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公开(公告)号：US20240313429A1
公开(公告)日：2024-09-19
申请号：US18676807
申请日：2024-05-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ning Yang , Meng Cai , Chuanhui Ma , Qing Wang
Abstract: Embodiments of this application provide an antenna and an antenna system. As the antenna is functionally equivalent to a plurality of conventional antennas, device costs and base station space occupied by the antenna can be reduced. The antenna includes a first reflective surface and N feeds, where N is an integer greater than 1. The N feeds are disposed on the first reflective surface, the first reflective surface includes N areas, the N areas are in one-to-one correspondence with the N feeds, and each area is used to reflect a beam radiated by a corresponding feed.
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公开(公告)号：US11895522B2
公开(公告)日：2024-02-06
申请号：US17313531
申请日：2021-05-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Meng Cai , Kun Li , Jiantao Ma , Ping Cao , Hongli Jiang
IPC: H04W24/10 , H04B17/336 , H04L5/00
CPC classification number: H04W24/10 , H04B17/336 , H04L5/0048
Abstract: A method includes: A first device sends a first signal to a second device, where the first signal includes a first transmit signal and a first pilot signal; the first device obtains a second signal, where the second signal includes a first self-interference signal, a second pilot signal, and a second receive signal from the second device; the first device extracts jitter information of the first self-interference signal based on the first pilot signal and the second pilot signal; the first device reconstructs a self-interference signal based on the first transmit signal and the jitter information of the first self-interference signal, to obtain a cancellation signal of the first self-interference signal; and the first device cancels the first self-interference signal from the second receive signal based on the cancellation signal of the first self-interference signal.
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公开(公告)号：US09813092B2
公开(公告)日：2017-11-07
申请号：US15261289
申请日：2016-09-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Meng Cai , Kun Li , Hongli Jiang , Yu Liu
CPC classification number: H04B1/1027 , H04B1/76 , H04B7/04 , H04J11/004 , H04J11/005 , H04L5/0073
Abstract: A signal processing method and apparatus are disclosed. The signal processing method includes: receiving, by a first signal processing apparatus, a mixed signal; acquiring, by the first signal processing apparatus, an energy strength ratio of the mixed signal, where the energy strength ratio includes a ratio of energy strength of a signal sent by a first signal source and received by the first signal processing apparatus to energy strength of a signal sent by a second signal source and received by the first signal processing apparatus; and if the energy strength ratio is less than a first preset threshold, using, by the first signal processing apparatus, the signal sent by the second signal source in the mixed signal as an interference signal and separating the interference signal, and determining that a mixed signal obtained after the separation processing is the desired signal sent by the first signal source.
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公开(公告)号：US09614695B2
公开(公告)日：2017-04-04
申请号：US15280046
申请日：2016-09-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yu Liu , Cheng Hong , Meng Cai , Hongli Jiang
CPC classification number: H04L25/03 , H04B1/0475 , H04B7/0469 , H04L5/0048 , H04L5/04 , H04L25/08
Abstract: The present invention provides a method. The method includes: performing coupling to acquire a first reference signal and a second reference signal from a transmit signal transmitted on a same transmit link at a transmit end; performing signal recombination according to the first reference signal and the second reference signal, to obtain a first interference cancellation signal and a second interference cancellation signal; enabling the first interference cancellation signal to pass through a simulated interference channel, and enabling the second interference cancellation signal to pass through the simulated interference channel; and coupling and output, to a same receive link at the local receive end, the first interference cancellation signal and the second interference cancellation signal that have passed through the simulated interference channel, and combining the first interference cancellation signal and the second interference cancellation signal with a signal received by the local receive end.
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15.发明授权Method, device, and system for implementing microwave multiple-input multiple-output 有权实现微波多输入多输出的方法，设备和系统公开(公告)号：US09214991B2
公开(公告)日：2015-12-15
申请号：US14192233
申请日：2014-02-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
CPC classification number: H04B7/0413 , H04B7/0697 , H04L27/18
Abstract: A method, device and system for implementing microwave multiple-input multiple-output, relate to the field of wireless communications. The device includes a transmit channel correction module including a transmission energy distributor and a transmission coupler; the transmission energy distributor decomposes, according to a first energy distribution parameter, each channel of transmitted signals among N channels of transmitted signals into channels of transmitted sub-signals, where the number of the channels of transmitted sub-signals is the same as the number of transmit antennas, the number of transmit antennas is N, and N is a natural number greater than 1; and the transmission coupler performs phase processing on each channel of transmitted sub-signals according to a first phase parameter, selects one channel of phase-processed transmitted sub-signals from each of the N channels of transmitted signals, and combines them to obtain N channels of output signals.
Abstract translation: 实现微波多输入多输出的方法，装置和系统涉及无线通信领域。 该装置包括：发射信道校正模块，包括传输能量分配器和传输耦合器; 传输能量分配器根据第一能量分布参数将发射信号的N个信道中的每个信道的信道分解为所发送的子信号的信道，其中所发送的子信号的信道的数量与数字 发射天线的数量为N，N为大于1的自然数; 并且发送耦合器根据第一相位参数对发送的子信号的每个信道执行相位处理，从发送信号的N个信道中的每一个中选择相位处理的发送子信号的一个信道，并将它们组合以获得N个信道 的输出信号。
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Patent Agency Ranking
16.发明申请METHOD, APPARATUS, AND SYSTEM FOR FREQUENCY OFFSET ESTIMATION AND CHANNEL ESTIMATION 有权用于频率偏差估计和信道估计的方法，装置和系统公开(公告)号：US20140205045A1
公开(公告)日：2014-07-24
申请号：US14224697
申请日：2014-03-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Meng Cai
CPC classification number: H04B1/1027 , H04B7/0413 , H04B2001/1072 , H04L25/0204 , H04L25/0212 , H04L25/0228 , H04L27/0014 , H04L2027/0046 , H04L2027/0065 , H04L2027/0089
Abstract: A method for frequency performing offset estimation and channel estimation includes performing frequency offset estimation on the received data, and obtaining a frequency offset estimation result when interference signals in received data are not obtained, After the interference signals in the received data are obtained, the method includes performing frequency offset estimation on the received data according to the interference signals, and obtaining a frequency offset estimation result. Channel estimation is performed on the received data according to the frequency offset estimation result, and a channel estimation result is obtained. Interference signals are obtained according to the frequency offset estimation result and the channel estimation result, where the interference signals are used as parameters of the frequency offset estimation.
Abstract translation: 用于频率执行偏移估计和信道估计的方法包括对接收到的数据执行频偏估计，以及当没有获得接收数据中的干扰信号时获得频偏估计结果。在获得接收数据中的干扰信号之后，该方法 包括根据干扰信号对接收到的数据执行频偏估计，并获得频偏估算结果。 根据频率偏移估计结果对接收到的数据进行信道估计，并获得信道估计结果。 根据频偏估计结果和信道估计结果获得干扰信号，其中干扰信号用作频偏估计的参数。
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公开(公告)号：US20130246885A1
公开(公告)日：2013-09-19
申请号：US13889917
申请日：2013-05-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD
Inventor： Meng Cai
IPC: H03M13/13
CPC classification number: H03M13/13 , H03M13/1102 , H03M13/1145 , H03M13/35 , H03M13/353 , H03M13/3753
Abstract: A method and an apparatus for decoding low-density parity-check codes are provided. A first decoding unit performs decoding computation on a first code word from a second time period to an Oth time period. A second decoding unit performs decoding computation on a second code word from a third time period to an (O+1)th time period. An Nth decoding unit performs decoding computation on an Nth code word from an (N+1)th time period to an (N+O−1)th time period. An Mth decoding unit performs decoding computation on an Mth code word from an (M+1)th time period to an (M+O−1)th time period. Each decoding unit may perform decoding computation in multiple time periods.
Abstract translation: 提供了一种用于解码低密度奇偶校验码的方法和装置。 第一解码单元对从第二时间段到第O时间段的第一码字执行解码计算。 第二解码单元对从第三时间段到第（O + 1）个时间段的第二码字进行解码运算。 第N个解码单元对从第（N + 1）个时间段到第（N + O-1）个时间段的第N个码字进行解码运算。 第M个解码单元对从第（M + 1）个时间段到第（M + O-1）个时间段的第M个码字执行解码计算。 每个解码单元可以在多个时间段内执行解码计算。
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公开(公告)号：US12046833B2
公开(公告)日：2024-07-23
申请号：US17746704
申请日：2022-05-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: This application discloses example beam direction adjustment methods, apparatuses, and media. One example method includes obtaining at least one of an azimuth or a pitch angle of a microwave antenna in an antenna system, where the antenna system includes the microwave antenna and a radome installed at an air interface of the microwave antenna, the radome includes a liquid crystal array including M×N liquid crystal cells, and both M and N are integers greater than 0. A target scanning angle of the microwave antenna is determined based on at least one of the azimuth or the pitch angle. A first bias voltage value of the liquid crystal array is determined based on the target scanning angle. A voltage of the liquid crystal array is set to the first bias voltage value.
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公开(公告)号：US09647333B2
公开(公告)日：2017-05-09
申请号：US14728131
申请日：2015-06-02
Applicant: Huawei Technologies CO., Ltd.
CPC classification number: H01Q3/16 , H01Q15/14 , H01Q15/18 , H01Q19/106 , H01Q19/192 , H01Q25/007
Abstract: Embodiments of the present invention relate to the communication field and provide an array antenna. The array antenna includes: an antenna body, which is a multi-beam antenna, a single-beam antenna without grating lobes, or a single-beam antenna with grating lobes and transmits or receives a beam set by centering on the antenna body, where the beam set includes at least one beam; a planar reflection board, configured to reflect the beam set transmitted or received by the antenna body; and an adjusting unit, connected to the antenna body and/or the planar reflection board, and configured to adjust a relative position between the planar reflection board and the beam set of the antenna body so that the beam set of the antenna body can be transmitted or received in any direction after being reflected by the planar reflection board.
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公开(公告)号：US09419826B2
公开(公告)日：2016-08-16
申请号：US14671810
申请日：2015-03-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Dongyuan Shi , Dongmei He , Meng Cai
CPC classification number: H04L25/03057 , H03H21/0012 , H03H2021/0041 , H03H2021/007 , H04L25/03 , H04L25/03019 , H04L25/03146 , H04L2025/03617 , H04L2025/03636
Abstract: The present invention discloses an adaptive filtering method and system based on an error sub-band. The present invention includes performing analysis filtering processing on an error signal and an input signal to obtain an error sub-band signal and an input sub-band signal respectively; and performing calculation according to the input sub-band signal and the error sub-band signal to obtain a new adaptive filtering weight, and updating a weight in an adaptive filter.
Abstract translation: 本发明公开了一种基于误差子带的自适应滤波方法和系统。 本发明包括对误差信号和输入信号执行分析滤波处理，以分别获得误差子带信号和输入子带信号; 并根据输入的子带信号和误差子带信号进行计算，得到新的自适应滤波权重，并更新自适应滤波器中的权重。
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