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).

  • Patent number: 12369163
    Abstract: The present application is related to method and apparatus for enhancing Physical Downlink Control Channel (PDCCH) coverage. The method for enhancing PDCCH coverage comprises: receiving a search space set configuration; determining a plurality of Control Resource Set (CORESET) copies for the search space set configuration; and receiving a same Downlink Control Information (DCI) in a set of CORESET copies of the plurality of CORESET copies.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: July 22, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Yingying Li, Zhi Yan, Hongmei Liu, Haiming Wang
  • Publication number: 20250227676
    Abstract: The present application relates to a method and an apparatus for subband utilization in full duplex system. The method includes: determining, by a UE, at least one subband, wherein the at least one subband is associated with a first BWP; and transmitting, by the UE, an uplink signal in the at least one subband in a first set of time domain resources.
    Type: Application
    Filed: April 8, 2022
    Publication date: July 10, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Ruixiang Ma, Hongmei Liu, Zhi Yan, Haiming Wang
  • Publication number: 20250226923
    Abstract: Methods and apparatuses for are NTN IoT HARQ disabling for HARQ bundling and multiple TB scheduling disclosed. A UE comprises a processor; and a transceiver coupled to the processor, wherein the processor is configured to receive, via the transceiver, a control signal scheduling transport block(s), where each of the transport block(s) is associated with an HARQ process with HARQ feedback enabling or an HARQ process with HARQ feedback disabling according to an HARQ indication; and receive, via the transceiver, the transport block(s) based on the control signal.
    Type: Application
    Filed: May 13, 2022
    Publication date: July 10, 2025
    Inventors: Zhi YAN, Hongmei LIU, Yuantao ZHANG, Ruixiang MA, Haiming WANG
  • Publication number: 20250220672
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for uplink (UL) transmission in a full duplex (FD) system. According to some embodiments of the disclosure, a user equipment (UE) may include: a transceiver configured to receive a configuration indicating one or more set of resources for a bandwidth part (BWP) of the UE; and a processor coupled to the transceiver and configured to determine at least one set of available resources for a subband based on the one or more set of resources for the BWP.
    Type: Application
    Filed: May 20, 2022
    Publication date: July 3, 2025
    Inventors: Yuantao ZHANG, Ruixiang MA, Hongmei LIU, Zhi YAN, Haiming WANG
  • Patent number: 12349080
    Abstract: Methods and apparatuses for downlink power allocation for NBIoT are disclosed. A method comprises receiving a first reference signal (NRS), a first data and a second data, wherein the first reference signal is associated with a first transmission power (E_NRS); the first data is in a symbol without the first reference signal, and the first data is associated with a second transmission power (E_A); and the second data is in a symbol in which the first reference signal is received; and the second data is associated with a third transmission power (E_B).
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: July 1, 2025
    Assignee: Lenovo (Beijing) Limited
    Inventors: Yingying Li, Hongmei Liu, Zhi Yan, Yuantao Zhang, Haiming Wang
  • Patent number: 12349156
    Abstract: Embodiments of the present application relate to a method and an apparatus for reducing operations of monitoring PDCCH. According to an embodiment of the present application, a method can include: receiving configuration information indicating a plurality of search space sets and an activation or deactivation state for each search space set of the plurality of search space sets; and receiving an activation-deactivation indication in first downlink control information (DCI) in a first search space set in an activation state of the plurality of search space sets, wherein the activation-deactivation indication is configured to: trigger switching at least one second search space set of the plurality of search space sets from a deactivation state to an activation state; or trigger switching the at least one second search space set of the plurality of search space sets from an activation state to a deactivation state.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: July 1, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Yi Zhang, Zhi Yan, Hongmei Liu, Haiming Wang
  • Publication number: 20250203619
    Abstract: Embodiments of the present disclosure relate to method and apparatus for transform precoding state switching for a physical uplink shared channel (PUSCH). According to some embodiments of the disclosure, a UE may include: a transceiver configured to: receive first indication information indicating a transform precoding state for a PUSCH transmission, wherein the transform precoding state indicates whether a transform precoding is enabled or not; and a processor coupled to the transceiver and configured to: determine whether to apply the transform precoding state to a first PUSCH transmission.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 19, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Ruixiang Ma, Yuantao Zhang, Hongmei Liu, Zhi Yan, Haiming Wang
  • Publication number: 20250193865
    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), comprising: a transceiver; and a processor coupled with the transceiver, and the processor is configured to: receive a first configuration information indicating a first set of resources, wherein the first set of resources includes a part of resources of a second set of resources within a periodicity; and determine a set of first type of flexible resources in the first set of resources.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 12, 2025
    Inventors: Yuantao ZHANG, Ruixiang MA, Hongmei LIU, Zhi YAN, Haiming WANG
  • Patent number: 12328767
    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 for indicating a synchronization signal block (SSB) group size; mapping indices of a plurality of SSBs to a plurality of physical random access channel (PRACH) occasions for a number of PRACH repetitions, wherein the plurality of SSBs are divided into one or more SSB groups based on the indicated SSB group size; and determining a set of PRACH occasions corresponding to one of the indices of the plurality of SSBs from the plurality of PRACH occasions based on the mapping.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: June 10, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yingying Li, Yuantao Zhang, Haipeng Lei
  • Publication number: 20250185077
    Abstract: Embodiments of the present application relate to methods and apparatuses of a 2-step random access channel (RACH) procedure for reduced capability (RedCap) user equipments (UEs) and non-RedCap UEs. 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 is configured: to receive physical random access channel (PRACH) configurations via the transceiver; to determine a PRACH resource based on the PRACH configurations; and to determine a set of PUSCH resources for the UE based on at least one of: an association of the PRACH resource with a further PRACH resource within a set of PRACH resources, or an association of the PRACH resource with a set of further PUSCH resources.
    Type: Application
    Filed: March 4, 2022
    Publication date: June 5, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Publication number: 20250168894
    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 processor configured to: obtain configuration information indicating a set of physical random access channel (PRACH) repetition numbers; select a PRACH repetition number from the set of PRACH repetition numbers; and determine at least one time period for PRACH repetition based on the selected PRACH repetition number, wherein each time period of the at least one time period includes a set of random access channel (RACH) occasions (ROs) for PRACH repetition; a transmitter coupled to the processor; and a receiver coupled to the processor.
    Type: Application
    Filed: April 22, 2022
    Publication date: May 22, 2025
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Ruixiang Ma, Haiming Wang
  • Publication number: 20250158863
    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 performed by a user equipment (UE) includes: receiving, at the UE, a signaling indicating at least one reference signal (RS), where a spatial domain filter associated with the at least one RS is on or off; and determining at least one of a random access procedure or a paging procedure based on the signaling.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 15, 2025
    Inventors: HONGMEI LIU, ZHI YAN, YUANTAO ZHANG, YINGYING LI, HAIMING WANG
  • Patent number: 12301497
    Abstract: Embodiments of the present application relate to a method and an apparatus for uplink data transmission. According to an embodiment of the present application, a method can include: transmitting first message for subsequent data transmission from a UE; receiving information indicating a set of demodulation reference signal (DMRS) parameters; and determining at least one DMRS parameter for the subsequent data transmission from the UE based on the received information. Embodiments of the present application provide a technical solution for uplink data transmission for a UE in a RRC INACTIVE state. Accordingly, embodiments of the present application can facilitate the implementation of uplink (UL) data transmission for the UE in the RRC INACTIVE state.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: May 13, 2025
    Assignee: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Yi Zhang, Hongmei Liu, Haiming Wang
  • 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: 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
  • 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
  • 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
  • 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
  • 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