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: 20230269743
    Abstract: Methods and apparatuses for determining scheduling delay for eMTC are disclosed. A method comprises receiving a control signal in a first time slot; receiving a data signal in a second time slot; and transmitting a feed-back of the data signal in a third time slot.
    Type: Application
    Filed: August 5, 2020
    Publication date: August 24, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230262632
    Abstract: Embodiments of the present application are related to a method and apparatus for determining timing advance value. According an embodiment of the present application, an exemplary method includes: receiving association information between timing advance (TA) value for uplink transmission and downlink reference signal (RS), wherein each TA value is associated with an index of at least one corresponding downlink RS; determining a downlink RS index for associating with a TA value for uplink transmission; and determining the TA value for uplink transmission based on the association information. Accordingly, embodiments of the present application can indicate and determine TA value with reduced signaling overhead.
    Type: Application
    Filed: July 9, 2020
    Publication date: August 17, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Bingchao Liu, Haiming Wang
  • Publication number: 20230247639
    Abstract: Methods and apparatuses for eMTC scheduling are disclosed. A method comprises receiving a control signal in a search space; and transmitting an uplink data after a first time duration of receiving the control signal or of receiving a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (Koffset).
    Type: Application
    Filed: April 30, 2020
    Publication date: August 3, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230246780
    Abstract: The present disclosure relates to methods and apparatuses for resource configuration. A method includes receiving a first resource (s) configuration and a second resource (s) configuration; and determining a resource (s) for RRC idle/inactive mode by the second resource (s) configuration; wherein the second resource (s) configuration is determined based on value (s) of parameter (s) in the first resource (s) configuration and/or value (s) of additional parameter (s).
    Type: Application
    Filed: June 23, 2020
    Publication date: August 3, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yingying Li, Zhi Yan, Hongmei Liu, Yuantao Zhang, Haiming Wang
  • Publication number: 20230239038
    Abstract: Methods and apparatuses for monitoring NPDCCH in NBIoT are disclosed. A method comprises receiving a first control signal scheduling a data transmission; and monitoring a second control signal from a start time slot to an end time slot, wherein the start time slot is a gap period behind the last time slot for receiving the first control signal, and the end time slot is a time period ahead of the first time slot for the data transmission.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 27, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230239070
    Abstract: Methods and apparatuses for transmitting or receiving data for NBIoT supporting 16QAM modulation are disclosed. A method comprises receiving a control signal, wherein the control signal includes a MCS index and a resource assignment index; and receiving a control signal, wherein the control signal includes a MCS index and a resource assignment index, wherein the transport block size is determined by a combination of a transport block size index and the resource assignment index, and the transport block size index is determined by at least one of the MCS index and the resource assignment index.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 27, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Haipeng Lei, Haiming Wang
  • Publication number: 20230232416
    Abstract: The present application relates to a user equipment, a base station, and a method for PDCCH repetition. The base station transmits a MIB corresponding to a SSB to the user equipment. The MIB includes a configuration of search space zero. The user equipment receives the MIB corresponding to the SSB from the base station. The user equipment determines that the configuration of search space zero indicates a PDCCH repetition.
    Type: Application
    Filed: May 15, 2020
    Publication date: July 20, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Haiming Wang, Hongmei Liu, Yingying Li, Yuantao Zhang, Zhi Yan
  • Publication number: 20230224027
    Abstract: Embodiments of the present application are related to a method and apparatus for sequence determination in wireless transmission. According an embodiment of the present application, an exemplary method includes: receiving configuration information indicating at least one offset value associated with a kind of sequence, wherein each offset value corresponds to a second time domain index offset relative to a first time domain index determined based on synchronization signal block (SSB) associated with the kind of sequence; determining at least one second time domain index associated with the kind of sequence based on the at least one offset value correspondingly; and determining at least one sequence correspondingly based on the at least one second time domain index. Accordingly, embodiments of the present application can allow interference randomization during sequence generation in spite of the unfavorable impact on time domain index.
    Type: Application
    Filed: June 19, 2020
    Publication date: July 13, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Bingchao Liu, Haiming Wang
  • Publication number: 20230199768
    Abstract: Methods and apparatuses for transmitting or receiving data for NB-IoT supporting 16QAM modulation are disclosed. A method comprises receiving a control signal, wherein the control signal includes a MCS index, a resource assignment index and a repetition number index; and transmitting or receiving a coded data on a set of subcarrier (s) with a transmission repetition number, wherein the coded data is associated with a modulation type and a transport block size, wherein the transport block size is determined by a combination of a transport block size index and the resource assignment index.
    Type: Application
    Filed: September 24, 2020
    Publication date: June 22, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230199729
    Abstract: The present application relates to method and apparatus for slot format indication in Non-terrestrial networks (NTN) system. A method performed by a user equipment (UE) is disclosed, wherein the method comprises: receiving information indicating one or more slot formats, wherein each slot format comprises a plurality of symbols each indicated as a downlink symbol, a uplink symbol or a flexible symbol; and performing transmission or reception based on the one or more slot formats.
    Type: Application
    Filed: June 2, 2020
    Publication date: June 22, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Bingchao Liu, Haiming Wang
  • Publication number: 20230188268
    Abstract: Methods and apparatuses for determining HARQ process number are disclosed. A method comprises receiving a control signal; and receiving a downlink data or transmitting an uplink data based on the control signal, the downlink data or the uplink data is associated with a HARQ process number.
    Type: Application
    Filed: May 22, 2020
    Publication date: June 15, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230156682
    Abstract: Embodiments of the present disclosure relate to methods and apparatus for dynamic FDM between a parent link and a hild link in an IAB network. According to an embodiment of the present disclosure, a method includes: receiving indication information from a parent node of an IAB node, wherein the indication information indicates at least one frequency domain resource of an operating band associated with one of a parent link between the IAB node and the parent node and a child link between the IAB node and a child node of the IAB node; and determining a set of frequency domain resources for the child link from the operating band at least based on the indication information.
    Type: Application
    Filed: April 24, 2020
    Publication date: May 18, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Lianhai Wu, Zhi Yan, Yuantao Zhang, Haiming Wang
  • Publication number: 20230141941
    Abstract: The present application relates to a user equipment, a base station, and a method for determining control resource set. The base station transmits a configuration of a first control resource set to the user equipment. The user equipment receives the configuration of the first control resource set from the base station. The user equipment and the base station determine a second control resource set according to the first control resource set.
    Type: Application
    Filed: April 1, 2020
    Publication date: May 11, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Zhi Yan, Hongmei Liu, Haiming Wang
  • Publication number: 20230071326
    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: Application
    Filed: February 14, 2020
    Publication date: March 9, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Yingying Li, Zhi Yan, Hongmei Liu, Haiming Wang
  • Publication number: 20230075748
    Abstract: Methods and apparatuses for narrowband Internet-of-things (NBIoT) hybrid automatic repeat request (HARQ) related enhancement in a non-terrestrial network (NTN) are disclosed. A method comprises transmitting a control signal, the control signal includes at least one of a transmission repetition number index, a scheduling delay index, a resource assignment index, a NDI, a HARQ resource indication, and a MCS index; and transmitting or receiving a data signal based on the control signal, the data signal starts at the end of the control signal plus a first number of time slots, the data signal includes a second number of transmission repetitions of a third number of time durations.
    Type: Application
    Filed: February 14, 2020
    Publication date: March 9, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230064881
    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: Application
    Filed: February 27, 2020
    Publication date: March 2, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Yingying Li, Haiming Wang
  • Publication number: 20230060015
    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: Application
    Filed: January 22, 2020
    Publication date: February 23, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Haipeng Lei
  • Publication number: 20230030756
    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: Application
    Filed: January 10, 2020
    Publication date: February 2, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Yi Zhang, Zhi Yan, Hongmei Liu, Haiming Wang
  • Publication number: 20230008945
    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: Application
    Filed: January 3, 2020
    Publication date: January 12, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Yi Zhang, Hongmei Liu, Haiming Wang
  • Publication number: 20220418000
    Abstract: Embodiments of the present application relate to a method and an apparatus for random access procedure. According to an embodiment of the present application, a method can include: receiving, at a user equipment (UE), synchronization information; and determining an initial uplink (UL) bandwidth part (BWP) for the UE based on a random access channel (RACH) occasion associated with the synchronization information. Embodiments of the present application provide methods for determining an initial UL BWP for the UE. Accordingly, embodiments of the present application can facilitate the implementation of the random access procedure for the NR-Light UE.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 29, 2022
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haipeng Lei, Haiming Wang