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公开(公告)号：US10110404B2
公开(公告)日：2018-10-23
申请号：US15598737
申请日：2017-05-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jun Ma , Yanxing Luo
Abstract: Embodiments of the present disclosure provide a phase calibration method and apparatus, where the apparatus includes a first phase detector and a phase shift control device connected to the first phase detector. The first phase detector is configured to obtain N first signals, compare the N first signals with a reference signal, so as to obtain a phase difference between the reference signal and each first signal in the N first signals, and output the phase difference to the phase shift control device, where N is not less than 2, the N first signals are signals respectively phase-shifted by N phase shifters, and a carrier frequency of the reference signal is the same as a carrier frequency of the N first signals. The phase shift control device is configured to adjust phase shift of the N phase shifters on a one-to-one basis according to the N phase differences.
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公开(公告)号：US20160212715A1
公开(公告)日：2016-07-21
申请号：US15081185
申请日：2016-03-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zihuan Chen , Dafeng Tian , Jun Ma
IPC: H04W52/24
CPC classification number: H04W52/243 , H04W28/0236 , H04W36/30 , H04W40/12 , H04W52/04 , H04W52/241 , H04W52/245 , H04W52/246 , H04W52/26 , H04W52/265 , H04W52/42
Abstract: The present invention relates to the field of information communication and control, and discloses a method and an apparatus for adjusting transmit power and used to resolve a problem of interference between paths in a multipath system. The method provided by the present invention specifically includes: determining a path with worst signal quality according to signal quality information of each path; then, increasing transmit power of the path, or, decreasing transmit power of at least one path that produces strongest interference to the path with the worst signal quality; and finally, using a manner of cyclically adjusting signal transmit power to enable interference between the paths to meet a requirement of not affecting communications quality, thereby resolving a problem of interference between paths in a multipath system. Embodiments of the present invention are mainly used in a data transmission process in a multipath system.
Abstract translation: 本发明涉及信息通信和控制领域，并且公开了一种用于调整发射功率并用于解决多径系统中的路径之间的干扰问题的方法和装置。 本发明提供的方法具体包括：根据每个路径的信号质量信息确定具有最差信号质量的路径; 然后，增加路径的发射功率，或降低对具有最差信号质量的路径产生最强干扰的至少一个路径的发射功率; 最后，采用循环调整信号发送功率的方式，实现路径间的干扰，满足不影响通信质量的要求，从而解决多路径系统中路径间的干扰问题。 本发明的实施例主要用于多径系统中的数据传输过程。
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3.发明授权Transmitter, receiver, and method for receiving and transmitting a radio frequency signal 有权用于接收和发送射频信号的发射机，接收机和方法公开(公告)号：US09264279B2
公开(公告)日：2016-02-16
申请号：US14699823
申请日：2015-04-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
CPC classification number: H04L27/36 , H03F3/24 , H04B1/04 , H04B1/40 , H04B2001/0408 , H04L27/0002 , H04L27/38
Abstract: The present invention discloses a transmitter, a receiver, and a method for receiving and transmitting a radio frequency signal, and relates to the field of radio communications technologies, which can perform carrier recovery and generation at a front end of a radio frequency circuit, thereby reducing a running cost of a baseband chip. The method includes: generating, by an amplitude discriminator/phase detector according to an intermediate-frequency analog signal, a signal amplitude pulse signal/signal phase pulse signal that is not corrected; generating, by a bit error matrix corrector, an amplitude/phase correction control signal; correcting, by the amplitude discriminator/phase detector, the signal amplitude pulse signal/signal phase pulse signal according to the amplitude/phase correction control signal; and converting, by an amplitude code generator/phase code generator, a corrected pulse signal into a corresponding digital code. The present invention is applicable to receiving/transmitting a radio frequency signal.
Abstract translation: 本发明公开了一种用于接收和发送射频信号的发射机，接收机和方法，涉及能够在射频电路的前端执行载波恢复和生成的无线电通信技术领域，从而 降低基带芯片的运行成本。 该方法包括：通过根据中频模拟信号的幅度鉴别器/相位检测器产生未校正的信号幅度脉冲信号/信号相位脉冲信号; 通过位误差矩阵校正器产生振幅/相位校正控制信号; 通过幅度鉴别器/相位检测器根据振幅/相位校正控制信号校正信号幅度脉冲信号/信号相位脉冲信号; 并通过幅度码发生器/相位码发生器将校正的脉冲信号转换成相应的数字码。 本发明可应用于接收/发射射频信号。
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4.发明授权Frame synchronization method and apparatus of wireless system, and wireless system 有权无线系统和无线系统的帧同步方法和装置公开(公告)号：US09264113B2
公开(公告)日：2016-02-16
申请号：US14626482
申请日：2015-02-19
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jun Ma
CPC classification number: H04B7/0413 , H04B7/04 , H04B7/0811 , H04L7/04 , H04L27/2656 , H04L27/2675
Abstract: Embodiments of the present invention provide a frame synchronization method. The frame synchronization method of the wireless system includes: separately delaying a signal received from one of N receiving antennas in K tributaries, and outputting K delayed signals, where N and K are positive integers; generating a first output signal by performing a correlation operation on the K delayed signals and a preamble subsequence; generating a second output signal by performing the correlation operation on each of the K delayed signals and each of the K delayed signals itself; and performing cancellation processing for the first output signal and the second output signal to obtain a string of data stream, obtaining a maximum value of the string of data stream as a correlation peak, so as to determine a position of a frame header according to a time point corresponding to the correlation peak.
Abstract translation: 本发明的实施例提供一种帧同步方法。 无线系统的帧同步方法包括：分别延迟从K个支路中的N个接收天线之一接收的信号，并输出K个延迟信号，其中N和K是正整数; 通过对K个延迟信号和前同步码序列执行相关运算来产生第一输出信号; 通过对K个延迟信号和K个延迟信号本身中的每一个执行相关运算来产生第二输出信号; 以及对所述第一输出信号和所述第二输出信号执行取消处理以获得一串数据流，获得所述数据串串的最大值作为相关峰值，以便根据第一输出信号和第二输出信号确定帧头的位置 时间点对应于相关峰值。
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公开(公告)号：US08538474B2
公开(公告)日：2013-09-17
申请号：US13625638
申请日：2012-09-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zihuan Chen , Dafeng Tian , Jun Ma
IPC: H04B1/00 , H04B7/00 , H04B1/04 , H01Q11/12 , H04W4/00 , G08C17/00 , H04K1/10 , H04L27/28 , H04L27/00 , H04N7/173
CPC classification number: H04W52/367 , H04L1/0003 , H04L1/0017 , H04L1/0025 , H04W52/241 , H04W52/247
Abstract: A method and an apparatus of adjusting transmission power are provided. Transmission power configuration information is acquired, where the transmission power configuration information includes a transmission power lower limit and a transmission power upper limit; modulation mode configuration information is acquired, where the modulation mode configuration information includes a lower limit modulation mode and an upper limit modulation mode; current channel information is acquired; calculation is performed according to the current channel information, the transmission power configuration information and the modulation mode configuration information to obtain first transmission power and a first modulation mode; and signal transmission is controlled according to the first transmission power and the first modulation mode.
Abstract translation: 提供了一种调节发射功率的方法和装置。 发送功率配置信息包含发送功率下限和发送功率上限的发送功率配置信息， 调制模式配置信息被获取，其中调制模式配置信息包括下限调制模式和上限调制模式; 获取当前频道信息; 根据当前信道信息，发送功率配置信息和调制模式配置信息进行计算，以获得第一发送功率和第一调制模式; 并且根据第一传输功率和第一调制模式来控制信号传输。
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Patent Agency Ranking
公开(公告)号：US20130023298A1
公开(公告)日：2013-01-24
申请号：US13625638
申请日：2012-09-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zihuan Chen , Dafeng Tian , Jun Ma
IPC: H04W52/04
CPC classification number: H04W52/367 , H04L1/0003 , H04L1/0017 , H04L1/0025 , H04W52/241 , H04W52/247
Abstract: A method and an apparatus of adjusting transmission power are provided. Transmission power configuration information is acquired, where the transmission power configuration information includes a transmission power lower limit and a transmission power upper limit; modulation mode configuration information is acquired, where the modulation mode configuration information includes a lower limit modulation mode and an upper limit modulation mode; current channel information is acquired; calculation is performed according to the current channel information, the transmission power configuration information and the modulation mode configuration information to obtain first transmission power and a first modulation mode; and signal transmission is controlled according to the first transmission power and the first modulation mode.
Abstract translation: 提供了一种调节发射功率的方法和装置。 发送功率配置信息包含发送功率下限和发送功率上限的发送功率配置信息， 调制模式配置信息被获取，其中调制模式配置信息包括下限调制模式和上限调制模式; 获取当前频道信息; 根据当前信道信息，发送功率配置信息和调制模式配置信息进行计算，以获得第一发送功率和第一调制模式; 并且根据第一传输功率和第一调制模式来控制信号传输。
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公开(公告)号：US20180076520A1
公开(公告)日：2018-03-15
申请号：US15821404
申请日：2017-11-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jun Ma
IPC: H01Q3/36
Abstract: A beam signal tracking method, device, and system, where the method includes obtaining a Doppler frequency shift of a receive-beam signal, determining a Doppler frequency shift change speed of the receive-beam signal according to the Doppler frequency shift, determining a scanning speed and a scanning angle step size of the receive-beam signal according to the Doppler frequency shift change speed, scanning the receive-beam signal according to the scanning speed and the scanning angle step size, determining a beam angle that is formed when the receive-beam signal is aligned with a transmit-beam signal, determining phase configuration information of a phase shifter according to the beam angle that is formed when the receive-beam signal is aligned with the transmit-beam signal, and configuring the phase shifter according to the phase configuration information of the phase shifter such that the receive-beam signal is aligned with the transmit-beam signal.
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公开(公告)号：US20170257240A1
公开(公告)日：2017-09-07
申请号：US15598737
申请日：2017-05-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jun Ma , Yanxing Luo
CPC classification number: H04L27/20 , H01Q3/30 , H04B17/12 , H04L5/0048 , H04L27/14
Abstract: Embodiments of the present disclosure provide a phase calibration method and apparatus, where the apparatus includes a first phase detector and a phase shift control device connected to the first phase detector. The first phase detector is configured to obtain N first signals, compare the N first signals with a reference signal, so as to obtain a phase difference between the reference signal and each first signal in the N first signals, and output the phase difference to the phase shift control device, where N is not less than 2, the N first signals are signals respectively phase-shifted by N phase shifters, and a carrier frequency of the reference signal is the same as a carrier frequency of the N first signals. The phase shift control device is configured to adjust phase shift of the N phase shifters on a one-to-one basis according to the N phase differences.
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公开(公告)号：US20140177489A1
公开(公告)日：2014-06-26
申请号：US14189471
申请日：2014-02-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Lianfu Liu , Jun Ma
CPC classification number: H04J3/06 , H04B7/2643 , H04L27/0014 , H04L27/2273 , H04L2027/0024 , H04L2027/0048
Abstract: Embodiments of the present invention provide a carrier synchronization method, circuit, and system. The method includes performing n times frequency multiplication on a received signal; performing narrowband filtering at least twice and rectangular wave shaping at least twice on the signal obtained after the n times frequency multiplication; and performing n times frequency division on the signal obtained after the filtering and shaping, to restore a carrier signal. The variable n is a positive integer greater than or equal to 4.
Abstract translation: 本发明的实施例提供一种载波同步方法，电路和系统。 该方法包括对接收到的信号执行n次倍频; 执行窄带滤波至少两次，并在n次倍频后获得的信号进行矩形波整形至少两次; 对滤波和整形后获得的信号执行n次分频，以恢复载波信号。 变量n是大于或等于4的正整数。
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公开(公告)号：US10305366B2
公开(公告)日：2019-05-28
申请号：US16149739
申请日：2018-10-02
Applicant: Huawei Technologies Co., Ltd.
Abstract: The disclosure relates to a controller for a power converter, the power converter comprising a first switch and a second switch, wherein the controller is configured to receive a first control signal based on a first drain-to-source voltage of the first switch; receive a second control signal based on a second drain-to-source voltage of the second switch; derive a first switch control signal based on the first control signal and control the first switch by providing the first switch control signal to the first switch; derive a second switch control signal based on the second control signal and control the second switch by providing the second switch control signal to the second switch; wherein the first switch control signal and the second switch control signal each comprises turn-on edges and turn-off edges. Furthermore, disclosure also relates to corresponding methods, a non-transitory computer readable medium.
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