Patents by Inventor Lei Dong
Lei Dong 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: 20250240080Abstract: This disclosure provides a communication system comprising a first branch and a second branch. The first branch includes a transmit chain and a reference chain. The transmit chain includes a DPD, a DAC, a frequency mixer, a power amplifier (PA), a circulator, a filter, and a first antenna array that are sequentially connected. The second branch includes a receive chain comprising a second antenna array, a low noise amplifier, a frequency mixer, and an ADC that are sequentially connected. In an SBFD slot, the transmit chain is configured to perform downlink radio frequency transmission on a baseband signal; the receive chain is configured to perform uplink radio frequency transmission on a radio signal; and the reference chain collects a radio frequency signal output by the PA, uses the radio frequency signal as a reference signal, and performs linear cancellation processing on a received signal output by the receive chain.Type: ApplicationFiled: April 8, 2025Publication date: July 24, 2025Inventors: Lei DONG, Hao TANG, Liqing ZHANG, Jianglei MA
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Publication number: 20250230078Abstract: A catalytic oxidation reactor and a complete set of equipment are provided for water purification, the catalytic oxidation reactor includes a container, a reagent storage and delivery assembly and an ultraviolet lamp tube, the ultraviolet lamp tube is disposed in the container, and an annular gap cavity is defined between an inner wall of the container and an outer wall of the ultraviolet lamp tube; an outlet of the reagent storage and delivery assembly is disposed in the annular gap cavity, and the reagent storage and delivery assembly is configured to deliver the at least one oxidant to the annular gap cavity. Under the influence of ultraviolet photocatalysis, active free radicals are generated. Both the oxidant and these active free radicals flow out through multiple micro-holes situated on the sidewall of the container into a water body, serving to purify and disinfect it effectively.Type: ApplicationFiled: January 6, 2025Publication date: July 17, 2025Inventors: Xin Zhang, Lei Dong, He Cui, Yinguang Chen, Zheyu Gu, Keyang Wang, Yuwei She
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Publication number: 20250227526Abstract: A first communication apparatus measures a measurement signal to obtain a measurement result; and the first communication apparatus sends the measurement result and measurement time information to a second communication apparatus, where the measurement time information indicates a measurement time point or a measurement time window at which the first communication apparatus performs the measurement. In this manner, the first communication apparatus may report the measurement time information of the measurement result. Therefore, the measurement time information of the measurement result is provided.Type: ApplicationFiled: March 26, 2025Publication date: July 10, 2025Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Dong, Hao Tang, Liqing Zhang, Jianglei Ma
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Publication number: 20250227513Abstract: A first apparatus obtains first data; and the first apparatus may further determine, based on first diversity information, whether to send the first data. The first diversity information is determined based on the first data and a set of second data, and the second data includes historical data sent by the first apparatus and/or data indicated by a second apparatus. For example, the first data is training data. The first apparatus may determine the first diversity information based on the first data, and historically sent training data and/or specified training data, and determine, based on the first diversity information, whether to send the first data. In some embodiments, the first apparatus does not need to send all training data.Type: ApplicationFiled: March 28, 2025Publication date: July 10, 2025Inventors: Lei Dong, Hao Tang, Liqing Zhang, Jianglei Ma
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Patent number: 12330229Abstract: The present disclosure provides a suspended-type spot welding device convenient for welding and assembling of various vehicle models, falling within the technical field of welding. A suspension frame, a rotation piece, a spot welding machine body, a first electrode holder and a second electrode holder are included. According to the present disclosure, by approaching a welding seam with a camera, a position of the welding seam is displayed by a display. Under the action of a balancing weight, a position of the display is always kept above, which is convenient for workers to know the position of the welding seam through the display at any time and avoids the display from moving with a spot welding machine body, thus facilitating the workers to weld the welding seam.Type: GrantFiled: January 13, 2025Date of Patent: June 17, 2025Assignee: Jilin UniversityInventors: Zhenglei Yu, Lixin Chen, Yiwen Zhang, Zezhou Xu, Shan Jiang, Long Ma, Lei Dong, Delong Gao, Linsen Song, Shouxin Ruan, Xin Li, Lidong Gu, Jing Jiao, Hongbo Liu
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Publication number: 20250191284Abstract: This invention discloses a wave field reconstruction method via optical perception, including: (1) building a data platform for a virtual wave field; (2) pre-training a domain converter module using color image data of the virtual wave field and real water surface image data captured by a camera; (3) pre-training a depth estimation module using generated paired color image data and depth image data of the virtual wave field; (4) converting the style of a real water surface image into a virtual-water-surface-style image via the domain converter module; (5) outputting the virtual-water-surface-style image as a depth image with the same style and recording the distance between a wave surface sampling point and the camera's optical center; and (6) generating surface point cloud data of a water surface wave field with the camera's optical center as the coordinate origin. The method enables real-time, robust wave field depth reconstruction, ensuring reliability and authenticity.Type: ApplicationFiled: February 17, 2025Publication date: June 12, 2025Applicant: SHANGHAI JIAO TONG UNIVERSITYInventors: Hongdong WANG, Xinde YANG, Lei DONG
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Publication number: 20250193925Abstract: A first terminal determines a first resource used to send a sensing signal; and sends the sensing signal to at least one second terminal by using the first resource, sends the sensing signal to both a network device and the at least one second terminal by using the first resource, or separately sends sensing signals to the at least one second terminal and the network device by using the first resource and a second resource, where the second resource is a resource used to send the sensing signal, and the first resource and/or the second resource are/is some resource units in a first resource set, where the first resource set includes resources used to send uplink information.Type: ApplicationFiled: February 21, 2025Publication date: June 12, 2025Inventors: Lei DONG, Hao TANG, Dongdong WEI
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Patent number: 12311478Abstract: Disclosed is an anti-skip and wear-resistant automatic positioning tool for welding production line based on digital twinning. Insertion holes are uniformly disposed on a base plate, and the insertion holes serve to be inserted with support columns. Flat plates are fixedly connected to telescopic air cylinders. Telescopic pulling columns are hinged to upper ends of the support columns. Tabletop cleaning components are mounted on the base plate. In the present disclosure, welding slag adhered to surfaces of clamping plates can be effectively removed, preventing issues when clamping the next welding vehicle body. This avoids minor scratches or dents on a surface of the vehicle body caused by pressure from particles of the welding slag, ensuring that the welding process is not affected by the presence of welding slag.Type: GrantFiled: September 12, 2024Date of Patent: May 27, 2025Assignee: Jilin UniversityInventors: Zhenglei Yu, Delong Gao, Yiwen Zhang, Long Ma, Lidong Gu, Lei Dong, Shouxin Ruan, Xin Li, Zezhou Xu, Yunting Guo, Linsen Song, Jing Jiao
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Publication number: 20250142369Abstract: This application provides a communication method and apparatus. The method includes: A terminal device obtains first configuration information, where the first configuration information includes one or more of the following: a type of first information, a quantization granularity of the first information, a feedback resource of the first information, a feedback periodicity of the first information, a measurement resource corresponding to the first information, a reference signal corresponding to the first information, and a mapping relationship between the reference signal corresponding to the first information and the measurement resource corresponding to the first information. The terminal device sends the first information to a network device based on the first configuration information, where the first information is used to assist an artificial intelligence (AI) model of the network device. The network device assists the AI model of the network device based on the first information.Type: ApplicationFiled: December 31, 2024Publication date: May 1, 2025Inventors: Hao Tang, Lei Dong, Liqing Zhang
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Patent number: 12286371Abstract: An emergency treatment device for algal blooms in reservoir tributaries and bays includes a hull, an automatic detection unit provided on the hull, an algae collection-separation unit, an ultrasonic algae removal unit, a micro-current electrolytic algae suppression unit, an algaecide adding unit, a power unit and a control unit. The automatic detection unit, the algae collection-separation unit, the ultrasonic algae removal unit, the micro-current electrolytic algae suppression unit, the algaecide adding unit and the power unit are connected with the control unit. The algae collection-separation unit is used for suction and ex-situ treatment of high-density algae on a surface of the water body. The ultrasonic algae removal unit, the micro-current electrolytic algae suppression unit and the algaecide adding unit are used for in-situ treatment of algae in the water body.Type: GrantFiled: May 31, 2022Date of Patent: April 29, 2025Assignee: Changjiang River Scientific Research InstituteInventors: Li Lin, Zhigui Sha, Qingyun Li, Xianqiang Tang, Wei Zhang, Liangyuan Zhao, Zhenhua Wang, Meng Long, Lei Dong, Xiaohuan Cao, Huan Li
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Publication number: 20250121462Abstract: Disclosed is an anti-skip and wear-resistant automatic positioning tool for welding production line based on digital twinning. Insertion holes are uniformly disposed on a base plate, and the insertion holes serve to be inserted with support columns. Flat plates are fixedly connected to telescopic air cylinders. Telescopic pulling columns are hinged to upper ends of the support columns. Tabletop cleaning components are mounted on the base plate. In the present disclosure, welding slag adhered to surfaces of clamping plates can be effectively removed, preventing issues when clamping the next welding vehicle body. This avoids minor scratches or dents on a surface of the vehicle body caused by pressure from particles of the welding slag, ensuring that the welding process is not affected by the presence of welding slag.Type: ApplicationFiled: September 12, 2024Publication date: April 17, 2025Inventors: Zhenglei Yu, Delong Gao, Yiwen Zhang, Long Ma, Lidong Gu, Lei Dong, Shouxin Ruan, Xin Li, Zezhou Xu, Yunting Guo, Linsen Song, Jing Jiao
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Patent number: 12279292Abstract: This application discloses a resource scheduling method, an apparatus, and a system, to provide a resource scheduling manner based on sidelink transmission. The method includes: A scheduling terminal device determines a resource for a sending terminal device to perform sidelink (sidelink) transmission; and the scheduling terminal device sends a first message to the sending terminal device, where the first message is used to indicate the transmission resource, where the resource is specifically used to perform a part or all of the following: transmission of data information, transmission of control information, and transmission of feedback information. A manner in which the scheduling terminal device determines, for the sending terminal device, the transmission resource for data transmission is provided, and is an enriched and complete sidelink-based resource configuration manner.Type: GrantFiled: June 30, 2022Date of Patent: April 15, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Dong, Lei Lu
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Patent number: 12267811Abstract: A communications method is described that includes a first terminal apparatus determining control information, where the control information includes a first field, and a value of the first field is used to indicate a quantity of first frequency domain units, a first start frequency domain unit index, and a second start frequency domain unit index; and the quantity of first frequency domain units is a quantity of frequency domain units included in a first data channel, a second data channel, or a third data channel, the first start frequency domain unit index is a start frequency domain unit index of the second data channel, and the second start frequency domain unit index is a start frequency domain unit index of the third data channel. The first terminal apparatus sends the control information and the first data channel to a second terminal apparatus in a first time unit.Type: GrantFiled: August 11, 2022Date of Patent: April 1, 2025Assignee: Huawei Technologies Co., Ltd.Inventors: Lei Dong, Lei Lu
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Patent number: 12262351Abstract: This application relates to a resource selection method and an apparatus. A first resource is selected for first data from candidate resources in a resource pool. At least one resource is selected for the first data from the candidate resources other than the first resource based on the first resource and a first gap. A quantity of candidate resources is greater than or equal to X % of a quantity of all resources in the resource pool, where a value of X may be set based on a target quantity of resources, based on a target quantity of resources and a first time gap, based on a target quantity of resources, a first time gap, and a first frequency gap, or based on a service priority. The value of X may be set based on different factors, to meet a resource selection requirement.Type: GrantFiled: May 6, 2022Date of Patent: March 25, 2025Assignee: Huawei Technologies Co., Ltd.Inventors: Lei Dong, Lei Lu
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Publication number: 20250097950Abstract: A communication method and apparatus are provided. The method includes: receiving first indication information from a network device, where the first indication information indicates a first dimension; receiving a downlink reference signal from the network device, where the downlink reference signal is determined based on the first dimension and an uplink reference signal; and determining channel information based on the downlink reference signal. In the method, the network device and a terminal device each bear a part of a calculation amount and a part of calculation complexity. Therefore, a calculation amount and calculation complexity of channel estimation independently performed by the network device or the terminal device can be reduced, a system latency can be further shortened, and a throughput of a communication system can be improved.Type: ApplicationFiled: November 29, 2024Publication date: March 20, 2025Inventors: Xiaoyan BI, Yong LIU, Chenglong JIANG, Lei DONG, Lei LIU
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Publication number: 20250093320Abstract: The present application provides a method for estimating abundance and distribution features of antibiotic resistance genes (ARGs) in surfacial sediments of lake and reservoir, including step 1 of obtaining an annual input total of nitrogen and phosphorus pollutants of each tributary flowing into the lake and reservoir; step 2 of constructing a linear regression equation between the abundance of each type of ARGs and the nitrogen and phosphorus discharge; and step 3 of calculating annual input total of nitrogen and phosphorus pollutants to be estimated for each geographical location of the lake and reservoir using inverse distance weighting interpolation analysis based on the annual input total of the nitrogen and phosphorus pollutants obtained in step 1, and substituting the calculated annual input total into the linear regression equation to estimate the abundance of each type of ARGs and analyze a distribution feature of the ARGs.Type: ApplicationFiled: December 28, 2022Publication date: March 20, 2025Applicant: CHANGJIANG RIVER SCIENTIFIC RESEARCH INSTITUTEInventors: Li LIN, Xiong PAN, Lei DONG, Huan LI
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Publication number: 20250088302Abstract: The disclosure includes a terminal device determining first information. The terminal device sends the first information and second information to a network device, where the second information is used to determine at least one of a modulation scheme of the first information or a code rate of the first information. The network device receives the first information and the second information that are sent by the terminal device. The network device decodes the first information based on the second information.Type: ApplicationFiled: November 22, 2024Publication date: March 13, 2025Inventors: Lei DONG, Hao TANG, Liqing ZHANG
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Publication number: 20250081021Abstract: This application provides a channel measurement method and apparatus. The method includes: A terminal device obtains a first reference signal set and a second reference signal set, where the first reference signal set includes N first reference signals, the second reference signal set includes M second reference signals, and M and N are positive integers greater than or equal to 1. The terminal device may further perform channel measurement based on the first reference signal set to obtain first channel information, where a first dimension of the first channel information is less than a quantity of transmit antennas of a first device. The terminal device may further obtain second channel information based on the second reference signal set and the first channel information, where a first dimension of the second channel information is less than the quantity of transmit antennas of the first device.Type: ApplicationFiled: November 15, 2024Publication date: March 6, 2025Inventors: Xiaoyan BI, Yong LIU, Mohammadhadi BALIGH, Chenglong JIANG, Lei LIU, Lei DONG
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Publication number: 20250055542Abstract: Embodiments of this application provide a channel measurement method and a communication apparatus. The method includes: A first apparatus receives K signals, where the K signals correspond to K ports. The first apparatus measures the K signals to obtain measurement results, where the measurement results are used to determine channel state information corresponding to R ports, R is greater than K, and K is greater than or equal to 1. According to solutions provided in embodiments of this application, resource overheads for channel measurement can be reduced.Type: ApplicationFiled: October 29, 2024Publication date: February 13, 2025Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Dong, Xiaoyan Bi, Yong Liu, Xiaojun Xi
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Patent number: 12202680Abstract: Disclosed is a clamping device having an automatic direction adjustment function in a vehicle body welding conveying line, including a conveying frame. A driving motor is fixedly connected to a side wall of the conveying frame, and an output shaft end of the driving motor is fixedly connected to a rotating shaft I. The present disclosure facilitates the adjustment of a direction when vehicle bodies to be welded are conveyed on a turning conveying line, and vehicle bodies being conveyed can be corrected to the same horizontal state, to avoid a situation where the clamping device on the conveying line cannot smoothly clamp inclined vehicle bodies for conveying because the vehicle bodies cannot be in the same horizontal plane when being put in.Type: GrantFiled: September 13, 2024Date of Patent: January 21, 2025Assignee: Jilin UniversityInventors: Zhenglei Yu, Bo Liu, Yiwen Zhang, Long Ma, Lidong Gu, Lei Dong, Shouxin Ruan, Xin Li, Zezhou Xu, Yunting Guo, Linsen Song, Jingru Liu, Zhouyuan Liu