Patents by Inventor NAN CHENG

NAN CHENG 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).

  • Patent number: 12279158
    Abstract: A wireless communication network resource allocation method implemented in a server in a wireless communication network, includes: obtaining task feature information of each user device and a CPU frequency of the server in each time slot; obtaining a task data volume average value; determining, based on a knowledge base including sample data groups and optimal resource allocation models, a target optimal resource allocation model matched with the task data volume average value and the CPU frequency of the server; obtaining, based on the task feature information of the user devices in the time slot and the target optimal resource allocation model, resource allocation results of the user devices, and transmitting task data to the user devices based on the results. A width of a dynamic neural network can be automatically adjusted according to task features and computational capacity, and on-demand adjustment of decision speed and resource optimality can be realized.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: April 15, 2025
    Assignee: Xidian University
    Inventors: Nan Cheng, Changle Li, Longfei Ma, Xiucheng Wang, Ruijin Sun
  • Publication number: 20250022987
    Abstract: A display substrate, a manufacturing method therefor and a display device are provided. The display substrate includes a substrate structure layer, the substrate structure layer includes a substrate material layer, a sacrificial layer and an optical film layer between the substrate material layer and the sacrificial layer which are stacked; a reflectivity of the optical film layer is greater than a transmittance of the optical film layer.
    Type: Application
    Filed: October 26, 2022
    Publication date: January 16, 2025
    Inventors: Jianying ZHANG, Jian TIAN, Chunjian LIU, Yajun MA, Jie LEI, Nan CHENG, Xinhong LU
  • Publication number: 20240330708
    Abstract: A model training method based on adaptive split learning-federated learning includes: each user terminal uploading device information to the server and the server allocating a propagation step length and a aggregation weight to each user terminal; each user terminal obtaining a current-round global model from the server and taking itself as a start node of a ring topology to perform local joint processing for a preset number of times to obtain a locally-updated model parameter of the start node with respect to current-round training; each user terminal uploading the locally-updated model parameter for the current-round training to the server for aggregation and obtaining a current-round updated global model; and the server determining whether the current-round updated global model meets a convergence condition, if not, performing next-round training, or if yes, determining the current-round updated global model as a trained face recognition model.
    Type: Application
    Filed: June 8, 2024
    Publication date: October 3, 2024
    Inventors: Nan Cheng, Jinglong Shen, Zhisheng Yin, Ruijin Sun, Changle Li
  • Publication number: 20240318536
    Abstract: A method of generating a model for predicting at least one property of a fluid at a sample location within a hydrocarbon reservoir includes simulating behaviour of one or more hydrocarbon reservoirs during production; generating a plurality of simulated fluid samples from the one or more simulated hydrocarbon reservoirs, the plurality of simulated fluid samples corresponding to a plurality of different spatial locations and/or different time locations within the one or more simulated hydrocarbon reservoirs; generating a training data set including input data and target data based on the simulated fluid samples, the input data including simulated mud-gas data for each sample location indicative of mobile and immobile hydrocarbons at the sample location, and the target data including the at least one property of only the mobile hydrocarbons at each sample locations; and constructing a model using the training data set such that the model can be used to predict the at least one property of the fluid at a sample
    Type: Application
    Filed: June 29, 2022
    Publication date: September 26, 2024
    Applicant: Equinor Energy AS
    Inventors: Tao YANG, Knut ULEBERG, Nan CHENG, Gulnar YERKINKYZY
  • Patent number: 12031984
    Abstract: A detection device using a lateral flow strip for detection and a detection method thereof are provided, which relates to the technical field of a detection device using a lateral flow strip. An upper rotor, a middle rotor and a lower rotor are respectively provided with upper paddle(s), middle paddle(s) and lower paddle(s) along respective circumferential directions. Each upper paddle is provided with a test tube with openings at both ends thereof for placing the lateral flow strip. The middle paddle blocks a bottom one of the openings of the test tube. Each lower paddle is provided with a sample tube for placing sample solution. The bottom opening of the test tube is opposite to a top opening of the sample tube up and down.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: July 9, 2024
    Assignee: CHINA AGRICULTURAL UNIVERSITY
    Inventors: Nan Cheng, Xiaoyun He, Wentao Xu, Kunlun Huang, Yunbo Luo, Qian Zhang, Qingliang Liu
  • Publication number: 20230189075
    Abstract: A wireless communication network resource allocation method implemented in a server in a wireless communication network, includes: obtaining task feature information of each user device and a CPU frequency of the server in each time slot; obtaining a task data volume average value; determining, based on a knowledge base including sample data groups and optimal resource allocation models, a target optimal resource allocation model matched with the task data volume average value and the CPU frequency of the server; obtaining, based on the task feature information of the user devices in the time slot and the target optimal resource allocation model, resource allocation results of the user devices, and transmitting task data to the user devices based on the results. A width of a dynamic neural network can be automatically adjusted according to task features and computational capacity, and on-demand adjustment of decision speed and resource optimality can be realized.
    Type: Application
    Filed: July 4, 2022
    Publication date: June 15, 2023
    Inventors: Nan Cheng, Changle Li, Longfei Ma, Xiucheng Wang, Ruijin Sun
  • Publication number: 20230075293
    Abstract: A detection device using a lateral flow strip for detection and a detection method thereof are provided, which relates to the technical field of a detection device using a lateral flow strip. An upper rotor, a middle rotor and a lower rotor are respectively provided with upper paddle(s), middle paddle(s) and lower paddle(s) along respective circumferential directions. Each upper paddle is provided with a test tube with openings at both ends thereof for placing the lateral flow strip. The middle paddle blocks a bottom one of the openings of the test tube. Each lower paddle is provided with a sample tube for placing sample solution. The bottom opening of the test tube is opposite to a top opening of the sample tube up and down.
    Type: Application
    Filed: October 27, 2021
    Publication date: March 9, 2023
    Applicant: CHINA AGRICULTURAL UNIVERSITY
    Inventors: Nan CHENG, Xiaoyun HE, Wentao XU, Kunlun HUANG, Yunbo LUO, Qian ZHANG, Qingliang LIU
  • Publication number: 20230052643
    Abstract: The present invention is related to a carboxylated styrene butadiene polymer latex, a method for making such and its application as binders for paper coating. In particular, the latex shows excellent wet rub performance and peel off performance. The latex may find applications as binders for paper coating.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 16, 2023
    Inventors: Nan CHENG, Titus David LEMAN, Soehari LIONO, Nadaraja SUBRAMANIAM
  • Patent number: 10917112
    Abstract: A first error-detecting code (EDC) is computed based on a first segment of a block of information that is to be encoded, and a second EDC is computed based on at least a second segment of the block of information. The first EDC is masked with a first masking segment and the second EDC with a second masking segment to generate a first masked EDC and a second masked EDC. The first masking segment and the second masking segment are associated with a target receiver of the block of information. A codeword is generated based on a code and an input vector that includes the first segment, the first masked EDC, the second segment, and the second masked EDC. This type of coding could be useful to support early termination of blind detection at a decoder, for example.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: February 9, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yiqun Ge, Ran Zhang, Nan Cheng, Wuxian Shi
  • Patent number: 10735154
    Abstract: Coding sub-channel selection involves, in an embodiment, determining, from sub-channels that are defined by a code and that have associated reliabilities for input bits at input bit positions, a first number of the sub-channels to carry bits that are to be encoded. A second number of the sub-channels, greater than the first number, are selected. The second number of sub-channels are selected to provide exactly the first number sub-channels to be available to carry the bits that are to be encoded.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: August 4, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Louis-Philippe Hamelin, Yiqun Ge, Wuxian Shi, Ran Zhang, Nan Cheng
  • Patent number: 10700808
    Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. In one example, an embodiment technique includes polar encoding, with an encoder of the device, information bits and at least one parity bit using the polar code to obtain encoded data, and transmitting the encoded data to another device. The polar code comprises a plurality of sub-channels. The at least one parity bit being placed in at least one of the plurality of sub-channels. The at least one sub-channel is selected from the plurality of sub-channels based on a weight parameter.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: June 30, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huazi Zhang, Jiajie Tong, Rong Li, Jun Wang, Wen Tong, Yiqun Ge, Xiaocheng Liu, Gongzheng Zhang, Jian Wang, Nan Cheng, Qifan Zhang
  • Patent number: 10644829
    Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. The row weight for a sub-channel may be viewed as the number of “ones” in the corresponding row of the Kronecker matrix or as a power of 2 with the exponent (i.e. the hamming weight) being the number of “ones” in the binary representation of the sub-channel index (further described below). In one embodiment, candidate sub-channels that have certain row weight values are reserved for parity bit(s). Thereafter, K information bits may be mapped to the K most reliable remaining sub-channels, and a number of frozen bits (e.g. N?K) may be mapped to the least reliable remaining sub-channels. Parity bits may then mapped to the candidate sub-channels, and parity bit values are determined based on a function of the information bits.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: May 5, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huazi Zhang, Jiajie Tong, Rong Li, Jun Wang, Wen Tong, Yiqun Ge, Xiaocheng Liu, Gongzheng Zhang, Jian Wang, Nan Cheng, Qifan Zhang
  • Patent number: 10637607
    Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. The row weight for a sub-channel may be viewed as the number of “ones” in the corresponding row of the Kronecker matrix or as a power of 2 with the exponent (i.e. the hamming weight) being the number of “ones” in the binary representation of the sub-channel index (further described below). In one embodiment, candidate sub-channels that have certain row weight values are reserved for parity bit(s). Thereafter, K information bits may be mapped to the K most reliable remaining sub-channels, and a number of frozen bits (e.g. N?K) may be mapped to the least reliable remaining sub-channels. Parity bits may then mapped to the candidate sub-channels, and parity bit values are determined based on a function of the information bits.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 28, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huazi Zhang, Jiajie Tong, Rong Li, Jun Wang, Wen Tong, Yiqun Ge, Xiaocheng Liu, Gongzheng Zhang, Jian Wang, Nan Cheng, Qifan Zhang
  • Patent number: 10638303
    Abstract: Embodiments of this application provide a near-field wireless communication service processing method performed at a first computing device associated with a social networking application. While running a social networking application, the first computing device detects a near-field wireless communication signal broadcasted by a second computing device associated with a service provider account registered with the social networking application.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: April 28, 2020
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Kai Ma, Maohua Chen, Mo Zhao, Zhenxi Qiu, Xiaoming Wu, Nan Cheng, Xiaohui Zheng, Junxiong Chen, Jinheng Xie, Zhe Cheng, Le Yu, Shuhui Mei, Chi Zhang, Huiqin Yang, Yao Qin, Shunfu Ye, Tao Zhang, Wenrong Tang, Yangbin Huang, Ming He, Chaoxiong Diao, Pengbo Zhang, Guanqiao Su, Hongmin Zheng, Xiaojuan Zhang, Zhejin Huang, Xiaoyang Qian, Zhongming Guo, Xiaoyi Fang, Yang Zuo, Yan Dai
  • Patent number: 10608786
    Abstract: An ordered number sequence may be determined based on an ordered sub-channel sequence specifying an order of N sub-channels that are defined by a code and that have associated reliabilities for input bits at N input bit positions. The ordered number sequence represents the ordered sub-channel sequence as a sequence of fewer than N numbers. The numbers in the ordered number sequence indicate the sub-channels, by representing numbers of the sub-channels for example, from different subsets of the N sub-channels, that appear in the order specified by the ordered sub-channel sequence. Using ordered number sequences, longer ordered sub-channel sequences could be constructed from smaller ordered sub-channel sequences, and/or sub-channels that to be selected from a longer ordered sub-channel sequence could be divided into two or more parts, with each part to be selected from shorter ordered sub-channel sequences.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: March 31, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yiqun Ge, Wuxian Shi, Ran Zhang, Nan Cheng
  • Patent number: 10579452
    Abstract: Systems and methods are disclosed for performing rate matching when using general polar codes. In one embodiment, a method of generating a codeword includes receiving bits at a polar encoder and encoding the bits using polar encoder kernels. The polar encoder kernels include a first kernel and a second kernel. The first kernel receives a set of input q-ary symbols and modifies the set of input q-ary symbols according to a first kernel generator matrix to produce a set of output q-ary symbols. The second kernel receives a set of input l-ary symbols, where l does not equal q, and modifies the set of input l-ary symbols according to a second kernel generator matrix to produce a set of output l-ary symbols. For example, the first kernel may be a binary kernel and the second kernel may be a Reed-Solomon (RS) based kernel.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: March 3, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Wuxian Shi, Yiqun Ge, Nan Cheng, Ran Zhang
  • Patent number: 10567011
    Abstract: Systems and methods are disclosed that relate to performing rate matching when using polar codes. In one embodiment, a plurality of bits are received at a polar encoder. A value is obtained that corresponds to at least one of: a coding rate to be used to transmit the plurality of bits, and a number of coded bits to be used to transmit the plurality of bits. It is determined which range of values the value falls within, and an information sequence is obtained that corresponds to the range the value falls within. The plurality of bits are mapped to a subset of positions of an input vector according to the information sequence. The remaining positions of the input vector are set as frozen values that are known by a decoder. The input vector is then encoded in the polar encoder to generate a codeword.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: February 18, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ran Zhang, Wuxian Shi, Nan Cheng, Yiqun Ge
  • Publication number: 20200014401
    Abstract: A first error-detecting code (EDC) is computed based on a first segment of a block of information that is to be encoded, and a second EDC is computed based on at least a second segment of the block of information. The first EDC is masked with a first masking segment and the second EDC with a second masking segment to generate a first masked EDC and a second masked EDC. The first masking segment and the second masking segment are associated with a target receiver of the block of information. A codeword is generated based on a code and an input vector that includes the first segment, the first masked EDC, the second segment, and the second masked EDC. This type of coding could be useful to support early termination of blind detection at a decoder, for example.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 9, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: YIQUN GE, RAN ZHANG, NAN CHENG, WUXIAN SHI
  • Patent number: 10491326
    Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. In one example, an embodiment technique includes allocating, from a set of sub-channels, one or more sub-channels for one or more parity bits based on row weights for sub-channels in a subset of sub-channels within the set of sub-channels, mapping information bits to remaining sub-channels in the set of sub-channels based on a reliability of the remaining sub-channels without mapping any of the information bits to the one or more sub-channels allocated for the one or more parity bits, polar encoding the information bits and the one or more parity bits based on at least the mapping of the information bits to the remaining sub-channels to obtain encoded bits, and transmitting the encoded bits to another device.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 26, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huazi Zhang, Jiajie Tong, Rong Li, Jun Wang, Wen Tong, Yiqun Ge, Xiaocheng Liu, Gongzheng Zhang, Jian Wang, Nan Cheng, Qifan Zhang
  • Publication number: 20190342745
    Abstract: Embodiments of this application provide a near-field wireless communication service processing method performed at a first computing device associated with a social networking application. While running a social networking application, the first computing device detects a near-field wireless communication signal broadcasted by a second computing device associated with a service provider account registered with the social networking application.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Inventors: Kai MA, Maohua CHEN, Mo ZHAO, Zhenxi QIU, Xiaoming WU, Nan CHENG, Xiaohui ZHENG, Junxiong CHEN, Jinheng XIE, Zhe CHENG, Le YU, Shuhui MEI, Chi ZHANG, Huiqin YANG, Yao QIN, Shunfu YE, Tao ZHANG, Wenrong TANG, Yangbin HUANG, Ming HE, Chaoxiong DIAO, Pengbo ZHANG, Guanqiao SU, Hongmin ZHENG, Xiaojuan ZHANG, Zhejin HUANG, Xiaoyang QIAN, Zhongming GUO, Xiaoyi FANG, Yang ZUO, Yan DAI