公开(公告)号：US12120683B2

公开(公告)日：2024-10-15

申请号：US17420912

申请日：2019-01-09

Applicant: NTT DOCOMO, INC.

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

IPC: H04W72/20 ,  H04W4/40

CPC classification number: H04W72/20 ,  H04W4/40

Abstract: A user equipment including: a reception unit configured to receive sidelink data from a transmission side user equipment; and a transmission unit configured to transmit feedback information for the sidelink data, wherein the transmission unit transmits the feedback information using a resource determined based on a transmission ID that is an ID on the transmission side user equipment, or a reception ID that is an ID on the user equipment, or both of the transmission ID and the reception ID.

公开(公告)号：US12058082B2

公开(公告)日：2024-08-06

申请号：US17429441

申请日：2019-02-15

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Tomoya Ohara ,  Satoshi Nagata ,  Huan Wang

IPC: H04L5/14 ,  H04W72/20

CPC classification number: H04L5/14 ,  H04W72/20

Abstract: A communication device includes a receiving unit that receives information indicating a time division duplex (TDD) configuration; a control unit that obtains information related to an uplink, in the received information indicating the TDD configuration; and a transmitting unit that transmits the information related to the uplink on a sidelink.

公开(公告)号：US11924831B2

公开(公告)日：2024-03-05

申请号：US17264128

申请日：2018-08-10

Applicant: NTT DOCOMO, INC.

Inventor： Ryosuke Osawa ,  Huan Wang ,  Xiaolin Hou

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/20

CPC classification number: H04W72/20 ,  H04L5/0048

Abstract: A user equipment includes a control unit that controls transmission or reception of a sidelink signal in which a first resource and a second resource are multiplexed in a same slot, wherein at least one of SLSS (Sidelink synchronization signal) or PSBCH (Physical Sidelink Broadcast Channel) is allocated in the first resource, and at least one of PSCCH (Physical Sidelink Control Channel), PSSCH (Physical Sidelink Shared Channel), and PSDCH (Physical Sidelink Discovery Channel) is allocated in the second resource; a reception unit that monitors the first resource, the second resource, or the first resource and the second resource; and a transmission unit that performs transmission using any one of the first resource, the second resource, and the first resource and the second resource.

公开(公告)号：US20220256507A1

公开(公告)日：2022-08-11

申请号：US17609639

申请日：2020-01-23

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04W72/02 ,  H04W72/04 ,  H04W72/12 ,  H04L1/08

Abstract: A user equipment includes a transmitting unit configured to transmit data to another user equipment via a physical shared channel arranged in a first period in a resource pool, a receiving unit configured to perform sensing in a second period earlier than the first period in the resource pool, and a control unit configured to determine a symbol in which the physical shared channel is arranged in the first period, on the basis of a result obtained by performing sensing in the second period.

公开(公告)号：US20220217764A1

公开(公告)日：2022-07-07

申请号：US17606650

申请日：2019-04-30

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04W72/14 ,  H04W72/12

Abstract: A user equipment includes a transmitting unit that transmits data using a resource specified by a sidelink grant set in advance and a receiving unit that receives a sidelink grant for retransmission of the data. The transmitting unit retransmits the data based on the sidelink grant for the retransmission.

公开(公告)号：US20220173839A1

公开(公告)日：2022-06-02

申请号：US17598542

申请日：2019-04-02

Applicant: NTT DOCOMO, INC.

Inventor： Shohei Yoshioka ,  Satoshi Nagata ,  Huan Wang

IPC: H04L1/18 ,  H04W4/06

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：US20220070881A1

公开(公告)日：2022-03-03

申请号：US17415357

申请日：2019-01-04

Applicant: NTT DOCOMO, INC.

Inventor： Huan Wang ,  Xiaolin Hou ,  Jing Wang ,  Shohei Yoshioka

IPC: H04W72/12 ,  H04W72/02 ,  H04W72/08 ,  H04W8/00

Abstract: The present disclosure provides a method and device for wireless communication, where the device may be a first-type user terminal, and the method performed by the device includes: acquiring detection information for another first-type user terminal, where the first-type user terminal is used to control a second-type user terminal, and the first-type user terminal and the second-type user terminal belong to one user terminal group; determining, according whether to regroup the user terminal group at least according to the acquired detection information; and regrouping the user terminal group when it is determined to regroup the user terminal group.

公开(公告)号：US20220015043A1

公开(公告)日：2022-01-13

申请号：US17297833

申请日：2019-01-10

Applicant: NTT DOCOMO, INC.

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

IPC: H04W52/36 ,  H04W52/34 ,  H04W4/06

Abstract: A user equipment includes a transmitting unit configured to transmit a groupcast to a group including a plurality of user equipments, a receiving unit configured to receive a response related to a retransmission control for the groupcast, and a control unit configured to control a leakage power to another channel arranged by frequency division with a channel via which a response related to the retransmission control for the groupcast is received.

公开(公告)号：US20210307032A1

公开(公告)日：2021-09-30

申请号：US17259804

申请日：2018-07-19

Applicant: NTT DOCOMO, INC.

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

IPC: H04W72/12 ,  H04W72/14

Abstract: A user device includes a transmission unit that transmits a first traffic to a second user device using a resource scheduled for sidelink by a base station device or a first user device, a reception unit that receives from the base station device or the first user device a sidelink pre-emption indication indicating that all or part of the resource scheduled for the sidelink is to be used for a second traffic, and a control unit that excludes a resource used for the second traffic from the resource for the sidelink used for transmitting the first traffic, based on the sidelink pre-emption indication.

公开(公告)号：US20210306983A1

公开(公告)日：2021-09-30

申请号：US17263829

申请日：2018-09-13

Applicant: NTT DOCOMO, INC.

Inventor： Ryosuke Osawa ,  Huan Wang ,  Xiaolin Hou

IPC: H04W72/02 ,  H04W72/12

Abstract: A user equipment includes a control unit configured to determine which of resource determination controls, scheduling type control or autonomous resource selection. type control, is to he used in device-to-device direct communication, based on a predetermined condition and a transmitting unit configured to transmit a message to another user equipment based on the determined resource determination control.