Patents by Inventor Zhi YAN

Zhi YAN 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: 20240163823
    Abstract: Embodiments of the present application are related to a method and apparatus for determining TA value. An exemplary method according to some embodiments of the present application includes: receiving first downlink signalling information indicating a TA associated value at a first time instance; determining a reference TA value based on a second time instance, wherein the second time instance is determined based on second downlink signalling or predefined information; and determining a TA value for uplink transmission based on the TA associated value and the reference TA value.
    Type: Application
    Filed: April 9, 2021
    Publication date: May 16, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Bingchao Liu, Haiming Wang
  • Publication number: 20240155493
    Abstract: Embodiments of the present application relate to methods and apparatuses for discontinuous reception (DRX). According to an embodiment of the present application, a method may include: receiving configuration information for a plurality of search space sets (SSSs); in the case that one or more SSSs of the plurality of SSSs are associated with at least one SSS group (SSSG), determining at least one SSS from each SSSG; in the case that the plurality of SSSs include a set of SSSs outside any SSSG, determining at least one SSS from the set of SSSs; and detecting downlink control information (DCI) in a determined SSS, wherein the DCI includes a field indicating a power saving operation for physical downlink control channel (PDCCH) monitoring. Embodiments of the present application can efficiently indicate a power saving operation for PDCCH monitoring during the DRX active time.
    Type: Application
    Filed: March 12, 2021
    Publication date: May 9, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Patent number: 11973720
    Abstract: Apparatuses, methods, and systems are disclosed for efficient cross-carrier scheduling of multiple slots. One apparatus includes a transceiver and a processor coupled with the transceiver, the processor configured to cause the apparatus to transmit a first control signal to a remote unit, the first control signal indicating a maximum number of HARQ processes, and to transmit a second control signal to the remote unit, where the second control signal is transmitted on a first carrier and where the second control signal schedules a first number of slots on a second carrier. The processor aggregates every two or more of the scheduled first number of slots to a single HARQ process in response to the first number being larger than the maximum number of HARQ processes.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: April 30, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Haipeng Lei, Xiaodong Yu, Zhi Yan, Lianhai Wu, Robert Tristan Love, Ravi Kuchibhotla
  • Publication number: 20240121829
    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 determining an association among a first random access channel (RACH) occasion (RO), a preamble, and a second RO, and receiving an random access response (RAR) in an Msg2 at least according to the second RO in response to transmitting the preamble in the first RO.
    Type: Application
    Filed: December 8, 2020
    Publication date: April 11, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haiming Wang
  • Patent number: 11943749
    Abstract: Method and apparatus for data transmission are disclosed. One method of a network equipment includes scrambling and modulating coded bits to generate data; mapping the data into a first resource block and a second resource block, both of which forms a resource block, wherein the first resource block is from a symbol with an indicated index to a symbol with an end index of the resource block, the second resource block is from a symbol with a start index to a symbol with the indicated index minus one of the resource block; and transmitting the data in the resource blocks.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: March 26, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Hongmei Liu, Haipeng Lei, Yingying Li, Haiming Wang
  • Publication number: 20240093373
    Abstract: A method for preparing antibacterial stainless steel by surface alloying includes the steps of coating an infiltration promoter layer on a stainless steel surface, coating an antibacterial metal layer on a surface of the infiltration promoter layer, and performing heat treatment of the stainless steel to diffuse an antibacterial metal into the stainless steel. This method can be applied to various types of stainless steel, and the antibacterial metal can be diffused and quenched into the stainless steel, such that the finally formed surface of the stainless steel has an antibacterial alloy layer with a specific thickness to provide better corrosion resistance and antibacterial ability without changing the advantages and properties of the antibacterial metal or stainless steel substrate, and the thickness and concentration of the antibacterial metal layer, and the parameters for heat treatment can be adjusted to control the chemical composition and thickness of the antibacterial alloy layer.
    Type: Application
    Filed: November 16, 2022
    Publication date: March 21, 2024
    Inventors: WEN-TA TSAI, BERNARD HAOCHIH LIU, ZHI-YAN CHEN, CHONG-CHENG HUANG
  • Publication number: 20240080767
    Abstract: A method and an apparatus for monitoring physical downlink control channels (PDCCHs) are provided. The method may be performed by a UE. The method includes receiving a plurality of first configuration sets respectively associated with a plurality of first search space sets; receiving a first indication indicating a group index; and performing PDCCH monitoring in the first search space sets based on a first group configuration indicated by the first indication. Each first configuration set includes a first common configuration and at least one first group configuration.
    Type: Application
    Filed: January 8, 2021
    Publication date: March 7, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Haiming Wang
  • Publication number: 20240064700
    Abstract: Embodiments of the present application relate to methods and apparatuses for paging. An exemplary method may include: receiving paging configuration information, paging early indication (PEI) configuration information, and paging occasion (PO) association configuration information; determining a target PO associated with a UE based on the paging configuration information; determining a PEI based on the target PO and the PEI configuration information; determining a first time period for the PEI based on the PO association configuration information; and in the case that the target PO is within the first time period, determining that the target PO is associated with the PEI.
    Type: Application
    Filed: January 15, 2021
    Publication date: February 22, 2024
    Inventors: Yuantao Zhang, Yingying Li, Hongmei Liu, Zhi Yan, Haiming Wang
  • 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: 20240063971
    Abstract: Embodiments of the present application are related to a method and apparatus for resource allocation. An exemplary method of the present application includes: receiving, from a first node, at least one signaling indicating at least one of first spatial domain filter configuration information and first demodulation reference signal (DMRS) configuration information for a first link of a second node, and receiving or transmitting data on a second link of the second node, wherein the first link is the same as or different from the second link.
    Type: Application
    Filed: December 30, 2020
    Publication date: February 22, 2024
    Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Lianhai Wu, Haiming Wang
  • Patent number: 11909527
    Abstract: Apparatus and method for CBG-based retransmission are disclosed. An apparatus comprising: a receiver that receives a first number of TBs, wherein each TB includes a second number of code block groups (CBGs); a processor that decodes the first number of TBs; and a transmitter that transmits a signaling comprising a first field corresponding to the first number of TBs and a second field corresponding to the CBGs included in a third number of TBs, wherein the third number of TB s are the incorrectly decoded TBs in the first number of TBs.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: February 20, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Haipeng Lei, Zhi Yan, Xiaodong Yu, 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: 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: 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: 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
  • Patent number: 11824811
    Abstract: The present application relates to a method and apparatus for fallback operation for a semi static HARQ-ACK codebook determination. One embodiment of the present disclosure provides an apparatus including a receiver that receives at least one downlink (DL) transmission within a DL association set. The apparatus also includes a processor that determines whether to use a fallback hybrid automatic repeat request acknowledgement (HARQ-ACK) transmission and a transmitter that transmits a first HARQ-ACK codebook on a first resource for the DL association set in response to the fallback HARQ-ACK transmission being used or a second HARQ-ACK codebook on a second resource for the DL association set in response to the fallback HARQ-ACK transmission being used.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: November 21, 2023
    Assignee: Lenovo (Beijing) Limited
    Inventors: Haipeng Lei, Haiming Wang, Zhi Yan, Xiaodong Yu
  • 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