Patents by Inventor Xianda LIU

Xianda 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).

  • Publication number: 20210288767
    Abstract: A method for operating an access node includes sending a configuration of one or more first channel state information reference signal (CSI-RS) resources and a configuration of one or more sounding reference signal (SRS) resources, generating first control information including an identifier of a SRS resource set that includes the one or more SRS resources precoded by one or more precoders, generating second control information including an identifier of the one or more first CSI-RS resources, wherein the one or more first CSI-RS resources are associated with the identified SRS resource set, wherein the one or more first CSI-RS resources convey a downlink reference signal (RS) used for making measurements, and wherein the one or more precoders are determined in accordance with measurements of the downlink RS, sending the first control information and the second control information, and sending the downlink RS.
    Type: Application
    Filed: May 21, 2021
    Publication date: September 16, 2021
    Inventors: Bin Liu, Xianda Liu, Kunpeng Liu, Young Hoon Kwon
  • Patent number: 11102226
    Abstract: The present invention relates to a dynamic security method and system based on multi-fusion linkage response. In the method, a site control device conducts active response and passive response through identity authentication and key management to give an alarm for abnormal behaviors. The system comprises an access authentication active response module, an access control active response module, an access control passive response module, an abnormal pretending passive response module, a key vulnerability passive response module and an abnormal state passive response mechanism module. On the basis of ensuring validity and feasibility for the security of a terminal device, the present invention can build a secure and trusted industrial control system operating environment.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: August 24, 2021
    Assignee: SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
    Inventors: Haibin Yu, Peng Zeng, Jianming Zhao, Xianda Liu, Chunyu Chen, Tianyu Wang
  • Patent number: 11093258
    Abstract: The present invention discloses a method for trusted booting of PLC based on a measurement mechanism, comprising the following steps: a step of initializing self firmware verification; a step of reading and computing firmware information about a PLC; a step of checking and storing one by one; and a step of verifying at the operation start stage. In the method of the present invention, a chip with a trusted function is used as a core of hardware computation. The PLC extends a Flash bus for loading by hardware of the method of the present invention. The hardware of the method of the present invention recognizes necessary boot information, verifies the integrity of the boot loader necessary for the PLC system through the integrity check method and ensures that the booted PLC system is in a trusted state. On the basis of ensuring validity and feasibility for the safety of a terminal device, the present invention can build a safe and trusted industrial control system operating environment.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: August 17, 2021
    Assignee: SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
    Inventors: Jianming Zhao, Xianda Liu, Tianyu Wang, Bowen Zhang, Chunyu Chen, Peng Zeng, Haibin Yu
  • Publication number: 20210250206
    Abstract: This application provides an information receiving method and apparatus, and an information sending method and apparatus. The method includes: sending configuration information, where the configuration information is used to indicate a target sounding reference signal SRS resource, the target SRS resource is associated with K channel state information reference signal CSI-RS resources, K is an integer greater than 1, and the K CSI-RS resources are used to determine a precoding scheme used for an SRS carried on the target SRS resource; and receiving the SRS carried on the target SRS resource.
    Type: Application
    Filed: April 16, 2021
    Publication date: August 12, 2021
    Inventors: Xianda Liu, Di Zhang, Kunpeng Liu
  • Publication number: 20210250152
    Abstract: An information transmission method includes: A terminal receives first signaling, where the first signaling includes a first field, a state value of the first field is used to indicate a first spatial relation parameter for receiving a first channel, the state value of the first field is a candidate state value corresponding to the first field, and at least one of the candidate state values corresponds to two or more spatial relation parameters. The terminal obtains one or more target spatial relation parameters in the first spatial relation parameter, and receives the first channel based on the one or more target spatial relation parameters. In this method, the terminal receives the first channel by receiving the first signaling sent by a base station and obtaining a target spatial relation parameter.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 12, 2021
    Inventors: Di Zhang, Kunpeng Liu, Xianda Liu, Xiang Gao
  • Publication number: 20210235386
    Abstract: A signal transmission method, a related device, and a system are provided. The method includes: A terminal receives configuration information, where the configuration information indicates N sets of power control parameters configured for M uplink resources or uplink resource sets, where M?1, M is a positive integer, N>1, and N is a positive integer; and the terminal transmits an uplink signal on the M uplink resources or uplink resource sets, where transmission power for transmitting the uplink signal on the M uplink resources or uplink resource sets is determined based on a first power control parameter, and the first power control parameter is selected from the N sets of power control parameters. According to the foregoing solution, uplink transmission power can be more flexibly adjusted, and power efficiency in uplink transmission and uplink transmission performance can be maximized.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 29, 2021
    Inventors: Di ZHANG, Xianda LIU, Jianqin LIU
  • Publication number: 20210227472
    Abstract: This application provides a data transmission method and apparatus. The method includes: A terminal device determines an actual transmit power for first uplink data based on a determined channel transmit power and a transmission parameter. The actual transmit power is less than or equal to the channel transmit power, and the transmission parameter includes one or more of parameters that can be used to indicate a location of the terminal device. The terminal device sends the first uplink data at the actual transmit power. Therefore, the terminal device may determine the actual transmit power for the uplink data based on the channel transmit power and various transmission parameters that can indicate whether the terminal device is located at a cell edge, so that the actual transmit power for the uplink data can be flexibly adjusted, thereby improving data transmission reliability.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 22, 2021
    Inventors: Xianda LIU, Liuliu JI, Kunpeng LIU
  • Publication number: 20210219129
    Abstract: The present disclosure relates to power indication methods and apparatus. In one example method, a terminal generates antenna transmit capability information, where the antenna transmit capability information is used to indicate whether a maximum transmit power value of each transmit antenna port of the terminal reaches a preset power value, or the antenna transmit capability information is used to indicate a maximum transmit power value of each transmit antenna port of the terminal. Then, the terminal sends the antenna transmit capability information to a network device.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Xianda LIU, Kunpeng LIU
  • Publication number: 20210212071
    Abstract: A resource configuration method and a communications apparatus are disclosed. The method includes: After determining a first resource set that does not carry information bits included in any one of N codewords and a second resource set that does not carry information bits included in a part of the N codewords, a network device sends, to a terminal device, first information used to indicate configuration information of the first resource set and second information used to indicate configuration information of the second resource set. The terminal device receives the first information and the second information, and determines the first resource set and the second resource set. In the foregoing technical solution, a rate matching resource (the first resource set) common to the N codewords and a rate matching resource (the second resource set) dedicated to the part of the N codewords are configured.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 8, 2021
    Inventors: Xianda LIU, Kunpeng LIU
  • Publication number: 20210204260
    Abstract: This application provides an example communication method and an example apparatus. The method includes a first network device generates first indication information to indicate a first downlink resource. Second indication information indicates a second downlink resource. Because the first indication information may indicate whether the second indication information exists, if a terminal device detects the first indication information in the first time unit, and the first indication information indicates that the second indication information does not exist in the first time unit, the terminal device may stop a blind detection process on the second indication information in advance.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Inventors: Xianda LIU, Kunpeng LIU, Xu ZHANG, Leiming ZHANG, Xiang GAO, Yongxing ZHOU
  • Publication number: 20210167829
    Abstract: This application provides a channel state information reporting method and apparatus. The method includes: A terminal device receives M pieces of downlink control information, where first downlink control information in the M pieces of downlink control information indicates a first channel state information configuration, the first channel state information configuration is associated with a first channel state information interference measurement CSI-IM resource group, and the first CSI-IM resource group includes N1 CSI-IM resources, where M and N1 are positive integers, and N1 is greater than 1; and the terminal device measures a target CSI-IM resource, and reports channel state information, where the target CSI-IM resource is determined by the terminal device from the N1 CSI-IM resources based on M, and a quantity of target CSI-IM resources is less than N1.
    Type: Application
    Filed: February 9, 2021
    Publication date: June 3, 2021
    Inventors: Xueru LI, Ruiqi ZHANG, Kunpeng LIU, Xianda LIU, Yongxing ZHOU
  • Patent number: 11025388
    Abstract: A method for operating an access node includes sending a configuration of one or more first channel state information reference signal (CSI-RS) resources and a configuration of one or more sounding reference signal (SRS) resources, generating first control information including an identifier of a SRS resource set that includes the one or more SRS resources precoded by one or more precoders, generating second control information including an identifier of the one or more first CSI-RS resources, wherein the one or more first CSI-RS resources are associated with the identified SRS resource set, wherein the one or more first CSI-RS resources convey a downlink reference signal (RS) used for making measurements, and wherein the one or more precoders are determined in accordance with measurements of the downlink RS, sending the first control information and the second control information, and sending the downlink RS.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: June 1, 2021
    Assignee: Futurewei Technologies, Inc.
    Inventors: Bin Liu, Xianda Liu, Kunpeng Liu, Young Hoon Kwon
  • Publication number: 20210065021
    Abstract: The present invention relates to a working condition state modeling and model correcting method, comprising collecting data, and arranging the data in a chronological order to form a time sequence data set; preprocessing the time sequence data set; clustering the preprocessed time sequence data set, computing a central point data set of the duster, and generating a working condition data set and a working condition process data set; counting a working condition transition probability for the working condition process data set to form a working condition transition probability model data set; collecting the data, and detecting and processing the data; computing a working condition state transition mode phase by phase and processing.
    Type: Application
    Filed: February 21, 2019
    Publication date: March 4, 2021
    Applicant: SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
    Inventors: Wenli SHANG, Peng ZENG, Xianda LIU, Jianming ZHAO, Long YIN, Chunyu CHEN, Jiansong AO, Guoyu TONG
  • Publication number: 20200120640
    Abstract: Embodiments of the present invention disclose a signaling receiving method and a related device. The method includes: determining, by a terminal based on resource unit allocation signaling, locations of S resource units in a system bandwidth that are scheduled to the terminal; grouping, by the terminal, the S resource units into K resource groups, where a quantity of resource units that separate any resource unit in a first resource group from any resource unit in a second resource group in the system bandwidth is not less than a threshold M; and precoding, by the terminal by using N precoding matrices, data sent in N resource unit sets, where resource units included in each of the N resource unit sets are determined based on the K resource groups, and S, K, and M are all positive integers.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Xianda LIU, Kunpeng LIU
  • Publication number: 20200119783
    Abstract: A terminal device may receive precoding indicator information, where the precoding indicator information includes K first indicators and one second indicator. The terminal device determines K first precoding matrices based on the K first indicators, and determines a second precoding matrix based on the second indicator, where K is a positive integer. The terminal device precodes, by using the K first precoding matrices, data sent in K first frequency bands, to obtain precoded first data, and precodes, by using the second precoding matrix, data sent in a second frequency band, to obtain precoded second data. The K first frequency bands are located in some frequency bands in a physical uplink shared channel (PUSCH) scheduling frequency band. The second frequency band is a frequency band in the PUSCH scheduling frequency band other than the K first frequency bands.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 16, 2020
    Inventors: Xianda LIU, Kunpeng LIU
  • Publication number: 20200067663
    Abstract: This application provides a data transmission method, terminal device, and network device. The method includes: sending, by a terminal device, at least one precoded reference signal on at least one reference signal resource corresponding to a first PRG, where different precoding matrixes are used for different reference signals, and the first PRG is a PRG used to transmit a reference signal; receiving, by the terminal device, resource indication information, where the resource indication information indicates a reference signal resource that is corresponding to a second PRG and that is in the at least one reference signal resource, and the second PRG is a PRG used to transmit a physical uplink shared channel (PUSCH); and sending, by the terminal device, a precoded PUSCH on the second PRG based on the resource indication information, where a precoding matrix used for the PUSCH is a precoding matrix used for a reference signal sent on the reference signal resource corresponding to the second PRG.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 27, 2020
    Inventors: Xianda LIU, Kunpeng LIU, Ruiqi ZHANG, Xueru LI
  • Publication number: 20200042747
    Abstract: The present invention relates to a security processing unit of PLC and a bus arbitration method thereof, to provide PLC with an active defense means to build a PLC hardware and software security layer. On a hardware security layer, a part of hardware processing mechanism is added to support trusted measurement, encryption algorithms and signature algorithms, and a virtual isolation technology is used; and on a software security layer, transparent encryption and decryption, integrity verification, backup recovery and virtual isolation security mechanism are provided. The security processing aspect is improved to achieve the purpose of security and reliability. The present invention can correctly establish a trusted environment of PLC to ensure that PLC is guided by a strictly verified path. A new star type trusted structure is designed to reduce loss during information transmission and increase information transmission efficiency.
    Type: Application
    Filed: June 7, 2018
    Publication date: February 6, 2020
    Inventors: Haibin YU, Peng ZENG, Wenli SHANG, Xianda LIU, Jianming ZHAO, Long YIN, Chunyu CHEN
  • Publication number: 20200042711
    Abstract: A method for starting a trusted embedded platform based on TPM industrial control includes taking a Core Root of Trust Measurement (CRTM) as a source of a trust chain and executing CRTM after electrifying an embedded platform; conducting trust measurement of BIOS and starting BIOS after passing measurement; BIOS measuring Bootloader and extending a measured value into PCR corresponding to TPM; after passing the measurement, transferring a control execution right to Bootloader; and Bootloader measuring OS kernel start process, recording a measured value into PCR of TPM, and executing a start flow of OS after passing the measurement. The method performs measurement before start of each part of a start process, and measured values are also stored in the PCR corresponding to TPM. When the start process is tampered by an attacker, an integrity measurement mechanism terminates the execution of a program, thereby ensuring the security of the embedded platform.
    Type: Application
    Filed: May 7, 2018
    Publication date: February 6, 2020
    Inventors: Haibin YU, Peng ZENG, Wenli SHANG, Jianming ZHAO, Xianda LIU, Long YIN, Chunyu CHEN
  • Publication number: 20200045023
    Abstract: The present invention relates to a network guard unit for an industrial embedded system and a guard method. The specific method is to form the network guard unit (NGU) through security technologies, such as integrated access control, identity authentication and communication data encryption, to provide active guard for a site control device. The NGU comprises an access control module, an identity authentication module, a data encryption module, a key negotiation module and a PCIE communication module, and supports the communication modes of dual network cards and PCIE bus. The present invention builds a secure and trusted operating environment for industrial control systems in combination with an active guard technical means in the field of information security on the basis of ensuring the correctness and the feasibility of security of various terminal devices in the industrial control systems.
    Type: Application
    Filed: June 7, 2018
    Publication date: February 6, 2020
    Inventors: Haibin YU, Peng ZENG, Wenli SHANG, Long YIN, Xianda LIU, Jianming ZHAO, Chunyu CHEN
  • Publication number: 20190253444
    Abstract: The present invention relates to a dynamic security method and system based on multi-fusion linkage response. In the method, a site control device conducts active response and passive response through identity authentication and key management to give an alarm for abnormal behaviors. The system comprises an access authentication active response module, an access control active response module, an access control passive response module, an abnormal pretending passive response module, a key vulnerability passive response module and an abnormal state passive response mechanism module. On the basis of ensuring validity and feasibility for the security of a terminal device, the present invention can build a secure and trusted industrial control system operating environment.
    Type: Application
    Filed: May 7, 2018
    Publication date: August 15, 2019
    Inventors: Haibin YU, Peng ZENG, Wenli SHANG, Jianming ZHAO, Xianda LIU, Long YIN, Chunyu CHEN