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: 20240040583
    Abstract: Methods and apparatuses for common TX beam indication and application for UL transmission are disclosed. In one embodiment, a method comprises receiving a higher layer parameter to enable common UL beam for UL transmission for a serving cell; receiving a DCI format 1_1 or 1_2 containing TCI field indicating a TCI state; and determining the common UL beam for UL transmission and the power control parameters for the UL transmission according to the TCI state indicated in the TCI field of the DCI.
    Type: Application
    Filed: December 29, 2020
    Publication date: February 1, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Bingchao Liu, Hongmei Liu, Lianhai Wu, 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: 20240022364
    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: Application
    Filed: July 27, 2023
    Publication date: January 18, 2024
    Applicant: NEC CORPORATION
    Inventors: Lei Jiang, Hongmei Liu, Gang Wang, Zhennian Sun, Chuangxin Jiang
  • Publication number: 20240016023
    Abstract: A display panel and a method for manufacturing same are provided. The display panel includes a light emitting device layer and a light filter layer. The light filter layer is arranged on a light-emitting side of the light emitting device layer. The light filter layer includes color resists and a light-shielding layer adjacently arranged. Each color resist has an extension portion, and the extension portion of the color resist is stacked and arranged in a pixel spacer portion of the display panel to form the light-shielding layer. Therefore, a laminated structure which can effectively prevent color shifts of light emitted from inside of the display panel is provided, thereby improving display effect of the display panel.
    Type: Application
    Filed: May 18, 2021
    Publication date: January 11, 2024
    Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Hongmei LIU
  • Patent number: 11856563
    Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: determining first temporal information that indicates when a channel becomes available; and determining, based on the first temporal information and transmission opportunity information, second temporal information that indicates an end of the fractional subframe transmission.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: December 26, 2023
    Assignee: NEC CORPORATION
    Inventors: Lei Jiang, Hongmei Liu, Gang Wang, Zhennian Sun, Chuangxin Jiang
  • 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
  • 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
  • Patent number: 11799610
    Abstract: The present disclosure is directed to a method and apparatus for allocating PUCCH resource for HARQ-ACK and CSI transmission. According to an embodiment of the present disclosure, a method includes determining whether a HARQ-ACK transmission overlaps with a CSI transmission in time domain; in response to the HARQ-ACK transmission overlapping with the CSI transmission in the time domain, determining whether the sum of the UCI bits for the HARQ-ACK transmission and the UCI bits for the CSI transmission is within a UCI payload threshold supported by at least a PUCCH resource or at least a PUCCH resource set configured for the HARQ-ACK transmission; and allocating a PUCCH resource to the HARQ-ACK transmission and the CSI transmission based on whether the sum of the UCI bits for the HARQ-ACK transmission and the UCI bits for the CSI transmission is within the UCI payload threshold supported by the at least one PUCCH resource or at least one PUCCH resource sets.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: October 24, 2023
    Assignee: Lenovo (Beijing) Limited
    Inventors: Hongchao Li, Lianhai Wu, Hongmei Liu, Zhennian Sun
  • 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
  • Patent number: 11792654
    Abstract: A method for performing transmission between a base station and a terminal device according to a frame structure over an unlicensed spectrum in a wireless network that supports communications over a licensed spectrum and the unlicensed spectrum. The frame structure includes a first set of time resources and at least a first number of consecutive downlink subframes. The method includes determining, during the first set of time resources, availability of an unlicensed carrier in the unlicensed spectrum and reserving a subset in the first set of time resources on the unlicensed carrier upon the unlicensed carrier being determined to be available. The method also includes performing downlink transmission from the base station to the terminal device at least partially within the first number of consecutive downlink subframes on at least the unlicensed carrier in response to a duration of the reserved subset of time resources expiring.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: October 17, 2023
    Assignee: NEC CORPORATION
    Inventors: Lei Jiang, Hongmei Liu, Chuangxin Jiang, Gang Wang
  • Patent number: 11792681
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving information for configuring a trigger condition that an integrated access and backhaul node reports load information of at least one integrated access and backhaul node; and reporting the load information of the at least one integrated access and backhaul node in the case that the trigger condition is met, wherein the load information includes a load status indicator of the integrated access and backhaul node.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: October 17, 2023
    Assignee: Lenovo (Beijing) Limited
    Inventors: Lianhai Wu, Prateek Basu Mallick, Joachim Lohr, Hongmei Liu, Haiming Wang, Jing Han
  • 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: 20230319938
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for reestablishment in a wireless communication system. According to some embodiments of the present disclosure, a method includes: receiving, at a user equipment (UE) from a first base station (BS), conditional reestablishment configuration information indicating a set of execution conditions for a set of candidate cells; and evaluating the set of execution conditions based on the conditional reestablishment configuration information in response to the reception of conditional reestablishment configuration information. The leaving indication is sent to the serving cell in response to the initiation of the conditional reestablishment. The RLF report is reported in response to the failure of conditional reestablishment or an RLF event when the conditional reestablishment is configured.
    Type: Application
    Filed: July 31, 2020
    Publication date: October 5, 2023
    Inventors: Lianhai WU, Mingzeng DAI, Hongmei LIU, 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: 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