

Applicant: NTT DOCOMO, INC.

Inventor： Shinpei Yasukawa ,  Satoshi Nagata ,  Huan Wang ,  Xiaolin Hou

IPC: H04W72/04 ,  H04B7/06 ,  H04W74/08 ,  H04L1/08 ,  H04W4/46

Abstract: A user device performing communication with another user device by beamforming in a first frequency and a second frequency different from the first frequency is provided. The user device includes a receiving unit configured to receive a first sensing signal in the first frequency; a control unit configured to select a resource in the second frequency used for transmission, based on a resource location on a radio frame in which the first sensing signal is provided, or based on information, contained in the first sensing signal, indicating a resource location on a radio frame in the second frequency; and a transmitting unit configured to perform data transmission in the second frequency by using the selected resource.

公开(公告)号：US12289171B2

公开(公告)日：2025-04-29

申请号：US17608922

申请日：2019-05-10

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang ,  Xiaolin Hou

IPC: H04J3/00 ,  H04L1/1867 ,  H04W72/0446

Abstract: User equipment includes a control unit that selects a sidelink resource from candidate resources excluding a selected resource and a further resource within a predetermined time window and a transmitting unit that performs transmission or retransmission using the resource selected by the control unit.

公开(公告)号：US12075386B2

公开(公告)日：2024-08-27

申请号：US17598456

申请日：2019-04-02

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang ,  Xiaolin Hou

IPC: H04W4/00 ,  H04L1/08 ,  H04W72/02 ,  H04W72/52 ,  H04W72/56

CPC classification number: H04W72/02 ,  H04L1/08 ,  H04W72/52 ,  H04W72/56

Abstract: A user equipment includes a receiving unit configured to receive a configuration of a resource pool; a communicating unit configured to receive a physical control channel and a physical shared channel in the resource pool; a control unit configured to determine whether a response relating to retransmission control associated with the resource pool is enabled or disabled, based on the configuration of the resource pool; and a transmitting unit configured to transmit the response relating to the retransmission control with respect to the received physical shared channel, upon determining that the response relating to the retransmission control is enabled.

公开(公告)号：US11996946B2

公开(公告)日：2024-05-28

申请号：US17598542

申请日：2019-04-02

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04L1/1812 ,  H04W4/06 ,  H04W92/18 ,  H04W4/40

CPC classification number: H04L1/1812 ,  H04W4/06 ,  H04W4/40 ,  H04W92/18

Abstract: A communication apparatus includes a control unit that separately defines, for unicast and for groupcast, a Hybrid Automatic Repeat Request (HARQ) process number and a New Data Indicator (NDI) used for sidelink HARQ processing; and a transmitting unit that transmits sidelink control information including the HARQ process number and the NDI defined for the unicast, or including the HARQ process number and the NDI defined for the groupcast.

公开(公告)号：US11552742B2

公开(公告)日：2023-01-10

申请号：US17259790

申请日：2018-07-17

Applicant: NTT DOCOMO, INC.

Inventor： Ryosuke Osawa ,  Yuki Matsumura ,  Kazuaki Takeda ,  Huan Wang ,  Xiaolin Hou

IPC: H04L1/18 ,  H04L5/00 ,  H04W4/40

Abstract: A user equipment includes a receiving unit configured to receive a first signal of inter-terminal direct communication transmitted from a first user equipment, and information indicating a first resource for transmitting a HARQ (Hybrid Automatic Repeat Request) response corresponding to the first signal of inter-terminal direct communication transmitted from either one of a base station apparatus or the first user equipment; a control unit configured to determine the HARQ response based on a reception result of the first signal of inter-terminal direct communication; and a transmitting snit configured to transmit the determined HARQ response to the base station apparatus or the first user equipment, by using the first resource for transmitting the HARQ response.

公开(公告)号：US11419112B2

公开(公告)日：2022-08-16

申请号：US16647407

申请日：2017-09-19

Applicant: NTT DOCOMO, INC.

Inventor： Shinpei Yasukawa ,  Satoshi Nagata ,  Huan Wang ,  Xiaolin Hou

IPC: H04W56/00 ,  H04W72/04 ,  H04W4/46 ,  H04B7/06 ,  H04L1/08 ,  H04W74/08

Abstract: A user device performing communication with another user device by beamforming in a first frequency and a second frequency different from the first frequency is provided. The user device includes a receiving unit configured to receive a first sensing signal in the first frequency; a control unit configured to select a resource in the second frequency used for transmission, based on a resource location on a radio frame in which the first sensing signal is provided, or based on information, contained in the first sensing signal, indicating a resource location on a radio frame in the second frequency; and a transmitting unit configured to perform data transmission in the second frequency by using the selected resource.

公开(公告)号：US11412480B2

公开(公告)日：2022-08-09

申请号：US16323555

申请日：2017-08-10

Applicant: NTT DOCOMO, INC.

Inventor： Shinpei Yasukawa ,  Satoshi Nagata ,  Qun Zhao ,  Jing Wang ,  Huan Wang ,  Liu Liu ,  Anxin Li ,  Huiling Jiang

IPC: H04W72/02 ,  H04W92/18 ,  H04W24/10 ,  H04W74/08 ,  H04W4/40

Abstract: A user equipment including: a selection unit that selects, based on a result of sensing performed in a first time window and on a transmission interval of a signal, one or more resource candidates in a second time window after the first time window; and a transmission unit that selects a resource for transmitting a signal from the selected one or more resource candidates, and transmits the signal.