公开(公告)号：US20190191396A1

公开(公告)日：2019-06-20

申请号：US16326064

申请日：2016-08-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yanliang Sun ,  Nathan Edward Tenny ,  Yongbo Zeng ,  Yu Cai ,  Bin Liu ,  Da Wang

IPC: H04W52/46 ,  H04W52/36 ,  H04W52/14 ,  H04W76/11 ,  H04W74/08 ,  H04B17/309

CPC classification number: H04W52/46 ,  H04B7/26 ,  H04B17/309 ,  H04W8/005 ,  H04W48/12 ,  H04W52/146 ,  H04W52/365 ,  H04W56/00 ,  H04W72/04 ,  H04W74/0833 ,  H04W76/11 ,  H04W92/18 ,  Y02D70/00

Abstract: A method for communication between user equipments, user equipment, and a base station. The method includes establishing, by a first user equipment (UE), a first virtual cell, and sending, by the first UE, a first synchronization signal and a first broadcast message, wherein the first synchronization signal comprises an identity of the first virtual cell, and wherein the first broadcast message comprises configuration information of the first virtual cell, wherein the first synchronization signal and the first broadcast message cause a second UE to access the first virtual cell according to the identity of the first virtual cell and the configuration information of the first virtual cell, and to communicate with the first UE.

公开(公告)号：US10326466B2

公开(公告)日：2019-06-18

申请号：US15637846

申请日：2017-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yu Cai ,  Chunhui Zhang ,  Jifang He

IPC: G02F7/00 ,  H03M1/14 ,  G01N15/14 ,  G11C27/02 ,  H03K17/06

Abstract: The present embodiments provide an analog to digital converter, including a beam splitter, M photodetectors, M amplifier modules, and an encoder. Each output end of the beam splitter is corresponding to an input end of a photodetector, an output end of each photodetector is connected to an input end of an amplifier module, and an output end of each amplifier module is connected to an input end of the encoder. The beam splitter splits an inputted analog optical signal into M optical signals, outputs each optical signal to a corresponding photodetector to convert each optical signal into a current signal, inputs each current signal to a corresponding amplifier module to generate an output voltage, and outputs the output voltage to a corresponding input end of the encoder.

公开(公告)号：US20180359659A1

公开(公告)日：2018-12-13

申请号：US15781382

申请日：2016-08-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yu Cai ,  Yongbo Zeng

IPC: H04W28/26 ,  H04W72/02 ,  H04W72/04 ,  H04W72/08

Abstract: A resource selection method, an apparatus, and a device, where the method includes determining, by first user equipment (UE), parameter information of a sensing window, where the parameter information includes at least one of a start time, a time span, or a quantity, sensing, by the first UE, the resource in the sensing window according to the parameter information of the sensing window, and selecting, by the first UE, a resource according to a sensing result. According to the resource selection method, the apparatus, and the device, power consumption of UE can be reduced.

公开(公告)号：US10084584B2

公开(公告)日：2018-09-25

申请号：US15390257

申请日：2016-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sheng Liu ,  Teyan Chen ,  Yu Cai

IPC: H04L5/00 ,  H04L5/14 ,  H04W72/08 ,  H04W84/12 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04L5/0055 ,  H04B1/10 ,  H04L5/0005 ,  H04L5/14 ,  H04L25/03 ,  H04W72/082 ,  H04W84/12 ,  H04W88/02 ,  H04W88/08

Abstract: Embodiments of the present invention relate to the field of communications technologies, and provide an interference cancellation apparatus and method, which can avoid being limited by a dynamic range of an ADC/DAC and can cancel a second-type self-interference component effectively. The interference cancellation apparatus includes a main receive antenna, a divider, a first-type interference canceller, a down converter, a filter, a coupler, a digital down-conversion unit, a second-type interference reconstructor, and a local-frequency signal generator. The present invention is used for interference cancellation.

公开(公告)号：US12052591B2

公开(公告)日：2024-07-30

申请号：US17266040

申请日：2019-08-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yu Cai ,  Haibo Xu ,  Jian Wang

IPC: H04W24/08 ,  H04W72/1273 ,  H04W74/0833

CPC classification number: H04W24/08 ,  H04W72/1273 ,  H04W74/0833

Abstract: A method for monitoring a communications channel between a terminal device and a network device is described. The method includes: obtaining a first search space configuration and a second search space configuration. The first search space configuration includes a first search space set and the second search space configuration includes a second search space set, or the first search space configuration includes a first search space parameter and the second search space configuration includes a second search space parameter. The method further includes monitoring a physical downlink control channel (PDCCH) based on the first search space configuration if a first condition is met. The first condition includes: a first timer is not in a running state; or monitoring, by the terminal device, a PDCCH based on the second search space configuration if a second condition is met. The second condition includes a first timer is in a running state.

公开(公告)号：US11979855B2

公开(公告)日：2024-05-07

申请号：US16969130

申请日：2019-02-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yu Cai ,  Yongbo Zeng ,  Da Wang ,  Jian Wang

IPC: H04W72/56 ,  H04W28/26 ,  H04W72/02 ,  H04W72/044 ,  H04W72/0446 ,  H04W72/20 ,  H04W72/53 ,  H04W92/18

CPC classification number: H04W72/02 ,  H04W28/26 ,  H04W72/0446 ,  H04W72/0473 ,  H04W72/20 ,  H04W72/53 ,  H04W72/56 ,  H04W92/18

Abstract: A method includes: determining, by a first terminal device, a first resource, where the first resource includes one or more of a resource used by a second terminal device to transmit data, a resource reserved by the second terminal device to transmit data, a resource determined based on the resource used by the second terminal device to transmit data, and a resource determined based on the resource reserved by the second terminal device to transmit data; and skipping, by the first terminal device, using a second resource, or reselecting, by the first terminal device, a resource, if the first resource and the second resource overlap.

公开(公告)号：US11844036B2

公开(公告)日：2023-12-12

申请号：US17882847

申请日：2022-08-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongbo Zeng ,  Bin Liu ,  Yu Cai ,  Jian Wang ,  Guorong Li

IPC: H04W56/00 ,  H04W76/14 ,  H04W4/46 ,  H04W88/02 ,  H04W88/04

CPC classification number: H04W56/001 ,  H04W4/46 ,  H04W56/00 ,  H04W56/0045 ,  H04W76/14 ,  H04W88/023 ,  H04W88/04

Abstract: A terminal synchronization method and a terminal relate to the communications field, where the terminal sends synchronization signals in a distributed manner by controlling a sequence for sending the synchronization signals such that terminals in a vehicle to vehicle communications system can have uniform timing. The method includes obtaining, by a terminal, a configurable transmission period for sending a first synchronization signal, and sending, by the terminal, the first synchronization signal based on the configurable transmission period.

公开(公告)号：US20230371005A1

公开(公告)日：2023-11-16

申请号：US18246774

申请日：2021-09-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yu Cai ,  Haibo Xu

IPC: H04W72/02 ,  H04W76/28

CPC classification number: H04W72/02 ,  H04W76/28

Abstract: A first terminal determines one or more sidelink resources. The one or more sidelink resources include at least a sidelink resource located in sidelink discontinuous reception-active time of a second terminal. The first terminal sends data to the second terminal on a first sidelink resource in the one or more sidelink resources. The first sidelink resource is located in the sidelink discontinuous reception-active time of the second terminal.

公开(公告)号：US11723112B2

公开(公告)日：2023-08-08

申请号：US17267216

申请日：2019-08-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yifan Xue ,  Yu Cai ,  Xiaocui Li ,  Jian Wang

IPC: H04W76/28 ,  H04W72/04

CPC classification number: H04W76/28 ,  H04W72/04

Abstract: A configuration method includes receiving, by a terminal device, configuration information from a network device, where the configuration information includes a first discontinuous reception (DRX) parameter and a second DRX parameter, and communicating, by the terminal device, with the network device on a first bandwidth part (BWP) using the first DRX parameter or on a second BWP using the second DRX parameter.

公开(公告)号：US20230198940A1

公开(公告)日：2023-06-22

申请号：US18173331

申请日：2023-02-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hui Zhao ,  Wei Li ,  Yunlei Chen ,  Xueming Hu ,  Yu Cai

IPC: H04L61/5014

CPC classification number: H04L61/5014 ,  H04L2101/604

Abstract: The technology of this application relates to a method for controlling a client to go online, a network device, and a client, and relates to the communications field. The technology provides a method for supporting a network side in controlling a client to retransmit an online request packet. A network device determines a sending interval of an online request packet for a client, and transmits the sending interval to the client by using an advertisement packet, so that the client retransmits the online request packet based on the interval specified by the network side. In this technical solution, the network side changes from passively responding to an online request sending behavior of the client to actively controlling the online request sending behavior of the client.