Patents by Inventor Chen Zheng
Chen Zheng 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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Patent number: 11368264Abstract: Embodiments of this application relate to communication technologies and provide a method for transmitting or retransmitting data in a transport block. The transport block includes one or more code block groups, and each code block group includes one or more code blocks. A data processing device determines a code block group in the transport block that needs to be transmitted. Each code block in the code block group is processed by the data processing device to obtain a bit sequence. The data processing device transmits one or more bit sequences obtained by processing one or more code blocks in the code block group. The method and the apparatus provided in this application help reduce waste of air interface resources.Type: GrantFiled: May 12, 2020Date of Patent: June 21, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Ma, Chen Zheng, Xin Zeng, Yuejun Wei
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Patent number: 11333691Abstract: According to some aspects of the present disclosure, power modules having current sensing circuits, and corresponding sensing methods, are disclosed. Example power modules include a printed circuit board (PCB) having a PCB trace, a first sense terminal coupled to the PCB trace at a first location, and a second sense terminal coupled to the PCB trace at a second location such that a resistance between the first and second sense terminals is defined by a resistance of the PCB trace between the first location and the second location. The power module further comprises a control coupled to the first sense terminal and the second sense terminal, the control adapted to measure a voltage between the first sense terminal and the second sense terminal and determine a current through the PCB trace based on the measured voltage and the resistance between the first sense terminal and the second sense terminal.Type: GrantFiled: November 19, 2020Date of Patent: May 17, 2022Assignee: Astec International LimitedInventors: Mao Xi Xiang, Jian Feng Lv, Chen Chen Zheng, Qian Feng
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Patent number: 11302000Abstract: Disclosed are systems, devices, and methods for detecting characteristics of an unhatched egg. A set of images of an unhatched egg are obtained, where each of the spectral images is obtained in a particular wavelength range. The set of images is processed to extract image features, where the image features includes an image texture feature. The extracted image features are processed to classify the unhatched egg according to at least one characteristic. The at least one characteristic may include fertility and/or gender.Type: GrantFiled: June 5, 2020Date of Patent: April 12, 2022Assignee: MATRIXSPEC SOLUTIONS INC.Inventors: Michael Ngadi, Li Liu, Chen Zheng
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Patent number: 11239957Abstract: This application provides a data processing method and a data processing apparatus. The data processing method includes: determining C code blocks, where C is a positive integer; and dividing the C code blocks into K code block groups, where an absolute value ?C of a difference between quantities of code blocks included in any two of the K code block groups is less than or equal to a first threshold, and K is a positive integer. The data processing method and the data processing apparatus provided in this application help lower a bit error rate.Type: GrantFiled: October 28, 2019Date of Patent: February 1, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Ma, Chen Zheng, Xiaojian Liu, Yuejun Wei
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Patent number: 11211952Abstract: The present disclosure relates 10 encoding methods, communication methods and apparatus. In one example method, a first information sequence is encoded by using a first matrix to obtain a second information sequence, where the first matrix meets a function related to a lifting factor and an element in Emax(H). The second information sequence is outputted.Type: GrantFiled: July 31, 2019Date of Patent: December 28, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaojian Liu, Yuejun Wei, Chen Zheng, Liang Ma
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Publication number: 20210359786Abstract: This application provides a data transmission method, a base station, and a terminal device. The method includes: determining, by a base station, a target base graph in N Raptor-like LDPC base graphs; and sending, by the base station, indication information to a terminal device, where the indication information is used to indicate the terminal device to use the target base graph to perform LDPC encoding and decoding. Based on the foregoing technical solution, the base station may determine a target base graph in a plurality of Raptor-like LDPC base graphs that may be used to perform LDPC encoding and decoding, and indicate the target base graph to the terminal device. Further, for one code rate or one code length, the base station may select different base graphs as required.Type: ApplicationFiled: July 29, 2021Publication date: November 18, 2021Inventors: Liang MA, Xin ZENG, Chen ZHENG, Yuejun WEI
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Patent number: 11133832Abstract: Embodiments of this application disclose a data processing method and a data processing device. The method includes: obtaining a first to-be-processed bit sequence, where the first to-be-processed bit sequence is a transport block or a code block generated by performing code block segmentation on a transport block; encoding the first to-be-processed bit sequence to obtain a first encoded bit sequence; storing all or at least some bits of the first encoded bit sequence into a circular buffer; and outputting a first output bit sequence from the bits stored in the circular buffer. According to the method and the device that are provided in this application, rate matching can be implemented for a sequence generated through LDPC encoding.Type: GrantFiled: August 5, 2019Date of Patent: September 28, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Ma, Chen Zheng, Xin Zeng, Yuejun Wei
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Publication number: 20210261715Abstract: A polymer resin composition free of solvent and adapted for in situ curing including: (a) at least one epoxy resin compound; (b) at least one isocyanate compound; and (c) a catalyst system including a combination of at least one primary catalyst and at least one secondary catalyst; wherein the primary catalyst includes (ci) at least one organoantimony catalyst; and wherein the secondary catalyst includes (cii) a nitrogen-containing catalyst; and a process for preparing the above composition.Type: ApplicationFiled: July 30, 2018Publication date: August 26, 2021Inventors: Yu Chen, Yanli Feng, Kunpeng Guo, Chen Zheng, Shaoguang Feng, Huan Chen, Xiaohuan Wan, Qi Qi Tang
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Patent number: 11101927Abstract: This application provides a data transmission method, a base station, and a terminal device. The method includes: determining, by a base station, a target base graph in N Raptor-like low-density parity-check (LDPC) base graphs; and sending, by the base station, indication information to a terminal device, where the indication information is used to indicate the terminal device to use the target base graph to perform LDPC encoding and decoding. Based on the foregoing technical solution, the base station may determine a target base graph in a plurality of Raptor-like LDPC base graphs that may be used to perform LDPC encoding and decoding, and indicate the target base graph to the terminal device. Further, for one code rate or one code length, the base station may select different base graphs as required.Type: GrantFiled: November 4, 2019Date of Patent: August 24, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Ma, Xin Zeng, Chen Zheng, Yuejun Wei
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Publication number: 20210242881Abstract: This application relates to communicating information between communication devices. A channel coding method is disclosed. A communication device obtains an input sequence of K bits. The communication device encodes the input sequence using a low density parity check (LDPC) matrix H, to obtain an encoded sequence. The LDPC matrix H is determined according to a base matrix and a lifting factor Z. The base matrix includes m rows and n columns, m is greater than or equal to 5, and n is greater than or equal to 27. The lifting factor Z satisfies a relationship of 22*Z?K. According to the encoding method provided in the embodiments, information bit sequences of a plurality of lengths can be encoded for transmission between the communication devices.Type: ApplicationFiled: January 28, 2021Publication date: August 5, 2021Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Chen Zheng, Liang Ma, Xiaojian Liu, Yuejun Wei, Xin Zeng
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Patent number: 11070316Abstract: An information processing method, an apparatus, a communications device, and a communications system are provided. The communications device is configured to: obtain a starting position in a buffer sequence W for an output bit sequence, and determine the output bit sequence from the buffer sequence W based on the starting position, where a value of the starting position is one element in {p0, p1, p2, . . . , pkmax?1}, 0?k<kmax, 0?pk<NCB, pk is an integer, k is an integer, NCB is a length of the buffer sequence W, kmax is an integer greater than or equal to 4, and there are two or more different neighboring intervals in {p0, p1, p2, . . . , pkmax?1}. A bit sequence for initial transmission or retransmission is properly determined, so that decoding performance of a communications device on a receive end after receiving the bit sequence is improved, a decoding success rate is enhanced, and a quantity of retransmission times is further reduced.Type: GrantFiled: September 6, 2019Date of Patent: July 20, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Ma, Xin Zeng, Chen Zheng, Xiaojian Liu, Yuejun Wei
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Patent number: 11025277Abstract: This application provides a data processing method, a data processing apparatus, and a communications device. The data processing method includes: coding a first bit sequence, to obtain a second bit sequence, where the first bit sequence includes a first information bit and a first padding bit, and the second bit sequence includes a second information bit and a redundant bit; and storing the second bit sequence in a circular buffer.Type: GrantFiled: September 6, 2019Date of Patent: June 1, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Liang Ma, Xiaojian Liu, Chen Zheng, Yuejun Wei, Xin Zeng
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Publication number: 20210160008Abstract: This application provides a data processing method and a communications device. The data processing method includes: determining, by a first communications device, NCB, based on a size of the circular buffer of the communications device and an information processing capability of a second communications device; and obtaining, by the first communications device, a second encoded bit segment from a first encoded bit segment having a length of NCB. According to the data processing method and the communications device provided in this application, decoding complexity of the communications device can be reduced and communication reliability can be improved.Type: ApplicationFiled: February 2, 2021Publication date: May 27, 2021Inventors: Chen ZHENG, Liang MA, Xin ZENG, Xiaojian LIU, Yuejun WEI
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Patent number: 10985868Abstract: Embodiments of this application provide a communications method and apparatus. The method includes: obtaining an input sequence for rate matching, wherein the input sequence is a retransmission sequence corresponding to a transport block, the input sequence comprises M code block groups, a value of M is less than a quantity of code block groups obtained after the transport block is segmented, and the M code block groups comprise Ct code blocks; and performing rate matching on the Ct code blocks, wherein a length of a rate matching output sequence of of each of the Ct code blocks satisfies the following conditions: when j?Ct???1, E=NL·Qm·?G?/Ct?; when j>Ct???1, E=NL·Qm·?G?/Ct?. The method may be applicable to a system in which transmission is performed based on a code block group, and resources are fully used as many as possible, thereby improving performance.Type: GrantFiled: September 5, 2019Date of Patent: April 20, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Chen Zheng, Liang Ma, Yuejun Wei, Xin Zeng
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Patent number: 10964275Abstract: A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated by a backlight unit that includes an array of light-emitting diodes. A backlight brightness selection circuit may select brightness values for the light-emitting diodes. The backlight brightness selection circuit may select the brightness values based on image data, based on brightness values used in previous image frames, based on device information, and/or based on sensor information. The backlight brightness selection circuit may select the backlight brightness levels to mitigate visible artifacts such as flickering and halo. The backlight levels selected by the backlight brightness selection may be modified by a power consumption compensation circuit. The power consumption compensation circuit may estimate the amount of power consumption required to operate the backlight using the target brightness levels and may modify the target brightness levels to meet maximum power consumption requirements.Type: GrantFiled: May 21, 2019Date of Patent: March 30, 2021Assignee: Apple Inc.Inventors: Duane M. Petrovich, Sean C. Chang, Tobias Jung, Pierre-Yves Emelie, Marc Albrecht, Chen Zheng, Andrei E. Toma, Kevin W. Sliech, Mingxia Gu, Wei H. Yao
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Patent number: 10951352Abstract: Embodiments of this application provide a communications method and apparatus. The method includes: obtaining an input sequence for rate matching, wherein the input sequence is a retransmission sequence corresponding to a transport block, the input sequence comprises M code block groups, a value of M is less than a quantity of code block groups obtained after the transport block is segmented, and the M code block groups comprise Ct code blocks; and performing rate matching on the Ct code blocks, wherein a length of a rate matching output sequence of of each of the Ct code blocks satisfies the following conditions: when j?Ct???1, E=NL·Qm·?G?/Ct?; when j>Ct???1, E=NL·Qm·?G?/Ct?. The method may be applicable to a system in which transmission is performed based on a code block group, and resources are fully used as many as possible, thereby improving performance.Type: GrantFiled: September 5, 2019Date of Patent: March 16, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Chen Zheng, Liang Ma, Yuejun Wei, Xin Zeng
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Publication number: 20210072294Abstract: According to some aspects of the present disclosure, power modules having current sensing circuits, and corresponding sensing methods, are disclosed. Example power modules include a printed circuit board (PCB) having a PCB trace, a first sense terminal coupled to the PCB trace at a first location, and a second sense terminal coupled to the PCB trace at a second location such that a resistance between the first and second sense terminals is defined by a resistance of the PCB trace between the first location and the second location. The power module further comprises a control coupled to the first sense terminal and the second sense terminal, the control adapted to measure a voltage between the first sense terminal and the second sense terminal and determine a current through the PCB trace based on the measured voltage and the resistance between the first sense terminal and the second sense terminal.Type: ApplicationFiled: November 19, 2020Publication date: March 11, 2021Applicant: Astec International LimitedInventors: Mao Xi Xiang, Jian Feng LV, Chen Chen Zheng, Qian Feng
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Patent number: 10944508Abstract: This application provides a data processing method and a communications device. The data processing method includes: determining, by a first communications device, NCB, based on a size of the circular buffer of the communications device and an information processing capability of a second communications device; and obtaining, by the first communications device, a second encoded bit segment from a first encoded bit segment having a length of NCB. According to the data processing method and the communications device provided in this application, decoding complexity of the communications device can be reduced and communication reliability can be improved.Type: GrantFiled: August 6, 2019Date of Patent: March 9, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Chen Zheng, Liang Ma, Xin Zeng, Xiaojian Liu, Yuejun Wei
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Publication number: 20210049226Abstract: A URL categorization query is received. The URL categorization query includes at least one URL. The URL is used to determine a set of keys. A database is queried using the determined set of keys. Categorization information is returned. The returned URL categorization information can be used to enforce policies.Type: ApplicationFiled: August 16, 2019Publication date: February 18, 2021Inventors: Dao-Chen Zheng, Wei Cao, William Redington Hewlett, II, Shangde Zhou
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Publication number: 20210049207Abstract: A URL and a categorization associated with the URL are received. A key associated with the received URL is determined. An operation is performed on a database using the determined key. Examples of such operations include inserting the categorization into the database, changing a value associated with the key in the database, removing a key-value pair from the database, and querying the database.Type: ApplicationFiled: August 16, 2019Publication date: February 18, 2021Inventors: Wei Cao, Dao-Chen Zheng