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1. 发明授权

US11075659B2 Power adjustment method and apparatus 有权
公开(公告)号：US11075659B2
公开(公告)日：2021-07-27
申请号：US16991725
申请日：2020-08-12
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Meng Cai , Kun Li
IPC分类号： H04L1/00 , H04B1/04 , H03F1/32
摘要： This application provides a power adjustment method and apparatus. The method includes obtaining a to-be-output signal, performing first automatic gain control (AGC) processing on the to-be-output signal to obtain the to-be-output signal on which the first AGC processing is performed, and to obtain a gain value of the to-be-output signal. The method also includes performing digital pre-distortion (DPD) processing on the to-be-output signal on which the first AGC processing is performed, to obtain the to-be-output signal on which the DPD processing is performed. The method further includes calculating an output power back-off (OBO) value based on the gain value, adjusting, based on the OBO value, output power of the to-be-output signal on which the DPD processing is performed, and sending, to a signal receive end, the to-be-output signal on which the power adjustment is performed.

2. 发明申请

US20180249466A1 Data Sending and Receiving Method, Apparatus, and System 审中-公开
公开(公告)号：US20180249466A1
公开(公告)日：2018-08-30
申请号：US15964979
申请日：2018-04-27
申请人： Huawei Technologies Co., Ltd.
发明人： Meng Cai , Hongli Jiang , Kun Li
IPC分类号： H04W72/04
摘要： Embodiments of the present invention provide a data sending and receiving method, an apparatus, and a system. The method can be executed by a microwave device, which includes: obtaining a control word (CW) and a first antenna-carrier (A×C) from a common public radio interface (CPRI) frame; modulating the CW to obtain in-phase/quadrature (I/Q) data of the CW; determining a first timeslot in which the first A×C does not carry antenna-carrier I/Q data; writing a preset synchronization sequence, first information, and a random number in the first timeslot to generate a second A×C; and combining the second A×C with the I/Q data of the CW to generate a microwave air interface frame, and sending the microwave air interface frame in a time division multiplexing manner.

3. 发明申请

US20160112179A1 INFORMATION PROCESSING METHOD AND APPARATUS 有权
标题翻译：信息处理方法和装置
公开(公告)号：US20160112179A1
公开(公告)日：2016-04-21
申请号：US14983841
申请日：2015-12-30
申请人： Huawei Technologies Co., Ltd.
发明人： Meng Cai , Huaping Qing , Yu Liu , Hongli Jiang , Qiao Liu
IPC分类号： H04L5/14 , H04L7/00 , H04L5/00
CPC分类号： H04L5/14 , H04L5/0048 , H04L7/0033 , H04L25/0226
摘要： The present invention discloses an information processing method and apparatus, including: obtaining a local to-be-transmitted signal by using a local transmitter, and inserting first pilots and second pilots, where the first pilots are inserted from a first position of the local to-be-transmitted signal, the second pilots are inserted from a second position of the local to-be-transmitted signal; obtaining a local transmit signal; obtaining a peer transmit signal, where the peer transmit signal is sent after third pilots and fourth pilots are inserted, the third pilots are inserted from a third position of the peer transmit signal, the fourth pilots are inserted from a fourth position of the peer transmit signal, the first pilot is orthogonal to the fourth pilot, and the second pilot is orthogonal to the third pilot; and parsing the local transmit signal and the peer transmit signal by using the local receiver.
摘要翻译：本发明公开了一种信息处理方法和装置，包括：通过使用本地发射机获得本地发送信号，并插入第一导频和第二导频，其中第一导频从本地的第一位置插入到所述第二导频从所述本地待发射信号的第二位置插入; 获得本地发送信号; 获取对等体发送信号，其中在第三导频和第四导频插入之后发送对等体发射信号，从对等体发射信号的第三位置插入第三导频，从对等体传输的第四位置插入第四导频信号，第一导频与第四导频正交，第二导频与第三导频正交; 以及通过使用本地接收机解析本地发送信号和对等体发送信号。

4. 发明申请

US20130202022A1 METHOD AND DEVICE FOR SIGNAL PROCESSING AND APPLIED TO MICROWAVE COMMUNICATION SYSTEM 有权
标题翻译：用于信号处理和应用于微波通信系统的方法和装置
公开(公告)号：US20130202022A1
公开(公告)日：2013-08-08
申请号：US13728876
申请日：2012-12-27
申请人： Huawei Technologies Co., Ltd.
发明人： Meng Cai
IPC分类号： H04L27/01
CPC分类号： H04L27/01 , H04L7/0058 , H04L7/033 , H04L25/0204 , H04L25/0242 , H04L25/03019 , H04L25/03273 , H04L2025/03426 , H04L2025/03611 , H04L2027/0038 , H04L2027/0065
摘要： A method and a device which are for signal processing and are applied to a microwave communication system are disclosed. The method includes: performing equalization processing on each input signal by using an equalizer so as to obtain an equalized signal corresponding to the each input signal; performing phase estimation on phase noise in the equalized signal to obtain an estimated phase of the phase noise; performing phase rotation on the equalized signal to offset the estimated phase of the phase noise, so as to obtain a phase rotation signal; suppressing residual phase noise in the phase rotation signal by using a phase-locked loop so as to output an error signal and a received signal; and performing an iterative update on a filter coefficient of the equalizer by using the error signal.
摘要翻译：公开了一种用于信号处理并应用于微波通信系统的方法和装置。该方法包括：通过使用均衡器对每个输入信号执行均衡处理，以获得对应于每个输入信号的均衡信号; 对均衡信号中的相位噪声执行相位估计，以获得相位噪声的估计相位; 在均衡信号上执行相位旋转以偏移相位噪声的估计相位，以获得相位旋转信号; 通过使用锁相环来抑制相位旋转信号中的残留相位噪声，以输出误差信号和接收信号; 以及通过使用误差信号对均衡器的滤波器系数执行迭代更新。

5. 发明授权

US09813092B2 Signal processing method and apparatus 有权
公开(公告)号：US09813092B2
公开(公告)日：2017-11-07
申请号：US15261289
申请日：2016-09-09
申请人： Huawei Technologies Co., Ltd.
发明人： Meng Cai , Kun Li , Hongli Jiang , Yu Liu
IPC分类号： H04B1/04 , H04B1/10 , H04J11/00 , H04B1/76 , H04L5/00 , H04B7/04
CPC分类号： H04B1/1027 , H04B1/76 , H04B7/04 , H04J11/004 , H04J11/005 , H04L5/0073
摘要： 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.

6. 发明授权

US09614695B2 Intra-frequency interference cancellation method, apparatus, and system 有权
公开(公告)号：US09614695B2
公开(公告)日：2017-04-04
申请号：US15280046
申请日：2016-09-29
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yu Liu , Cheng Hong , Meng Cai , Hongli Jiang
IPC分类号： H04B7/04 , H04L25/03 , H04L25/08 , H04B1/04 , H04L5/00 , H04L5/04
CPC分类号： H04L25/03 , H04B1/0475 , H04B7/0469 , H04L5/0048 , H04L5/04 , H04L25/08
摘要： 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.

7. 发明授权

US09214991B2 Method, device, and system for implementing microwave multiple-input multiple-output 有权
标题翻译：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
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Meng Cai , Kun Li
IPC分类号： H04B7/02 , H04L1/02 , H04B7/04 , H04B7/06 , H04L27/18
CPC分类号： H04B7/0413 , H04B7/0697 , H04L27/18
摘要： 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.
摘要翻译：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。

8. 发明申请

US20140205045A1 METHOD, APPARATUS, AND SYSTEM FOR FREQUENCY OFFSET ESTIMATION AND CHANNEL ESTIMATION 有权
标题翻译：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
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Meng Cai
IPC分类号： H04B1/10 , H04B7/04
CPC分类号： H04B1/1027 , H04B7/0413 , H04B2001/1072 , H04L25/0204 , H04L25/0212 , H04L25/0228 , H04L27/0014 , H04L2027/0046 , H04L2027/0065 , H04L2027/0089
摘要： 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.
摘要翻译：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。

9. 发明申请

US20130246885A1 Method and Apparatus for Decoding Low-Density Parity-Check Codes 有权
标题翻译：用于解码低密度奇偶校验码的方法和装置
公开(公告)号：US20130246885A1
公开(公告)日：2013-09-19
申请号：US13889917
申请日：2013-05-08
申请人： HUAWEI TECHNOLOGIES CO., LTD
发明人： Meng Cai
IPC分类号： H03M13/13
CPC分类号： H03M13/13 , H03M13/1102 , H03M13/1145 , H03M13/35 , H03M13/353 , H03M13/3753
摘要： 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.
摘要翻译：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。

10. 发明授权

US10582495B2 Data sending and receiving method, apparatus, and system 有权
公开(公告)号：US10582495B2
公开(公告)日：2020-03-03
申请号：US15964979
申请日：2018-04-27
申请人： Huawei Technologies Co., Ltd.
发明人： Meng Cai , Hongli Jiang , Kun Li
IPC分类号： H04W72/04 , H04L27/36 , H04W88/08 , H04L27/34 , H04L7/04 , H04J3/00 , H04L25/02
摘要： Embodiments of the present invention provide a data sending and receiving method, an apparatus, and a system. The method can be executed by a microwave device, which includes: obtaining a control word (CW) and a first antenna-carrier (A×C) from a common public radio interface (CPRI) frame; modulating the CW to obtain in-phase/quadrature (I/Q) data of the CW; determining a first timeslot in which the first A×C does not carry antenna-carrier I/Q data; writing a preset synchronization sequence, first information, and a random number in the first timeslot to generate a second A×C; and combining the second A×C with the I/Q data of the CW to generate a microwave air interface frame, and sending the microwave air interface frame in a time division multiplexing manner.

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