Patents by Inventor Yuantao Zhang

Yuantao 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: 20250151046
    Abstract: According to some embodiments of the disclosure, a user equipment (UE) may: determine a first physical uplink control channel (PUCCH) resource for a first PUCCH transmission in a first time unit, wherein the first PUCCH transmission carries hybrid automatic repeat request acknowledgement (HARQ-ACK) information bits for at least one semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) reception, and the first PUCCH resource is on a first frequency domain part; and in the event that the first PUCCH resource overlaps a symbol not intended for an uplink transmission on a second frequency domain part, defer the first PUCCH transmission.
    Type: Application
    Filed: December 31, 2021
    Publication date: May 8, 2025
    Inventors: RUIXIANG MA, YUANTAO ZHANG, HONGMEI LIU, ZHI YAN, HAIMING WANG
  • Patent number: 12294937
    Abstract: The present disclosure is related to a method and apparatus for wireless communication. A method performed by a user equipment, comprising: determining a first control resource set based on configuration information associated with a second control resource set; and determining a first search space based on configuration information associated with a second search space, wherein the first control resource set is associated with the first search space and the second control resource set is associated with the second search space.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: May 6, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haipeng Lei, Haiming Wang
  • Patent number: 12294992
    Abstract: Embodiments of the present application are related to a method and apparatus for physical random access channel (PRACH) repetitions. A method according to an embodiment of the present application includes: receiving signaling information indicating at least one of a total number of a set of preambles in a period, a total number of a set of physical uplink shared channel (PUSCH) resource units (PRUs) in the period, a preamble repetition number in the period and a PRU repetition number in the period; and determining a mapping ratio of preambles to PRUs in the period based on the received signaling information.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: May 6, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Haipeng Lei
  • Publication number: 20250141620
    Abstract: Methods and apparatus of indicating states of availability of Tracking Reference Signal (TRS) resources are disclosed. The method includes: receiving, by a receiver, a first signaling indicating states of availability of Tracking Reference Signal (TRS) resource groups in a first set of TRS resource groups, a second signaling indicating states of availability of TRS resource groups in a second set of TRS resource groups; and determining, by a processor, availability of TRS resources based on the first signaling and the second signaling; wherein each of the first signaling and the second signaling is one of: a paging Physical Downlink Control Channel (PDCCH) based signaling and a Paging Early Indication (PEI) based signaling.
    Type: Application
    Filed: September 30, 2021
    Publication date: May 1, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yingying Li, Zhi Yan, Yuantao Zhang, Hongmei Liu, Haiming Wang
  • Publication number: 20250141605
    Abstract: Methods and apparatuses for are NTN IoT HARQ disabling disclosed. A UE comprises a processor; and a receiver coupled to the processor, wherein the processor is configured to receive, via the receiver, HARQ configuration and a control signal scheduling transport block(s), where each of the scheduled transport block(s) is associated with an HARQ process number; and receive, via the receiver, the scheduled transport block(s) based on the control signal.
    Type: Application
    Filed: December 23, 2021
    Publication date: May 1, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Patent number: 12284037
    Abstract: Embodiments of the present application are related to a method and apparatus for PDCCH repetition. A method according to an embodiment of the present application includes: receiving control channel element (CCE) aggregation level (AL) information in a search space set configuration; determining a scaling factor for each of repetition levels of a maximum repetition number, wherein the maximum repetition number corresponds to a total number of monitor occasions (MOs) within a set of MOs; computing a number of PDCCH candidates to be monitored for each of the repetition levels based on the CCE AL information and the scaling factor for each of the repetition levels; and receiving a control signal on the PDCCH candidates.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: April 22, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Yingying Li, Yuantao Zhang, Hongmei Liu, Zhi Yan, Haiming Wang
  • Publication number: 20250106858
    Abstract: Embodiments of the present application are related to a method and apparatus of beam indication. According to an embodiment of the present application, an exemplary method includes: receive at least first spatial domain filter configuration information from a second RAN node; and perform at least one of the following: downlink transmission to a remote apparatus at least according to a first spatial domain filter; downlink reception from the second RAN node at least according to a second spatial domain filter; uplink reception from the remote apparatus at least according to a third spatial domain filter; or uplink transmission to the second RAN node at least according to a fourth spatial domain filter.
    Type: Application
    Filed: February 10, 2022
    Publication date: March 27, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Ruixiang Ma, Haiming Wang
  • Publication number: 20250089025
    Abstract: Embodiments of the present application are related to a wireless communication method and apparatus. According an embodiment of the present application, an exemplary method includes: receiving a signaling indicating a first set of reference signal (RS), wherein a spatial domain filter associated with the first set of RS is on or off; and determining a second set of RS based on the signaling, wherein the second set of RS is a set of RS associated with channel state information (CSI) reporting, or a set of pathloss RS, or a set of RS associated with radio link monitoring (RLM), or a set of RS associated with beam failure recovery (BFR).
    Type: Application
    Filed: December 20, 2021
    Publication date: March 13, 2025
    Inventors: HONGMEI LIU, ZHI YAN, YUANTAO ZHANG, YINGYING LI, HAIMING WANG
  • Publication number: 20250089099
    Abstract: Disclosed are methods and apparatuses for random access (RA) procedure in full duplex mode. An embodiment of the subject application provides a user equipment (UE). The UE includes a processor and a wireless transceiver coupled to the processor. The processor is configured to: receive, with the wireless transceiver, a Bandwidth Part (BWP) configuration for at least a uplink (UL) BWP from a base station (BS), and determine a set of valid Random Access Channel (RACH) Occasions (ROs) within the UL BWP for FD functionality, wherein the BS is able to perform reception in the UL BWP with the UE when the BS performs transmission in a downlink (DL) BWP with another UE.
    Type: Application
    Filed: December 24, 2021
    Publication date: March 13, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Ruixiang Ma, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Patent number: 12250696
    Abstract: Embodiments of the present disclosure relates to methods and apparatuses for wireless communication. According to some embodiments of the present disclosure, a method includes: receiving a signaling indicating configuration information on a set of aperiodic channel state information reference signal (CSI-RS) resources corresponding to a trigger state in a downlink control information (DCI). The set of aperiodic CSI-RS resources may include a plurality of subsets of aperiodic CSI-RS resources; and receiving at least one aperiodic CSI-RS resource of the set of aperiodic CSI-RS resources according to the configuration information.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: March 11, 2025
    Assignee: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20250070925
    Abstract: Embodiments of the present application relate to methods and apparatuses of frequency hopping for full duplex (FD). According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor of the UE is configured: to receive, via the transceiver of the UE from a network node, configuration information regarding frequency hopping for a subset of symbols or slots of a plurality of available symbols or slots in a time domain; and to determine, based on the configuration information regarding frequency hopping, a frequency hopping operation in the subset of symbols or slots for at least one of a physical uplink control channel (PUCCH) resource and a physical uplink shared channel (PUSCH) resource.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 27, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Ruixiang Ma, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Publication number: 20250071817
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for physical random access channel (PRACH) repetition. According to an embodiment of the present disclosure, a user equipment (UE) can include: a receiver that receives configuration information; a processor coupled to the receiver, wherein the processor: determines a plurality of synchronization signal block (SSB) patterns based on the configuration information, wherein each SSB pattern includes one or more SSBs; determines an SSB pattern from the plurality of SSB patterns; determines a set of random access channel (RACH) occasions (ROs) for PRACH repetition based on the determined SSB pattern; determines, from the plurality of SSB patterns, a set of SSB patterns associated with each RO of the set of ROs, wherein the set of SSB patterns include the determined SSB pattern; and determines a set of preambles associated with each SSB pattern of the set of SSB patterns; and a transmitter coupled to the processor.
    Type: Application
    Filed: January 17, 2022
    Publication date: February 27, 2025
    Inventors: Yuantao ZHANG, Hongmei LIU, Zhi YAN, Haiming WANG
  • Publication number: 20250048435
    Abstract: Methods and apparatuses for wake up signal for uplink transmission are disclosed. A method at a UE comprises: receiving PRACH configuration, where one or multiple ROs are in a PRACH configuration period; and transmitting at least a WUS (wake up signal) within a wake, the WUS transmitted at the first or first several ROs within the wake-up period or at a resource in front of RO(s) within the wake-up period.
    Type: Application
    Filed: December 10, 2021
    Publication date: February 6, 2025
    Inventors: ZHI YAN, HONGMEI LIU, YUANTAO ZHANG, YINGYING LI, HAIMING WANG
  • Publication number: 20250038923
    Abstract: The present application relates to methods and apparatuses for determining a slot format. One embodiment of the present disclosure provides a user equipment (UE), which includes: a transceiver configured to: receive first configuration information indicating at least one frequency domain resource of at least one first sub-band within one band width part (BWP) of a first number of time units; and a processor configured to: determine one or more first transmission directions of the at least one first sub-band within the BWP for each time unit of the first number of time units at least according to the first configuration information.
    Type: Application
    Filed: December 3, 2021
    Publication date: January 30, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Ruixiang Ma, Yuantao Zhang, Haiming Wang
  • Publication number: 20250023676
    Abstract: Embodiments of the present application are related to a method and apparatus for data transmission during wireless communication. According an embodiment of the present application, an exemplary method includes: receiving a first signaling indicating whether a first spatial domain filter associated with a first set of reference signal (RS) is on or off, wherein the first set of RS is associated with at least one of: downlink reception or uplink transmission; and in the case that the first signaling indicates the first spatial domain filer being off, stopping performing the associated at least one of: downlink reception or uplink transmission, or performing the associated at least one of: downlink reception or uplink transmission with a second spatial domain filter different from the first domain filter.
    Type: Application
    Filed: November 30, 2021
    Publication date: January 16, 2025
    Inventors: Hongmei LIU, Zhi YAN, Yuantao ZHANG, Haiming WANG
  • Publication number: 20250016744
    Abstract: Methods and apparatus of determining format of uplink and downlink transmissions for full duplex time division duplex are disclosed. The method includes: receiving, by a receiver, a first set of Time Division Duplex (TDD) configurations of uplink (UL) and downlink (DL) transmissions for a first set of Bandwidth Parts (BWPs), and a second set of TDD configurations of UL and DL transmissions for a second set of BWPs; and determining, by a processor, a resulting format of UL and DL transmissions based on the first set of TDD configurations and the second set of TDD configurations.
    Type: Application
    Filed: December 10, 2021
    Publication date: January 9, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Ruixiang Ma, Hongmei Liu, Yingying Li, Haiming Wang
  • Publication number: 20250016753
    Abstract: Embodiments of the present application relate to methods and apparatuses for a resource allocation scheme in a sub-band full duplex scenario. According to an embodiment of the present application, a UE includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver from a network node, at least one indication indicating at least one frequency domain transmission resource; and to determine a frequency domain resource in a time unit according to a type of the time unit, wherein the frequency domain resource is used for transmitting a physical uplink share channel (PUSCH) transmission, wherein the frequency domain resource is associated with the at least one frequency domain transmission resource, and wherein the type of the time unit comprises a time unit type or a further time unit type.
    Type: Application
    Filed: November 22, 2021
    Publication date: January 9, 2025
    Inventors: Ruixiang MA, Yuantao ZHANG, Haiming WANG
  • Publication number: 20240430857
    Abstract: Methods and apparatuses for paging early indication are disclosed. A method at an UE comprises receiving a paging configuration and a configuration for search space (SS) set for paging early indication (PEI); determining a target paging occasion (PO) for receiving paging message based on the paging configuration; determining a SS set duration for detecting a target PEI; and determining a bit sequence in the target PEI for the target PO based on at least an index of the SS set duration.
    Type: Application
    Filed: August 6, 2021
    Publication date: December 26, 2024
    Inventors: Yuantao ZHANG, Yingying LI, Hongmei LIU, Zhi YAN, Haiming WANG
  • Publication number: 20240421952
    Abstract: The present application relates to methods and apparatus for SSB detection. One embodiment of the present disclosure provides a user equipment (UE), which includes: a processor configured to: determine at least one of a value of a first parameter and a configuration of a first control resource set (CORESET) associated with a first synchronization signal block (SSB); determine a type of the first SSB based on at least one of the value of the first parameter and the configuration of the first CORESET; and determine a cell defining SSB for the UE based on the type of the first SSB; or determine a frequency range for searching the cell defining SSB for the UE based on the type of the first SSB.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 19, 2024
    Inventors: Yuantao ZHANG, Hongmei LIU, Zhi YAN, Yingying LI, Ran YUE, Haiming WANG
  • Publication number: 20240406865
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for power saving. According to an embodiment of the present disclosure, a method can include: receiving configuration information including at least one candidate for physical downlink control channel (PDCCH) skipping, wherein each candidate indicates a number of PDCCH monitoring occasions or a time period; receiving downlink control information (DCI) indicating one candidate of the at least one candidate for a current active search space set (SSS) group (SSSG); and determining a number of skipped PDCCH monitoring occasions or a skipped time period for each SSS included in the current active SSSG based on the one candidate.
    Type: Application
    Filed: September 30, 2021
    Publication date: December 5, 2024
    Inventors: Yuantao ZHANG, Hongmei LIU, Zhi YAN, Yingying LI, Haiming WANG