Patents by Inventor Hongmei Liu

Hongmei Liu 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: 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
  • Patent number: 11764917
    Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: in response to detecting that a channel becomes available, determining a target position from at least one potential position predefined in a subframe; and performing the fractional subframe transmission from the target position.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: September 19, 2023
    Assignee: NEC CORPORATION
    Inventors: Lei Jiang, Hongmei Liu, Gang Wang, Zhennian Sun, Chuangxin Jiang
  • 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: 20230276336
    Abstract: Embodiments of the present application relate to methods and apparatuses for handling a conditional handover (CHO) condition in a non terrestrial network (NTN) environment.
    Type: Application
    Filed: July 28, 2020
    Publication date: August 31, 2023
    Inventors: Lianhai WU, Min Xu, Mingzeng DAI, Hongmei LIU, Ran YUE
  • 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
  • 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: 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
  • Patent number: 11722966
    Abstract: Methods and apparatuses for power control are disclosed. A method comprises: receiving a first signaling indicating one or multiple power values for a downlink reception from a node, each power value being associated with a spatial domain filter, and determining a power value for the downlink reception from the node.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: August 8, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Hongmei Liu, Lianhai Wu, Haipeng Lei, Zhennian Sun, Zhi Yan
  • 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: 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: 20230235098
    Abstract: Disclosed are a spherelike supermacroporous mesoporous material, a polyolefin catalyst, and a preparation method therefor and an olefin polymerization process. The spherelike supermacroporous mesoporous material has a twodimensional hexagonal ordered pore channel structures. The mesoporous material has an average pore size of 10 nm to 15 nm, a specific surface area of 300 m2/g to 400 m2/g, and an average particle size of 1 µm to 3 µm, based on the total mass of the mesoporous material. The mass content of water in the mesoporous material is < 1 ppm. The mass content of oxygen in the mesoporous material is < 1 ppm. When a polyolefin catalyst prepared with the mesoporous material as a carrier is used for an olefin polymerization reaction, the a polyolefin product with a narrow molecular weight distribution and a good melt index can be obtained.
    Type: Application
    Filed: October 30, 2020
    Publication date: July 27, 2023
    Inventors: Yu KANG, Xinping LYU, Dongbing LIU, Zifang GUO, Hongmei LIU, Bingyi LI, Ruen 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: 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
  • Patent number: 11706001
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method comprises: receiving, at a user equipment (UE), a request to determine a spatial information for configuring a sounding reference signal (SRS) resource, and transmitting the SRS resource according to the spatial information determined by the UE.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: July 18, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Chenxi Zhu, Bingchao Liu, Zhennian Sun, Hongmei Liu, Wei Ling, Yingying Li
  • 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: 20230208498
    Abstract: Methods and apparatuses for recovering from beam failure are disclosed. A method of recovering from beam failure, comprising: sending a beam failure recovery request message including information regarding beam failure recovery and information regarding a new candidate beam via a working beam of a first cell; monitoring a response via the new candidate beam of a second cell; and receiving the response via the new candidate beam from the second cell.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Inventors: Chenxi Zhu, Lianhai Wu, Zhennian Sun, Hongmei Liu
  • 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