Patents by Inventor Runhua Chen

Runhua 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).

  • Patent number: 10899635
    Abstract: A seawater desalination device of industrial exhaust heat-driven ejector refrigeration and an application method thereof. The seawater desalination device comprises a seawater collecting pool, a low-pressure seawater storage tank, an ejector refrigeration system and a fresh water storage tank which are fluidly connected; the ejector refrigeration system comprising a nozzle for spraying low-pressure vapor, a mixing chamber, a diffuser, a first heat-exchanger, a condenser, a condensate pump and a generator; bottom of the low-pressure seawater storage tank being connected with a second heat-exchanger; the mixing chamber being connected with the nozzle, the diffuser and the low-pressure seawater storage tank, respectively; and the diffuser, the first heat-exchanger, the condenser and the fresh water storage tank being successively connected.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: January 26, 2021
    Assignee: Dongguan University of Technology
    Inventors: Runhua Jiang, Huibin Yin, Baiman Chen, Yanxue Zhou
  • Patent number: 10892805
    Abstract: Disclosed are a beam scanning method and a related device, used for solving the problem that, during the existing process of determining the optimal transceiving beam by performing traversal search on a combination of potential transceiving beams, a large amount of system overhead needs to be occupied, thus reducing the system efficiency and the adaptability to a time-varying channel. The method comprises: a first communication node determines at least one transmitted beam according to the optimal receiving beam group between a receiver of the first communication node and a transmitter of a second communication node; the first communication node sequentially sends a signal to the second communication node by means of the transmitter according to the determined at least one transmitted beam until the optimal transmitted beam is determined.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: January 12, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xin Su, Qiubin Gao, Runhua Chen, Tamrakar Rakesh, Chuanjun Li, Mengjun Wang, Hui Li, Qiuping Huang
  • Publication number: 20210007089
    Abstract: Systems and methods for fall-back rate-matching and timing for user equipment (UE) configured for downlink (DL) Coordinated Multi-Point Transmission (CoMP) are disclosed. In one embodiment, when a UE configured in DL CoMP receives a fall-back transmission, PDSCH is rate-matched around the serving cell CRS. In an alternative embodiment, when a UE configured in DL CoMP receives a fall-back transmission, PDSCH is rate-matched or uses timing around one of the cell-specific reference symbol (CRS) resource element (RE) set indicated by RRC-higher layer signaling. For example, PDSCH may be rate-matched or use timing around the first RRC higher layer configured CRS RE set.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventor: Runhua Chen
  • Patent number: 10879971
    Abstract: Disclosed are methods and apparatuses for transmitting coding indication information and determining a pre-coding matrix, for use in resolving the problem that the resolution of code words in a codebook generated by using a combination of a beam vector subgroup and column selection cannot be flexibly adjusted.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: December 29, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Hui Li, Qiubin Gao, Runhua Chen, Wenhong Chen, Tamrakar Rakesh
  • Publication number: 20200395992
    Abstract: A beam control method, a base station and a user equipment are provided. The method includes: determining, by a base station, a type of a physical channel; and transmitting or receiving, by the base station, a signal of the physical channel by using a corresponding type of beam according to the type of the physical channel.
    Type: Application
    Filed: March 21, 2018
    Publication date: December 17, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Chuanjun LI, Xin SU, Qiubin GAO, Rakesh TAMRAKAR, Runhua CHEN, Hui LI, Qiuping HUANG, Mengjun WANG
  • Publication number: 20200389279
    Abstract: An electronic device includes a first circuit (111) operable to generate at least a first and a second channel quality indicator (CQI) vector associated with a plurality of subbands for each of at least first and second spatial codewords respectively and generate a first and a second reference CQI for the first and second spatial codewords, and operable to generate a first and a second differential subbands CQI vector for each spatial codeword and generate a differential between the second reference CQI and the first reference CQI, and further operable to form a CQI report derived from the first and the second differential subbands CQI vector for each spatial codeword as well as the differential between the second reference CQI and the first reference CQI; and a second circuit (113) operable to initiate transmission of a signal communicating the CQI report. Other electronic devices, processes and systems are also disclosed.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Inventors: Runhua Chen, Eko Nugroho Onnosanusi
  • Patent number: 10862644
    Abstract: The present disclosure provides a reference signal transmission method, a transmitter and a receiver. The reference signal transmission method includes: precoding, by a transmitter, a data stream for user data through a second precoding matrix so as to acquire D virtual data streams; precoding, by the transmitter, the D virtual data streams through a first precoding matrix, and transmitting the D precoded virtual data streams to a receiver via T antenna groups, each antenna group including one or more antenna units or antenna ports having a same phase noise; transmitting, by the transmitter, D demodulation reference signals to the receiver; and transmitting, by the transmitter, M phase-tracking reference signals to the receiver, the M phase-tracking reference signals being adopted to track phase changes in the T antenna groups caused by one or more phase noise sources.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 8, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Hui Li, Qiubin Gao, Rakesh Tamrakar, Xin Su, Runhua Chen, Qiuping Huang, Chuanjun Li, Mengjun Wang
  • Publication number: 20200373978
    Abstract: Channel state information (CSI) feedback in a wireless communication system is disclosed. A precoding matrix is generated for multi-antenna transmission based on precoding matrix indicator (PMI) feedback, wherein the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first codebook and a second codebook. In one embodiment, the first codebook comprises at least a first precoding matrix constructed with a first group of adjacent Discrete-Fourier-Transform (DFT) vectors. In another embodiment, the first codebook comprises at least a second precoding matrix constructed with a second group of uniformly distributed non-adjacent DFT vectors.
    Type: Application
    Filed: August 10, 2020
    Publication date: November 26, 2020
    Inventors: Eko Onggosanusi, Runhua Chen, Ralf Bendlin
  • Publication number: 20200366429
    Abstract: A data transmission method, a base station, and a terminal are provided. The method corresponding to the base station includes sending SRS resource configuration information for uplink channel quality measurement and configuration information of a transmission layer quantity, wherein the configuration information of the transmission layer quantity includes a set of maximum quantities of transmission layers allowed to be transmitted by a terminal or the quantity of layers allowed to be transmitted by the terminal; determining uplink transmission indication information; determining a payload corresponding to the uplink transmission indication information according to the SRS resource configuration information and the configuration information of the transmission layer quantity; sending the uplink transmission indication information to the terminal using the payload.
    Type: Application
    Filed: August 10, 2018
    Publication date: November 19, 2020
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Qiuping HUANG, Qiubin GAO, Rakesh TAMRAKAR, Runhua CHEN, Xin SU, Hui LI, Mengjun WANG
  • Publication number: 20200366357
    Abstract: A method of operating a communication system is disclosed. The method includes transmitting a plurality of channel state information reference signal (CSI-RS) sub-resources and a plurality of mode configuration signals to a remote transceiver. The method further includes receiving channel state information (CSI) signals according to the mode configuration signals for the respective sub-resources.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Inventor: Runhua Chen
  • Patent number: 10826574
    Abstract: The beam processing method for use in the base station includes: transmitting a first downlink transmission beam training signal to a UE, and receiving first recommended beam-related information reported by the UE in accordance with the first downlink transmission beam training signal; transmitting a second downlink transmission beam training signal to the UE, and receiving second recommended beam-related information reported by the UE in accordance with the second downlink transmission beam training signal; determining a target downlink transmission beam in accordance with the first recommended beam-related information and the second recommended beam-related information; and performing a switching operation on one or more currently-adopted valid downlink transmission beams in accordance with the target downlink transmission beam.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: November 3, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Qiubin Gao, Runhua Chen, Rakesh Tamrakar, Xin Su, Qiuping Huang
  • Patent number: 10826580
    Abstract: The embodiments of the present disclosure provide a method and a device for constraining a codebook subset. The method includes steps of: determining codebook subset constraint parameters for all or parts of matrix sets for constructing a codebook respectively, each codebook subset constraint parameter indicating an available matrix in a corresponding matrix set; and transmitting the determined codebook subset constraint parameters to a UE. The number of the matrices in each matrix set for constructing the codebook is far less than the number of precoding matrices in the codebook.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: November 3, 2020
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Qiubin Gao, Shanzhi Chen, Wenhong Chen, Hui Li, Runhua Chen, Rakesh Tamrakar
  • Publication number: 20200343961
    Abstract: Disclosed are an information transmission method and device for improving CSI feedback performance and providing finer CSI feedback. The information transmission method of the present invention comprises: determining a quantity of layers transmitted on a channel; and determining, according to the quantity of the layers transmitted on the channel, channel state information (CSI) fed back for the respective layers, and transmitting the same, and the CSI fed back for the respective layers comprises information about multi-level beams.
    Type: Application
    Filed: December 19, 2018
    Publication date: October 29, 2020
    Inventors: Deshan MIAO, Giubin GAO, Runhua CHEN, Tamrakar Rakesh
  • Patent number: 10812235
    Abstract: Disclosed are a reference signal mapping method and device, used for realizing a CSI-RS mapping of 16 or more ports, so as to realize a CSI-RS transmission of 16 or more ports. The method comprises: according to an N port reference signal pattern, determining that a channel state information reference signal (CSI-RS) is mapped on a resource unit RE, N being an integer greater than 16, wherein, an RE position, having one N port CSI-RS of the N port reference signal pattern mapped thereto, is determined according to an RE position having a CSI-RS in a plurality of groups of 8 port reference signal patterns mapped thereto, each S port in the N port is multiplexed with S code words of 8 code words using an 8-bit orthogonal spreading code, and the 8 port reference signal pattern is an 8 port CSI-RS pattern defined by 3GPP Rel-13; and performing resource mapping on the CSI-RS according to the determined RE.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: October 20, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Hui Li, Runhua Chen, Qiubin Gao, Tamrakar Rakesh, Qiuping Huang
  • Patent number: 10804979
    Abstract: Disclosed in the present invention are a method and device for acquiring and feeding back transmission beam information, comprising: a base station transmits, to a terminal, reference signals and information related to reference signal set division by using downlink transmission beams, wherein the base station transmits a reference signal for each downlink transmission beam, the reference signal of each beam is issued after being formed by using a beam forming weight corresponding to the beam, and the reference signals transmitted using the downlink transmission beams from the same beam group are divided into a reference signal set; the terminal selects Q reference signals from the received reference signals according to the reception quality and according to the information related to reference signal set division, selects a downlink transmission beam combination, and reports to the base station.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: October 13, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Qiubin Gao, Runhua Chen, Tamrakar Rakesh
  • Patent number: 10804994
    Abstract: Disclosed in the present application are an antenna beam management method and related device, used for solving the problem in current large-scale antenna technology wherein the overhead of beam management control signaling is large. The method is: a terminal sending related information of a downlink beam of the terminal to a base station so that the base station determines a first downlink sending beam on the basis of the related information of the downlink beam; the terminal receiving notification information related to the first downlink sending beam send by the base station, the notification information comprising indication information that is used by the terminal to determine at least one first downlink receiving beam; the terminal determining the at least one first downlink receiving beam on the basis of the notification information; and the terminal receiving a downlink signal on the basis of the at least one first downlink receiving beam.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 13, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Qiubin Gao, Runhua Chen, Tamrakar Rakesh, Xin Su, Chuanjun Li
  • Publication number: 20200314691
    Abstract: A method and apparatus of wireless communication between a base station and at least one user equipment. The method includes: transmitting an enhanced physical downlink control channel from the base station to the at least one user equipment using a demodulation reference signal antenna port; transmitting message from the base station to the at least one user equipment which is scheduled by the enhanced physical downlink control channel; receiving the message at the at least one user equipment; determining at the at least one user equipment whether the message was correctly received; and transmitting an ACK/NAK signal on an ACK/NAK resource determined from the enhanced physical downlink control channel from the at least one user equipment to the base station indicating whether the message was correctly received by the at least one user.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Inventors: Runhua Chen, Anthony E. Ekpenyong
  • Publication number: 20200313830
    Abstract: Within a wireless network, feedback information from user equipment (UE) to a control node (eNodeB) is necessary to support various functions. A UE receives an allocation from the eNodeB comprising a plurality of periodic transmission instances for a channel quality indicator (CQI) and a schedule comprising a plurality of periodic transmission instances for a rank indicator (RI), wherein the CQI comprises RI and other CQI fields. The UE then transmits an RI without transmitting the other CQI fields in a transmission instance allocated for both RI and other CQI fields.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Inventors: Zukang Shen, Tarik Muharemovic, Runhua Chen, Eko Nugroho Onggosanusi
  • Patent number: 10790890
    Abstract: Disclosed in the present invention are a channel state information (CSI) feedback method, a precoding method, a terminal and a base station. The channel state information (CSI) feedback method disclosed in the present invention comprises: a terminal selects a channel state information-reference signal (CSI-RS) resource or a CSI-RS port on a convention subband from among a CSI-RS resource set as configured in a base station according to downlink channel information; the terminal measures a channel quality indicator (CQI) according to the selected CSI-RS resource or CSI-RS port and a precoding matrix set corresponding to the selected CSI-RS resource or CSI-RS port, wherein the precoding matrix set includes one or more preceding matrices, and a physical resource on the convention subband corresponds to a precoding matrix in the precoding matrix set; and the terminal feeds back the CQI and indication information of the selected CSI-RS resource or CSI-RS port.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: September 29, 2020
    Assignee: China Academy of Telecommunications Technology
    Inventors: Wenhong Chen, Qiubin Gao, Hui Li, Runhua Chen, Tamrakar Rakesh
  • Publication number: 20200304181
    Abstract: Channel state information (CSI) feedback in a wireless communication system is disclosed. User equipment transmits a CSI feedback signal via a Physical Uplink Control CHannel (PUCCH). If the UE is configured in a first feedback mode, the CSI comprises a first report jointly coding a Rank Indicator (RI) and a first precoding matrix indicator (PMI1), and a second report coding Channel Quality Indicator (CQI) and a second precoding matrix indicator (PMI2). If the UE is configured in a second feedback mode, the CSI comprises a first report coding RI, and a second report coding CQI, PMI1 and PMI2. The jointly coded RI and PMI1 employs codebook sub-sampling, and the jointly coding PMI1, PMI2 and CQI employs codebook sub-sampling.
    Type: Application
    Filed: December 16, 2019
    Publication date: September 24, 2020
    Inventors: Runhua Chen, Eko Onggosanusi, Ralf M. Bendlin