公开(公告)号：US11129193B2

公开(公告)日：2021-09-21

申请号：US16415881

申请日：2019-05-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenyu Li ,  Hantao Li ,  Chuan Liu ,  Lei Hu

IPC: H04W74/08 ,  H04B17/318 ,  H04L1/00 ,  H04W52/24 ,  H04W72/08 ,  H04W72/12 ,  H04L5/00 ,  H04W52/02 ,  H04W52/04

Abstract: A data transmission method and apparatus using a clear channel assessment (CCA) detection threshold are disclosed. The method includes: obtaining, by a base station, at least one CCA detection threshold; determining a current CCA detection threshold from the at least one CCA detection threshold; determining transmit power of to-be-sent data based on the current CCA detection threshold; and sending the to-be-sent data to a target terminal based on the transmit power.

公开(公告)号：US11134498B2

公开(公告)日：2021-09-28

申请号：US16657636

申请日：2019-10-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhanyang Ren ,  Zhijun Li ,  Jinxia Han ,  Zhenyu Li

IPC: H04W72/04 ,  H04W16/26 ,  H04W52/36

Abstract: Example coverage mode identification methods and apparatus are described. One example method includes determining a first coverage mode by a terminal. The terminal determines a preamble sequence based on the first coverage mode, and sends the preamble sequence to a base station, where the preamble sequence is used to determine the first coverage mode. Because the base station can determine the coverage mode of the terminal by using only the preamble sequence sent by the terminal, without using a channel used to receive a signal of the terminal, resources do not need to be grouped or planned, and there is no need to strictly distinguish between different coverage mode sets or groups.

公开(公告)号：US20200186188A1

公开(公告)日：2020-06-11

申请号：US16792605

申请日：2020-02-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenyu Li ,  Wurong Zhang ,  Yang Nan ,  Jinxia Han

IPC: H04B1/715 ,  H04L5/00 ,  H04W16/14 ,  H04W74/08 ,  H04B1/7156 ,  H04W72/04

Abstract: This application provides a data transmission method, to help increase a data transmission success rate. The method includes: broadcasting, by a network device, first channel information, where the first channel information is used to indicate a channel state of each of N channels, the channel state is that the channel is available or that the channel is unavailable, and N≥1; and determining, by the network device, a channel for frequency hopping transmission based on the channel state of each channel.

公开(公告)号：US10004000B2

公开(公告)日：2018-06-19

申请号：US15192054

申请日：2016-06-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu Li ,  Song Zhu ,  Xiaolong Guo ,  Zhiqin Yu

IPC: H04W28/20 ,  H04L12/64 ,  H04W4/02 ,  H04W4/06 ,  H04W8/08 ,  H04W28/02 ,  H04W56/00 ,  H04W64/00 ,  H04W72/00 ,  H04W72/04 ,  H04W74/08 ,  H04W84/04 ,  H04W88/08

CPC classification number: H04W28/20 ,  H04L12/6418 ,  H04W4/06 ,  H04W8/08 ,  H04W28/0278 ,  H04W56/001 ,  H04W64/00 ,  H04W72/005 ,  H04W72/048 ,  H04W74/0833 ,  H04W84/042 ,  H04W88/08

Abstract: Embodiments of the present invention provide a broadcast control bandwidth allocation and data transceiving method. The method includes: acquiring location information and channel distribution information that are of current user equipment; preprocessing a time-frequency resource of a channel according to the location information and the channel distribution information that are of the current user equipment; updating bandwidth allocation information according to the preset bandwidth and quantities of each data channel and each control channel and the preset quantities of repetitions corresponding to each data channel and each control channel; and broadcasting broadcast information to the user equipment by using a broadcast channel.

公开(公告)号：US12149485B2

公开(公告)日：2024-11-19

申请号：US17366815

申请日：2021-07-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuchen Wang ,  Chenwan Li ,  Yiling Wu ,  Zhenyu Li

IPC: H04L5/00 ,  H04L27/26 ,  H04W72/0453 ,  H04L5/14

Abstract: The present disclosure discloses example communications methods and apparatuses. One example method includes obtaining effective carrier indication information from a network device. An effective carrier frequency is obtained based on the effective carrier indication information, where the effective carrier indication information includes first information, second information, and third information. The first information includes first indication information, second indication information, or third indication information. The first indication information is used to indicate that carriers are not paired, the second indication information is used to indicate that carriers are paired, the third indication information is used to indicate a paired carrier frequency spacing, the second information is used to indicate a start carrier frequency, and the third information is used to indicate a frequency domain location of an effective carrier relative to a start carrier.

公开(公告)号：US11382024B2

公开(公告)日：2022-07-05

申请号：US16925709

申请日：2020-07-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu Li ,  Jinxia Han ,  Wurong Zhang ,  Yang Nan

IPC: H04W48/12 ,  H04L1/18 ,  H04W16/14 ,  H04W72/04

Abstract: Embodiments of the present invention relate to the field of communications technologies and provide a method for transmitting system information, an apparatus, and a system, to reduce a delay in obtaining correct system information by a terminal device. One method includes: generating a system information block SIB, and sending the SIB in N time units of a SIB period, wherein a first time unit of the N time units includes a redundancy version number of the SIB that is set to 0, the SIB period comprises T time unit groups, and the T time unit groups comprise TP SIB candidate sending time unit groups, wherein TP≤T, each of the T time unit groups comprises A time units for a clear channel assessment (CCA), and each of the TP SIB candidate sending time unit groups comprises r SIB candidate sending time units, and wherein N is a total quantity of SIB candidate sending time units comprised in one or more of the TP SIB candidate sending time unit groups that the CCA is successful, and N≤TP×r.

公开(公告)号：US11368187B2

公开(公告)日：2022-06-21

申请号：US16883233

申请日：2020-05-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu Li ,  Yang Nan ,  Wurong Zhang ,  Jinxia Han

IPC: H04B1/7143 ,  H04L1/16 ,  H04W72/04

Abstract: This application provides a data transmission method and apparatus. The method includes: determining a first frequency hopping pattern and a second frequency hopping pattern, wherein the first frequency hopping pattern and the second frequency hopping pattern comprises a same index set of N indexes corresponding to N channels; sending, based on the first frequency hopping pattern, data in each time unit of a first time period by using one of the N channels; and sending, based on the second frequency hopping pattern, data in each time unit of a second time period by using one of the N channels, wherein the first period and the second period are consecutive time periods each comprising N time units, each time unit starts and ends at starting times of two adjacent channels.

公开(公告)号：US11323220B2

公开(公告)日：2022-05-03

申请号：US16805039

申请日：2020-02-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu Li ,  Yang Nan ,  Wurong Zhang

IPC: H04L5/00 ,  H04W48/16 ,  H04W48/18 ,  H04W74/08

Abstract: A method includes determining, by a network side device, N fixed channels. The method further includes determining, by the network side device, a first fixed channel from the N fixed channels, sending, by the network side device, a discovery reference signal on the first fixed channel, and performing data transmission on a data channel through frequency hopping. The data channel includes a channel other than the N fixed channels. N is an integer greater than or equal to 2.

公开(公告)号：US11044614B2

公开(公告)日：2021-06-22

申请号：US16522221

申请日：2019-07-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenyu Li ,  Zhijun Li ,  Hantao Li

IPC: H04W16/26 ,  H04L1/00 ,  H04W72/04

Abstract: This application provides a downlink control information (DCI) obtaining method and apparatus. The method includes: determining, by a terminal, predefined search space based on aggregation levels supported by the terminal, where the predefined search space includes search space corresponding to at least one of an aggregation level 16 and an aggregation level 24; and performing, blind detection to obtain the DCI. Alternatively, the method includes: determining, by a terminal, blind detection search space of the terminal from predefined search space based on a quantity of resource blocks (RBs) occupied by an enhanced physical downlink control channel (EPDCCH) and aggregation levels supported by the terminal, where the predefined search space includes corresponding search space obtained when the RB quantity is 16; and performing, blind detection to obtain the DCI. According to this application, a downlink coverage gain can be increased, and diversity of implementations of downlink coverage enhancement can be improved.

公开(公告)号：US20200296438A1

公开(公告)日：2020-09-17

申请号：US16888005

申请日：2020-05-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenyu Li ,  Jinhui Zhang

IPC: H04N21/2365 ,  H04N21/2187 ,  H04N19/176 ,  H04N21/24

Abstract: A video transmission method includes obtaining a target video data segment, obtaining t reference data sets, encoding the target video data segment using each reference data set to obtain t encoded data blocks that are in a one-to-one correspondence with the t reference data sets, where any k encoded data blocks in the t encoded data blocks and k reference data sets that are in the t reference data sets and that are in a one-to-one correspondence with the any k encoded data blocks can construct an equation set matrix, and data of a solution matrix of the equation set matrix is data of the target video data segment, and sending t first reference data groups to a video decoding device using n front-end servers, where each first reference data group includes one encoded data block and a corresponding reference data set.