公开(公告)号：US20230387998A1

公开(公告)日：2023-11-30

申请号：US18446082

申请日：2023-08-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhi Li ,  Jian Liang ,  Peng Gao

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0413

CPC classification number: H04B7/0682 ,  H04L5/0033 ,  H04B7/0413

Abstract: A communication apparatus and an electronic device for implementing multi-carrier aggregation are provided. The communication apparatus includes a transceiver and an antenna array. The transceiver is coupled to a plurality of radio frequency channels, and the plurality of radio frequency channels are coupled to all antenna units in the antenna array in a one-to-one manner. Each of the plurality of radio frequency channels includes a phase shifter, and the phase shifter is configured to set a phase of a radio frequency signal transmitted in the radio frequency channel. The antenna array includes a plurality of first antenna units and a plurality of second antenna units. The plurality of first antenna units are configured to transmit a plurality of radio frequency signals of a first band, to form a first carrier signal pointing to a first direction.

公开(公告)号：US11101808B2

公开(公告)日：2021-08-24

申请号：US17033005

申请日：2020-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Gao

IPC: H03B19/00 ,  H03K3/017 ,  H03L7/099 ,  G06F1/08 ,  H03K5/00 ,  H03K19/21

Abstract: A frequency multiplier, a digital phase-locked loop circuit, and a frequency multiplication method, where the frequency multiplier includes a clock controller configured to: receive an output signal from a time-to-digital converter in the digital phase-locked loop circuit, and generate a control signal based on a duty cycle error of the output signal, a clock calibration circuit configured to: receive a reference clock signal, calibrate a duty cycle of the reference clock signal based on the control signal, and output a calibrated clock signal, and a clock frequency multiplier configured to: receive the calibrated clock signal, multiply a frequency of the calibrated clock signal, and output a frequency multiplied signal to the time-to-digital converter.

公开(公告)号：USD924885S1

公开(公告)日：2021-07-13

申请号：US29682489

申请日：2019-03-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Designer： Yanyan Mao ,  Huan Yang ,  Peng Gao

公开(公告)号：US20140354365A1

公开(公告)日：2014-12-04

申请号：US14461596

申请日：2014-08-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Gao ,  Yongquan Chen ,  Bingxin Li ,  Christian Grewing

IPC: H03L1/02 ,  H03L5/00

CPC classification number: H03L1/023 ,  H03L5/00 ,  H03L7/099 ,  H03L2207/06

Abstract: A device for compensating temperature drift of a voltage controlled oscillator (VCO) is provided. The VCO has at least one varactor arranged for controlling an output frequency fOut of said VCO by applying a tuning voltage VTune and simultaneously applying a bias voltage VBias on a cathode and an anode of said at least one varactor, respectively. Said device comprises a monitoring circuit and a tuning circuit. Said monitoring circuit has an input arranged to receive said VTune and is arranged to monitor said VTune and further is arranged to activate said tuning circuit based on a value of said VTune, and said tuning circuit has an output connected to said anode and is arranged to output said VBias, wherein said tuning circuit further is arranged to tune said VCO by changing said VBias so as to compensate for a temperature drift of said VCO.

Abstract translation: 提供了用于补偿压控振荡器（VCO）的温度漂移的装置。 VCO具有至少一个变容二极管，用于通过施加调谐电压VTune来控制所述VCO的输出频率fOut，同时分别在所述至少一个变容二极管的阴极和阳极上施加偏置电压VBias。 所述装置包括监视电路和调谐电路。 所述监视电路具有被布置为接收所述VTune的输入，并且被布置成监视所述VTune，并且还被布置为基于所述VTune的值激活所述调谐电路，并且所述调谐电路具有连接到所述阳极的输出，并被布置为 输出所述VBias，其中所述调谐电路还被布置为通过改变所述VBias来调谐所述VCO，以便补偿所述VCO的温度漂移。

公开(公告)号：US20230344125A1

公开(公告)日：2023-10-26

申请号：US18345373

申请日：2023-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Keji Cui ,  Di Li ,  Peng Gao ,  Yongchang Yu

IPC: H01Q3/36 ,  H03K5/00 ,  H04B7/06

CPC classification number: H01Q3/36 ,  H03K5/00006 ,  H04B7/0617 ,  H03K2005/00286

Abstract: A phased array includes a local oscillator signal adjustment path, a first adder, a first power divider, and a plurality of radio-frequency signal transmit channels. An output end of the local oscillator signal adjustment path is coupled to a first input end of the first adder, and is configured to input a first signal to the first adder. A second input end of the first adder is coupled to a transmit path, and is configured to receive a second signal, and the first adder superimposes the first signal on the second signal to generate a to-be-transmitted signal. An input end of the first power divider is coupled to an output end of the first adder, an output end of the first power divider is coupled to input ends of the plurality of radio-frequency signal transmit channels.

公开(公告)号：US11563452B2

公开(公告)日：2023-01-24

申请号：US17104732

申请日：2020-11-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Gao ,  Min Yi

IPC: H04B1/04 ,  H04L27/12

Abstract: A radio frequency transmitter includes a digital-to-analog converter, an analog baseband processor, and a modulator. The digital-to-analog converter is configured to convert a digital frequency-converted signal into a first analog signal, where the digital frequency-converted signal is obtained by performing digital frequency conversion on a digital baseband signal based on a first frequency signal; the analog baseband processor is configured to perform filtering and gain adjustment on the first analog signal to obtain a second analog signal; and the modulator is configured to perform up conversion based on a second frequency signal and the second analog signal, to obtain a radio frequency signal, where the second frequency signal is determined based on a local frequency signal and the first frequency signal.

公开(公告)号：US11381507B2

公开(公告)日：2022-07-05

申请号：US17031855

申请日：2020-09-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dayong Guo ,  Chenxi Hu ,  Peng Gao ,  Xindong Teng ,  Hongtao Guo ,  Shengtao Sun

IPC: G06F15/173 ,  H04L47/125 ,  H04L45/586 ,  H04L12/46 ,  H04L12/28 ,  G06F9/455 ,  H04L49/354 ,  H04L45/50

Abstract: Embodiments of the present invention disclose a virtual network device. The virtual network device is configured to implement a broadband network gateway BNG function, and the virtual network device includes a load balance unit and a first forwarding unit; the load balance unit is configured to: receive a first data packet from a first user terminal, determine the first forwarding unit according to the first data packet and a first correspondence, and send the first data packet to the first forwarding unit, where the first correspondence indicates mapping from the first user terminal to the first forwarding unit; and the first forwarding unit is configured to receive and forward the first data packet. In addition, the embodiments of the present invention further disclose a method for implementing load sharing in a virtual network device.

公开(公告)号：US20210013892A1

公开(公告)日：2021-01-14

申请号：US17033005

申请日：2020-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Gao

IPC: H03L7/099 ,  H03K5/00 ,  H03K19/21 ,  H03K3/017 ,  G06F1/08

Abstract: A frequency multiplier, a digital phase-locked loop circuit, and a frequency multiplication method, where the frequency multiplier includes a clock controller configured to: receive an output signal from a time-to-digital converter in the digital phase-locked loop circuit, and generate a control signal based on a duty cycle error of the output signal, a clock calibration circuit configured to: receive a reference clock signal, calibrate a duty cycle of the reference clock signal based on the control signal, and output a calibrated clock signal, and a clock frequency multiplier configured to: receive the calibrated clock signal, multiply a frequency of the calibrated clock signal, and output a frequency multiplied signal to the time-to-digital converter.

公开(公告)号：US09998357B2

公开(公告)日：2018-06-12

申请号：US14940496

申请日：2015-11-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Peng Gao ,  Zhenhai Li ,  Zhenxiao Liu ,  Tao Bai

IPC: H04L12/707 ,  H04L12/803 ,  H04L12/743 ,  H04L12/813 ,  H04L29/06

CPC classification number: H04L45/24 ,  H04L45/7453 ,  H04L47/125 ,  H04L47/20 ,  H04L69/22

Abstract: Embodiments of the present application disclose a multipath transmission based packet traffic control method, including: monitoring egress traffic of a data packet set sent by a source node; determining, according to a preconfigured mapping relationship between traffic ranges and forwarding paths, a target forwarding path set corresponding to the egress traffic of the data packet set, and a weight parameter of the egress traffic borne on each target forwarding path in the target forwarding path set; and distributing the data packet set according to the weight parameter, and transferring the data packet set to a destination node by the target forwarding path set. The embodiments of the present application further disclose a traffic control apparatus. By using the present application, centralized policing and classification can be performed on user traffic in a multipath transmission scenario.

公开(公告)号：US09455854B2

公开(公告)日：2016-09-27

申请号：US14730008

申请日：2015-06-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Gao ,  Nianyong Zhu ,  Jian Liang

IPC: H04L27/152 ,  H04L7/033 ,  H04B17/21 ,  H04B1/16 ,  H03L7/18 ,  H04B17/14

CPC classification number: H04L27/152 ,  H03L7/18 ,  H04B1/16 ,  H04B17/14 ,  H04B17/21 ,  H04L7/0331

Abstract: The present invention provides a phase-locked loop frequency calibration method and system, where the method includes: performing, within a counting time TCNT[k], frequency counting on a frequency signal that is output in a current working subband by a voltage-controlled oscillator, to obtain a frequency count value FCNT[k], where the current working subband corresponds to a binary value of a current node in a binary search tree; and calculating an error between FCNT[k] and a target frequency count value FCNTTARGET[k], comparing an absolute value of the error with a predetermined value, dynamically adjusting TCNT[k] in a value range of TCNT[k] according to a comparison result, and determining, in combination with a binary search algorithm, a target subband in which the voltage-controlled oscillator works. Such a dynamic calibration method can effectively shorten the calibration time on the whole.

Abstract translation: 本发明提供了一种锁相环频率校准方法和系统，其中该方法包括：在计数时间TCNT [k]内，对通过电压控制的当前工作子带中输出的频率信号进行频率计数 振荡器，以获得频率计数值FCNT [k]，其中当前工作子带对应于二叉搜索树中当前节点的二进制值; 并计算FCNT [k]与目标频率计数值FCNTTARGET [k]之间的误差，将误差的绝对值与预定值进行比较，根据TCNT [k]在TCNT [k]的值范围内动态调整TCNT [k] 比较结果，并结合二进制搜索算法确定压控振荡器工作的目标子带。 这种动态校准方法可以有效地缩短整个校准时间。