Patents by Inventor Liqun Xiong
Liqun Xiong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240131702Abstract: A method for controlling a robotic arm that includes an end effector and a sensor that are mounted at an end of the robotic arm includes: obtaining, by the sensor, n gravity matrix data, wherein the n gravity matrix data are gravity matrix data of the end effector in an end coordinate system when the robotic arm is in a different poses, n?3; determining n rotation transformation matrices from a base coordinate system of the robotic arm to the end coordinate system when the robotic arm is in n different poses; calculating coordinates of a center of mass and mass of the end effector based on the n gravity matrix data and the a rotation transformation matrices; and controlling the robotic arm based on the coordinates of the center of mass and the mass.Type: ApplicationFiled: October 26, 2023Publication date: April 25, 2024Inventors: LIQUN HUANG, Xiaoyu Ren, Mingguo Zhao, Youjun Xiong
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Patent number: 11955802Abstract: This application provide a power supply device and a control method. In one example, a power supply device includes a first AC/DC unit and a second AC/DC unit. An input terminal of the first AC/DC unit and an input terminal of the second AC/DC unit are connected to an alternating current input bus. An output terminal of the first AC/DC unit is connected to a first direct current output bus. The first AC/DC unit is output stable. An output terminal of the second AC/DC unit is connected to a second direct current output bus. Power is output to a plurality of direct current output buses respectively through a plurality of AC/DC units to supply power to different loads.Type: GrantFiled: January 28, 2022Date of Patent: April 9, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xueji Zhang, Liqun Xiong, Jinli Feng
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Publication number: 20240084392Abstract: The present invention relates to the field of tumor grade detection. Specifically disclosed are a gene combination for human tumor grading, and a use thereof. The gene combination for human tumor grading consists of a gene set A and a gene fragment set B. The gene combination for human tumor grading is obtained from high-throughput sequencing data of an actual renal cancer case of the Peking University First Hospital by means of specific pairing and clustering, is derived from real data, and can be used for malignancy degree grading and prognosis prediction for renal cancer and pan-cancer.Type: ApplicationFiled: March 2, 2022Publication date: March 14, 2024Applicant: PEKING UNIVERSITY FIRST HOSPITALInventors: Gengyan XIONG, Shiming HE, Zhisong HE, Liqun ZHOU
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Patent number: 11637430Abstract: This application provides a power rectification method and apparatus, to supply power to a load by using a power supply capacity gap formed by a communications power that is at an existing network site, thereby achieving a capacity increase. The method includes: obtaining a total input current of each of three phase lines; and when it is determined that a total input current of at least one of the three phase lines is greater than a total input current threshold corresponding to the at least one phase line, adjusting a rectifier connected to the at least one phase line to reduce a total input power of the at least one phase line, so that the total input current of the at least one phase line is less than or equal to the total input current threshold corresponding to the at least one phase line.Type: GrantFiled: July 30, 2021Date of Patent: April 25, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Liqun Xiong, Liangren Fang
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Patent number: 11546844Abstract: This application discloses a power supply and a power system. A first power supply is configured to set an output voltage of the first power supply to a plurality of voltage values. A second power supply is configured to send a plurality of first parameters to the first power supply, where the first parameters are used to identify power efficiency of the second power supply. The first power supply is further configured to obtain a plurality of second parameters, which are used to identify power efficiency of the first power supply. The first power supply is further configured to determine, based on the plurality of first parameters and the plurality of second parameters, maximum power efficiency of the power system and a voltage value corresponding to the maximum power efficiency.Type: GrantFiled: September 28, 2020Date of Patent: January 3, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Liqun Xiong, Jinli Feng, Yingkun Luo, Jinfeng Li
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Publication number: 20220158458Abstract: This application provide a power supply device and a control method. In one example, a power supply device includes a first AC/DC unit and a second AC/DC unit. An input terminal of the first AC/DC unit and an input terminal of the second AC/DC unit are connected to an alternating current input bus. An output terminal of the first AC/DC unit is connected to a first direct current output bus. The first AC/DC unit is output stable. An output terminal of the second AC/DC unit is connected to a second direct current output bus. Power is output to a plurality of direct current output buses respectively through a plurality of AC/DC units to supply power to different loads.Type: ApplicationFiled: January 28, 2022Publication date: May 19, 2022Inventors: Xueji ZHANG, Liqun XIONG, Jinli FENG
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Publication number: 20210359524Abstract: This application provides a power rectification method and apparatus, to supply power to a load by using a power supply capacity gap formed by a communications power that is at an existing network site, thereby achieving a capacity increase. The method includes: obtaining a total input current of each of three phase lines; and when it is determined that a total input current of at least one of the three phase lines is greater than a total input current threshold corresponding to the at least one phase line, adjusting a rectifier connected to the at least one phase line to reduce a total input power of the at least one phase line, so that the total input current of the at least one phase line is less than or equal to the total input current threshold corresponding to the at least one phase line.Type: ApplicationFiled: July 30, 2021Publication date: November 18, 2021Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Liqun Xiong, Liangren Fang
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Publication number: 20210014783Abstract: This application discloses a power supply and a power system. A first power supply is configured to set an output voltage of the first power supply to a plurality of voltage values. A second power supply is configured to send a plurality of first parameters to the first power supply, where the first parameters are used to identify power efficiency of the second power supply. The first power supply is further configured to obtain a plurality of second parameters, which are used to identify power efficiency of the first power supply. The first power supply is further configured to determine, based on the plurality of first parameters and the plurality of second parameters, maximum power efficiency of the power system and a voltage value corresponding to the maximum power efficiency.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Inventors: Liqun Xiong, Jinli Feng, Yingkun Luo, Jinfeng Li
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Patent number: 9295031Abstract: Embodiments of the present invention provide a method, an apparatus, and a base station subsystem for paging a terminal in a multi-band network. The method includes: obtaining a frequency band support capability of the terminal, where the frequency band support capability is information about one or multiple frequency bands supported by the terminal; if the terminal supports multiple frequency bands, obtaining a corresponding frequency band for the terminal according to the preset rule; and page the terminal on the obtained corresponding frequency band. In the embodiments of the present invention, the base station subsystem, according to the rule, can determine a redirected frequency band for a multi-band terminal and accurately page the multi-band terminal on the redirected frequency band, thereby the consumption of network capacity is reduced.Type: GrantFiled: August 23, 2013Date of Patent: March 22, 2016Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guang Yang, Liqun Xiong
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Patent number: 8923923Abstract: Embodiments of the present disclosure provide a multi-frequency band antenna feeder sharing method and a base station radio frequency unit. The method includes: receiving a signal of a frequency band 1 and a signal of a frequency band 2 through an antenna feeder, transmitting the signals to a band-pass filter and filtering the signals so as to obtain the signal of the frequency band 2, and transmitting the signal of the frequency band 2 to a third radio frequency port through a combiner port; and/or, sending the signal of the frequency band 2 to the combiner port through the third radio frequency port, transmitting the signal of the frequency band 2 that has passed through the band-pass filter to the port of the first radio frequency channel, and sending out the signal of the frequency band 2, together with the signal of the frequency band 1.Type: GrantFiled: February 22, 2013Date of Patent: December 30, 2014Assignee: Huawei Technologies Co., Ltd.Inventors: Liqun Xiong, Dong Zhao, Bin Li
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Publication number: 20130337851Abstract: Embodiments of the present invention provide a method, an apparatus, and a base station subsystem for paging a terminal in a multi-band network. The method includes: obtaining a frequency band support capability of the terminal, where the frequency band support capability is information about one or multiple frequency bands supported by the terminal; if the terminal supports multiple frequency bands, obtaining a corresponding frequency band for the terminal according to the preset rule; and page the terminal on the obtained corresponding frequency band. In the embodiments of the present invention, the base station subsystem, according to the rule, can determine a redirected frequency band for a multi-band terminal and accurately page the multi-band terminal on the redirected frequency band, thereby the consumption of network capacity is reduced.Type: ApplicationFiled: August 23, 2013Publication date: December 19, 2013Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guang Yang, Liqun Xiong
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Publication number: 20130288688Abstract: Embodiments of the present invention provide a cell handover method, equipment, and system. The method includes: receiving, by a network equipment, a cell handover request sent by a source base station, where the handover request includes information of the source base station and information of a terminal requiring handover; querying, by the network equipment, a triplet including correspondence between the information of the source base station, the information of the terminal, and information of a target Femto-cell base station, to obtain the information of the target Femto-cell base station corresponding to the information of the terminal requiring the handover; and instructing, by the network equipment, the target Femto-cell base station to prepare resources for handover, and sending a handover command to the terminal requiring the handover, so that the terminal is handed over to the corresponding target Femto-cell base station.Type: ApplicationFiled: June 25, 2013Publication date: October 31, 2013Inventors: Liqun Xiong, Jiagang Ji
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Publication number: 20120316106Abstract: Improved antibiotic analogs, and synergistic combinations of antibiotics designed based on structural crystallographic analysis, are provided as well as pharmaceutical compositions that include these improved analogs and synergistic combinations, along with methods for their production and use. The synergistic combinations target neighboring sites in the ribosome demonstrating the importance of the corresponding ribosomal sites for development of clinically-relevant synergistic antibiotics.Type: ApplicationFiled: December 29, 2010Publication date: December 13, 2012Applicant: YEDA RESEARCH AND DEVELOPMENT CO. LTD.Inventors: Ada Yonath, Chen Davidovich, Ella Zimmerman, Anat Bashan, Tamar Auerbach, Matthew Belousoff, Liqun Xiong, Dorota Klepacki, Alexander S. Mankin
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Publication number: 20110075637Abstract: The present invention provides a method and apparatus for processing a pseudo pilot signal. The method includes: transmitting a data service carrier signal on a first frequency in a first cell to a mobile station (MS); and transmitting a pseudo pilot signal corresponding to a voice service carrier signal on a first frequency in a second cell in at least one timeslot of the timeslots for transmitting the data service carrier signal.Type: ApplicationFiled: September 24, 2010Publication date: March 31, 2011Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lichang WU, Bo Xie, Liqun Xiong