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31. 发明授权

US09094187B2 Link adaptation feedback method and transmitting device 有权
标题翻译：链路适应反馈方法和传输设备
公开(公告)号：US09094187B2
公开(公告)日：2015-07-28
申请号：US14155114
申请日：2014-01-14
申请人： Huawei Technologies Co., Ltd.
发明人： Yunbo Li , Xun Yang , Yi Luo
IPC分类号： H04L27/00 , H04L1/06 , H04L1/00
CPC分类号： H04L1/0009 , H04B7/0417 , H04L1/0003 , H04L1/0025 , H04L1/0028 , H04L1/0643 , H04L1/0681
摘要： Embodiments of the present disclosure provide a link adaptation feedback method, including: receiving, by a transmitting device, a link adaptation feedback frame sent by a communication peer end, where the link adaptation feedback frame includes a modulation and coding scheme request sequence identifier (MSI), where the MSI is configured to indicate space-time block coding type information; determining, according to the space-time block coding type indication information, use information about use of space-time block coding by a data frame related to the link adaptation feedback frame, and selecting, according to the use information, a space-time stream, modulation and coding scheme used when the transmitting device sends a data frame.
摘要翻译：本公开的实施例提供一种链路自适应反馈方法，包括：由发送设备接收由通信对端发送的链路自适应反馈帧，其中链路自适应反馈帧包括调制和编码方案请求序列标识符（MSI ），其中MSI被配置为指示空时块编码类型信息; 根据空时块编码类型指示信息，根据与链路自适应反馈帧相关的数据帧，使用关于使用空时块编码的信息，根据使用信息，选择时空流，当发送设备发送数据帧时使用的调制和编码方案。

32. 发明申请

US20220357845A1 SPLIT-SCREEN DISPLAY METHOD AND ELECTRONIC DEVICE 有权
公开(公告)号：US20220357845A1
公开(公告)日：2022-11-10
申请号：US17764426
申请日：2020-07-16
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yi Luo
IPC分类号： G06F3/04886 , G06F3/04817 , G06F3/0486
摘要： Embodiments of the present invention provide a split-screen display method and an electronic device. The method includes: An electronic device displays a display interface corresponding to a first task on a display when running a first application to execute the first task; receives, on the display interface corresponding to the first task, a first operation used to enable a second task; and enables a split-screen display mode in response to the first operation. Compared with that in the conventional technology, in the embodiments of the present invention, the split-screen mode can be triggered without an additional manual operation of a user. This achieves a technical effect of triggering, based on a task, an electronic device to enter a split-screen display mode, so that intelligence of the electronic device is improved.

33. 发明授权

US11388035B2 Internet of things communication method, network side device, and internet of things terminal 有权
公开(公告)号：US11388035B2
公开(公告)日：2022-07-12
申请号：US16839520
申请日：2020-04-03
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Sheng Liu , Yi Luo
IPC分类号： H04L27/26 , H04L41/00 , H04L7/06 , H04W72/04 , H04W74/04 , H04L5/00
摘要： 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.

34. 发明授权

US11212156B2 Method for uplink multiuser data transmission and system for uplink multiuser multiple input multiple output 有权
公开(公告)号：US11212156B2
公开(公告)日：2021-12-28
申请号：US16380804
申请日：2019-04-10
申请人： Huawei Technologies Co., Ltd.
发明人： Xun Yang , Yi Luo
IPC分类号： H04B7/0452 , H04L27/26 , H04B7/08 , H04L25/02 , H04B7/06
摘要： 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.

35. 发明授权

US11115991B2 Scheduling method, access point, scheduling server, and scheduling system 有权
公开(公告)号：US11115991B2
公开(公告)日：2021-09-07
申请号：US16197906
申请日：2018-11-21
申请人： Huawei Technologies Co., Ltd.
发明人： Xun Yang , Yi Luo , Jiayin Zhang
IPC分类号： H04W72/12 , H04W16/14 , H04W72/04 , H04W88/02 , H04W88/08
摘要： 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.

36. 发明授权

US10855415B2 Transmission device and method for transmitting data frame 有权
公开(公告)号：US10855415B2
公开(公告)日：2020-12-01
申请号：US16412117
申请日：2019-05-14
申请人： Huawei Technologies Co., Ltd.
发明人： Le Liu , Zhou Lan , Yi Luo
IPC分类号： H04L5/00 , H04W84/12 , H04B1/707 , H04L25/02 , H04L27/26
摘要： 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.

37. 发明申请

US20200045165A1 PHOTOGRAPHY GUIDING METHOD, DEVICE, AND SYSTEM 审中-公开
公开(公告)号：US20200045165A1
公开(公告)日：2020-02-06
申请号：US16496148
申请日：2017-05-31
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yi Luo
IPC分类号： H04M1/725 , G06F16/583 , G06F16/58 , G06F16/587 , H04N5/232
摘要： 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.

38. 发明授权

US09917678B2 Method and apparatus for generating a long training sequence and sending a signal 有权
公开(公告)号：US09917678B2
公开(公告)日：2018-03-13
申请号：US14946334
申请日：2015-11-19
申请人： Huawei Technologies Co., Ltd.
发明人： Yalin Liu , Jiayin Zhang , Yi Luo
IPC分类号： H04W72/04 , H04L5/00 , H04L27/26 , H04L25/02
CPC分类号： H04L5/0053 , H04L5/0048 , H04L25/0202 , H04L27/2613 , H04L27/2692 , H04W72/0453
摘要： 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.

39. 发明授权

US09912455B2 Data transmission method and apparatus 有权
公开(公告)号：US09912455B2
公开(公告)日：2018-03-06
申请号：US14955254
申请日：2015-12-01
申请人： Huawei Technologies Co., Ltd.
发明人： Yalin Liu , Jiayin Zhang , Yi Luo
IPC分类号： H04L5/00 , H04L23/02 , H04L27/26 , H04L25/02
CPC分类号： H04L5/0048 , H04L5/005 , H04L23/02 , H04L25/0226 , H04L27/2613
摘要： 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.

40. 发明授权

US09807698B2 Data frame sending method and apparatus, and data frame receiving method and apparatus 有权
公开(公告)号：US09807698B2
公开(公告)日：2017-10-31
申请号：US15011011
申请日：2016-01-29
申请人： Huawei Technologies Co., Ltd.
发明人： Jiayin Zhang , Yingpei Lin , Yi Luo
IPC分类号： H04L1/00 , H04W52/24 , H04W52/36 , H04W52/50 , H04W52/14 , H04W52/38
CPC分类号： H04W52/243 , H04W52/143 , H04W52/367 , H04W52/38 , H04W52/50
摘要： 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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