Patents by Inventor Xiaobo Zhang

Xiaobo Zhang 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: 20250106827
    Abstract: A first node receives a first reference signal in a first RS resource; first operates a first signal on a first frequency band; a duplex mode of the first frequency band is a frequency division duplex; the first operating is to receive and the first signal is on a downlink working band, or the first operating is to transmit and the first signal is on an uplink working band; the first signal is spatially associated with the first RS resource; when the first operating is to receive, time-domain resources occupied by the first signal are not overlapping with a first time-domain resource pool; when the first operating is to transmit, time-domain resources occupied by the first signal are not overlapping with a second time-domain resource pool; time-domain resources occupied by the first time-domain resource pool are orthogonal to time-domain resources occupied by the second time-domain resource pool.
    Type: Application
    Filed: September 19, 2024
    Publication date: March 27, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Ping WANG, Xiaobo ZHANG
  • Publication number: 20250106670
    Abstract: The present application discloses a method and a device used for wireless communications, including executing a first signaling, the first signaling configuring a target SpCell; transmitting a first message as a response to successfully executing the first signaling, the first message indicating completion of an RRC reconfiguration; and transmitting a first report, the first report comprising information of a successful switch; the information of the successful switch comprises at least a former of a first measurement result and a second measurement result, the first measurement result and the second measurement result being both for a source cell; where the first measurement result is a most recent measurement result before executing the first signaling, while the second measurement result is a most recent measurement result before transmitting the first message. This application provides better network optimization.
    Type: Application
    Filed: September 24, 2024
    Publication date: March 27, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yu CHEN, Xiaobo ZHANG
  • Patent number: 12262385
    Abstract: The present disclosure provides method and device in nodes used for wireless communication. A node receives first information; receives a first signaling; and transmits a first signal; the first information is used to determine a first characteristic parameter group, the first signaling is used to determine a target time length out of a first time length set, and the first characteristic parameter group comprises at least one of a type of a transmitter of the first information, a height of a transmitter of the first information or a common time offset; the first time length set is one of X candidate time length sets; the first characteristic parameter group is used to determine a first time length set out of the X candidate time length sets. The present disclosure ensures a successful uplink transmission.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: March 25, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng Liu, Xiaobo Zhang
  • Patent number: 12261732
    Abstract: The present disclosure provides a method and a device in a communication node used for wireless communications. A communication node receives first information and second information; and transmits a first radio signal, an SCS of a subcarrier occupied by the first radio signal is equal to a first SCS; a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment. The present disclosure improves scheduling flexibility.
    Type: Grant
    Filed: March 14, 2024
    Date of Patent: March 25, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng Liu, Xiaobo Zhang
  • Patent number: 12262417
    Abstract: The present disclosure provides a method and device in a communication node for wireless communications. A communication node receives a first signaling; transmits a first signal; receives a second signal; transmits a third signal; and when a first condition is satisfied, transmits a fourth signal; the first signaling comprises K1 first-type signal(s) and K2 second-type signal(s); the K1 first-type signals(s) is(are) different from the K2 second-type signal(s); a sum of K1 and K2 is of a fixed magnitude; the K1 and the K2 are both positive integers; the first signal is one of the K1 first-type signal(s); the fourth signal is one of the K2 second-type signal(s); the second signal is used for determining time-frequency resources of the third signal; the first condition is related to a parameter of the third signal. The present disclosure allows that a preamble group is reselected to improve probability of random access success.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: March 25, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Patent number: 12258063
    Abstract: A belt assembly for a vehicle and an arrangement for a vehicle including the belt assembly are disclosed. The belt assembly comprises a belt body having at least two ends, at least one of which is loop-free, wherein the belt body is fixedly provided with a first attachment at the at least one end, wherein the first attachment forms a step with respect to at least one side surface of the belt body at the respective end of the belt body, wherein the first attachment, together with the belt body, form a first mounting end of the belt assembly. The belt assembly may have improved appearance and improved accuracy.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: March 25, 2025
    Assignee: Yanfeng International Automotive Technology Co., Ltd.
    Inventors: Xubin Dong, Xiaobo Zhang, Lei Yang, Thomas Rossbach
  • Publication number: 20250096988
    Abstract: A node firstly receives a first reference signal; and transmits first channel information and a first CQI set; a measurement of the first reference signal is used to generate the first channel information and the first CQI set; each CQI included in the first CQI set indicates one CQI index in a target CQI table, the target CQI table being related to a type of the first channel information, the type of the first channel information being one of PMI or a first type, the first type being non-codebook based; when the type of the first channel information is PMI, the target CQI table is a first CQI table; when the type of the first channel information is the first type, the target CQI table is a second CQI table. This application improves CSI reporting for AI-capable terminals to enhance overall system performance.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 20, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Xiaobo ZHANG
  • Publication number: 20250096873
    Abstract: A first node receives a first information block, and transmits first CSI. The first information block is used to indicate a first RS resource set, a measurement on the first RS resource set is used to generate the first CSI, the first CSI comprises a first information set and a second information set, the first information set comprises at least one first-type information group, and the second information set comprises at least one information group; the first-type information group corresponds to a first bandwidth, and a priority of the first-type information group is higher than a priority of any information group in the second-type information set; first channel information belongs to the first CSI, a type of the first channel information is one of PMI or first type, and the first type is non-codebook-based.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 20, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Lu WU, Xiaobo ZHANG
  • Patent number: 12256273
    Abstract: The present disclosure provides a method and a device for wireless communications. A first node receives a first radio signal and a second radio signal; the first radio signal is used to determine a first transmission parameter; the second radio signal is used to determine a first reception quality; a reception quality with a first adjustment is used to determine whether a connection is established to a transmitter for the first radio signal; the first transmission parameter is used to determine a first offset, a sum of the first offset and the first reception quality being equal to the reception quality with the first adjustment; the first transmission parameter is related to a distance between the first node and the transmitter for the first radio signal. The present disclosure can improve the service quality of the UE during handover.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: March 18, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang
  • Publication number: 20250088229
    Abstract: The present invention discloses a method and a device for wireless communications. A first node receives a first reference signal; and transmits first channel information and a first CQI; where a measurement of the first reference signal is used to generate the first channel information; calculation of the first CQI is related to a type of the first channel information; the type of the first channel information is one of PMI or first type; when the type of the first channel information is PMI, the calculation of the first CQI is conditioned on a precoding matrix indicated by the first channel information; when the type of the first channel information is the first type, a first channel matrix is used to generate the first CQI, the first channel matrix being available only for the first node. This application improves CQI performance with better compatibility.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo ZHANG
  • Publication number: 20250086983
    Abstract: An unmanned parking space detection method based on a panoramic surround view is provided. The unmanned parking space detection method adopts a Laplace fusion algorithm to splice images to obtain the panoramic surround view, which effectively realize fusion of the images. By using an image quality evaluation function, complexity of the unmanned parking space detection method is reduced while ensuring a quality of the splicing. The panoramic surround view generated by the present disclosure has a more natural transition in the areas being spliced and fused, and the panoramic surround view display is more complete and beautiful. Compared with conventional machine vision detection technologies, the unmanned parking space detection method adopts a target detection technology for detecting parking space entrance lines and adopts a more lightweight network design to ensure real-time performance of a detection algorithm thereof, which has higher detection accuracy and stronger robustness.
    Type: Application
    Filed: October 29, 2024
    Publication date: March 13, 2025
    Inventors: QIPING CHEN, ZHENGHUA CHEN, DEQUAN ZENG, QIN LIU, CHENGPING ZHONG, XIAOCHUN ZENG, XIAOBO ZHANG, HAO WU, YIMING HU, JUNLING DING, XUELAN YANG
  • Publication number: 20250088247
    Abstract: The present application provides a method and a device used for wireless communications. A first node receives a first message, the first message is used to determine a first RS resource group and a first frequency-band resource group, the first RS resource group comprises at least one RS resource, and the first frequency-band resource group comprises multiple sub-bands; transmits at least first channel information; wherein the first frequency-band resource group is within a first BWP, and a measurement for the first RS resource group is used to generate the first channel information; frequency-domain resources which the first channel information is for comprise Q1 sub-band(s) in the first frequency-band resource group, Q1 being a positive integer; Q1 is related to a frequency-domain location of the multiple sub-bands in the first frequency-band resource group. The present application can improve the performance of channel information and has good compatibility.
    Type: Application
    Filed: November 26, 2024
    Publication date: March 13, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo ZHANG
  • Publication number: 20250089064
    Abstract: A node receives a first information block, and the first information block is used to determine W1 cell sets; a node monitors multiple PDCCH candidates; a number of serving cell(s) comprised in one of the W1 cell sets is not greater than a first threshold; one of the multiple PDCCH candidates is monitored for a first DCI format, and a first cell set is one of the W1 cell sets, and the first DCI format is used to schedule the first cell set at the same time; one of the multiple PDCCH candidates belongs to a first search space set, and an indicator value associated with the first cell set is used to determine a PDCCH candidate monitored for the first DCI format; a first quantity value is equal to a largest number among numbers of serving cell(s) respectively comprised in the W1 cell sets.
    Type: Application
    Filed: November 25, 2024
    Publication date: March 13, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Zheng LIU, Xiaobo ZHANG
  • Publication number: 20250088891
    Abstract: A first node receives a first reference signal and a second reference signal, a time-frequency resource occupied by the first reference signal and a time-frequency resource occupied by the second reference signal being both associated with a target reference signal resource; and transmits CSI; a measurement of the first reference signal is used to generate the CSI, and the second reference signal is no later than a CSI reference resource for the CSI in time domain; whether a measurement of the second reference signal is used to generate the CSI depends on one of the following: power-related information of the first reference signal and the second reference signal; location-related information of the first node; spatial Rx parameters corresponding to the first reference signal and the second reference signal; or time-domain resources occupied by the first reference signal and the second reference signal.
    Type: Application
    Filed: September 3, 2024
    Publication date: March 13, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi JIANG, Ping WANG, Xiaobo ZHANG
  • Publication number: 20250089129
    Abstract: A method and device for wireless communications, including receiving a first message group and a first MAC PDU group, the first message group indicating a first new source ID and a first new ID; a first field in a MAC Header of any MAC PDU in the first MAC PDU group comprises at least part of bits in the first new ID; a second field in a MAC Header of any MAC PDU in the first MAC PDU group comprises at least part of bits in a second new ID; the first MAC PDU group comprises a first adaptation layer PDU, the first adaptation layer PDU comprising a first PDCP PDU; transmitting a second MAC PDU group; the second MAC PDU group comprises a second adaptation layer PDU; The present disclosure assists the first node in determining a source or destination UE ID properly, thus enhancing security and privacy.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Inventors: Yu CHEN, Xiaobo ZHANG
  • Patent number: 12250686
    Abstract: A node first receives a first signaling and a second signaling, wherein the first signaling and the second signaling are used to determine a first time-domain resource set and a second time-domain resource set; and then transmits a first signal in the first time-domain resource set, and transmits a second signal in a target time-domain resource set; the second time-domain resource set is reserved for transmission of a first bit set, a first bit block comprised in the first bit set being used to generate the second signal; the second time-domain resource set comprises K1 first-type time-domain resource subsets; whether the first time-domain resource set is overlapping with the second time-domain resource set is used to determine time-domain resources comprised in the target time-domain resource set. The present disclosure optimizes the method and device of designs of UCI transmission during PUCCH collisions, thus optimizing the system performance.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: March 11, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Qi Jiang, Xiaobo Zhang
  • Patent number: 12250613
    Abstract: The present disclosure discloses a method and device for wireless communications, comprising receiving a first signaling, the first signaling being used to indicate a first ID set of a first service, the first service being a non-unicast service, and the first ID set comprising a plurality of IDs; determining a target ID; and applying the target ID to receive the target data set; wherein the first service comprises K data sets, the target data set is one of the K data sets, K being a positive integer greater than 1; the first ID set comprises K IDs, and the target ID is one of the K IDs in the first ID set. The application receives a target data set by receiving a first signaling and determining a target ID, which helps to improve efficiency and save power.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: March 11, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yu Chen, Xiaobo Zhang
  • Publication number: 20250081272
    Abstract: The present application comprising receiving a first signaling, the first signaling comprising a first RRC information element, the first signaling configuring a first condition set and a first time window; there existing a dependency relation between the first condition set and the first time window; an execution of the first RRC information element depending on the first condition set; herein, the first RRC information element configures a target cell of the first node; the meaning of the phrase that an execution of the first RRC information element depends on the first condition set is: when at least one condition in the first condition set is not met, the first RRC information element is not executed; when all conditions in the first condition set are met, the first RRC information element is delayed in execution; the delayed in execution is not later than an end of the first time window.
    Type: Application
    Filed: August 27, 2024
    Publication date: March 6, 2025
    Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventors: Yu CHEN, Xiaobo ZHANG
  • Patent number: 12244385
    Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for multi-antenna transmission. The UE transmits a first radio signal in a first time interval, and receives a second radio signal in a second time interval; and then monitors a third radio signal in a third time interval. The first radio signal includes first information, and the second radio signal includes second information. Target information is used for receiving the third radio signal. A time-domain position of the second time interval is used for determining whether the target information is the first information or the second information. A time-domain position of the third time interval is associated to a time-domain position of the first time interval. The UE can select a beam direction corresponding to a downlink channel according to its measurement, thereby improving efficiency and performances of downlink transmission.
    Type: Grant
    Filed: February 26, 2024
    Date of Patent: March 4, 2025
    Assignee: Didi Wireless Innovatins, LLC
    Inventor: Xiaobo Zhang
  • Patent number: 12245060
    Abstract: The present disclosure provides a method and device in nodes used for wireless communication. A first node receives a first information block and a second information block, and the first information block and the second information block are respectively used to indicate a first control channel candidate set and a second control channel candidate set; time-frequency resources occupied by the first control channel candidate set belong to a first time-frequency resource set, and time-frequency resources occupied by the second control channel candidate set belong to a second time-frequency resource set; the first node monitors Q1 control channel candidates; wherein a first time-frequency resource set belongs to a first time window in time domain The method of the application is conducive to improving a number of blind detections of a control channel and increasing the flexibility of the blind detection capability allocation.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: March 4, 2025
    Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
    Inventor: Xiaobo Zhang