Patents by Inventor Lei Song

Lei Song 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).

  • Publication number: 20200374091
    Abstract: This application provides a method to improve resource utilization efficiency of an uplink control channel that carries feedback information. A terminal device receives one or more downlink channels carried in one or more first time units, the first time units belonging to in a time unit set; determines a second time unit for carrying feedback information corresponding to the downlink channels according to a first association relationship between the time unit set and the second time unit; determines a first codebook; and sends uplink control information including the first codebook in the second time unit. When one of the downlink channels is received in first time units that belong to a subset of the time unit set, and there is a second association relationship between the subset of the time unit set and the second time unit, the first codebook includes only feedback information corresponding to the downlink channel carried in the first time units in the subset.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Jiafeng Shao, Lei Guan, Xinghua Song
  • Publication number: 20200368158
    Abstract: The present invention belongs to the field of medicine, relates to an inhaled preparation of isoglycyrrhizic acid or a salt thereof, and in particular relates to an inhaled preparation of magnesium isoglycyrrhizinate and the use thereof in preparing drugs for treating respiratory system diseases.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 26, 2020
    Inventors: Hongmei GU, Shanchun WANG, Xiquan ZHANG, Lei HUANG, Hongjiang XU, Wei SONG, Ping DONG, Zhongying SUN, Ying ZHANG, Deyang CHEN
  • Publication number: 20200351008
    Abstract: A communication method, and related apparatuses are disclosed, to provide an MCS corresponding to a lower code rate, so as to better adapt to a requirement of a URLLC service. The communication method includes: determining N MCS indexes in an MCS table, where a value that is obtained by multiplying a code rate by 1024 and that corresponds to an MCS index X in the N MCS indexes is less than or equal to a first threshold, where X is an integer greater than or equal to 0, N is a positive integer, and N is greater than or equal to X; and sending at least one of the N MCS indexes.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 5, 2020
    Inventors: Jiafeng Shao, Lei Guan, Yongxia Lyu, Dan Hu, Xinghua Song
  • Patent number: 10825395
    Abstract: Disclosed are a circuit and a method for detecting a driving current of an organic light emitting diode display device, and an organic light emitting diode display device, the method includes: after detecting for a predetermined time period, obtaining an output voltage of the integrating circuit, and comparing the output voltage with at least one reference voltage; in the case that the output voltage and the reference voltage satisfy a predetermined condition, adjusting capacitance of a capacitor of the integrating circuit.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: November 3, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Chen, Chen Song, Airong Liu, Tangxiang Wang, Xuelian Cheng
  • Publication number: 20200344026
    Abstract: This application discloses communication methods and communication apparatuses. A terminal device receives indication information from a network device. The indication information includes one or more indication parameters. The terminal device obtains one or more pieces of configuration information based on the indication parameters. The terminal device performs uplink or downlink data transmission according to the one or more pieces of configuration information. Each pieces of configuration information includes information of a starting location and information of a quantity of time domain symbols in a slot that are occupied by uplink data or downlink data. Each piece of configuration information is selected from a first set of configuration information or a second set of configuration information.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 29, 2020
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Ruixiang Ma, Yongxia Lyu, Lei Guan, Xinghua Song
  • Publication number: 20200343949
    Abstract: The objective of the present invention is to provide a method and apparatus for reducing PAR of beamforming output signals. A method for reducing PAR of beamforming output signals, wherein input base band data is for N ports and number of beamforming output pipes is M; wherein the method comprises the following steps: building a correlation matrix of the input base band data of the N ports; determining adjusting weight vector for the input data of each port in time domain based on the correlation matrix and wk being the beamforming weight vector of the total N beams for the k-th output pipe, to minimize the correlation of the input base band data of the N ports; adjusting the phase of the input data of each port in time domain based on the adjusting weight vector before beamforming. The present invention enables a reduction on PAR of the beamforming output signals and then improves LTE and 5G power control performance.
    Type: Application
    Filed: November 17, 2017
    Publication date: October 29, 2020
    Applicant: Nokia Shanghai Bell Co., Ltd.
    Inventors: Zhenhao CAI, Lei WANG, Kun ZHAO, Yong SONG
  • Patent number: 10817470
    Abstract: The present disclosure discloses a cloud file transmission method, a terminal, and a server. The method includes receiving a request for obtaining a file, where the request includes a file identifier of the file; obtaining saved first information by using the file identifier and an established first association relationship between the file identifier and the first information, where the first information is generated by performing calculation on raw data of the file, and the raw data is data that can distinguish the file from another file; sending the first information to cloud, so that the cloud finds a saved file according to the first information and an established second association relationship between the file and the first information; and receiving the file sent by the cloud. In this manner, a terminal can accurately obtain a corresponding file from cloud without being limited by an operation.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: October 27, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Lei Song
  • Publication number: 20200337058
    Abstract: Methods and apparatuses for receiving and transmitting configuration information and a communication system. The method includes: configuring or predefining one or more transmission configuration indication states by a terminal equipment for one or more demodulation reference signal port groups. Hence, even in scenarios such as multiple TRPs or multiple panels, the receiving device may correctly and punctually receive transmission information transmitted by the transmitting device.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Lei SONG, Xin WANG, Zhe CHEN, Lei ZHANG, Guoyu ZHANG
  • Patent number: 10800963
    Abstract: The present disclosure provides a pressure-reducing and injection-enhancing anti-scaling agent for low-permeability water-injection wells and a preparation method thereof. The anti-scaling agent is prepared from starting materials comprising: 10 to 12 parts of non-ionic surfactant(s), 18 to 20 parts of hexasodium triethylenetetramine-N,N,N?,N?,N??,N??-hexaacetate, 5 to 8 parts of anionic surfactant(s), 6 to 8 parts of an organic phosphonic acid-carboxylic acid scale inhibitor, 2 to 5 parts of a dispersant, 15 to 18 parts of a diluent, 8 to 10 parts of an organic amine salt, and 30 to 36 parts of water. The pressure-reducing and injection-enhancing agent according to the present disclosure is characterized by having multiple functions in one agent. When used in an amount being 0.5% of the water injected to a water injection well, it shows excellent anti-swelling property, shrinking property, anti-corrosive property, and calcium sulfate and barium (strontium) sulfate scale resistance.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: October 13, 2020
    Assignee: PetroChina Company Limited
    Inventors: Lei Sui, Suiwang Zhang, Xiaobing Lu, Hongjun Lu, Lijun Mu, Yong Wang, Zhaojie Song, Zhiying Deng, Erzhen Wang
  • Publication number: 20200322080
    Abstract: Embodiments of this application provide slot format configuration method and device. According to the method, a network device determines a slot format index for performing uplink-downlink transmission with a terminal device. The slot format index corresponds to a row in a slot format information table, and each row in the slot format information table includes positions of uplink symbols, positions of downlink symbols, and positions of unknown symbols in a slot. The network device sends the slot format index to the terminal device. The terminal device determines a slot format for the uplink-downlink transmission from the slot format information table based on the slot format index. The uplink-downlink slot configuration method provided in the embodiments of this application may satisfy specific requirements of low-latency and high-reliability communication scenarios.
    Type: Application
    Filed: May 13, 2020
    Publication date: October 8, 2020
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Ruixiang Ma, Lei Guan, Yongxia Lyu, Jiafeng Shao, Xinghua Song
  • Publication number: 20200306344
    Abstract: The present invention relates to oral composition and the method of preparation and use of such composition for inhibiting, reducing, and/or disrupting oral biofilm. The composition comprises a stabilizing matrix, a cationic biocide, and a peroxide source.
    Type: Application
    Filed: May 24, 2019
    Publication date: October 1, 2020
    Inventors: Yun Xu, Lei Zhang, Yang Song, Kewang Lu
  • Publication number: 20200313823
    Abstract: A method and apparatus for indicating a transmission position of a reference signal resource and a communication system. The method includes: a network device transmits first configuration information to a terminal equipment, the first configuration information indicating reference signal resources configured in a reference signal resource set being transmitted within one or more time intervals, wherein the reference signal resources are allocated in the one or more time intervals. Hence, it may be ensured that when the number of aperiodic reference signal resources needed in one time of measurement is relatively large, reference signal resources in a reference signal resource set being transmitted within multiple time intervals may be indicated. And the terminal equipment may select appropriate reference signal resources based on the configuration of the network device and report the reference signal resource indicators (CRIs) to the network device.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 1, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Guoyu ZHANG, Xin WANG, Lei ZHANG, Lei SONG, Zhe CHEN
  • Patent number: 10789311
    Abstract: A method and a device for selecting data content to be pushed to a terminal are disclosed. In some embodiments, the method includes: acquiring a user identifier, and acquiring a characteristic value, corresponding to the user identifier, in a preset user attribute type; acquiring data content, and searching for a decision tree object corresponding to the data content; locating a leaf node corresponding to the user identifier in the decision tree object based on the characteristic value, corresponding to the user identifier, in the preset user attribute type; and acquiring the number of clicks and the number of pushes stored in the located leaf node, generating a selection reference value based on the number of clicks and the number of pushes, and selecting, based on the selection reference value, data content to be pushed to a terminal corresponding to the user identifier.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: September 29, 2020
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Lei Jiang, Yong Li, Lei Xiao, Dapeng Liu, Shubin Zhang, Chuanjiang Luo, Yajuan Song
  • Patent number: 10789347
    Abstract: This disclosure relates to identification preprocessing. In one aspect, a method includes receiving at an identification server, and from a mobile computing device that has entered a predetermined area surrounding a biometric feature collection device, a group identifier of a user group to which a user of the mobile computing device belongs. The group identifier is transmitted by the mobile computing device in response to the mobile computing device receiving a radio signal broadcast to the predetermined area. The user group is one of multiple user groups. Based on the group identifier, the identification server selects, from a stored registration biometric feature set, a registration biometric feature associated with each user in the user group. The identification server adds the registration biometric feature to a screening feature set established for the biometric feature collection device. Biometric feature-based identification is performed on the user using the screening feature set.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: September 29, 2020
    Assignee: Alibaba Group Holding Limited
    Inventors: Yitao Song, Mian Huang, Lei Zhou
  • Publication number: 20200305007
    Abstract: Uplink signal transmission method, uplink signal reception method and apparatus thereof and a system. The uplink signal transmission method includes: when a network device configures first information associated with a spatial relation for an uplink signal but the special relation for the uplink signal is not effective, a terminal equipment transmits an uplink signal by using a spatial domain transmission filter the same as that of a transmitted signal or a received signal or using a spatial domain transmission filter associated with a predetermined item in the first information. With this method, the terminal equipment may transmit an uplink signal by using a suitable spatial domain transmission filter in a case where an uplink beam is not determined according to the configuration of the network device.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 24, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Zhe CHEN, Xin WANG, Lei ZHANG, Lei SONG, Guoyu ZHANG
  • Publication number: 20200305140
    Abstract: A signal reception apparatus and method and a communications system. As the starting position of the time domain resource section used for receiving signals is determined according to the predefined or preconfigured reference time domain resource section, time domain resources on which receiving beams determined by the network device and the terminal equipment are based are uniform, thereby avoiding mismatch of the network device and the terminal equipment in receiving and transmitting beams and ensuring transmission reliability of the system.
    Type: Application
    Filed: June 11, 2020
    Publication date: September 24, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Lei SONG, Lei ZHANG, Xin WANG, Zhe CHEN, Guoyu ZHANG
  • Publication number: 20200304263
    Abstract: A method and an apparatus for indicating signaling, and a communication system. The method includes: transmitting configuration information by a network device to a terminal equipment, the configuration information including time domain position information on transmitting a reference signal at multiple time intervals by using reference signal resources in a reference signal resource set. Hence, even though reference signal resources at the same triggering state triggered for the same carrier frequency occupy multiple time intervals, the network device is able to accurately indicate information report by using triggering signaling, and the terminal equipment is also able to correctly interpret the triggering signaling.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 24, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Guoyu ZHANG, Lei SONG, Lei ZHANG, Xin WANG
  • Patent number: 10785722
    Abstract: A computer device may include a memory storing instructions and a processor configured to execute the instructions to select a broadcast method for a wakeup signal for a wireless communication device; instruct a base station to broadcast the wakeup signal using the selected broadcast method; and provide information identifying the selected broadcast method to the wireless communication device. The processor may be further configured to receiving a wakeup request from a machine-type communication interworking function (MTC-IWF) device; map the received wakeup request to a wakeup signature beacon signal associated with the wireless communication device; and instruct the base station to transmit a wakeup signature beacon signal to the wireless communication device based on the received wakeup request.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: September 22, 2020
    Assignee: Verizon Patent and Licensing Inc.
    Inventors: Lei Song, Ye Huang, Jin Yang, Yee Sin Chan, Jignesh S. Panchal
  • Patent number: D900681
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: November 3, 2020
    Assignee: NINEBOT (BEIJING) TECH. CO., LTD
    Inventors: Lei Liu, Xinyu Song, Lufeng Gao
  • Patent number: D902788
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: November 24, 2020
    Assignee: NINEBOT TECH. CO., LTD
    Inventors: Xinyu Song, Lei Liu, Lufeng Gao