Patents by Inventor Yajun Zhu

Yajun 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).

  • Publication number: 20240172154
    Abstract: A method for reporting an uplink timing advance is performed by a terminal device and includes: sending first indication information to a network device. The first indication information is used to indicate the uplink timing advance (TA) of the terminal device to the network device. A network device may perform a method for receiving first indication information sent by a terminal device. The first indication information may include at least one of an open-loop uplink TA corresponding to the terminal device; a first uplink TA corresponding to an entire round trip delay (RTD) compensated by the terminal device; or a second uplink TA corresponding to a specific RTD compensated by the terminal device.
    Type: Application
    Filed: March 18, 2021
    Publication date: May 23, 2024
    Inventor: Yajun ZHU
  • Publication number: 20240172006
    Abstract: A method for beam recovery is provided, the method is performed by a terminal and includes: determining, according to a reference signal (RS) detection result for beam failure detection (BFD) on a monitoring occasion within an active time window, an operation for the beam recovery; where the active time window comprises the monitoring occasion with a variable quantity; and before the beam recovery or before a beam pre-recovery process is initiated, a quantity of the monitoring occasions within the active time window is increased according to a RS detection result for each BFD.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 23, 2024
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yajun ZHU, Wei HONG, Junli LI, Yong LI
  • Publication number: 20240171264
    Abstract: The present disclosure provides an interference processing method, an interference processing apparatus, a communication device and a storage medium. The method includes determining interference information between a non-geostationary orbit (NGSO) satellite communication system and a ground communication system in case of a presence of NGSO earth stations within a range of each of a plurality of sub-areas according to system parameters of the NGSO satellite communication system. The ground communication system includes a plurality of base stations, and an area covered by the plurality of base stations includes the plurality of sub-areas.
    Type: Application
    Filed: March 5, 2021
    Publication date: May 23, 2024
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yajun ZHU, Wei HONG, Zeyu HU, Yong LI
  • Publication number: 20240171256
    Abstract: The present disclosure provides an information transmission method. The method is performed by a first base station and includes sending first polarization configuration information to a first user equipment (UE), wherein the first polarization configuration information is configured to indicate an antenna polarization configuration associated with a data transmission.
    Type: Application
    Filed: March 24, 2021
    Publication date: May 23, 2024
    Inventor: Yajun ZHU
  • Publication number: 20240155524
    Abstract: A method for determining a synchronization signal is performed by a user equipment (UE) and includes: receiving the synchronization signal and synchronization signal raster indication information; and determining a current synchronization signal raster corresponding to the synchronization signal according to the synchronization signal raster indication information.
    Type: Application
    Filed: February 23, 2021
    Publication date: May 9, 2024
    Inventor: Yajun ZHU
  • Publication number: 20240155590
    Abstract: Embodiments of the present disclosure provide an information processing method and apparatus, and a communication device and a readable storage medium. The information processing method can include receiving first information sent by a network device, wherein the first information is correlated with a signature sequence of uplink data, monitoring transmission data on a shared frequency band resource, wherein the shared frequency band resource comprises a frequency band resource shared by a first UE and a second UE, and determining whether uplink transmission can be performed on the shared frequency band resource according to the correlation between the first information and data transmission features of the second UE on the shared frequency band resource.
    Type: Application
    Filed: March 9, 2021
    Publication date: May 9, 2024
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yajun ZHU, Wei HONG, Lingyu GAO, Yong LI
  • Publication number: 20240155451
    Abstract: A method for determining satellite frequency bands includes: determining at least one first frequency band available for a land communication system in a current region; and determining on the basis of the at least one first frequency band, at least one second frequency band available for a satellite communication system in the current region.
    Type: Application
    Filed: March 10, 2021
    Publication date: May 9, 2024
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun ZHU
  • Publication number: 20240147461
    Abstract: A carrier scheduling method and a device are disclosed. The carrier scheduling method includes: sending a configuration message of a scheduled carrier group to a user equipment UE; and sending, to the UE, an association relationship between the scheduled carrier group and a scheduling carrier corresponding to the scheduled carrier group. The configuration message of the scheduled carrier group and the association relationship are configured to instruct the UE to determine the scheduled carrier group and the scheduling carrier.
    Type: Application
    Filed: March 18, 2021
    Publication date: May 2, 2024
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun ZHU
  • Publication number: 20240137916
    Abstract: A method for transmitting an uplink signal is performed by a terminal device, and includes: dividing a transmission time of the uplink signal into a plurality of time segments according to a duration; obtaining an open-loop uplink timing advance and a closed-loop uplink timing advance for each time segment, and generating a timing advance for each time segment according to the open-loop uplink timing advance and the closed-loop uplink timing advance for each time segment; and adjusting a transmission time of one of the plurality of time segments of the uplink signal according to a corresponding timing advance for the one of the plurality of time segments.
    Type: Application
    Filed: February 23, 2021
    Publication date: April 25, 2024
    Inventor: Yajun ZHU
  • Patent number: 11962414
    Abstract: The present disclosure provides methods and apparatuses for transmitting HARQ feedback information, base stations and terminals. The method includes: determining downlink Hybrid Automatic Repeat reQuest (HARQ) configuration information, where the downlink HARQ configuration information informs at least two preset terminals about transmission configuration information of target downlink control signaling; sending the downlink HARQ configuration information to each of the preset terminals; loading the downlink HARQ feedback information for each of the preset terminals into the target downlink control signaling according to the downlink HARQ configuration information; and sending the target downlink control signaling to each of the preset terminals. In the present disclosure, the base station transmits HARQ feedback information with respect to uplink data transmission from a plurality of terminals through the target downlink control signaling, which saves system signaling overhead.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: April 16, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu
  • Patent number: 11963158
    Abstract: A transmission configuration method includes: an access network device determines idle time domain units within a time window of an unlicensed band; the access network device combines the idle time domain units according to a predefined time domain length of a transmission unit to obtain at least one transmission unit, the transmission unit being used for carrying and transmitting a data packet, and the time domain length of the transmission unit being used for indicating the number of the time domain units included in the transmission unit; the access network device sends a scheduling indication to a terminal, the scheduling indication being used for indicating the at least one transmission unit.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: April 16, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu
  • Patent number: 11956817
    Abstract: A communication method in an unlicensed spectrum includes: monitoring an occupancy state of an unlicensed spectrum; when a first indication signal sent by a second device occupying the unlicensed spectrum is detected, stopping monitoring the occupancy state of the unlicensed spectrum; and obtaining information included in the first indication signal, and determining a target detection behavior based on the information included in the first indication signal.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 9, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu
  • Publication number: 20240114513
    Abstract: A low priority uplink information retransmission method, includes: in response to uplink control information (UCI) having a transmission conflict, a base station using scheduling information of high priority UCI to deliver identifier information of low priority UCI to be retransmitted by a terminal in the UCI having the transmission conflict.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 4, 2024
    Applicants: Beijing Xiaomi Mobile Software Co., Ltd., Beijing University of Posts and Telecommunications
    Inventors: Yajun ZHU, Wei HONG, Jialin WU, Yong LI
  • Patent number: 11950224
    Abstract: A resource indication method for an unlicensed spectrum includes: receiving, by a terminal, a scheduling instruction sent by an access network device; and determining, by the terminal, a first time domain resource according to the scheduling instruction, in which the first time domain resource is a time domain resource configured to transmit data, a start position of the first time domain resource is obtained based on a second time domain resource, and the second time domain resource is a time domain resource configured to send the scheduling instruction.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: April 2, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu
  • Publication number: 20240106529
    Abstract: A data transmission method includes: in response to determining that data transmission performed with a terminal by means of a first beam has not ended, and the first beam is unable to continue to provide a service for the terminal, determining a second beam; and switching to the second beam.
    Type: Application
    Filed: December 16, 2020
    Publication date: March 28, 2024
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Yajun ZHU
  • Patent number: 11943173
    Abstract: A channel indication method and an apparatus thereof are provided. The method is performed by a base station working on an unlicensed spectrum. The method includes that the base station determines one or more first channel detection subbands that pass a channel detection. Additionally, the base station generates a channel indication signal to indicate the one or more first channel detection subbands that pass the channel detection. Furthermore, the base station transmits the channel indication signal to a terminal to determine, based on the channel indication signal, the one or more first channel detection subbands that pass the channel detection.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 26, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu
  • Patent number: 11943069
    Abstract: A data transmission method includes that: a base station transmits a control instruction to a terminal, the control instruction carrying indication information and the indication information indicating multiple resource positions configured for the terminal to transmit feedback data in an unlicensed channel; and the feedback data transmitted by the terminal is received, the feedback data being transmitted by the terminal through at least one resource position among the multiple resource positions in the case of the unlicensed channel being occupied by the terminal.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: March 26, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu
  • Publication number: 20240098731
    Abstract: A data transmission method includes: in response to determining an uplink and downlink transmission conflict in a target time unit, performing downlink data receiving or uplink data sending in the target time unit.
    Type: Application
    Filed: December 11, 2020
    Publication date: March 21, 2024
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Yajun ZHU
  • Publication number: 20240098595
    Abstract: A method and an apparatus for determining handover configuration, and a communication device are provided. The method includes: on the basis of handover configuration information of a target service satellite associated with a cell handover, user equipment (UE) determines handover configuration for performing the cell handover, wherein the UE performs cellular mobile data communication via a satellite signal.
    Type: Application
    Filed: January 21, 2021
    Publication date: March 21, 2024
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun ZHU
  • Patent number: 11937180
    Abstract: Provided are a carrier activation method, apparatus, device and system and a storage medium, and belongs to the technical field of communications. The method includes: wake-up information is received on a predetermined carrier that is a carrier, configured to transmit the wake-up information, in at least two carriers allocated to User Equipment (UE); and the predetermined carrier and at least one other carrier are activated based on the wake-up information, or, at least two other carriers are activated based on the wake-up information, the other carrier(s) being a carrier(s) other than the predetermined carrier in the at least two carriers. According to the present disclosure, the problem that the UE needs to detect the wake-up information on each carrier and determine whether to activate the carrier based on the wake-up information is solved, and the energy consumption of the UE is reduced and the endurance of the UE is improved.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 19, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yajun Zhu