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公开(公告)号：US12088185B2
公开(公告)日：2024-09-10
申请号：US17366744
申请日：2021-07-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chen Huang , Qiang Xie , Liang Chen
CPC classification number: H02M1/0025 , H02M3/158 , H02M3/1586 , H02M1/0009
Abstract: In a voltage conversion circuit, a sampling signal and a triangular wave signal are synthesized into a first signal, and the first signal and a second signal are compared to output a pulse-width modulation (PWM) signal. A frequency of the PWM signal may be determined by a frequency of the triangular wave signal. Therefore, the frequency of the PWM signal is fixed using the frequency-fixed triangular wave signal. Turning on or switching off of a power transistor in a voltage conversion subcircuit is controlled according to the PWM signal to convert a received direct current input voltage into a direct current output voltage, thereby implementing a fixed operating frequency for the voltage conversion circuit.
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公开(公告)号：US20190097538A1
公开(公告)日：2019-03-28
申请号：US16198408
申请日：2018-11-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chen Huang
Abstract: A voltage conversion circuit and method, and a multiphase parallel power system, where in the voltage conversion circuit, a feedback circuit provides a frequency-controllable feedback ripple signal. Therefore, the voltage conversion circuit has a controllable operating frequency, and a frequency requirement of a load may be met. Compensation does not need to be performed in a hysteresis mode, and therefore the hysteresis mode has a fast-speed response. The operating frequency is fixed. Therefore, the voltage conversion circuit in the embodiments may be applied to the multiphase parallel power system such that the multiphase parallel power system is applicable to an application scenario with a large load current.
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公开(公告)号：US20180183337A1
公开(公告)日：2018-06-28
申请号：US15902782
申请日：2018-02-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chen Huang
CPC classification number: H02M3/1584 , H02M1/08 , H02M3/1582 , H02M2001/0003 , H02M2001/0025 , H02M2003/1586 , H03K4/06 , H03K5/04 , H03K7/08
Abstract: A voltage conversion circuit and method, and a multiphase parallel power system, where in the voltage conversion circuit, a feedback circuit provides a frequency-controllable feedback ripple signal. Therefore, the voltage conversion circuit has a controllable operating frequency, and a frequency requirement of a load may be met. Compensation does not need to be performed in a hysteresis mode, and therefore the hysteresis mode has a fast-speed response. The operating frequency is fixed. Therefore, the voltage conversion circuit in the embodiments may be applied to the multiphase parallel power system such that the multiphase parallel power system is applicable to an application scenario with a large load current.
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公开(公告)号：US20210336524A1
公开(公告)日：2021-10-28
申请号：US17366744
申请日：2021-07-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chen Huang , Qiang Xie , Liang Chen
Abstract: In a voltage conversion circuit, a sampling signal and a triangular wave signal are synthesized into a first signal, and the first signal and a second signal are compared to output a pulse-width modulation (PWM) signal. A frequency of the PWM signal may be determined by a frequency of the triangular wave signal. Therefore, the frequency of the PWM signal is fixed using the frequency-fixed triangular wave signal. Turning on or switching off of a power transistor in a voltage conversion subcircuit is controlled according to the PWM signal to convert a received direct current input voltage into a direct current output voltage, thereby implementing a fixed operating frequency for the voltage conversion circuit.
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公开(公告)号：US11043738B2
公开(公告)日：2021-06-22
申请号：US16698442
申请日：2019-11-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanmin Yu , Chen Huang , Zihui Liu , Ming Yang , Jian Song
Abstract: This application provides a dual-polarized radiating element, an antenna, a base station, and a communications system. The dual-polarized radiating element includes: an insulated support structure with a solid structure, where the insulated support structure includes a top part, a base, and an intermediate supporting piece that connects the top part and the base; and at least two radiating arm groups conformal to the insulated support structure, and feeding mechanisms corresponding to the radiating arm groups; the feeding mechanism includes a balun and a feeding plate, one end of the balun is electrically connected to a corresponding radiating arm group, and another end of the balun is electrically connected to a ground layer; and the feeding plate is connected to an electric lead on the base of the insulated support structure.
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Patent Agency Ranking
6.发明授权公开(公告)号：US08719956B2
公开(公告)日：2014-05-06
申请号：US13719681
申请日：2012-12-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chen Huang , Renzhou Zhang , Zhipeng Zhou , Weizhong Yuan
IPC: G06F21/00
CPC classification number: G06F21/60 , G06F21/10 , G06F2221/0777 , H04L63/10 , H04L2463/101
Abstract: A method and an apparatus for moving a license between SRMs. A DRM agent obtains the license from a first SRM, and sets the license to a forwarding state locally; the DRM agent deducts one permission of moving the license; and the DRM agent sends the license to a second SRM.
Abstract translation: 一种用于在SRM之间移动许可证的方法和装置。 DRM代理从第一SRM获取许可证，并将许可证设置为本地转发状态; DRM代理人扣除许可移动许可证; 并且DRM代理将许可证发送到第二SRM。
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公开(公告)号：US10164536B2
公开(公告)日：2018-12-25
申请号：US15902782
申请日：2018-02-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chen Huang
Abstract: A voltage conversion circuit and method, and a multiphase parallel power system, where in the voltage conversion circuit, a feedback circuit provides a frequency-controllable feedback ripple signal. Therefore, the voltage conversion circuit has a controllable operating frequency, and a frequency requirement of a load may be met. Compensation does not need to be performed in a hysteresis mode, and therefore the hysteresis mode has a fast-speed response. The operating frequency is fixed. Therefore, the voltage conversion circuit in the embodiments may be applied to the multiphase parallel power system such that the multiphase parallel power system is applicable to an application scenario with a large load current.
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公开(公告)号：US20240275028A1
公开(公告)日：2024-08-15
申请号：US18644115
申请日：2024-04-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Chen Huang , Dingjiu Daojian , Chengdai Xue , Chao Ren
CPC classification number: H01Q1/246 , H01Q19/104 , H01Q21/0006 , H01Q21/061 , H01P1/00
Abstract: This disclosure provides an antenna and a base station device. The antenna includes: a plurality of first frequency band antenna groups; a plurality of second frequency band radiating elements; and a reflection plate on which a reflection plate through hole is provided. Each first frequency band radiating element includes: a first balun structure and a first signal transmission structure, which pass through the reflection plate through hole. A phase shifter includes a first phase shifter cavity, a choke cavity, and a first feed network signal transmission structure located in the first phase shifter cavity. A part that is of the first balun structure and that is located on a second side of the reflection plate is located in the choke cavity.
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公开(公告)号：US11477078B2
公开(公告)日：2022-10-18
申请号：US17215709
申请日：2021-03-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wei Wei , Chen Huang
IPC: H04L67/101 , H04L41/0816 , H04L41/0826 , H04L67/1031 , H04L67/1097
Abstract: A data transmission method includes receiving a service request sent by a terminal device. The method also includes determining, based on the service request, a target transmission path of service data corresponding to the service request and a change policy corresponding to the target transmission path. The method further includes changing, according to the change policy, a current content delivery network (CDN) to a target CDN. The target CDN includes a plurality of serving nodes corresponding to the target transmission path. The method additionally includes sending an indication message to a first serving node in the target CDN to indicate the first serving node to send the service data to the terminal device through the target transmission path; or sending an indication message to a second serving node in the target CDN to indicate the second serving node to send the service data to the terminal device.
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公开(公告)号：US20200099128A1
公开(公告)日：2020-03-26
申请号：US16698442
申请日：2019-11-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanmin Yu , Chen Huang , Zihui Liu , Ming Yang , Jian Song
Abstract: This application provides a dual-polarized radiating element, an antenna, a base station, and a communications system. The dual-polarized radiating element includes: an insulated support structure with a solid structure, where the insulated support structure includes a top part, a base, and an intermediate supporting piece that connects the top part and the base; and at least two radiating arm groups conformal to the insulated support structure, and feeding mechanisms corresponding to the radiating arm groups; the feeding mechanism includes a balun and a feeding plate, one end of the balun is electrically connected to a corresponding radiating arm group, and another end of the balun is electrically connected to a ground layer; and the feeding plate is connected to an electric lead on the base of the insulated support structure.
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