公开(公告)号：US10735998B2

公开(公告)日：2020-08-04

申请号：US16016339

申请日：2018-06-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hantao Li ,  Zhenyu Li ,  Jinxia Han ,  Sha Ma

IPC: H04W28/26 ,  H04W74/08 ,  H04W16/14

Abstract: A method for sending a channel reservation signal and a base station, related to the field of communications technologies, includes: detecting, by a base station, whether a system signal is received on an unlicensed channel; and sending, by the base station, a channel reservation signal on the unlicensed channel to reserve the unlicensed channel based on the base station detecting that the system signal is received on the unlicensed channel.

公开(公告)号：US20200100169A1

公开(公告)日：2020-03-26

申请号：US16698396

申请日：2019-11-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhanyang Ren ,  Sha Ma ,  Jinxia Han ,  Zhenyu Li ,  Wurong Zhang

IPC: H04W48/10 ,  H04W16/14

Abstract: A method and an apparatus for scheduling a system information block are disclosed, to increase a probability of obtaining a system information block by a terminal. A network device sends a master information block to the terminal, where the master information block includes DMTC period information; and the terminal receives the master information block, and detects a system information block, at a location of a subframe in a DMTC period. Alternatively, the master information block includes DMTC period information and DMTC time window information, and the terminal detects a system information block, at a location of a subframe in a DMTC period and in a DMTC window size. Alternatively, the master information block includes system information block period information or MF system information block content change indication information, and the terminal determines, based on the system information block period information, whether content of the detected system information block is changed.

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：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：US20200229213A1

公开(公告)日：2020-07-16

申请号：US16828935

申请日：2020-03-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jinxia Han ,  Zhenyu Li

IPC: H04W72/12 ,  H04W72/04 ,  H04W16/14 ,  H04W74/08

Abstract: Various embodiments provide a carrier switching method on an unlicensed spectrum, a base station, and a terminal device. In those embodiments, a base station may communicate with a terminal device by using a first carrier in an unlicensed spectrum by occupying, within a scheduling cycle, an anchor carrier and any one of a plurality of data carriers in the unlicensed spectrum. The scheduling cycle may include N number of time scheduling unit. The anchor carrier may occupy a first or last M number of time scheduling units of a N number of time scheduling units. The data carrier occupies a time scheduling unit other than the first or last M number of time scheduling units in the N number of time scheduling units. The first carrier is the anchor carrier or the data carrier. The base station may switch from the first carrier to a second carrier.