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: 20240064677
    Abstract: Methods and apparatuses for reporting TA in NTN are disclosed. A method comprises transmitting a reported value in a data message, wherein the reported value is at least one of a first reported value based on an offset value, a second reported value based on a differential offset value and a third reported value based on an offset drift rate value, the differential offset value is a differential value of a reference value, the offset drift rate value is an offset drift in a time period.
    Type: Application
    Filed: December 31, 2020
    Publication date: February 22, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Haiming Wang
  • Publication number: 20240064528
    Abstract: Embodiments of the present application relates to a method and an apparatus for reporting channel state information. An exemplary method includes: receiving a first RS on a first link with a first spatial domain receive filter or trans-receiving a first RS on a first link with mitting the first RS on the first link with a first spatial domain transmit filter; receiving a set of second RSs on a second link with a second spatial domain receive filter or transmitting the set of second RSs on the second link with a second spatial domain transmit filter; and transmitting a CSI report, wherein the CSI report includes: at least one of an index of the first RS and a PMI associated with the first RS; and a set of CSI at least based on the set of second RSs.
    Type: Application
    Filed: December 15, 2020
    Publication date: February 22, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Lianhai Wu, Haiming Wang
  • Publication number: 20240056278
    Abstract: Embodiments of the present application are related to methods and apparatuses a physical uplink shared channel (PUSCH) repetition enhancement mechanism for a time division duplex (TDD) scenario. A method according to an embodiment of the present application includes: receiving downlink control information (DCI) including a time domain resource assignment field; determining a time domain resource in each of one or more available uplink slots based on the time domain resource assignment field in the DCI, to obtain the determined one or more time domain resources; and transmitting uplink (UL) data on the determined one or more time domain resources.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 15, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yingying Li, Zhi Yan, Hongmei Liu, Yuantao Zhang, Haiming Wang
  • Publication number: 20240031112
    Abstract: The present application relates to a method and an apparatus for Physical Downlink Control Channel (PDCCH) monitoring. One embodiment of the subject application provides a method performed by a first type of user equipment (UE), which includes: receiving search space set configuration including one or more search space subsets, wherein each search space subset includes at least one aggregation level and a total number of candidates associated with each aggregation level, and wherein each search space subset is independently configured for a Physical Downlink Control Channel (PDCCH) monitoring occasion group including at least one PDCCH monitoring occasion; and determining a candidate set for each search space subset for PDCCH monitoring.
    Type: Application
    Filed: December 4, 2020
    Publication date: January 25, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Yingying Li, Hongmei Liu, Zhi Yan, Haiming Wang
  • Publication number: 20230412337
    Abstract: Embodiments of the present application are related to a method and apparatus for determining active bandwidth part (BWP). According an embodiment of the present application, an exemplary method includes: receiving first configuration information indicating association between BWP and reference signal (RS); determining a first RS, which is indicated by second configuration information, or user equipment (UE) selected, or predefined in specification(s); and determining an active BWP based on the first RS and the association between BWP and RS.
    Type: Application
    Filed: October 14, 2020
    Publication date: December 21, 2023
    Inventors: Hongmei LIU, Zhi YAN, Yuantao ZHANG, Bingchao LIU, Haiming WANG
  • Publication number: 20230403120
    Abstract: Embodiments of the present disclosure relate to methods and apparatus for control resource set (CORESET) configuration. According to an embodiment of the present disclosure, a method may include: receiving a configuration of a CORESET, wherein the CORESET includes a set of resource units (RUs), and the configuration indicates at least one of a time duration of the CORESET, a pattern of the set of RUs, or an RU size; and determining the set of RUs of the CORESET based at least in part on the at least one of the time duration, the pattern, or the RU size.
    Type: Application
    Filed: October 16, 2020
    Publication date: December 14, 2023
    Inventors: Yingying LI, Yuantao ZHANG, Zhi YAN, Hongmei LIU, Haiming WANG
  • Publication number: 20230403718
    Abstract: Disclosed are methods for a random access. One embodiment of the subject application provides a method performed by a user equipment, comprising sending a first message including a preamble; receiving a downlink control information (DCI) for scheduling a second message; determining a first resource, which is allocated based on a first resource unit; determining existence of a second resource, which is allocated based on a second resource unit, according to the DCI; and receiving the second message based on the determination. Related apparatuses are also disclosed.
    Type: Application
    Filed: September 30, 2020
    Publication date: December 14, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Publication number: 20230397225
    Abstract: Disclosed are methods and apparatuses for small data transmission in random access. One embodiment of the subject application provides a method performed by a user equipment, including monitoring at least one radio network temporary identifier for receiving a first downlink control information (DCI), and receiving the first DCI.
    Type: Application
    Filed: October 22, 2020
    Publication date: December 7, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Ran Yue, Hongmei Liu, Zhi Yan, Haiming Wang
  • Publication number: 20230362980
    Abstract: Methods and apparatuses for optimization of RACH procedure in non-terrestrial network are disclosed. A method comprises transmitting a preamble on a RACH resource from an uplink time slot, which is a first time advance before corresponding downlink time slot; and monitoring a control signal from a first time offset after the end of the transmission of the preamble.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 9, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Haiming Wang
  • Publication number: 20230337273
    Abstract: Disclosed are methods for a RA. One embodiment of the subject application provides a method performed by a user equipment, comprising: transmitting a first type of message in a first uplink bandwidth part (BWP) if at least one second uplink BWP is not configured or configured but deactivated, or transmitting the first type of message in the at least one second uplink BWP if the at least one second uplink BWP is configured and activated; and receiving a first type of response message, wherein the first uplink BWP is configured in system information block 1 (SIB1). Related apparatuses are also disclosed.
    Type: Application
    Filed: September 11, 2020
    Publication date: October 19, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Ran Yue, Haiming Wang
  • Publication number: 20230318760
    Abstract: The present application relates to a user equipment, a base station, and a method for frequency hopping. The base station transmits a first configuration of a first BWP and at least one parameter associated with at least one second BWP to the user equipment. The user equipment determines determining the at least one second BWP for frequency hopping according to the first configuration and the at least one parameter.
    Type: Application
    Filed: August 17, 2020
    Publication date: October 5, 2023
    Inventors: Yingying LI, Zhi YAN, Hongmei LIU, Yuantao ZHANG, Haiming WANG
  • Publication number: 20230309149
    Abstract: Disclosed are methods for a RA. One embodiment of the subject application provides a method performed by a user equipment, comprising receiving configurations from a base station, and associating at least one first preamble for a first type of user equipments (UEs) with at least one first physical uplink shared channel (PUSCH) resource unit (PRU) configured for the first type of UEs or at least one unused second PRU configured for a second type of UEs according to at least one of a mapping indication, a mapping ratio, an ordering of the at least one first preamble, an ordering of the at least one unused second PRU or an ordering of the at least one first PRU. Related apparatuses are also disclosed.
    Type: Application
    Filed: September 25, 2020
    Publication date: September 28, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Publication number: 20230309028
    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: Application
    Filed: June 19, 2020
    Publication date: September 28, 2023
    Applicant: Lenovo (Beijing) Ltmited.
    Inventors: Yingying Li, Hongmei Liu, Zhi Yan, Yuantao Zhang, Haiming Wang
  • Publication number: 20230300770
    Abstract: Embodiments of the present application are directed to a method and apparatus for delay indication. The method may include: receiving at least one signaling indicating at least one of a timing advance (TA) and a time domain difference between reception on a downlink (DL) channel and transmission on an uplink (UL) channel; and determining the at least one of the TA and the time domain difference based on the at least one signaling.
    Type: Application
    Filed: August 21, 2020
    Publication date: September 21, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Bingchao Liu, Haiming Wang
  • Publication number: 20230300769
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for determining a timing advance value. According to some embodiments of the present disclosure, a method includes: receiving, from a second node at a third node, information related to a timing advance (TA) value for uplink transmissions, wherein the second node is a parent node of the third node; and determining a first TA value for uplink transmissions based on the information.
    Type: Application
    Filed: August 6, 2020
    Publication date: September 21, 2023
    Inventors: HONGMEI LIU, ZHI YAN, YUANTAO ZHANG, LIANHAI WU, HAIMING WANG
  • Publication number: 20230300786
    Abstract: Embodiments of the present application are directed to a method and apparatus for paging dedicated for devices with reduced capabilities. The method may include: receiving a DCI identified with a P-RNTI in a PO; and obtaining information dedicated for a device with reduced capabilities according to the DCI.
    Type: Application
    Filed: July 3, 2020
    Publication date: September 21, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Yingying Li, Hongmei Liu, Zhi Yan, Ran Yue, Haiming Wang
  • Publication number: 20230291524
    Abstract: Embodiments of the present disclosure relate to methods and apparatus for channel state measurement and reporting. According to an embodiment of the present disclosure, a method may include: transmitting, from a first node, a first signaling indicating a resource configuration of a kind of reference signal for a second node and a first identifier associated with the second node; and receiving a second signaling indicating a reporting metric associated with the reference signal and a second identifier associated with the reference signal.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 14, 2023
    Inventors: HONGMEI LIU, ZHI YAN, YUANTAO ZHANG, LIANHAI WU, HAIMING WANG
  • Publication number: 20230283438
    Abstract: Embodiments of the present application are directed to a method and apparatus for frequency hopping for control channels for devices with reduced capabilities. The method may include: receiving configurations of a plurality of bandwidth parts (BWPs); receiving a configuration of control channel offset for a control channel; determining a corresponding control channel resource in a corresponding BWP for each set of a plurality of sets of repetitions by using at least the configuration of the control channel offset and the configurations of the BWPs.
    Type: Application
    Filed: August 6, 2020
    Publication date: September 7, 2023
    Inventors: YUANTAO ZHANG, YINGYING LI, HONGMEI LIU, ZHI YAN, HAIMING WANG
  • Publication number: 20230268974
    Abstract: Embodiments of the present application are related to a method and apparatus for determining quasi co-location (QCL) reference signal (RS). According an embodiment of the present application, an exemplary method includes: receiving first configuration information indicating association between bandwidth part (BWP) and QCL RS; determining a first QCL RS associated with a first BWP, which is indicated by second configuration information or predefined in specification (s); and determining a second QCL RS associated with the first BWP based on the first QCL RS and the association between BWP and QCL RS.
    Type: Application
    Filed: September 30, 2020
    Publication date: August 24, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Bingchao Liu, Haiming Wang
  • Publication number: 20230269750
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for physical downlink control channel (PDCCH) monitoring. According to an embodiment of the present disclosure, a method may include: receiving first configuration information indicating that at least two search space sets are associated; and detecting downlink control information (DCI) in the at least two search space sets based on the first configuration information.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 24, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Yuantao Zhang, Zhi Yan, Hongmei Liu, Yingying Li, Haiming Wang