Patents by Inventor Yijian Chen

Yijian Chen 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: 20210021318
    Abstract: Provided is a method for determining precoding. The method includes configuring, by a first communication node, configuration information for a second communication node; transmitting the configuration information to the second communication mode; and the configuration information includes: first configuration information and second configuration information. Further provided is a device for determining precoding, an electronic device and a storage medium.
    Type: Application
    Filed: January 30, 2019
    Publication date: January 21, 2021
    Inventors: Yong LI, Zhaohua LU, Chuangxin JIANG, Yijian CHEN, Yu Ngok LI, Hao WU, Jianxing CAI, Yuxin WANG, Huahua XIAO, Cong ZHOU
  • Publication number: 20210006315
    Abstract: Disclosed are methods, systems and devices for channel state information feedback to facilitate, for example, high-performance beamforming or precoding in multiple input multiple output (MIMO) systems. One example method includes performing multiple transmissions of a channel measurement report on multiple transmission occasions. Another example method includes performing multiple receptions of a channel measurement report on multiple reception occasions, where the multiple receptions at a network node correspond to multiple transmissions from a wireless device. In both exemplary methods, a timing of the multiple transmissions is based on at least one of a number of the multiple transmission occasions, a time gap between adjacent transmission occasions of the multiple transmission occasions, and one or more timeslots that include the multiple transmission occasions.
    Type: Application
    Filed: September 22, 2020
    Publication date: January 7, 2021
    Inventors: Hao WU, Zhaohua LU, Yu Ngok LI, Yijian CHEN, Chuangxin JIANG
  • Publication number: 20200413433
    Abstract: Methods, systems, and devices related to related to a two-stage transmission of downlink control messages for reducing signaling overhead are described. In one representative aspect, a method for wireless communication includes receiving, at a mobile device, a message from a wireless communication node. The message includes a first portion of a scheduling indication for scheduling a transmission. The method also includes determining, by the mobile device, a second portion of the scheduling indication based on one or more predetermined rules; determining, by the mobile device, the scheduling indication based on the first portion of the scheduling indication included in the message and the second portion of the scheduling indication; and performing, by the mobile device, the transmission based on the scheduling indication.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Inventors: Chuangxin JIANG, Hao WU, Yu Ngok LI, Shujuan ZHANG, Nan ZHANG, Zhaohua LU, Yijian CHEN
  • Publication number: 20200413416
    Abstract: Methods, systems, and devices related to reducing signaling overhead for uplink transmissions are described. In one representative aspect, a method for wireless communication includes transmitting, from the wireless communication node, a first message to a mobile device. The first message identifies one or more resource groups that correspond to a transmission rank to be used by the mobile device for a data transmission from the mobile device to the wireless communication node. The one or more resource groups are selected from a set of candidate resource groups or a set of candidate resources. The method also includes receiving, at the wireless communication node, the data transmission having the transmission rank from the mobile device.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Inventors: Chuangxin JIANG, Yijian CHEN, Yu Ngok LI, Hao WU, Zhaohua LU
  • Publication number: 20200404662
    Abstract: Provided are a method and apparatus for scrambling a signal, a method and apparatus for descrambling a signal, a device for scrambling or descrambling a signal, and a storage medium. The method for scrambling a signal includes: a first transmission node determining first parameters for scrambling a signal to be transmitted or a signal group to be transmitted; the first transmission node scrambling the signal or the signal group according to the first parameters; and the first transmission node sending the scrambled signal or the scrambled signal group to a second transmission node, and notifying part or all of the first parameters to the second transmission node through first signaling.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 24, 2020
    Applicant: ZTE CORPORATION
    Inventors: Nan ZHANG, Yijian CHEN, Chuangxin JIANG, YuNgok LI, Zhaohua LU, Shujuan ZHANG
  • Publication number: 20200403677
    Abstract: Provided are methods and devices for sending and receiving a channel state information (CSI) report, and electronic devices. The method for sending a CSI report includes that a terminal determines priorities of M CSI reports, where M is a natural number not less than 1; an available channel resource is selected from a channel resource set for receiving the M CSI reports, where the channel resource set includes J channel resources supporting reception of the M CSI reports and J is a natural number not less than 1; and at least one CSI report is transmitted according to the priorities by using the available channel resource.
    Type: Application
    Filed: January 30, 2019
    Publication date: December 24, 2020
    Applicant: ZTE CORPORATION
    Inventors: Hao WU, Yu Ngok LI, Chuangxin JIANG, Shujuan ZHANG, Yijian CHEN, Zhaohua LU
  • Publication number: 20200389879
    Abstract: Provided are transmission parameter determination method and device, and storage medium.
    Type: Application
    Filed: March 26, 2018
    Publication date: December 10, 2020
    Inventors: Shujuan ZHANG, Yijian CHEN, Yu Ngok LI, Zhaohua LU
  • Patent number: 10855343
    Abstract: Provided are a method, apparatus and system for acquiring a codebook, the method including: generating, by a base station, a codebook corresponding to Nt ports and r layers transmission according to a first preset condition, the codebook being for feeding back a preceding matrix, the first preset condition being a common set condition between the base station and a terminal, Nt being a port number, and r being a transmission layer number; determining, by the base station, a signaling indication method for selecting a codebook subset corresponding to the codebook according to a second preset condition; and acquiring, by the base station, Codebook Subset Selection (CSS) signaling for selecting the codebook subset correspondingly according to the signaling indication method, and notifying the selected codebook subset to a terminal through the CSS signaling.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: December 1, 2020
    Assignee: ZTE CORPORATION
    Inventors: Yijian Chen, Yu Ngok Li, Huahua Xiao, Jianxing Cai, Zhaohua Lu, Yong Li, Yuxin Wang
  • Publication number: 20200367308
    Abstract: Disclosed are a method and apparatus for sending beam recovery information, and a beam detection method and apparatus. The method for sending beam recovery information includes sending first beam recovery information, detecting downlink control information, and sending second beam recovery information according to a control information transmission configuration corresponding to the detected downlink control information.
    Type: Application
    Filed: September 27, 2018
    Publication date: November 19, 2020
    Inventors: Yijian CHEN, Bo GAO, Zhaohua LU, Yu Ngok LI
  • Patent number: 10841058
    Abstract: A method and device for notifying and determining DMRS ports or a mapping relationship is provided. The method includes a sending end sending indication information to a receiving end in a TM, and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: RRC signaling, physical layer NDI bit, and DMRS pilot scrambler configuration information nscid. A problem of influence on a performance of a MU-MIMO system caused by lower channel estimation performance due to limited orthogonal DMRS ports for MU-MIMO transmission and high MUI after increment of a total number of MU-MIMO transmission layers is solved.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: November 17, 2020
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Shujuan Zhang, Yijian Chen, Yu Ngok Li, Wenhao Liu
  • Patent number: 10833746
    Abstract: Disclosed are a method and device for transmitting a channel state information-reference signal, a processor and a storage medium. The method includes: determining, by a base station, channel state information-reference signal, where the channel state information-reference signal at least includes the number of CSI-RS ports and information of components, the CSI-RS ports are used for transmitting the CSI-RS, and a CSI-RS resource is used for carrying the CSI-RS; sending, by the base station, the information of the CSI-RS to a terminal; and transmitting, by the base station, the CSI-RS. In such a way, the technical problems in the related art of poor channel measurement performance and high system complexity are solved.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: November 10, 2020
    Assignee: ZTE CORPORATION
    Inventors: Yong Li, Zhaohua Lu, Hao Wu, Chuangxin Jiang, Yuxin Wang, Huahua Xiao, Yijian Chen
  • Publication number: 20200351071
    Abstract: Provided in the present disclosure are a method and apparatus for sending a signal, a method and apparatus for receiving a signal, and a storage medium. The method for sending the signal includes: configuring or appointing multiple sending manners or conflict processing manners for a first signal; when there is a second signal conflicting with the first selecting a sending manner or a conflict processing manner for the first signal according to determination information; and sending the first signal according to the sending manner or the conflict processing manner.
    Type: Application
    Filed: December 14, 2018
    Publication date: November 5, 2020
    Inventors: Yijian CHEN, Zhaohua LU, Chen LU
  • Publication number: 20200344011
    Abstract: Provided are a hybrid automatic repeat request (HARQ) feedback processing method, a signal processing method, a communication node and a computer-readable storage medium. In the HARQ feedback processing method, flexibility of a system is improved by setting flexible HARQ feedback time, and specifically, a control signal including HARQ feedback time indication information is generated in a certain manner; in the signal processing method, different communication channels are respectively allocated for reference signal activation information and reference signal deactivation information, so that channel environment compatibility is improved, the decoding success rate of a control channel is improved, and the performance of a fifth-generation mobile communication system is improved.
    Type: Application
    Filed: September 4, 2018
    Publication date: October 29, 2020
    Inventors: Zhaohua LU, Yijian CHEN, Chuangxin JIANG
  • Publication number: 20200343959
    Abstract: Provided are an information transmission and receiving method and device, a storage medium and an electronic apparatus. The information transmission method includes: transmitting at least two pieces of the following information in a multiplexing manner on a physical channel: channel state information (CSI), first control information or data information. The first control information includes at least one of: hybrid automatic retransmission request acknowledgement (HARQ-ACK) information or scheduling request (SR) information.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 29, 2020
    Inventors: Hao WU, Yu Ngok LI, Zhaohua LU, Yijian CHEN, Xianghui HAN
  • Publication number: 20200336256
    Abstract: Provided are an information processing method, a communication device and a storage medium. The information processing method which is applied to a first communication device includes: sending X sets of parameter values jointly encoding M types of transmission parameters, where the M types of transmission parameters include a beam indication and/or a quasi-co-location indication parameter, where the beam indication is used for indicating a beam, the quasi-co-location indication parameter is used for indicating a parameter of the beam, and M>1; selecting Y sets of parameter values from the X sets of parameter values, where X>=Y>=1; and sending a selection indication based on the Y sets of parameter values, where the selection indication is used for selecting the Y sets of parameter values from the X sets of parameter values for a data transmission.
    Type: Application
    Filed: February 20, 2020
    Publication date: October 22, 2020
    Inventors: Yijian Chen, Zhaohua Lu, Yu Ngok Li, Hao Wu, Bo Gao
  • Publication number: 20200333221
    Abstract: A strain and acoustic wave testing device includes an acoustic wave transmitting terminal, an upper pressure-bearing shaft, corundum ejector pins, an upper displacement slide, a lower displacement slide, a heat insulation shell, a carbon fiber sleeve, a rock sample, a lower pressure-bearing shaft, an acoustic wave receiving terminal, a lower copper electrode, pearl powder, a temperature sensor, a transformer, a temperature-acoustic wave control box, an oscilloscope, an upper copper electrode, and a data collection and processing system.
    Type: Application
    Filed: September 27, 2017
    Publication date: October 22, 2020
    Applicant: SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Gao LI, Ze CHEN, Yijian CHEN, Xin YU, Dong LIU, Yi ZHANG
  • Patent number: 10812239
    Abstract: A method and apparatus for information reporting as well as a method and apparatus for information transmission are provided. The method for information reporting includes: receiving, by a second communication node, a reference signal from a first communication node, to determine a reference signal-related index and/or channel state information; reporting, by the second communication node, a set to the first communication node, and the set includes at least one of: the reference signal-related index and the channel state information. This technical solution solves the problems of low flexibility and poor adaptability of beam-related information reporting in the related art; the second communication node reports its own capability, so that the first communication node can indicate a beam reporting that meets to user capability, thereby improving the stability of beam-related information reporting.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 20, 2020
    Assignee: ZTE CORPORATION
    Inventors: Bo Gao, Yu Ngok Li, Yijian Chen, Zhaohua Lu, Yifei Yuan, Xinhui Wang
  • Patent number: 10794180
    Abstract: A mineshaft-stratum fracture coupled flowing simulation experiment device includes a simulated mineshaft flowing system, a simulated stratum system, a simulated fracture system and a data acquisition system. The simulated mineshaft flowing system includes simulated mineshaft, simulated drilling rod, drilling fluid storage tank, stirring motor, and drilling fluid screw pump. The simulated drilling rod is located in center of the simulated mineshaft. The stirring motor is provided in the drilling fluid storage tank. The drilling fluid screw pump is connected to an inlet end of the simulated drilling rod through the drilling fluid storage tank. The simulated stratum system includes simulated stratum, clean water storage tank, separation tank, gas storage tank, gas air-compressor, and clean water screw pump. The gas storage tank is connected to the gas air-compressor and is connected to the simulated stratum through a gas pressure regulating valve.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: October 6, 2020
    Assignee: SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Gao Li, Yi Feng, Shunhui Yang, Yijian Chen, Na Wei, Yingfeng Meng, Rui Li
  • Publication number: 20200314854
    Abstract: Disclosed are a method and apparatus for transmitting downlink control information, and a method and apparatus for detecting downlink control information. The method for transmitting downlink control information includes: a base station configures available transmission resources of multiple types of long-term downlink control information, where in the multiple types of downlink control information, a subset relation exists between time domain resources of available transmission resources of at least two types of long-term downlink control information; the base station transmits the multiple types of long-term downlink control information on the available transmission resources.
    Type: Application
    Filed: September 30, 2018
    Publication date: October 1, 2020
    Inventors: Yijian CHEN, Zhaohua LU, Yu Ngok LI, Nan ZHANG
  • Publication number: 20200314865
    Abstract: An exemplary embodiment describes a wireless communication method to selectively operate, based on an inconsistency condition, a transmitting end in one of a first mode and a second mode. When inconsistency is absent, the transmitting end can transmit in the first mode in which the transmitting end schedules transmission resources for interference assessment on a same time unit as data or control transmissions. Upon detection of inconsistency, the transmitting end can transmit in the second mode in which the transmission resources for determining interference are scheduled to occupy different time units than data or control transmissions.
    Type: Application
    Filed: May 16, 2020
    Publication date: October 1, 2020
    Inventors: Yijian Chen, Zhaohua Lu, Yu Ngok Li, Hao Wu