Patents by Inventor Xiaolin Hou

Xiaolin Hou 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: 12647170
    Abstract: A terminal is disclosed including a receiver that receives a first downlink control information (DCI) for scheduling a first Physical Uplink Shared Channel (PUSCH) and receives a second DCI for scheduling a second PUSCH; and a processor that controls, based on the first DCI and the second DCI, simultaneous transmission of the first PUSCH and the second PUSCH by using a first panel and a second panel, wherein when group-based beam reporting is configured, each of the first panel and the second panel corresponds to each respective group of the group-based beam reporting. In other aspects, a radio communication method, a base station, and a system are also disclosed.
    Type: Grant
    Filed: September 30, 2024
    Date of Patent: June 2, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20260142709
    Abstract: Provided in the embodiments of the present disclosure are a receiving device and a transmitting device. The receiving device according to the embodiments of the present disclosure includes: a control unit, configured to determine a precoding indicator for a first antenna port of a plurality of antenna ports of a transmitting device or the receiving device; and a transceiving unit, configured to send the precoding indicator to the transmitting device. The transmitting device according to the embodiments of the present disclosure includes: a transceiving unit, configured to receive a precoding indicator from a receiving device, wherein the precoding indicator corresponds to a first antenna port of a plurality of antenna ports of the transmitting device or the receiving device; and a control unit, configured to determine, according to the precoding indicator, precoder information associated with the plurality of antenna ports of the transmitting device.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 21, 2026
    Applicant: NTT DOCOMO, INC.
    Inventors: Xiang Li, Xiaolin Hou, Xin Wang, Lan Chen, Satoshi Suyama, Tatsuki Okuyama
  • Patent number: 12634836
    Abstract: A terminal according to one aspect of the present disclosure includes: a transmission section that transmits a first medium access control-control element (MAC CE) including power-management maximum power reduction (PMPR) and a first value indicating an application timing of the PMPR; and a control section that controls transmission of an uplink (UL) signal based on the PMPR. According to one aspect of the present disclosure, it is possible to clarify applied PMPR.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: May 19, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Xiaolin Hou
  • Patent number: 12634187
    Abstract: The present disclosure provides a transmitting device, a receiving device and a modulation method. The transmitting device includes: a receiving unit configured to obtain a bit sequence to be transmitted; a control unit configured to perform pseudo-N-order first type of modulation on the bit sequence to be transmitted, according to information about phase noise, wherein 2{circumflex over (?)}N first symbols of the pseudo-N-order first type of modulation correspond to a part of 2{circumflex over (?)}M second symbols of M-order second type of modulation, where M and N are positive integers.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: May 19, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Xiaorui Yan, Neng Ye, Xiangming Li, Wenjia Liu, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
  • Patent number: 12634082
    Abstract: The present disclosure provides a base station, a terminal and channel reconstruction methods performed by a base station and a terminal. The base station includes: a transmitting unit configured to transmit channel state information reference signals of multiple ports to a terminal, wherein the channel state information reference signals of multiple ports have a first density in frequency domain in one time interval; a receiving unit configured to receive precoding matrix indication information of a first granularity from the terminal; a processing unit configured to determine a channel of a second granularity according to the precoding matrix indication information of the first granularity, and perform downlink precoding on the channel, wherein the second granularity is finer than the first granularity.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: May 19, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Xin Wang, Xiaolin Hou, Anxin Li, Lan Chen, Hiroki Harada
  • Patent number: 12621197
    Abstract: The present disclosure provides a terminal device and a processing method. The terminal device includes: a receiving unit configured to receive processing configuration information, wherein the processing configuration information indicates at least one of pre-processing and post-processing of Discrete Fourier Transform (DFT) spreading; a processing unit configured to determine at least one of the pre-processing and the post-processing of the DFT spreading according to the processing configuration information.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: May 5, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Juan Liu, Wenjia Liu, Xiaolin Hou, Anxin Li, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
  • Patent number: 12615173
    Abstract: The present disclosure provides electronic equipment. The electronic equipment includes: an input unit, configured to: determine a sequence to be compressed based on a data sequence, a head sequence and a tail sequence, wherein the sequence to be compressed has Q elements, and Q is an integer greater than 0; a processing unit, configured to: determine, based on the sequence to be compressed, a DFT spreading sequence by utilizing DFT spreading, and perform at least one of data deleting operation or data superposing operation on the DFT spreading sequence to determine a compressed sequence, wherein the compressed sequence has M symbols, M is an integer greater than 0, and M is less than Q.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: April 28, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Juan Liu, Wenjia Liu, Xiaolin Hou, Anxin Li, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
  • Patent number: 12615125
    Abstract: A terminal is disclosed including a receiver that receives information including multiple spatial relation information; and a processor that controls transmission of channel state information using first spatial relation information that corresponds to a first transmission and reception point among the multiple spatial relation information, on a first repetition of multiple repetitions of an uplink shared channel, and controls transmission of the channel state information using second spatial relation information that corresponds to a second transmission and reception point among the multiple spatial relation information, on a second repetition of the multiple repetitions of the uplink shared channel. In other aspects, a communication method, a base station, and a system are also disclosed.
    Type: Grant
    Filed: December 11, 2023
    Date of Patent: April 28, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Patent number: 12609855
    Abstract: The present disclosure provides an electronic device, including an input unit configured to obtain a first sequence including Q elements, the Q being an integer greater than 0; a control unit configured to perform a zero-padding operation and a discrete Fourier transformation spreading operation on the first sequence to determine an extension sequence, and perform a double-side data deletion operation based on the extension sequence to determine a second sequence, wherein the second sequence includes M elements, the M being an integer greater than 0.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: April 21, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Juan Liu, Wenjia Liu, Xiaolin Hou, Lan Chen
  • Patent number: 12592796
    Abstract: A user terminal includes: a control section that determines a set of one or more candidate occasions for reception of a downlink shared channel available in a time unit, based on a Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK) timing value using a same or different time unit between a plurality of services and a format of the time unit; and a transmitting section that transmits a codebook being determined based on the set of the one or more candidate occasions.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 31, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Xiaolin Hou
  • Patent number: 12580632
    Abstract: Provided in the embodiments of the present disclosure are a receiving device and a transmitting device. The receiving device according to the embodiments of the present disclosure includes: a control unit, configured to determine information on intensity of a light-of-sight (LOS) channel component in a communication channel; and a sending unit, configured to send the determined information to a transmitting device. The transmitting device according to the embodiments of the present disclosure includes: a transceiving unit, which includes a first antenna array; and a control unit, configured to obtain information about the intensity of a light-of-sight (LOS) channel component in a communication channel, and to determine a configuration mode of the first antenna array according to the information.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: March 17, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Xiang Li, Xiaolin Hou, Xin Wang, Lan Chen, Satoshi Suyama, Tatsuki Okuyama
  • Patent number: 12550201
    Abstract: A radio communication node receives resource information indicating a type of resources allocated to a radio link with a lower node from a network and establishes the radio link based on the resource information. The type of resources includes a specific type that can designate availability of a frequency resource in a frequency direction. When the frequency resource is the specific type, the radio communication node can receive the resource information indicating the availability of the frequency resource.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: February 10, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
  • Patent number: 12542582
    Abstract: The present disclosure provides a reconfigurable intelligent surface, including: a receiving unit which receives subarray division setting information sent from a base station; a reconfigurable panel; and a processing unit, which divides, based on the subarray division setting information, the reconfigurable panel into M subarrays, where M is a positive integer greater than 1, wherein, the subarray division setting information is determined based on a distance between a target device and the reconfigurable panel, N subarrays of the M subarrays serve one target device, and N is a positive integer greater than 1 and less than or equal to M.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 3, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Xiang Li, Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama
  • Patent number: 12538289
    Abstract: A terminal includes a transmitter that transmits a second signal specifying a resource for an initial transmission of a first signal on a sidelink; and a controller that selects, reserves, or pre-reserves a resource for the initial transmission of the first signal on the sidelink and at least one of one or more resources for one or more retransmissions of the first signal on the sidelink.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: January 27, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Yanru Wang, Jing Wang, Xiaolin Hou
  • Patent number: 12537582
    Abstract: The present disclosure provides a method for precoding matrix indicator (PMI) transmission and a method for determining precoding granularity performed by a terminal, and a corresponding terminal and base station. The terminal includes: a receiving unit configured to receive first information about the precoding matrix indicator (PMI) from a base station of the communication system; and a control unit configured to determine whether to transmit second information about the precoding matrix indicator according to the first information, wherein the precoding matrix indicator is for a subcarrier-level precoding matrix.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: January 27, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Wenjia Liu, Xiaolin Hou, Xin Wang, Yuki Matsumura, Nadisanka Rupasinghe
  • Publication number: 20260025297
    Abstract: A communication device is disclosed that includes a transmission unit that transmits a signal by adding a cyclic prefix to a symbol and a control unit that sets a length of the cyclic prefix longer when the symbol is compressed in a time domain. In other aspects, a communication method is also disclosed.
    Type: Application
    Filed: September 30, 2025
    Publication date: January 22, 2026
    Applicant: NTT DOCOMO, INC.
    Inventors: Naoya Shibaike, Hiroki Harada, Satoshi Nagata, Juan Liu, Wenjia Liu, Xiaolin Hou
  • Patent number: 12526107
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that determines a panel corresponding to a reference signal for measurement (Sounding Reference Signal (SRS)) resource set or an SRS resource, and a transmitting section that performs SRS transmission in the SRS resource set or the SRS resource by using the determined panel and transmits a report for the determined panel corresponding to the SRS resource set or the SRS resource. According to one aspect of the present disclosure, it is possible to appropriately determine a correspondence relationship between a panel and an SRS.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: January 13, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Patent number: 12526178
    Abstract: The present disclosure provides a spectrum shaping method for non-orthogonal waveforms and an electronic device. The electronic device includes: a processing unit configured to perform discrete Fourier transform spreading on data to be transmitted to obtain a spread signal, perform subcarrier mapping on the spread signal, perform spectrum shaping on subcarriers by using a spectrum shaping factor to obtain a shaped signal, and obtain a non-orthogonal Faster-Than-Nyquist signal according to the shaped signal; and a transmitting unit configured to transmit the non-orthogonal Faster-Than-Nyquist signal.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: January 13, 2026
    Assignee: NTT DOCOMO, INC.
    Inventors: Juan Liu, Wenjia Liu, Xiaolin Hou
  • Patent number: 12495364
    Abstract: A radio communication node is disclosed including a transmitting/receiving unit that transmits/receives a radio signal to/from an upper node forming an integrated access backhaul; and a control unit that reports, to the upper node, power control information used for transmission power control of a downlink in the upper node.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: December 9, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
  • Patent number: 12495423
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a plurality of specific configurations in relation to a channel state information (CSI) report configuration, and a control section that configures a CSI report including CSI for each group such that the CSI report includes CSI based on a first specific configuration and CSI based on a second specific configuration, the first specific configuration and the second specific configuration being out of the plurality of specific configurations. According to one aspect of the present disclosure, it is possible to preferably use a CSI report related to group-based beam reporting.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: December 9, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou