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41.发明授权公开(公告)号：US11388035B2
公开(公告)日：2022-07-12
申请号：US16839520
申请日：2020-04-03
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: The present disclosure discloses an Internet of Things communication method. In the present disclosure, a downlink data frame sent by the network side device includes a legacy preamble, a HEW preamble, and a data field; a subcarrier resource that is corresponding to the data field in a frequency domain includes at least one resource unit RU; and the RU is used to send a downlink IoT frame to the IoT terminal, where the downlink IoT frame includes an IoT preamble and an IoT data field, the IoT preamble is used to transmit physical layer control information of the downlink IoT frame, and the IoT data field is used to transmit downlink data between the network side device and the IoT terminal. According to the present disclosure, a network side device in a WLAN can schedule an IoT terminal, thereby reducing a conflict risk in an IoT communication process.
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42.发明授权公开(公告)号：US11212156B2
公开(公告)日：2021-12-28
申请号：US16380804
申请日：2019-04-10
Applicant: Huawei Technologies Co., Ltd.
IPC: H04B7/0452 , H04L27/26 , H04B7/08 , H04L25/02 , H04B7/06
Abstract: A method for uplink multiuser data transmission and a system for uplink multiuser multiple input multiple output are provided. The method includes: sending, by an access point (AP), indication information to at least two stations (STAs), wherein the indication information is used for indicating that the at least two STAs perform an uplink multiuser data transmission; receiving, by the AP, uplink data sent by the at least two STAs through channels from the at least two STAs to the AP, respectively; and demodulating, by the AP, the uplink data sent by the at least two STAs using receiving beams corresponding to pre-estimated channels from the at least two STAs to the AP, respectively.
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公开(公告)号：US11115991B2
公开(公告)日：2021-09-07
申请号：US16197906
申请日：2018-11-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xun Yang , Yi Luo , Jiayin Zhang
Abstract: A method includes sending, by an access point, a scheduling request to a first scheduling server according to a data transmission requirement, where the scheduling request includes frequency band bandwidth information of a contention frequency band that is applied for and frequency band use time information of the contention frequency band that is applied for. The method also includes receiving, by the access point, a contention frequency band that is allocated by the first scheduling server to the access point according to a spectrum list and the scheduling request, where the spectrum list includes at least frequency band use information and interference information of the access point. The method also includes performing, by the access point, scheduling transmission by using the allocated contention frequency band.
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公开(公告)号：US10855415B2
公开(公告)日：2020-12-01
申请号：US16412117
申请日：2019-05-14
Applicant: Huawei Technologies Co., Ltd.
Abstract: A transmission device includes: an acquiring unit acquires LTF parameters, and acquires a start position I of allocated subcarriers, where the LTF parameters include a frequency domain transform parameter and a time domain transform parameter that are required for generating an LTF sequence; a frequency domain transform unit performs, according to the frequency domain transform parameter and the start position I, a frequency domain transform on an LTF basic sequence to obtain an LTF symbol; a time domain transform unit performs, according to the time domain transform parameter, a time domain transform on the LTF symbol to obtain the LTF sequence; and a sending unit adds the LTF sequence to a first data frame, and sends the first data frame to a second device, so that the second device determines the LTF basic sequence according to the LTF sequence and performs channel estimation according to the LTF basic sequence.
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公开(公告)号：US20200045165A1
公开(公告)日：2020-02-06
申请号：US16496148
申请日：2017-05-31
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Luo
IPC: H04M1/725 , G06F16/583 , G06F16/58 , G06F16/587 , H04N5/232
Abstract: Embodiments of this application provide a photography guiding method, a device, and a system, relate to the field of terminal technologies, so as to precisely search for a reference picture by using a search word, and accurately guide a user based on the reference picture to perform composition photographing, thereby improving user photographing experience. A specific solution includes: displaying, by a photographing device, a photographing screen; when detecting at least one search word entered by a user on the photographing screen, performing picture retrieval based on the search word, where the at least one search word is used to describe a feature of a to-be-photographed picture; and displaying, on the photographing screen, at least one reference picture in a retrieved picture, where the reference picture is used to guide the user to perform composition photographing. The embodiments of this application are used to guide the user to perform composition photographing.
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Patent Agency Ranking
公开(公告)号：US09917678B2
公开(公告)日：2018-03-13
申请号：US14946334
申请日：2015-11-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yalin Liu , Jiayin Zhang , Yi Luo
CPC classification number: H04L5/0053 , H04L5/0048 , H04L25/0202 , H04L27/2613 , H04L27/2692 , H04W72/0453
Abstract: The present disclosure discloses a method and an apparatus for generating a long training sequence and sending a signal, and belongs to the field of wireless communications. The method includes: obtaining a plurality of long training sequences according to a system parameter and a preset sequence construction formula, wherein the plurality of long training sequences include a plurality of basic training sequences and a plurality of shift training sequences obtained according to cyclic shift of the basic training sequences; and configuring a mapping rule between a terminal device and a long training sequence, for enabling the terminal device to select a long training sequence according to the mapping rule as a long training sequence for sending a signal. By adopting the present disclosure, energy consumption of the receiving end may be reduced and accuracy of channel estimation may be improved.
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公开(公告)号：US09912455B2
公开(公告)日：2018-03-06
申请号：US14955254
申请日：2015-12-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yalin Liu , Jiayin Zhang , Yi Luo
CPC classification number: H04L5/0048 , H04L5/005 , H04L23/02 , H04L25/0226 , H04L27/2613
Abstract: A data transmission method and apparatus are provided, which includes: determining, by a transmitting device, a long training sequence set; determining at least one receiving device set, where the receiving device set includes at least one receiving device in a communications system; determining a first mapping relationship, where the first mapping relationship is a mapping relationship between the at least one receiving device set and at least one set-use long training sequence in the long training sequence set; determining, according to a target receiving device set and the first mapping relationship, a target set-use long training sequence corresponding to the target receiving device set, and performing encapsulation processing on first data to generate a first data packet, where a long training sequence field in a physical layer of the first data packet carries a first long training sequence symbol.
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公开(公告)号：US09807698B2
公开(公告)日：2017-10-31
申请号：US15011011
申请日：2016-01-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiayin Zhang , Yingpei Lin , Yi Luo
CPC classification number: H04W52/243 , H04W52/143 , H04W52/367 , H04W52/38 , H04W52/50
Abstract: The present invention provides a data frame sending and receiving method and apparatus. The data frame sending method includes: receiving, by a first access point, first interference power parameters fed back by associated stations of the first access point, and receiving second interference power parameters sent by a second access point; if determining that a channel on which the first access point works is currently being occupied by the second access point, determining to-be-scheduled stations and transmission powers of the first access point for the to-be-scheduled stations, sending scheduling indication signaling at the determined transmission powers, and receiving scheduling indication response signaling sent by a schedulable station; and sending a data frame to the schedulable station at a transmission power corresponding to the schedulable station among the determined transmission powers.
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公开(公告)号：US20160105227A1
公开(公告)日：2016-04-14
申请号：US14975555
申请日：2015-12-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yingpei Lin , Jiayin Zhang , Yi Luo
CPC classification number: H04B7/0456 , H04W4/06 , H04W72/0413 , H04W72/0453
Abstract: The present invention discloses a data transmission method and apparatus. A first access point determines a current working uplink receiving beam, and broadcasts an identifier of the current working uplink receiving beam of the first access point, so that when a first station associated with the first access point determines, according to the identifier of the current working uplink receiving beam of the first access point, that a first transmitting beam at which the first station is currently working is the current working uplink receiving beam of the first access point, the first station performs data transmission with the first access point by using the first transmitting beam. The current working uplink receiving beam of the first access point and a current working uplink receiving beam of a second access point do not overlap in space.
Abstract translation: 本发明公开了一种数据传输方法和装置。 第一接入点确定当前工作的上行接收波束，并且广播第一接入点当前工作上行链路接收波束的标识符，使得当与第一接入点相关联的第一台根据当前的标识符确定 第一接入点的工作上行链路接收波束，第一台当前正在工作的第一发射波束是第一接入点的当前工作上行链路接收波束，第一台站使用第一接入点执行与第一接入点的数据传输， 第一发射光束。 第一接入点的当前工作上行链路接收波束和第二接入点的当前工作上行链路接收波束在空间上不重叠。
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公开(公告)号：US12198588B2
公开(公告)日：2025-01-14
申请号：US17919047
申请日：2021-03-30
Applicant: Huawei Technologies Co., Ltd.
IPC: G09G3/00
Abstract: In a full-screen display method, a multimedia file is displayed in non-full screen on an application interface; and an instruction for displaying the multimedia file in full screen is detected, and it is determined whether a window displaying the application interface is a graph whose aspect ratio is in a preset interval. If the window is a graph whose aspect ratio is in the preset interval, the multimedia file is displayed in full screen in the window based on a current display direction of the application interface, where the current display direction of the application interface includes: a display direction of the application interface obtained when the instruction for displaying the multimedia file in full screen is detected.
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