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: 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: 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
  • Patent number: 11672024
    Abstract: Method and apparatus for transmission of data based on a resource configuration and reception of a response signal are disclosed. The apparatus includes a receiver that receives a resource configuration; and a transmitter that transmits a data based on the resource configuration; wherein the receiver further receives a feedback control signal of the data in a first search space; wherein the resource configuration includes at least one of: a resource for the data, a period of the resource P, a duty cycle of the resource D, a duty period of the resource Ton, a frequency band of the feedback control signal, a transport block size of the data, a modulation and code scheme of the data, a number of repetitions of the feedback control signal R, a first scaling factor G of the first search space, a reduced blind detection indication, and a response window size T to receive the feedback control signal.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 6, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Zhi Yan, Haipeng Lei, Hongmei Liu, Jie Shi, Haiming Wang
  • Publication number: 20230165779
    Abstract: A method for reducing the appearance of post-acne marks, lightening dark spots and discoloration, fading post-acne marks faster and/or preventing appearance of new post-acne marks by applying a skin care composition. The skin care composition contains a vitamin B3 compound, hydroxycinnamic acid, and water at a pH of less than 5.0.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 1, 2023
    Inventors: Matthew Clair Ehrman, DISSANAYAKE MUDIYANSELAGE MAHATHMA BANDARA DISSANAYAKE, Joseph Michael Zukowski, Wan Ting Chung, Zhi Yan Chew, Shikhar Gupta
  • Publication number: 20230165767
    Abstract: Low-pH, aqueous skin care composition, comprising: a) about 0.1% to about 10% of a hydroxycinnamic acid (HCA); b) about 0.1% to about 10% of a polar emollient; c) from about 1.5% to less than 20% of a co-solvent with a Hansen solubility parameter distance of less than 15 from the—hydroxycinnamic acid (HCA); and d) water, wherein the pH of the composition is about 5.0 or less, and wherein the composition meets at least one of the following conditions (i)-(iii): (i) the composition further contains from about 0.1% to about 10% of a vitamin B3 compound; (ii) the weight ratio between HCA and the polar emollient is from about 1:1 to about 1:10; and (iii) the composition further contains from about 0.1% to about 5% of a sensory improving ingredient selected from the group consisting of: sugar alcohols, sugar-based emulsifiers, modified sugar derivatives, and mixtures thereof.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 1, 2023
    Inventors: Matthew Clair Ehrman, Wan Ting Chung, Zhi Yan Chew, Shikhar Gupta
  • Publication number: 20230165768
    Abstract: A low-pH, aqueous skin care composition, comprising: a) 0.1 to 10% of a hydroxycinnamic acid (HCA); and b) 0.1% to 5% of a hydrotrope selected from the group consisting of: phenolic acid, derivatives of phenolic acid, phenolic alcohol, derivatives of phenolic alcohol, and mixtures thereof; wherein the hydrotrope has a pKA less than the formula pH; and wherein the hydrotrope has the partition coefficient (logP) of less than 3.0; c) water, and wherein the pH of the composition is less than 5.0.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 1, 2023
    Inventors: Matthew Clair Ehrman, Wan Ting Chung, Zhi Yan Chew
  • Patent number: 11665670
    Abstract: The present disclosure is directed to a method and apparatus for transmission resource selection. According to an embodiment of the present disclosure, a method includes: selecting a transmission resource for a sidelink transmission; generating an indication signaling for indicating the sidelink transmission on the selected transmission resource; and transmitting the indication signaling on a detection resource, which is a time-frequency resource prior to the selected transmission resource. Embodiments of the present disclosure solve the technical problem concerning the transmission resource selection in a V2X system.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: May 30, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Xiaodong Yu, Haipeng Lei, Zhi Yan, Chenxi Zhu
  • 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: 20230156609
    Abstract: Embodiments of the present application are directed to a method and apparatus for power control. In an embodiment of the present application, the method includes transmitting an uplink signal, wherein a transmission power of the uplink signal is determined according to a power control scheme, and the power control scheme is selected from at least one of an open loop power control scheme, a first closed loop power control scheme, a second closed loop power scheme with power ramping step selection, a third closed loop power scheme with scaling factor to power adjustment indicator, a fourth closed loop power scheme with later uplink signal corresponding power adjustment indicator adoption.
    Type: Application
    Filed: September 29, 2019
    Publication date: May 18, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Haipeng Lei, Jie Shi, Lianhai Wu, Haiming Wang
  • Publication number: 20230149008
    Abstract: The present invention pertains to a hollow two-section implantation knotless suture anchor which comprises a main body, a tightening element and a taper. The main body comprises a front part, a rear part, a middle part, a first penetration part, a first accommodation space, a first thread, a tapered structure, and a perforation. The tightening element comprises a second penetration part and a second accommodation space. The taper comprises a taper body and a taper head. Moreover, the suture can pass through the perforation on the outside of the main body through the perforation. Afterthat it can pass through the first accommodation space and then the second accommodation space on the outside of the tightening element from the side of the tightening element opposite to the main body. Finally, it can extend on the outside of the main body. Hence, by pulling the ends of the suture, the tightness of the suture tightened by the tightening element and the front part is adjustable.
    Type: Application
    Filed: July 29, 2022
    Publication date: May 18, 2023
    Inventors: Wei-Ren SU, Jiu-Zhi YAN
  • 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: 20230133180
    Abstract: Provided is a modeling method and apparatus for a model of tracing the origin of durians, and a method for tracing the origin of durians. The modeling method includes obtaining isotope analysis data of pulp and seeds of durians of a target production area; generating a model of tracing the origin for a corresponding target production area through a preset analysis modeling algorithm using the isotope analysis data and information of the corresponding target production area; and validating an accuracy of the model of tracing the origin using the isotope analysis data of the target production area and other production areas, to obtain the accuracy of the model. The modeling method for a model of tracing the origin of durians of the present application performs isotope analysis on durians of the target production area, and generates a corresponding model of tracing the origin after obtaining isotope analysis data.
    Type: Application
    Filed: March 5, 2021
    Publication date: May 4, 2023
    Inventors: Hao Wu, Baohui Jin, Zhi Yan, Xu Zhao, Chengui Xiao, Xiuwen Zhou
  • Publication number: 20230095135
    Abstract: The present application relates to a method and apparatus for MPDCCH performance enhancement. One embodiment of the present disclosure provides an apparatus comprising: a receiver that receives a first reference signal, a second reference signal and a control signal; and a processer that decodes the control signal based on at least one of: the first reference signal and the second reference signal, wherein the second reference signal on an antenna port is associated with a precoder, and the antenna port of the second reference signal and the precoder for the antenna port of the second reference signal are adopted within a time duration and a frequency band.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Zhi Yan, Hongmei Liu, Haipeng Lei, 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: 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: 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