Patents by Inventor Rui Lv
Rui Lv 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: 20240187065Abstract: A communication method includes: A first device receives a plurality of NDPs from a second device, where one of the plurality of NDPs corresponds to one piece of CSI; and when a first condition is met, the first device sends first information to a third device, where the first information indicates that a CSI change degree exceeds a first threshold; and the first condition includes any one of the following: a first CSI change degree in a plurality of CSI change degrees of the first device exceeds the first threshold, and a ratio of a quantity of CSI change degrees that exceed the first threshold in the plurality of CSI change degrees to the plurality of CSI change degrees is greater than a second threshold, where the plurality of CSI change degrees are determined based on pieces of CSI corresponding to the plurality of NDPs.Type: ApplicationFiled: February 9, 2024Publication date: June 6, 2024Inventors: Mengshi HU, Xiao HAN, Rui DU, Yi LV, Xun YANG, Chenchen LIU
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Patent number: 11996917Abstract: The present disclosure relates to precoding matrix determining methods, devices, and systems. In one example method, a receive end device obtains channel state information (CSI) of a first channel and information about P antenna port groups of a transmit end device. The receive end device determines V orbital angular momentum (OAM) mode groups based on the CSI of the first channel and first OAM modes, determines a first precoding matrix based on the P antenna port groups of the transmit end device and the V OAM mode groups, and sends, to the transmit end device, first indication information indicating the first precoding matrix. The transmit end device receives the first indication information, and determines the first precoding matrix based on the first indication information.Type: GrantFiled: May 13, 2022Date of Patent: May 28, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Qian Zhu, Yi Lv, Rui Ni
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Patent number: 11993370Abstract: A coaxial tilt-rotor unmanned aerial vehicle (CTRUAV) and a control method thereof. The CTRUAV includes three rotor modules, five rotors with motors and a control system. The three rotor modules are in an inverted triangle layout. The left and right coaxial tiltable rotor modules in the front of the CTRUAV can rotate around the plane of a fuselage. A rear rotor is installed on the rear fixed-axis rotor module. Two pairs of coaxial rotors are respectively installed on the left and right coaxial tiltable rotor modules. The left and right coaxial tiltable rotor modules include an upper rotor and a lower rotor respectively; the upper rotor and the lower rotor have opposite rotation directions and the same rotation speed during the flight. In the two pairs of coaxial rotors, the rotors on the same layers have opposite rotation directions, and the rotors on different layers have the same rotation directions.Type: GrantFiled: May 13, 2020Date of Patent: May 28, 2024Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Yuhu Wu, Zongyang Lv, Ximing Sun, Xiangyu Shen, Rui Wang
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Method, device, apparatus, and medium for training recognition model and recognizing fundus features
Patent number: 11967071Abstract: The present disclosure provides a method, device, computer apparatus, and storage medium for training recognition model and recognizing fundus features. The method includes: obtaining a color fundus image sample associated with a label value, inputting the color fundus image sample into a preset recognition model containing initial parameters; extracting a red channel image; inputting the red channel image into the first convolutional neural network to obtain a first recognition result and a feature image of the red channel image; combining the color fundus image sample with the feature image to generate a combined image, and inputting the combined image into the second convolutional neural network to obtain a second recognition result; obtaining a total loss value through a loss function, and when the total loss value is less than or equal to a preset loss threshold, ending the training of the preset recognition model.Type: GrantFiled: November 11, 2019Date of Patent: April 23, 2024Assignee: PING AN TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Rui Wang, Junhuan Zhao, Lilong Wang, Yuanzhi Yuan, Chuanfeng Lv -
Patent number: 11967918Abstract: The present application provides a method and device for controlling a generator-side terminal voltage of a converter, and a controller of the converter. The method includes: determining an upper limit of the generator-side terminal voltage based on a present voltage value of a direct-current (DC) bus of the converter, where the generator-side terminal voltage is a voltage of an output terminal of a generator, and the output terminal is connected to the converter; determining an optimal value of the generator-side terminal voltage that minimizes a present value of a generator-side current, where the generator-side current is a current of the output terminal of the generator; setting a target value of the generator-side terminal voltage based on the upper limit and the optimal value of the generator-side terminal voltage. The target value includes a control reference value of the generator-side terminal voltage.Type: GrantFiled: May 26, 2020Date of Patent: April 23, 2024Assignee: GOLDWIND SCIENCE & TECHNOLOGY CO., LTD.Inventors: Jinpeng Wang, Rui Guo, Liangnian Lv
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Publication number: 20240119110Abstract: A method for generating a computation flow graph scheduling scheme includes grouping original vertexes in an original computation flow graph, so as to obtain first computation flow graphs; determining the number N of computing units required to process a single batch of computation data in parallel; copying N first computation flow graphs, so as to obtain second computation flow graphs; adding auxiliary vertexes to the second computation flow graphs, so as to obtain third computation flow graphs; constructing integer linear programming according to the third computation flow graphs; and solving the integer linear programming, so as to obtain a scheduling scheme for the third computation flow graphs. The method converts an original computation flow graph into third computation flow graphs and integer linear programming is constructed to obtain a scheduling scheme.Type: ApplicationFiled: November 30, 2023Publication date: April 11, 2024Applicant: Beijing Stream Computing Inc.Inventors: Rui Cao, Wenyuan Lv, Xiaoqiang Dan, Lei Liu
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Publication number: 20240121306Abstract: This application provides a feedback indication method and apparatus, to more comprehensively indicate a feedback, so as to improve applicability of a sensing technology in a scenario of a plurality of devices and a plurality of interactions. The method and the apparatus may be applied to a communication system. The method includes: A first device generates a first frame, and sends the first frame. The first frame includes first information, and the first information indicates a feedback type of a first feedback and/or a feedback type of a second feedback. The first feedback and the second feedback are feedbacks at different levels.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Mengshi HU, Xiao HAN, Rui DU, Jian YU, Chenchen LIU, Yi LV, Xun YANG
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Publication number: 20240120977Abstract: This application relates to communication methods and apparatuses. In an example method, a first communication apparatus generates first indication information, and sends the first indication information to a second communication apparatus. The first indication information indicates M orbital angular momentum (OAM) modes jointly supported by the first communication apparatus and the second communication apparatus, where there is a correspondence between N OAM modes in the M OAM modes and a demodulation reference signal (DMRS) port.Type: ApplicationFiled: December 14, 2023Publication date: April 11, 2024Inventors: Qian ZHU, Xiaoyan BI, Rui NI, Yi LV
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Publication number: 20240113758Abstract: The present disclosure relates to feedback methods and apparatuses. In one example method, a first communication apparatus may receive first information. The first information includes at least one of channel state information (CSI) measurement quantity indication information for channel variation calculation, a CSI type and a rule that are for the channel variation calculation, or a feedback suggestion parameter. The feedback suggestion parameter indicates a suggested feedback form. The first information is used to select a second communication apparatus. The first communication apparatus may determine, based on the first information, whether to trigger the second communication apparatus/apparatuses to send a feedback result. Correspondingly, the first communication apparatus receives the feedback result.Type: ApplicationFiled: December 8, 2023Publication date: April 4, 2024Inventors: Mengshi HU, Xiao HAN, Chenchen LIU, Rui DU, Yunbo LI, Yi LV, Xun YANG
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Patent number: 11934070Abstract: Disclosed is a display panel including: first spacer on the array substrate, an orthographic projection of the first spacer on the array substrate being a first pattern extending along a first direction; a second spacer on the counter substrate, an orthographic projection of the second spacer on the array substrate being a second pattern extending along a second direction; at least two third spacers, orthographic projections of which on the array substrate being respectively on two sides of the first pattern along the first direction; at least two fourth spacers, orthographic projections of which on the array substrate being respectively on two sides of the second pattern along the second direction; one of the third spacer and the fourth spacer is on the array substrate, and the other is on the counter substrate.Type: GrantFiled: October 23, 2020Date of Patent: March 19, 2024Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Quan Gan, Ya Yu, Feng Qu, Yongcan Wang, Fengzhen Lv, Xianjie Shao, Rui Ma
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Publication number: 20230414571Abstract: The present invention provides an application of a small-molecule compound in preparation of an antitumor drug. A series of small-molecule drugs with high brain tumor growth activity inhibitory properties are obtained, are docked to pharmacodynamic analysis of the small-molecule drugs, and do not need to be transferred to other testing platforms.Type: ApplicationFiled: September 14, 2023Publication date: December 28, 2023Applicant: SOOCHOW UNIVERSITYInventors: Jian LIU, Rui SHI, Peichen PAN, Rui LV, Zhenhui KANG, Tingjun HOU
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Patent number: 11088555Abstract: An electric vehicle automatic charging system includes an electric vehicle including a receiving cavity with an opening and a shutter for closing the opening, a battery assembly receiving in the receiving cavity and a charging device. The battery assembly includes a battery pack including an electrode connecting member and a movable bracket including a magnetic member. The charging device includes a support table, a support plate, an electromagnetic fitting member being capable of generating a magnetic force for attracting the magnetic member, and a charger. When the shutter comes into contact with the support plate, the shutter changes from a closed state to an open state, the movable bracket drives the battery pack to move away from the receiving cavity along the support plate by the magnetic force until the electrode connecting member is electrically connected to the charger. An electric vehicle automatic charging method is also provided.Type: GrantFiled: February 19, 2019Date of Patent: August 10, 2021Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Eddy Liu, Wei-Da Yang, Li-Quan Zhang, Rui-Rui Lv, Zhi-Jun Peng
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Publication number: 20200067329Abstract: An electric vehicle automatic charging system includes an electric vehicle including a receiving cavity with an opening and a shutter for closing the opening, a battery assembly receiving in the receiving cavity and a charging device. The battery assembly includes a battery pack including an electrode connecting member and a movable bracket including a magnetic member. The charging device includes a support table, a support plate, an electromagnetic fitting member being capable of generating a magnetic force for attracting the magnetic member, and a charger. When the shutter comes into contact with the support plate, the shutter changes from a closed state to an open state, the movable bracket drives the battery pack to move away from the receiving cavity along the support plate by the magnetic force until the electrode connecting member is electrically connected to the charger. An electric vehicle automatic charging method is also provided.Type: ApplicationFiled: February 19, 2019Publication date: February 27, 2020Inventors: EDDY LIU, WEI-DA YANG, LI-QUAN ZHANG, RUI-RUI LV, ZHI-JUN PENG
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Patent number: 10305272Abstract: An apparatus for detecting disconnection of a secondary side of a current transformer includes a sampling circuit coupled to the secondary side of the current transformer that samples signals from the secondary side of the current transformer. A pull-up circuit is switchably coupled to the sampling circuit in response to a coupling signal in a diagnostic phase. A processor is coupled to the sampling circuit for receiving sampled signals from the sampling circuit. The processor extracts corresponding signal information from the sampled signals and stores the extracted signal information in a memory. The extracted signal information corresponds to statuses that the secondary side of the current transformer is connected or disconnected to a load. A detector is coupled to the processor and the memory, and accesses the memory using the signal information of the sampled signals.Type: GrantFiled: March 20, 2017Date of Patent: May 28, 2019Assignee: NXP USA, INC.Inventors: Changhao Shi, Rui Lv, Dechang Wang
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Publication number: 20180261999Abstract: An apparatus for detecting disconnection of a secondary side of a current transformer includes a sampling circuit coupled to the secondary side of the current transformer that samples signals from the secondary side of the current transformer. A pull-up circuit is switchably coupled to the sampling circuit in response to a coupling signal in a diagnostic phase. A processor is coupled to the sampling circuit for receiving sampled signals from the sampling circuit. The processor extracts corresponding signal information from the sampled signals and stores the extracted signal information in a memory. The extracted signal information corresponds to statuses that the secondary side of the current transformer is connected or disconnected to a load. A detector is coupled to the processor and the memory, and accesses the memory using the signal information of the sampled signals.Type: ApplicationFiled: March 20, 2017Publication date: September 13, 2018Inventors: CHANGHAO SHI, RUI LV, DECHANG WANG
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Patent number: 9860083Abstract: The present invention discloses a channel estimation method, apparatus, and device and a multichannel microwave communications system. According to the channel estimation method, a first vector group corresponding to a transmit end and a second vector group corresponding to a receive end are first obtained according to a transmit-receive array size; then a subchannel estimation procedure is performed multiple times according to the transmit-receive array size, the first vector group, and the second vector group, to obtain multiple corresponding subchannel estimated coefficients; and finally, a real channel matrix is determined according to the first vector group, the second vector group, and an estimation matrix consisting of the multiple subchannel estimated coefficients.Type: GrantFiled: April 29, 2016Date of Patent: January 2, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Rui Lv
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Patent number: 9647333Abstract: Embodiments of the present invention relate to the communication field and provide an array antenna. The array antenna includes: an antenna body, which is a multi-beam antenna, a single-beam antenna without grating lobes, or a single-beam antenna with grating lobes and transmits or receives a beam set by centering on the antenna body, where the beam set includes at least one beam; a planar reflection board, configured to reflect the beam set transmitted or received by the antenna body; and an adjusting unit, connected to the antenna body and/or the planar reflection board, and configured to adjust a relative position between the planar reflection board and the beam set of the antenna body so that the beam set of the antenna body can be transmitted or received in any direction after being reflected by the planar reflection board.Type: GrantFiled: June 2, 2015Date of Patent: May 9, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Rui Lv, Meng Cai
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Publication number: 20160248604Abstract: The present invention discloses a channel estimation method, apparatus, and device and a multichannel microwave communications system. According to the channel estimation method, a first vector group corresponding to a transmit end and a second vector group corresponding to a receive end are first obtained according to a transmit-receive array size; then a subchannel estimation procedure is performed multiple times according to the transmit-receive array size, the first vector group, and the second vector group, to obtain multiple corresponding subchannel estimated coefficients; and finally, a real channel matrix is determined according to the first vector group, the second vector group, and an estimation matrix consisting of the multiple subchannel estimated coefficients.Type: ApplicationFiled: April 29, 2016Publication date: August 25, 2016Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Rui LV
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Publication number: 20160174090Abstract: A delay estimation method for a multiple input multiple output communications system, includes: calculating, by a receiver, a channel response matrix of a Multiple input multiple output MIMO communications system, where there are n transmit channels and m receive channels in the MIMO communications system, n?2, m?2, and the channel response matrix includes channel responses of n*m sub-channels; calculating, by the receiver, an integer delay, relative to a reference sub-channel, of each of the n*m sub-channels according to the channel response matrix, where the reference sub-channel is any sub-channel in the n*m sub-channels; calculating, by the receiver, fraction delays of the n*m sub-channels according to the channel response matrix; and separating out, by the receiver, delays of the m receive channels according to delays of the n*m sub-channels.Type: ApplicationFiled: February 19, 2016Publication date: June 16, 2016Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Rui LV
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Patent number: 9210025Abstract: The present invention discloses a method for correcting an IQ signal. includes: saving an I signal of a last frame and a Q signal of the last frame that are output by a receiving front end; eliminating a direct-current offset of an I signal of a current frame and a direct-current offset of a Q signal of the current frame according to the I signal of the last frame and the Q signal of the last frame; and geometrically correcting an I signal of the current frame after direct-current offset elimination and a Q signal of the current frame after direct-current offset elimination according to an I signal of the last frame after direct-current offset elimination and a Q signal of the last frame after direct-current offset elimination to obtain a corrected I signal of the current frame and a corrected Q signal of the current frame.Type: GrantFiled: May 15, 2014Date of Patent: December 8, 2015Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Rui Lv