公开(公告)号：US20180295619A1

公开(公告)日：2018-10-11

申请号：US16010513

申请日：2018-06-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hongjia SU ,  Jun ZHU ,  Yingpei LIN ,  Dengyu QIAO

IPC: H04W72/04

Abstract: The present invention provides a device-to-device communication method, an access point, and a first station, to reduce channel contention overheads of device-to-device communication, and improve a system throughput rate. The method includes: determining, by an access point, a time window used for device-to-device communication between stations; and sending, by the access point, a downlink frame including the time window, where the downlink frame is configured to instruct a station having a device-to-device communication capability to perform device-to-device communication within the time window.

公开(公告)号：US20170201944A1

公开(公告)日：2017-07-13

申请号：US15471768

申请日：2017-03-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei LIN ,  Le LIU ,  Jun ZHU ,  Weishan LU

IPC: H04W52/02 ,  H04L5/00

CPC classification number: H04W52/0229 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2613 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146

Abstract: The disclosure discloses a high-efficiency short training field sequence generation method, a signal sending method, a signal receiving method, and related apparatuses, where the high-efficiency short training sequence generation method includes: increasing frequency domain density of a frequency domain sequence corresponding to a first high-efficiency short training field sequence to generate a frequency domain sequence with increased frequency domain density; generating a second high-efficiency short training field sequence according to the frequency domain sequence with increased frequency domain density; and using the second high-efficiency short training field sequence as a high-efficiency short training field sequence in a preamble sequence of a data transmission frame in a wireless local area network WLAN. In embodiments of the disclosure, a cycle of a high-efficiency short training field sequence used for performing stage-2 AGC adjustment in the WLAN may be increased, and a maximum CSD value that can be used is further increased.

公开(公告)号：US20170170933A1

公开(公告)日：2017-06-15

申请号：US15443360

申请日：2017-02-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiayin ZHANG ,  Jun ZHU

IPC: H04L5/00 ,  H04W40/02 ,  H04W72/04

CPC classification number: H04L5/0007 ,  H04L1/02 ,  H04L1/06 ,  H04L25/022 ,  H04L25/0224 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2647 ,  H04W40/02 ,  H04W72/0446 ,  H04W72/0453

Abstract: This application provides a data sending method, a channel estimation method, and apparatuses thereof. The data sending method includes: performing Fourier transform on a first time domain sequence to obtain a first frequency domain sequence; determining, according to a maximum multipath delay of a system transmission channel, bandwidth of the channel, and a subcarrier quantity NFFT, a maximum quantity of spatial flows that can be supported by a single symbol; determining a cyclic shift parameter corresponding to each spatial flow; and obtaining a long training field LTF according to the first frequency domain sequence, the maximum quantity of spatial flows, and the cyclic shift parameter; and sending the LTF and indication information to each receive end, where the indication information includes a number of a spatial flow allocated to each receive end.

公开(公告)号：US20170012742A1

公开(公告)日：2017-01-12

申请号：US15244932

申请日：2016-08-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jun ZHU ,  Jun LUO

IPC: H04L1/08 ,  H04W74/08 ,  H04L1/16 ,  H04W72/00

CPC classification number: H04L1/08 ,  H04L1/1614 ,  H04L12/1872 ,  H04W72/005 ,  H04W74/08

Abstract: Embodiments of the present invention relate to the communications field, and provide a multicast sending apparatus, a multicast receiving apparatus, and a multicast transmission determining method. The method includes: sending at least one multicast frame to multiple stations in a multicast manner; generating a multicast indication request frame, where the multicast request indication frame includes an identifier of the at least one multicast frame, the multicast indication request frame is used to instruct the multiple stations to send an indication frame within a specified timeslot in a unicast and contention-based manner, and the indication frame includes an identifier of a to-be-retransmitted multicast frame; and sending the multicast indication request frame to the multiple stations in a multicast manner.

Abstract translation: 本发明的实施例涉及通信领域，并且提供多播发送装置，多播接收装置和组播传输确定方法。 该方法包括：以多播方式向多个站发送至少一个多播帧; 生成组播指示请求帧，其中组播请求指示帧包括至少一个多播帧的标识符，多播指示请求帧用于指示多个站在单播和争用中在指定时隙内发送指示帧 指示帧包括要重传的多播帧的标识符; 并以多播方式向多个站发送多播指示请求帧。

公开(公告)号：US20130173827A1

公开(公告)日：2013-07-04

申请号：US13717337

申请日：2012-12-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiangxiong LI ,  Yang ZONG ,  Jun ZHU

IPC: G06F11/30

CPC classification number: G06F11/3041 ,  G06F9/4413

Abstract: Embodiments of the present invention disclose a method, a device, and a system for starting a plug-in type apparatus. In the embodiments of the present invention, the method includes: receiving an inquiry command sent by a host; determining, according to the inquiry command, whether a plug-in type apparatus exists; when the plug-in type apparatus does not exist, sending a media change command to the host; and when the plug-in type apparatus exists, sending a media ok command to the host, so that the plug-in type apparatus performs data exchange with the host. With the solution, not only a compatibility problem of the plug-in type apparatus may be alleviated and an identification rate of the plug-in type apparatus may be improved, but also startup time of the plug-in type apparatus may be shortened greatly.

Abstract translation: 本发明的实施例公开了一种用于启动插入式装置的方法，装置和系统。 在本发明的实施例中，该方法包括：接收主机发送的查询命令; 根据查询命令确定是否存在插件式设备; 当插件式设备不存在时，向主机发送媒体改变命令; 并且当插件式设备存在时，向主机发送media ok命令，使得插件式设备与主机进行数据交换。 通过该解决方案，不仅可以缓解插件式设备的兼容性问题，并且可以提高插件式设备的识别率，而且可以大大缩短插入式设备的启动时间。

公开(公告)号：US20250088991A1

公开(公告)日：2025-03-13

申请号：US18956322

申请日：2024-11-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ji WU ,  Jun ZHU ,  Qiong JIA ,  Jiayin ZHANG

IPC: H04W56/00 ,  H04L5/00 ,  H04L5/10 ,  H04W72/30 ,  H04W72/53 ,  H04W76/27

Abstract: The present disclosure relates to signal transmission methods, devices, and systems. One example method includes sending, by a network device, a plurality of synchronization signal/physical broadcast channel (SS/PBCH) blocks in one or more burst set windows, where the one or more burst set windows include a plurality of candidate positions that are used to transmit the plurality of SS/PBCH blocks. Two or more SS/PBCH blocks sent at two or more positions of the plurality of candidate positions in the one or more burst set windows are quasi co-located (QCL) with each other and correspond to a same SS/PBCH block index.

公开(公告)号：US20240414781A1

公开(公告)日：2024-12-12

申请号：US18740445

申请日：2024-06-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yalin LIU ,  Peter LOC ,  Xun YANG ,  Jun ZHU

IPC: H04W76/10 ,  H04L5/00 ,  H04L27/26 ,  H04W40/24 ,  H04W72/04 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention provides a data transmission method and a communications device. The communications device includes: a transceiver, configured to send a transmission frame to a second communications device, so that the second communications device acquires data information in the transmission frame, where the transmission frame includes a first part and a second part, the transceiver sends the first part of the transmission frame by using a first quantity of subcarriers, the transceiver sends the second part of the transmission frame by using a second quantity of subcarriers, and the first quantity is not equal to the second quantity.

公开(公告)号：US20220368507A1

公开(公告)日：2022-11-17

申请号：US17830828

申请日：2022-06-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Qiong JIA ,  Jun ZHU ,  Yingpei LIN

IPC: H04L5/00 ,  H04W72/04 ,  H04W74/08

Abstract: Embodiments of this application disclose a signal transmission method, a related device, and a system. The method may include: receiving first indication information sent by a network device, where the first indication information is used to indicate an uplink resource that is allocated by the network device to a terminal in a first bandwidth; the resource indicated by the first indication information includes an integer quantity of resource blocks evenly distributed in a part or all of the first bandwidth; performing uplink transmission in a detected idle second bandwidth; and sending second indication information to the network device, where the second indication information is used to indicate the second bandwidth. This solution can support flexible bandwidth transmission, and can better adapt to a multi-bandwidth scenario supported by a next-generation new radio technology.

公开(公告)号：US20210258879A1

公开(公告)日：2021-08-19

申请号：US17187321

申请日：2021-02-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei LIN ,  Le LIU ,  Jun ZHU ,  Weishan LU

IPC: H04W52/02 ,  H04L5/00 ,  H04L27/26

Abstract: The disclosure discloses a high-efficiency short training field sequence generation method, a signal sending method, a signal receiving method, and related apparatuses, where the high-efficiency short training sequence generation method includes: increasing frequency domain density of a frequency domain sequence corresponding to a first high-efficiency short training field sequence to generate a frequency domain sequence with increased frequency domain density; generating a second high-efficiency short training field sequence according to the frequency domain sequence with increased frequency domain density; and using the second high-efficiency short training field sequence as a high-efficiency short training field sequence in a preamble sequence of a data transmission frame in a wireless local area network WLAN. In embodiments of the disclosure, a cycle of a high-efficiency short training field sequence used for performing stage-2 AGC adjustment in the WLAN may be increased, and a maximum CSD value that can be used is further increased.

公开(公告)号：US20210168876A1

公开(公告)日：2021-06-03

申请号：US17171076

申请日：2021-02-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ji WU ,  Jun ZHU ,  Qiong JIA

IPC: H04W74/08 ,  H04W74/00 ,  H04L5/00 ,  H04W72/04 ,  H04W76/11

Abstract: This application provides a random access method, apparatus, and device, and a storage medium. The method includes: A terminal device scrambles first identification information of the terminal device by using an OCC, and sends a first message to a network device. After receiving the first message sent by the terminal device, the network device sends a second message to the terminal device based on the first message, where the second message includes identification information of one or more terminal devices that succeed in random access, so that the terminal device can determine, based on the identification information of the one or more terminal devices the one or more terminal devices include the first identification information of this terminal device, whether this terminal device succeeds or fails in random access.