公开(公告)号：US20220150923A1

公开(公告)日：2022-05-12

申请号：US17603503

申请日：2019-04-17

Applicant: NTT DOCOMO, INC.

Inventor： Yanru Wang ,  Huan Wang ,  Xiaolin Hou

IPC: H04W72/12 ,  H04W72/00 ,  H04W72/04

Abstract: The present disclosure provides a terminal and a method executed by the terminal. The terminal includes: a receiving unit for receiving a sidelink state message from another terminal, the sidelink state message at least comprising a message of available sidelinks for another terminal except for the link with the terminal; and a processing unit for determining a plurality of links available for the terminal based on the received sidelink state message.

公开(公告)号：US20220078805A1

公开(公告)日：2022-03-10

申请号：US17417292

申请日：2018-12-27

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04W72/12 ,  H04L1/18 ,  H04L1/08

Abstract: A user equipment includes a transmitter that performs a groupcast transmission to a group including a plurality of units of user equipment; a receiver that receives a hybrid automatic repeat request (HARQ) response to the groupcast transmission; and a controller that performs retransmission control for the groupcast based on received power that is measured on a channel for receiving the HARQ response.

公开(公告)号：US20220030553A1

公开(公告)日：2022-01-27

申请号：US17428153

申请日：2019-02-15

Applicant: NTT DOCOMO, INC.

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

IPC: H04W72/02

Abstract: Provided is a user equipment including a transmitting unit that transmits a packet for terminal-to-terminal direct communication and a control unit that selects a transmission resource for transmitting the packet from candidate resources in a resource selection window having a predetermined range.

公开(公告)号：US20210345298A1

公开(公告)日：2021-11-04

申请号：US17372922

申请日：2021-07-12

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 terminal is disclosed including a selection unit that selects first resource candidates for sidelink transmission based on monitoring in a sensing window, and specifies second resource candidates by excluding specific periodic resources that are reserved by another terminal from the first resource candidates; and a transmission unit that performs sidelink transmission using a resource selected from the second resource candidates. In another aspect, a transmission method executed by a terminal is also disclosed.

公开(公告)号：US20210168885A1

公开(公告)日：2021-06-03

申请号：US17046518

申请日：2018-06-19

Applicant: NTT DOCOMO, INC.

Inventor： Ryosuke Osawa ,  Huan Wang ,  Xufei Zheng ,  Xiaolin Hou

IPC: H04W76/14 ,  H04W4/46 ,  H04W24/10 ,  H04W8/00 ,  H04W84/20

Abstract: A user equipment includes a measuring unit that executes sensing of a resource set with which signals from one or more other units of user equipment are transmitted; a control unit that determines, based on a measurement result of the resource set by the sensing, whether to operate as a first device that allocates a resource in the resource set associated with a cluster or to operate as a second device to which a resource is allocated by the first device in the cluster formed of a plurality of units of user equipment; and a communication unit that executes communication with the one or more other units of user equipment.

公开(公告)号：US20190208504A1

公开(公告)日：2019-07-04

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 ,  H04W74/08 ,  H04W24/10

CPC classification number: H04W72/02 ,  H04W4/40 ,  H04W24/10 ,  H04W74/0816 ,  H04W92/18

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.

公开(公告)号：US12132684B2

公开(公告)日：2024-10-29

申请号：US17413093

申请日：2018-12-27

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04L5/00 ,  H04W72/20

CPC classification number: H04L5/0057 ,  H04W72/20

Abstract: There is provided a communication apparatus including a receiving unit that receives a request signal for requesting to measure sidelink channel state information; a control unit that derives the sidelink channel state information based on a signal that is transmitted from a transmitting communication apparatus via a sidelink and received by the receiving unit, based on the request signal; and a transmitting unit that transmits the derived sidelink channel state information.

公开(公告)号：US12082083B2

公开(公告)日：2024-09-03

申请号：US17265365

申请日：2018-08-09

Applicant: NTT DOCOMO, INC.

Inventor： Ryosuke Osawa ,  Huan Wang ,  Xiaolin Hou

IPC: H04W4/40 ,  H04W72/044 ,  H04W72/30 ,  H04W76/11

CPC classification number: H04W4/40 ,  H04W72/0466 ,  H04W72/30 ,  H04W76/11

Abstract: A user equipment includes a reception unit that receives control information and data through inter-terminal direct communication; and a control unit that determines, based on the control information or the data, whether the inter-terminal direct communication is unicast, groupcast, or broadcast.

公开(公告)号：US20220201741A1

公开(公告)日：2022-06-23

申请号：US17598564

申请日：2019-04-02

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04W72/14 ,  H04W72/04 ,  H04W72/02

Abstract: A user equipment including: a reception unit that receives configuration information for one or more grants from a base station apparatus; and a transmission unit that, wherein the one or more grants are active, transmits a sidelink signal using a resource specified by the one or more grants.

公开(公告)号：US20220182967A1

公开(公告)日：2022-06-09

申请号：US17598528

申请日：2019-04-02

Applicant: NTT DOCOMO, INC.

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

IPC: H04W64/00 ,  H04W4/46 ,  H04L5/00 ,  H04L1/18

Abstract: A user equipment includes a receiving unit configured to receive a physical control channel and a physical shared channel from another user equipment; a control unit configured to calculate a distance that is an estimated distance between the another user equipment and the user equipment, based on information acquired via the physical control channel; and a transmitting unit configured to determine whether to transmit, via a channel used for transmitting and receiving a response relating to retransmission control, the response relating to the retransmission control of the physical shared channel transmitted from the another user equipment, based on the calculated distance.