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公开(公告)号：US12176982B2
公开(公告)日：2024-12-24
申请号：US16586439
申请日：2019-09-27
Applicant: Huawei Technologies Co., Ltd.
IPC: H04B7/06
Abstract: The present disclosure provides a method and a device for channel information feedback, where the method includes: obtaining, by a beamformer, channel feedback information, where the channel feedback information includes: channel information related to the beamformer and channel information related to other beamformer; the channel information includes: channel information fed back by a beamformee in a same basic service set and channel information fed back by a beamformee in a different basic service set. Channel feedback of multiple sending ends is achieved in the present disclosure.
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公开(公告)号：US11956661B2
公开(公告)日：2024-04-09
申请号：US17675597
申请日：2022-02-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Luo , Xun Yang , Yingpei Lin
IPC: H04W24/10 , H04B7/0452 , H04J13/00 , H04L27/26 , H04W72/12 , H04W72/20 , H04W74/00 , H04W74/08 , H04W74/0816 , H04W76/40
CPC classification number: H04W24/10 , H04B7/0452 , H04J13/00 , H04L27/2601 , H04W72/12 , H04W72/20 , H04W74/002 , H04W74/0816 , H04W76/40
Abstract: An uplink multi-user multi-input multi-output establishment method includes broadcasting, by a network side device, an uplink data sending announcement; receiving buffer information sent by a terminal that needs to send data, where the buffer information includes at least a sending level and a data sending length of to-be-sent data; determining, according to the buffer information, scheduling information for establishing uplink multi-user multi-input multi-output; and sending, to a terminal that is allowed to send data and selected from the terminal that needs to send data, a clear to send frame that carries the scheduling information, so that the terminal that is allowed to send data sends the to-be-sent data according to the scheduling information. The embodiments of the present disclosure effectively implement uplink multi-user multi-input multi-output establishment, so that signaling interworking is reduced, resource overheads are reduced, and data sending efficiency is improved.
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公开(公告)号：US20230058825A1
公开(公告)日：2023-02-23
申请号：US17979593
申请日：2022-11-02
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yunbo Li , Yanchun Li , Yi Luo
Abstract: The present application provides a channel access process method in a wireless local area network. The method includes: generating, by a station, a backoff counter value; then performing, by the station, a backoff operation after receiving a first trigger frame, where the backoff operation includes: deducting, from the backoff counter value, a quantity N of subchannels for random access, to obtain a new backoff counter value; and when the new backoff counter value is 0 or a negative number, randomly selecting, by the station, one subchannel from the subchannels for random access, and then accessing the subchannel to send an uplink frame. The present application further provides a corresponding channel access apparatus. Applying the method and the apparatus of the embodiments of the present application improves system access efficiency and avoids a waste of system resources.
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公开(公告)号：US20220253212A1
公开(公告)日：2022-08-11
申请号：US17613748
申请日：2020-05-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Luo , Lubing Xie
IPC: G06F3/04886 , G06F3/0484
Abstract: A method includes obtaining, a screen splitting operation from a user on a touchscreen, splitting a current display screen into two areas based on the screen splitting operation, displaying, in a first area, an interface of a first application that is displayed on the display screen before splitting the screen, obtaining, from installed applications and using a clustering algorithm, at least one second application to combine with the first application in a split-screen manner, displaying an identifier of the at least one second application in a second area after the screen splitting, and displaying, in the second area, a third application that is currently running in a system.
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公开(公告)号：US10405221B2
公开(公告)日：2019-09-03
申请号：US15357816
申请日：2016-11-21
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Luo , Xun Yang , Yingpei Lin
Abstract: An uplink multi-user multi-input multi-output establishment method includes broadcasting, by a network side device, an uplink data sending announcement; receiving buffer information sent by a terminal that needs to send data, where the buffer information includes at least a sending level and a data sending length of to-be-sent data; determining, according to the buffer information, scheduling information for establishing uplink multi-user multi-input multi-output; and sending, to a terminal that is allowed to send data and selected from the terminal that needs to send data, a clear to send frame that carries the scheduling information, so that the terminal that is allowed to send data sends the to-be-sent data according to the scheduling information. The embodiments of the present disclosure effectively implement uplink multi-user multi-input multi-output establishment, so that signaling interworking is reduced, resource overheads are reduced, and data sending efficiency is improved.
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Patent Agency Ranking
公开(公告)号：US10187886B2
公开(公告)日：2019-01-22
申请号：US15270390
申请日：2016-09-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: A data transmission method and a station are provided. In the method, the station receives an indication frame sent by an access point, where the indication frame is used to allocate a specified random contention channel. The station sends data over the specified random contention channel according to the indication frame and a random probability.
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公开(公告)号：US09967009B2
公开(公告)日：2018-05-08
申请号：US14975555
申请日：2015-12-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yingpei Lin , Jiayin Zhang , Yi Luo
IPC: H04W4/00 , H04B7/0456 , H04W72/04 , H04W4/06
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.
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18.发明授权Interference alignment method and device and multi-channel communication system 有权干扰对准方法及装置及多通道通讯系统公开(公告)号：US08913680B2
公开(公告)日：2014-12-16
申请号：US13784182
申请日：2013-03-04
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04B1/62 , H04B7/0434 , H04B7/0456 , H04B7/0617 , H04B7/086
Abstract: An interference alignment method, an interference alignment device, and a multi-channel communication system are provided. The method includes: obtaining channel matrix in a multi-channel communication system; determining a first desired signal and a second desired signal of the multi-channel communication system according to the channel matrix; obtaining precoding vectors and receive vectors, after a first receive signal is filtered by a receive vector corresponding to the first desired signal, a signal formed by superposing interference signals included therein has a feature of a lattice constellation pattern, and that at a receiver corresponding to the second desired signal, after a second receive signal is filtered by a receive vector corresponding to the second desired signal, interference signals included therein are canceled, where the first receive signal and the second receive signal are transmit signals sent to the corresponding receivers after precoding processing is performed at transmitters by using corresponding precoding vectors.
Abstract translation: 提供了干涉对准方法，干涉对准装置和多通道通信系统。 该方法包括：在多信道通信系统中获取信道矩阵; 根据信道矩阵确定多信道通信系统的第一期望信号和第二期望信号; 在第一接收信号被对应于第一期望信号的接收矢量滤波后，获得预编码矢量和接收矢量，通过叠加其中包含的干扰信号形成的信号具有网格星座图案的特征， 第二所需信号，在第二接收信号被对应于第二期望信号的接收矢量滤波后，其中包括的干扰信号被消除，其中第一接收信号和第二接收信号是在预编码后发送到对应的接收机的发送信号 通过使用相应的预编码向量在发射机处执行处理。
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公开(公告)号：US20130272445A1
公开(公告)日：2013-10-17
申请号：US13912902
申请日：2013-06-07
Applicant: Huawei Technologies Co., Ltd.
IPC: H04B7/04
CPC classification number: H04B7/0456 , H04B7/0413
Abstract: A precoding method and apparatus are disclosed. The corresponding method includes: constructing a Lagrange function according to a precoding matrix, transmit power, a receive filter matrix and a weighting matrix, and obtaining a Lagrange multiplier by using the Lagrange function; updating the precoding matrix according to the Lagrange multiplier to obtain an iterative precoding matrix and an iterative receive filter matrix; obtaining an iterative Lagrange multiplier according to the iterative precoding matrix, the transmit power, the iterative receive filter matrix and the weighting matrix, and repeating the above steps in an iterative manner of updating the iterative precoding matrix according to the iterative Lagrange multiplier till the iterative precoding matrix converges to a threshold; and precoding information to be transmitted according to the iterative precoding matrix converging to the threshold.
Abstract translation: 公开了一种预编码方法和装置。 相应的方法包括：根据预编码矩阵，发射功率，接收滤波器矩阵和加权矩阵构建拉格朗日函数，并通过使用拉格朗日函数获得拉格朗日乘数; 根据拉格朗日乘数更新预编码矩阵以获得迭代预编码矩阵和迭代接收滤波器矩阵; 根据迭代预编码矩阵，发射功率，迭代接收滤波器矩阵和加权矩阵获得迭代拉格朗日乘数，并以迭代方式重复上述步骤，根据迭代拉格朗日乘数更新迭代预编码矩阵，直到迭代 预编码矩阵收敛到阈值; 以及根据收敛到阈值的迭代预编码矩阵来发送的预编码信息。
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20.发明申请Interference Alignment Method and Device and Multi-Channel Communication System 有权干扰对准方法与设备与多通道通信系统公开(公告)号：US20130177097A1
公开(公告)日：2013-07-11
申请号：US13784182
申请日：2013-03-04
Applicant: Huawei Technologies Co., Ltd.
IPC: H04B1/62
CPC classification number: H04B1/62 , H04B7/0434 , H04B7/0456 , H04B7/0617 , H04B7/086
Abstract: An interference alignment method, an interference alignment device, and a multi-channel communication system are provided. The method includes: obtaining channel matrix in a multi-channel communication system; determining a first desired signal and a second desired signal of the multi-channel communication system according to the channel matrix; obtaining precoding vectors and receive vectors, after a first receive signal is filtered by a receive vector corresponding to the first desired signal, a signal formed by superposing interference signals included therein has a feature of a lattice constellation pattern, and that at a receiver corresponding to the second desired signal, after a second receive signal is filtered by a receive vector corresponding to the second desired signal, interference signals included therein are canceled, where the first receive signal and the second receive signal are transmit signals sent to the corresponding receivers after precoding processing is performed at transmitters by using corresponding precoding vectors.
Abstract translation: 提供了干涉对准方法，干涉对准装置和多通道通信系统。 该方法包括：在多信道通信系统中获取信道矩阵; 根据信道矩阵确定多信道通信系统的第一期望信号和第二期望信号; 在第一接收信号被对应于第一期望信号的接收矢量滤波后，获得预编码矢量和接收矢量，通过叠加其中包含的干扰信号形成的信号具有网格星座图案的特征， 第二所需信号，在第二接收信号被对应于第二期望信号的接收矢量滤波后，其中包括的干扰信号被消除，其中第一接收信号和第二接收信号是在预编码后发送到对应的接收机的发送信号 通过使用相应的预编码向量在发射机处执行处理。
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