Patents by Inventor Chunhua Liu

Chunhua Liu 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: 11418298
    Abstract: Aspects of the present disclosure relates to a method, device, and system for transmitting data. The method can include receiving a transport block (TB) transmitted by a transmitting terminal, the TB comprising a plurality of code blocks (CBs), and determining an erroneous CB in the TB, and determining, according to a preset affiliation between CBs and code block groups (CBGs), whether each CBG includes an erroneous CB, any CB corresponding to m CBGs in the affiliation, and m being a preset positive integer. The method can further include, for each CBG, if the CBG includes an erroneous CB, determining that feedback information corresponding to the CBG is a negative acknowledgement (NACK), and if the CBG does not comprise an erroneous CB, determining that the feedback information corresponding to the CBG is a positive acknowledgement (ACK), and transmitting the feedback information corresponding to each CBG to the transmitting terminal.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: August 16, 2022
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yajun Zhu, Juejia Zhou, Wei Hong, Chunhua Liu, Yong Li
  • Patent number: 11398644
    Abstract: Provided is a non-aqueous electrolyte for lithium ion battery, comprising a compound A represented by structural formula I and a compound B represented by structural formula II: Wherein, in formula I, R1 is selected from alkylene having 1-5 carbon atoms or fluorine substituted alkylene having 1-5 carbon atoms; R2 is selected from anyone of alkylene having 1-5 carbon atoms, fluorine substituted alkylene having 1-5 carbon atoms or carbonyl; In formula II, R3, R4, R5, R6, R7 and R8 are each independently selected from hydrogen, fluorine atom or a group containing 1-5 carbon atoms. The compound A and compound B of the non-aqueous electrolyte can form a passivation film formed by reduction, decomposition and combination reactions on the surface of negative electrode material of lithium-ion battery, thereby improving thermal stability of the passivation film and high-temperature cycle and storage performance of the battery.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: July 26, 2022
    Assignee: SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.
    Inventors: Qiao Shi, Shiguang Hu, Zhaohui Deng, Hao Zhang, Chunhua Liu
  • Patent number: 11356442
    Abstract: A wearable device-based identity authentication method and system, comprising: a user terminal initiates an authentication request to a target server and provides device information of the user terminal, the target server generates a temporary session, and sends a temporary session ID and the device information to a quantum key distribution network; the quantum key distribution network generates identification information, searches a wearable device bound to the user terminal, and sends the identification information to the wearable device; the wearable device receives and provides the identification information to the user terminal, the user terminal acquires the identification information, and sends verification information to the wearable device and then to the quantum key distribution network; the quantum key distribution network generates an authentication result and sends to the target server; and the target server generates an identification authentication result and sends to the user terminal.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: June 7, 2022
    Assignees: QUANTUMCTEK CO., LTD., SHANDONG INSTITUTE OF QUANTUM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yong Zhao, Chunhua Liu
  • Publication number: 20220134257
    Abstract: The three-stage axial flow degassing device adopts an efficient degassing technology including a vertical high speed swirling field, a horizontal rapid axial flow field and a vertical reversing scrubbing field formed by a combination of vertical tubes; the first-stage degasser performs the first-stage segmental vertical high speed swirling degassing operation, removes the gas phase carried by the gas-containing fluid, and forms a primary gas and a primary fluid; the microporous uniform mixer breaks bubbles of the primary fluid and forms a gas-liquid uniform mixed flow; the second-stage degasser performs the second-stage horizontal vane wheel swirling generating rapid axial flow degassing operation, removes the gas phase carried by the gas-liquid uniform mixed flow, and forms a secondary gas and a secondary fluid; the third-stage degasser performs the third-stage vertical reversing deep degassing operation, removes liquid phase carried by the secondary gas, and forms a tertiary gas and a tertiary fluid.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 5, 2022
    Inventors: XINFU LIU, HUIFENG WANG, ZHONGXIAN HAO, CHUNHUA LIU, JI CHEN, FENG LIU, XIAOMING WU, PENG GAO, XIAOLEI WANG
  • Publication number: 20220127946
    Abstract: The three-stage degassing and dewatering technology with vertical, horizontal and elevated T-shaped tubes combined as well as a high-frequency and high-voltage dynamic electric field dewatering technology with a mouse cage formation constructed by rod electrodes are adopted. The first-stage degasser implements a first-stage axial-flow type collision buffer degassing and dewatering operation, forming a first-stage crude oil after removing some of the gas and water in the gas-containing and water-containing crude oil. The second-stage degasser implements a second-stage elevated efficient degassing operation, forming a second-stage crude oil after removing the remaining gas in the first-stage crude oil. The rod electrode constructs a dynamic electric field with a high frequency and a high voltage, and implements a third-stage high-frequency and high-voltage rapid dewatering operation together with the elevated dewaterer, forming a qualified crude oil after removing the remaining water in the crude oil emulsion.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 28, 2022
    Inventors: Xinfu LIU, Qingping LI, Youqiang WANG, Chunhua LIU, Zhongxian HAO, Feng LIU, Ji CHEN, Guanghai YU, Xiaoming WU, Xiaolei WANG
  • Patent number: 11218977
    Abstract: A method for controlling interference includes: dividing a control region in a time domain transmission unit to obtain first and second power regions, the transmission power of the first power region being higher than that of the second power region; dividing all current channels to obtain first and second channel groups; transmitting data carried by all the channels included in the second channel group by means of the first power region, and transmitting data carried by all the channels included in the first channel group by means of the second power region. The method can greatly reduce interference to a PDSCH of a small cell from a PDCCH of a macro base station when the macro base station and the small cell use different parameter sets on the same carrier in a heterogeneous network, without reducing the spectrum utilization rates of the macro base station and the small cell.
    Type: Grant
    Filed: January 11, 2020
    Date of Patent: January 4, 2022
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POST AND TELECOMMUNICATIONS
    Inventors: Yajun Zhu, Wei Hong, Chunhua Liu, Yong Li
  • Publication number: 20210324688
    Abstract: The present invention relates to a plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers, which is applied to suction working conditions in highly deviated well sections. It comprises three pump cylinders, which are combined type including two fixed cylinders and a dynamic cylinder, two centralizers, which are combined type including a dynamic spiral centralizer and fixed spiral centralizer, a fixed cone valve, a cylinder and plug integrated springing fixed cone valve, a fixed plunger and a movable guide rod cone valve to solve the problems such as stuck pump, eccentric wear between plunger and pump cylinder and valve leakage.
    Type: Application
    Filed: January 6, 2021
    Publication date: October 21, 2021
    Inventors: Xinfu Liu, Chunhua Liu, Chao Zhou, Jianjun Wu, Peng Gao, Shousen Zhang
  • Publication number: 20210307038
    Abstract: Provided are a method and apparatus for transmitting a Scheduling Request (SR) and a storage medium. The method includes: before sending an SR to a base station through a Physical Uplink Control Channel (PUCCH), determining a preset parameter for generating an SR sequence based on the SR and a PUCCH format for sending the SR, the preset parameter corresponding to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR including that a first SR is transmitted, a second SR is transmitted and both the first SR and the second SR are transmitted simultaneously, and the first SR and the second SR being different types of SRs; generating the SR sequence based on the preset parameter; and sending the SR sequence to the base station. Accordingly, the terminal can transmit two types of SRs simultaneously without additionally increasing the SR resource.
    Type: Application
    Filed: August 17, 2018
    Publication date: September 30, 2021
    Inventors: Chunhua LIU, Mingju LI, Yajun ZHU, Ming ZHANG
  • Publication number: 20210289372
    Abstract: A beam failure recovery request sending method includes: after a beam failure event occurs in a terminal, searching for a candidate beam; and after at least one candidate beam is found, using a physical uplink control channel (PUCCH) resource to send a beam failure recovery request (BFRQ) to a base station, the PUCCH resource comprising a PUCCH resource pre-allocated to the terminal by the base station or a PUCCH resource in a preset format. The present disclosure achieves the purpose of transmitting a BFRQ using a PUCCH resource, making the time delay of transmitting a BFRQ small.
    Type: Application
    Filed: July 20, 2018
    Publication date: September 16, 2021
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Chunhua LIU, Yajun ZHU, Ming ZHANG
  • Publication number: 20210105270
    Abstract: The method comprises: a user terminal initiating an authentication request to a target server and providing device information of the user terminal, and the target server receiving the authentication request and generating a temporary session, and sending a temporary session ID and the device information to a quantum key allocation network; the quantum key allocation network searching for a wearable device bound to the user terminal, and sending the temporary session ID to the wearable device; the wearable device collecting biological recognition information of a user, and sending the biological recognition information to the quantum key allocation network; and the quantum key allocation network matching the biological recognition information with pre-stored biological recognition information, wherein if matching is successful, an authentication result is sent to the target server, and then the target server sends the authentication result to the user terminal.
    Type: Application
    Filed: February 28, 2019
    Publication date: April 8, 2021
    Inventors: Yong ZHAO, Chunhua LIU
  • Publication number: 20210097288
    Abstract: A method and an apparatus for generating a video are provided. The method may include performing, by a server, semantic analysis on an original video according to a timing characteristic of the original video, and segmenting the original video to obtain video segments with semantic information; obtaining, by the server, a video generation sequence model with a timing characteristic based on at least one previously configured video generation sequence model with a timing characteristic according to preference video information obtained from a client; and reorganizing, by the server, the video segments with the semantic information according to the video generation sequence model with the timing characteristic to obtain a target video of the client.
    Type: Application
    Filed: September 11, 2020
    Publication date: April 1, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jiankang FAN, Biao WANG, Chunhua LIU
  • Publication number: 20210014226
    Abstract: A wearable device-based identity authentication method and system, comprising: a user terminal initiates an authentication request to a target server and provides device information of the user terminal, the target server generates a temporary session, and sends a temporary session ID and the device information to a quantum key distribution network; the quantum key distribution network generates identification information, searches a wearable device bound to the user terminal, and sends the identification information to the wearable device; the wearable device receives and provides the identification information to the user terminal, the user terminal acquires the identification information, and sends verification information to the wearable device and then to the quantum key distribution network; the quantum key distribution network generates an authentication result and sends to the target server; and the target server generates an identification authentication result and sends to the user terminal.
    Type: Application
    Filed: February 28, 2019
    Publication date: January 14, 2021
    Inventors: Yong ZHAO, Chunhua LIU
  • Publication number: 20200358564
    Abstract: Aspects of the present disclosure relates to a method, device, and system for transmitting data. The method can include receiving a transport block (TB) transmitted by a transmitting terminal, the TB comprising a plurality of code blocks (CBs), and determining an erroneous CB in the TB, and determining, according to a preset affiliation between CBs and code block groups (CBGs), whether each CBG includes an erroneous CB, any CB corresponding to m CBGs in the affiliation, and m being a preset positive integer. The method can further include, for each CBG, if the CBG includes an erroneous CB, determining that feedback information corresponding to the CBG is a negative acknowledgement (NACK), and if the CBG does not comprise an erroneous CB, determining that the feedback information corresponding to the CBG is a positive acknowledgement (ACK), and transmitting the feedback information corresponding to each CBG to the transmitting terminal.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yajun ZHU, Juejia ZHOU, Wei HONG, Chunhua LIU, Yong LI
  • Publication number: 20200154367
    Abstract: A method for controlling interference includes: dividing a control region in a time domain transmission unit to obtain first and second power regions, the transmission power of the first power region being higher than that of the second power region; dividing all current channels to obtain first and second channel groups; transmitting data carried by all the channels included in the second channel group by means of the first power region, and transmitting data carried by all the channels included in the first channel group by means of the second power region. The method can greatly reduce interference to a PDSCH of a small cell from a PDCCH of a macro base station when the macro base station and the small cell use different parameter sets on the same carrier in a heterogeneous network, without reducing the spectrum utilization rates of the macro base station and the small cell.
    Type: Application
    Filed: January 11, 2020
    Publication date: May 14, 2020
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POST AND TELECOMMUNICATIONS
    Inventors: Yajun ZHU, Wei HONG, Chunhua LIU, Yong LI
  • Publication number: 20200144669
    Abstract: Provided is a non-aqueous electrolyte for lithium ion battery, comprising a compound A represented by structural formula I and a compound B represented by structural formula II: Wherein, in formula I, R1 is selected from alkylene having 1-5 carbon atoms or fluorine substituted alkylene having 1-5 carbon atoms; R2 is selected from anyone of alkylene having 1-5 carbon atoms, fluorine substituted alkylene having 1-5 carbon atoms or carbonyl; In formula II, R3, R4, R5, R6, R7 and R8 are each independently selected from hydrogen, fluorine atom or a group containing 1-5 carbon atoms. The compound A and compound B of the non-aqueous electrolyte can form a passivation film formed by reduction, decomposition and combination reactions on the surface of negative electrode material of lithium-ion battery, thereby improving thermal stability of the passivation film and high-temperature cycle and storage performance of the battery.
    Type: Application
    Filed: December 28, 2017
    Publication date: May 7, 2020
    Applicants: SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.
    Inventors: Qiao Shi, Shiguang Hu, Zhaohui Deng, Hao Zhang, Chunhua Liu
  • Patent number: 10560265
    Abstract: A mobile secret communications method based on a quantum key distribution network, comprises the following steps: a mobile terminal registering to access the network and establishing a binding relationship with a certain centralized control station in the quantum key distribution network; after a communication service is initiated, the mobile terminals participating in the current communication applying for service keys from the quantum key distribution network; the quantum key distribution network obtaining addresses of the centralized control stations participating in service key distribution during the current communication, designating a service key generation centralized control station according to a current state indicator of each centralized control station; the service key generation centralized control station generating service keys required in the current communication and distributing the keys to the mobile terminals participating in the current communication.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: February 11, 2020
    Assignees: QUANTUMCTEK CO., LTD., Shandong Institute of Quantum Science and Technology Co., Ltd.
    Inventors: Yong Zhao, Chunhua Liu
  • Publication number: 20190228593
    Abstract: The invention discloses a toll road network traffic information collection and guidance system based on a route identification system, comprising toll road exit and entry toll lane systems, a networked toll center system, a 5.8 G route identification station, a 5.8 G route identification station monitoring system, a dual-frequency pass card for MTC vehicles, an OBU and a non-cash payment card for ETC vehicles, an in-vehicle multimedia terminal and a traffic information processing system. Collection of route identification, traffic information and vehicle driving state information, and traffic information pushing are implemented using the 5.8 GHz route identification station, the dual-frequency pass card and OBU containing a Bluetooth module and an OBU, and the in-vehicle multimedia terminal; processing and predication of information such as travel time, traffic flow, travel velocity, traffic state, and vehicle location on toll road sections are implemented using a method of combining cloud computing with 5.
    Type: Application
    Filed: December 21, 2016
    Publication date: July 25, 2019
    Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Weiming LIU, Bei ZHOU, Guangguang HAN, Fangping ZHU, Chao WANG, Chunhua LIU, Shizhi XIE, Weijie TANG, Yuyang SHI, Pengbo LIU, Yu LIANG, Jinmu HUANG, Guangwen QIN, Xiao DENG, Mindong XIA
  • Publication number: 20170214525
    Abstract: A mobile secret communications method based on a quantum key distribution network, comprises the following steps: a mobile terminal registering to access the network and establishing a binding relationship with a certain centralized control station in the quantum key distribution network; after a communication service is initiated, the mobile terminals participating in the current communication applying for service keys from the quantum key distribution network; the quantum key distribution network obtaining addresses of the centralized control stations participating in service key distribution during the current communication, designating a service key generation centralized control station according to a current state indicator of each centralized control station; the service key generation centralized control station generating service keys required in the current communication and distributing the keys to the mobile terminals participating in the current communication.
    Type: Application
    Filed: April 7, 2017
    Publication date: July 27, 2017
    Inventors: Yong Zhao, Chunhua Liu
  • Patent number: 9668127
    Abstract: Disclosed is a method for allocating a communication key based on an Android intelligent mobile terminal. By establishing a universal secret communication platform on the bottom layer of an Android operating system, an intelligent mobile terminal is equipped with the functions of being able to interact with a secret communication support network, receiving a two-level key and using a received service key after decrypting same, thereby being able to provide universal bottom-layer support for a VoIP secret call, a secret short message, a secret video call, file encryption transmission, secure mobile payment and other communication services which require secrecy support. The secret communication support network provides the service keys required for various communication services for a reformed intelligent mobile terminal, and after obtaining the service keys, the intelligent mobile terminal uses same to conduct the secret communication.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: May 30, 2017
    Assignees: QUANTUMCTEK CO., LTD., SHANDONG INSTITUTE OF QUANTUM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yong Zhao, Chunhua Liu
  • Patent number: 9654287
    Abstract: A mobile secret communications method based on a quantum key distribution network, comprises the following steps: a mobile terminal registering to access the network and establishing a binding relationship with a certain centralized control station in the quantum key distribution network; after a communication service is initiated, the mobile terminals participating in the current communication applying for service keys from the quantum key distribution network; the quantum key distribution network obtaining addresses of the centralized control stations participating in service key distribution during the current communication, designating a service key generation centralized control station according to a current state indicator of each centralized control station; the service key generation centralized control station generating service keys required in the current communication and distributing the keys to the mobile terminals participating in the current communication.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: May 16, 2017
    Assignees: QUANTUMCTEK CO., LTD., SHANDONG INSTITUTE OF QUANTUM SCIENCE AND TECHNOLOGY CO., LTD
    Inventors: Yong Zhao, Chunhua Liu