Patents by Inventor Xudong Zhu

Xudong Zhu 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: 10673498
    Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: June 2, 2020
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Zhaocheng Wang, Xudong Zhu, Jinhui Chen
  • Patent number: 10637554
    Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: April 28, 2020
    Assignee: Sony Corporation
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20200119781
    Abstract: A communication device includes a processing circuit, the processing circuit being configured as: mapping a first information bit part used for a receiving end to a corresponding channel based on a pre-set mapping rule so as to execute spatial modulation with respect to the first information bit part of the receiving end; allocating a transmission power to the receiving end; and controlling the transmission power allocated through a mapped channel to transmit a second information bit part used for the receiving end. In the case of the first information bit parts used for multiple receiving ends being the same, the channels mapped for multiple receiving ends are the same. The multi-user spatial modulation performs spatial modulation for multiple receiving ends at the same time through a multiplexing channel of the transmitting end, improving the additional modulation order and the data transmission rate which can be obtained by each receiving end.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20200091974
    Abstract: A wireless communication method and a wireless communication device. The method includes: a sending side device generating a common sequence to send to a plurality of receiving side devices; each of the plurality of receiving side devices determining a first analog weight parameter according to a receiving situation of the common sequence, and determining an antenna configuration for sending a pre-determined pilot frequency signal corresponding to the receiving side device according to the determined first analog weight parameter to send the pre-determined pilot frequency signal to the sending side device; and the sending side device determining a second analog weight parameter regarding the receiving side device according to a receiving situation of the pre-determined pilot frequency signal, and determining an antenna configuration for sending data regarding the receiving side device according to the determined second analog weight parameter to send the data to the receiving side device.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 19, 2020
    Applicant: Sony Corporation
    Inventors: Peiyao ZHAO, Zhaocheng Wang, Xudong Zhu, Jinhui Chen
  • Publication number: 20200044719
    Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.
    Type: Application
    Filed: October 9, 2019
    Publication date: February 6, 2020
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jinhui CHEN
  • Patent number: 10536927
    Abstract: Embodiments of the present invention disclose triggering methods and apparatuses of aperiodic channel state information CSI and an aperiodic sounding reference signal SRS for a carrier aggregation system. The method comprises: (1) pre-assigning a corresponding relationship between bits of the CSI request field in an uplink grant and multiple downlink component carriers DL CCs of user equipment, wherein the number of bits of the CSI request field is greater than 1 and less than the maximum allowed number of DL CCs in the system; (2) determining the DL CC for which aperiodic CSI reporting is to be triggered; and (3) mapping the CSI request field in the uplink grant according to the pre-assigned corresponding relationship to mark the value of the bit corresponding to the determined DL CC as “trigger”.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: January 14, 2020
    Assignee: Alcatel Lucent
    Inventors: Jin Liu, Xudong Zhu
  • Patent number: 10530434
    Abstract: A wireless communication method and a wireless communication device. The method includes: a sending side device generating a common sequence to send to a plurality of receiving side devices; each of the plurality of receiving side devices determining a first analog weight parameter according to a receiving situation of the common sequence, and determining an antenna configuration for sending a pre-determined pilot frequency signal corresponding to the receiving side device according to the determined first analog weight parameter to send the pre-determined pilot frequency signal to the sending side device; and the sending side device determining a second analog weight parameter regarding the receiving side device according to a receiving situation of the pre-determined pilot frequency signal, and determining an antenna configuration for sending data regarding the receiving side device according to the determined second analog weight parameter to send the data to the receiving side device.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: January 7, 2020
    Assignee: Sony Corporation
    Inventors: Peiyao Zhao, Zhaocheng Wang, Xudong Zhu, Jinhui Chen
  • Patent number: 10491288
    Abstract: A wireless communication method and a wireless communication device. The wireless communication device includes: one or more processors, configured to generate multiple data flows, the multiple data flows being transmitted to one or more receivers through the first quantity of radio frequency links; and to configure an antenna control parameter, the antenna control parameter being used for dynamically allocating the second quantity of antennas to the first quantity of radio frequency links. The one or more processors configure the antenna control parameter for transmission to be performed, and any one of the second quantity of antennas can be allocated to any one of the first quantity of radio frequency links in a configurable manner.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: November 26, 2019
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20190341984
    Abstract: The disclosure is related to an electronic device, communication method and medium. The electronic device comprises processing circuitry. The processing circuitry is configured to determine a sub array of a curved surface array antenna associated with the electronic device to serve a target communication apparatus, based on a channel state between the curved surface array antenna and the target communication apparatus.
    Type: Application
    Filed: January 18, 2018
    Publication date: November 7, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190342050
    Abstract: An apparatus for wireless communication includes a classification unit and an allocation unit. The classification unit classifies communication devices in a cell where the apparatus is located, the communication devices are classified into a plurality of communication device groups including a first communication device group and a second communication device group. The allocation unit allocates pilot frequency sequences in a first pilot frequency group to the first communication device group, and allocates pilot frequency sequences in a second pilot frequency group to the second communication device group. When the number of the pilot frequency sequences is insufficient, a multiplexing configuration is executed, such as communication devices in the second communication device group multiplex at least one pilot frequency sequence in the second pilot frequency group.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jinhui CHEN
  • Publication number: 20190296812
    Abstract: An electronic device for a multi-antenna communication apparatus includes a processing circuit. The processing circuit is configured to: map a first information bit to a first reconstructed channel in a plurality of reconstructed channels associated with a plurality of antennas of a multi-antenna communication apparatus; and provide a reconstruction parameter corresponding to the first reconstructed channel, so as to reconstruct an actual channel from the multi-antenna communication apparatus to a peer communication apparatus to bear the first information bit, wherein the plurality of reconstructed channels are determined by configuring, based on a plurality of groups of reconstruction parameters, the plurality of antennas of the multi-antenna communication apparatus, so that the plurality of reconstructed channels have a low correlation with each other.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 26, 2019
    Applicant: Sony Corporation
    Inventors: Xudong Zhu, Zhaocheng Wang, Chen Sun
  • Patent number: 10425210
    Abstract: A method for transmitting uplink channel state information (CSI) in a coordinated multi-point (CoMP) system is provided, which includes coding and multiplexing operations. In a multiple input multiple output (MIMO) system, a method for transmitting CSI of multiple coordinated points according to an embodiment of the present invention includes coding the CSI of the multiple coordinated points, modulating the coded CSI of the multiple coordinated points, and multiplexing the modulated CSI on a physical uplink shared channel (PUSCH). Multiplexing a rank indicator (RI) in the CSI includes multiplexing different RIs for different uplink ranks, and multiplexing a channel quality indicator/precoding matrix indicator (CQI/PMI) in the CSI includes multiplexing the CQI/PMI in a code word with the highest modulation and coding order and in other code words.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: September 24, 2019
    Assignee: Alcatel Lucent
    Inventors: Jin Liu, Xudong Zhu
  • Patent number: 10411841
    Abstract: The present invention provides a method and apparatus for use in non-adaptive retransmission. The method comprises: configuring an uplink UL demodulation reference signal DM-RS for retransmission in response to a retransmission request. In one embodiment, the demodulation reference signal DM-RS is configured to be the same as a demodulation reference signal for an initial transmission. In another embodiment, the demodulation reference signal DM-RS is configured with respect to the number of layer(s) for retransmission according to predetermined rules for the initial transmission.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: September 10, 2019
    Assignee: Alcatel Lucent
    Inventors: Xudong Zhu, Jin Liu
  • Patent number: 10404431
    Abstract: An apparatus for wireless communication includes a classification unit and an allocation unit. The classification unit classifies communication devices in a cell where the apparatus is located, the communication devices are classified into a plurality of communication device groups including a first communication device group and a second communication device group. The allocation unit allocates pilot frequency sequences in a first pilot frequency group to the first communication device group, and allocates pilot frequency sequences in a second pilot frequency group to the second communication device group. When the number of the pilot frequency sequences is insufficient, a multiplexing configuration is executed, such as communication devices in the second communication device group multiplex at least one pilot frequency sequence in the second pilot frequency group.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: September 3, 2019
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Patent number: 10389417
    Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 20, 2019
    Assignee: SONY CORPORATION
    Inventors: Chen Qian, Zhaocheng Wang, Xudong Zhu, Jinhui Chen
  • Patent number: 10350568
    Abstract: A membrane-forming composition, soft and hard capsules prepared based on the composition and the preparation methods are described. The membrane-forming composition includes pullulan polysaccharide, gellan gum, amino acid moisturizing agent, anti-hygroscopic agent and so on. It is suitable for the fabrication of hard or soft capsules. The membrane-forming composition can gelate without alkali metal ions. It has a high moisture retention rate which makes it not easy to take up moisture and turn soft in high humid environment, and it will not turn yellow during long time storage. Furthermore, the membrane-forming composition is made up of pure natural materials.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: July 16, 2019
    Assignee: JIANGSU LEFAN CAPSULE CO., LTD.
    Inventors: Peiyong Liu, Peng Lei, Li Wang, Xiao Dou, Xudong Zhu, Yichi Zhang
  • Publication number: 20190199415
    Abstract: A communication device includes a processing circuit, the processing circuit being configured as: mapping a first information bit part used for a receiving end to a corresponding channel based on a pre-set mapping rule so as to execute spatial modulation with respect to the first information bit part of the receiving end; allocating a transmission power to the receiving end; and controlling the transmission power allocated through a mapped channel to transmit a second information bit part used for the receiving end. In the case of the first information bit parts used for multiple receiving ends being the same, the channels mapped for multiple receiving ends are the same. The multi-user spatial modulation performs spatial modulation for multiple receiving ends at the same time through a multiplexing channel of the transmitting end, improving the additional modulation order and the data transmission rate which can be obtained by each receiving end.
    Type: Application
    Filed: October 20, 2017
    Publication date: June 27, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jianfei CAO
  • Publication number: 20190149203
    Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.
    Type: Application
    Filed: January 9, 2019
    Publication date: May 16, 2019
    Applicant: SONY CORPORATION
    Inventors: Chen QIAN, Zhaocheng WANG, Xudong ZHU, Jinhui CHEN
  • Patent number: 10206150
    Abstract: The present disclosure relates to an electronic device in a radio communications system and a radio communications method. The radio communications system comprises multiple cells, and the multiple cells comprise a current cell in which an electronic device is located and a neighboring cell. The electronic device comprises: one or more processing circuits. The processing circuits are configured to execute the following operations: obtaining allocation information about reference signals of the current cell and the neighboring cell; determining quality of an available reference signal in the current cell based on the allocation information; and allocating the available reference signal to user equipment based on the quality of the available reference signal.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: February 12, 2019
    Assignee: SONY CORPORATION
    Inventors: Xudong Zhu, Zhaocheng Wang, Jinhui Chen
  • Publication number: 20190029072
    Abstract: An electrical device has processing circuit configured to: select coordinated access points and data distribution center from access points, transmit information about the coordinated access points to the data distribution center, such that in response to the receipt of data from the service gateway, the date distribution center transmits the data to the coordinated access points, and receive the data via the coordinated transmission of the data distribution center and the coordinated access point.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 24, 2019
    Applicant: Sony Corporation
    Inventors: Xudong ZHU, Zhaocheng WANG, Jinhui CHEN