Patents by Inventor Meng Cheng

Meng Cheng 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).

  • Patent number: 12272824
    Abstract: Embodiments of the present application provide a lithium metal negative electrode, a preparation method therefor and related lithium metal battery and device. The lithium metal negative electrode may comprise: a negative electrode current collector; at least one lithium-based metal layer provided on at least one surface of the negative electrode current collector; and an ion-conducting polymer modification layer, which is located on the surface of one of the at least one lithium-based metal layer and comprises at least catalytic amount of a Lewis acid, the Lewis acid containing cations of a metal capable of forming an alloy-type active material with lithium.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: April 8, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Chengyong Liu, Meng Cheng, Ang Fu, Bobing Hu, Yongsheng Guo, Quan Fan
  • Publication number: 20240251334
    Abstract: A terminal apparatus receives first information including second information indicating a parameter for an initial DL BWP and third information indicating a parameter for a PDCCH, the second information including fourth information indicating a first frequency location and bandwidth of the initial DL BWP and fifth information indicating a subcarrier spacing, the frequency location and bandwidth of the initial DL BWP is indicated by sixth information indicating a second frequency location and bandwidth of the initial DL BWP in a case that the first information includes the sixth information, and is indicated by the fourth information in a case that the first information does not include the sixth information, and the PDCCH is monitored based on the third information regardless of whether the first information includes the sixth information or not.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 25, 2024
    Inventors: Hiroki TAKAHASHI, Shohei YAMADA, Liqing LIU, Meng CHENG
  • Publication number: 20240237076
    Abstract: A UE includes reception circuitry configured to receive PRACH configuration information comprising a first RSRP threshold and a first list of preamble index ranges, and control circuitry configured to, if one of one or more SSBs with SS-RSRP above the first RSRP threshold is available, select an SSB with SS-RSRP above the first RSRP threshold; else select any SSB, wherein in a first case that the PRACH configuration information further provides a second list of preamble index ranges, the control circuitry is further configured to select a preamble from the preamble index range associated with the selected SSB among the preamble index ranges in second list, in a second case that the PRACH configuration information does not provide the second list, the control circuitry is further configured to select a preamble from the preamble index range associated with the selected SSB among the preamble index ranges in the first list.
    Type: Application
    Filed: March 15, 2022
    Publication date: July 11, 2024
    Inventors: Meng CHENG, SHOHEI YAMADA, LIQING LIU, HIROKI TAKAHASHI
  • Publication number: 20240187037
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a random access response (RAR), wherein the RAR contains a RAR uplink (UL) grant scheduling a PUSCH transmission; and determining, for the PUSCH transmission, a frequency hopping mode from two frequency hopping modes, intra-slot frequency hopping and inter-slot frequency hopping, wherein in a first case that the PUSCH transmission is scheduled with repetitions across multi-slots, the inter-slot frequency hopping is determined for the PUSCH transmission, in a second case that the PUSCH transmission is scheduled without repetition, the intra-slot frequency hopping is determined for the PUSCH transmission.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 6, 2024
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI, Meng CHENG
  • Publication number: 20240163012
    Abstract: A user equipment includes reception circuitry configured to receive, from a base station, a PDCCH with a first DCI format, wherein the first DCI format schedules a PUSCH transmission; and control circuitry configured to perform the PUSCH transmission, in a case intra-slot frequency hopping is not enabled for the PUSCH transmission and a PUSCH repetition Type B is not applied to the PUSCH transmission, such that a first channel over which a first symbol on an antenna port used for an uplink transmission is conveyed can be inferred by the base station from a second channel over which a second symbol on the same antenna port is conveyed if the first symbol and the second symbol correspond to the same slot, and perform the PUSCH transmission in a case the PUSCH repetition Type B is applied to the PUSCH transmission, such that the first channel over which the first symbol on an antenna port used for an uplink transmission is conveyed can be inferred by the base station from the second channel over which the second
    Type: Application
    Filed: March 25, 2022
    Publication date: May 16, 2024
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20240137988
    Abstract: A UE includes reception circuitry configured to receive PRACH configuration information comprising a first RSRP threshold and a first list of preamble index ranges, and control circuitry configured to, if one of one or more SSBs with SS-RSRP above the first RSRP threshold is available, select an SSB with SS-RSRP above the first RSRP threshold; else select any SSB, wherein in a first case that the PRACH configuration information further provides a second list of preamble index ranges, the control circuitry is further configured to select a preamble from the preamble index range associated with the selected SSB among the preamble index ranges in second list, in a second case that the PRACH configuration information does not provide the second list, the control circuitry is further configured to select a preamble from the preamble index range associated with the selected SSB among the preamble index ranges in the first list.
    Type: Application
    Filed: March 14, 2022
    Publication date: April 25, 2024
    Inventors: Meng CHENG, SHOHEI YAMADA, LIQING LIU, HIROKI TAKAHASHI
  • Patent number: 11955371
    Abstract: A method for preparing a semiconductor device includes: providing a semiconductor substrate, in which a trench is formed on the semiconductor substrate, a filling layer is formed in the trench, and a void is formed in the filling layer; removing a portion of the filling layer to expose the void; forming a plug, in which the plug is configured to plug the void and extends into the void by at least a preset distance; and removing a portion of the filling layer and remaining the plug with at least a preset height until the filling layer reaches a preset thickness to form a contact hole.
    Type: Grant
    Filed: August 8, 2021
    Date of Patent: April 9, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Jingwen Lu, Hai-Han Hung, Meng-Cheng Chen
  • Publication number: 20240114521
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter including one or more entries, wherein each entry at least provides a value for ‘number of DMRS CDM groups without data’ and one value for one DMRS port index among one or more DMRS port indexes; and determining a bitwidth of an antenna port field in a DCI format at least based on a total count of the one or more entries included in the first RRC parameter; and receiving the DCI format with the antenna port field, wherein a value of the antenna port field indicates one of the one or more entries; and receiving a PDSCH scheduled by the DCI format based on the value of the ‘number of DMRS CDM groups without data’ and the DMRS port index associated to an entry corresponding to a value indicated in the antenna port field.
    Type: Application
    Filed: March 11, 2022
    Publication date: April 4, 2024
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20240073876
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from abase station, system information including a first RRC parameter, wherein the first RRC parameter provides a first physical uplink control channel (PUCCH) resource set; and determining a second PUCCH resource set for transmission of HARQ-ACK information on a PUCCH in a first case that the system information provides a second RRC parameter providing the second PUCCH resource set; and determining the first PUCCH resource set for transmission of HARQ-ACK information on the PUCCH in a second case that the system information does not provide the second RRC parameter, wherein each PUCCH resource set includes one or more PUCCH resources.
    Type: Application
    Filed: March 22, 2022
    Publication date: February 29, 2024
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI, Meng CHENG
  • Publication number: 20240048275
    Abstract: A user equipment (UE) is described. The UE includes reception circuitry configured to receive, from a base station, a physical downlink control channel (PDCCH) with a downlink control information (DCI) format with cyclic redundancy check (CRC) scrambled by TC-RNTI; and transmission circuitry configured to transmit, to the base station, a physical uplink shared channel (PUSCH) with a repetition number wherein the PUSCH is scheduled by the DCI format, a field of modulation and coding scheme (MCS) in the DCI format is reduced by one or more bits, and the one or more bits of the MCS field is used to indicate the repetition number for the PUSCH.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 8, 2024
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20240049292
    Abstract: A user equipment (UE) is described. The UE includes transmission circuitry configured to transmit, to a base station, a random access preamble with a random access preamble identifier (RAPID) in a physical random access channel (PRACH) occasion; and reception circuitry configured to receive, from the base station, a random access response (RAR), wherein the RAR contains a MAC subPDU with a RAPID corresponding to the transmitted preamble, the MAC subPDU provides a RAR uplink (UL) grant, a fixed 4 bit field of modulation and coding scheme (MCS) in the RAR UL grant is reduced by one or more bits, and the one or more bits of the MCS field is used to indicate a repetition number of a PUSCH scheduled by the RAR UL grant; and transmission circuitry further configured to transmit the PUSCH with the repetition number.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 8, 2024
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20240049278
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including physical random access channel (PRACH) configuration information, wherein the PRACH configuration information includes a list of preamble index ranges, where each preamble index range is associated with a synchronization signal block (SSB), wherein each preamble index range comprises one or a plurality of sub-ranges; and selecting, based on one or a plurality of reference signal received power (RSRP) values of a set of SSBs and a first RSRP threshold configured by a radio resource control (RRC) layer, an SSB from the set of SSBs; and selecting, based on the RSRP value associated with the selected SSB and one or more second RSRP thresholds configured by the RRC layer, a subrange from the one or a plurality of sub-ranges associated with the selected SSB; and selecting a preamble index from the selected sub-range.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 8, 2024
    Inventors: Meng CHENG, SHOHEI YAMADA, LIQING LIU, HIROKI TAKAHASHI
  • Publication number: 20240023185
    Abstract: A user equipment (UE) is described. The UE includes reception circuitry configured to receive, from a base station, a first radio resource control (RRC) parameter related to a search space set configuration, wherein the first RRC parameter includes one or more second RRC parameters, indicating a number of monitoring occasions R associated to each DCI; and monitoring circuity configured to monitor, based on the first RRC parameter, a set of PDCCH candidates for the search space set.
    Type: Application
    Filed: October 12, 2021
    Publication date: January 18, 2024
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Meng CHENG, LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI
  • Publication number: 20230413288
    Abstract: A method by a user equipment (UE) is described. The method includes transmitting, to a base station, a first radio resource control (RRC) parameter indicating first zero power channel state information reference signal (ZP CSI-RS) resource sets and a second RRC parameter indicating second ZP CSI-RS resource sets, and to receive a DCI format scheduling a physical downlink shared channel (PDSCH); and performing the PDSCH rate matching around unavailable resource elements (REs) for the PDSCH. The one or more REs of the PDSCH overlapped with REs of the first ZP CSI-RS resource sets or REs of the second ZP CSI-RS resource sets are determined as available REs or not available for the PDSCH at least based on the one, more or all of the first RRC parameter, the second RRC parameter, the DCI format type, and/or a DCI trigger field in the DCI format.
    Type: Application
    Filed: January 14, 2022
    Publication date: December 21, 2023
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20230389108
    Abstract: A user equipment (UE) is described. The UE includes reception circuitry configured to receive, from a base station, a first radio resource control (RRC) parameter related to a search space set configuration, wherein the first RRC parameter includes a plurality of second RRC parameters for a list of combinations, each of the second RRC parameters indicates a number of PDCCH candidates associated with a combination; and control circuitry configured to determine, based on the first RRC parameter, the number of PDCCH candidates for the search space set, and to monitor the PDCCH candidates determined by the number of PDCCH candidates.
    Type: Application
    Filed: October 12, 2021
    Publication date: November 30, 2023
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Meng CHENG, LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI
  • Publication number: 20230389039
    Abstract: A user equipment (UE) is described.
    Type: Application
    Filed: October 12, 2021
    Publication date: November 30, 2023
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20230371022
    Abstract: A user equipment (UE) is described. The UE includes reception circuitry configured to receive, from a base station, PDCCH with a first DCI format scheduling PUSCH repetitions, and a RRC parameter indicating slot format per slot, and control circuitry configured to determine, based on the first DCI format and the RRC parameter, multiple PUSCH transmission occasions with a first number for transmission of the PUSCH repetitions, wherein in a case that one or more symbols of a PUSCH transmission occasion in a slot overlap with one or more symbols indicated as downlink symbol by the RRC parameter, the PUSCH transmission occasion is not included in the multiple PUSCH transmission occasions for transmission of the PUSCH repetitions, and transmission circuitry further configured to transmit the PUSCH repetitions in the multiple PUSCH transmission occasions.
    Type: Application
    Filed: October 5, 2021
    Publication date: November 16, 2023
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI, Meng CHENG
  • Publication number: 20230299341
    Abstract: A solid electrolyte membrane, a solid battery, a battery module, a battery pack, and a power consuming device are provided. The solid electrolyte membrane comprises a sulfide electrolyte material and polymer particles dispersed in the sulfide electrolyte material; on the basis of 100 parts by mass of the total mass of the sulfide electrolyte material and the polymer particles, the mass of the polymer particles is 1 to 50 parts by mass; and no less than 90 wt % of the polymer particles have a size of 1 ?m to 500 ?m. Once compression-molded in conditions of 100 MPa to 500 MPa, the polymer particles have a compaction density of greater than 95% and a breaking strength of higher than 50 MPa. The mechanical properties of the solid electrolyte membrane can be improved so as to inhibit the propagation of cracks throughout the solid electrolyte membrane, thereby effectively solving the problem of lithium dendrites running throughout the solid electrolyte membrane.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Chengyong Liu, Ang Fu, Qian Li, Meng Cheng, Jiawei Fu
  • Patent number: 11764360
    Abstract: This application provides a negative electrode plate, a lithium metal battery, and an apparatus including the lithium metal battery. The negative electrode plate includes a negative electrode current collector and a lithium-metal negative electrode disposed on at least one surface of the negative electrode current collector, where a polymer protective film is disposed on a surface of the lithium-metal negative electrode away from the negative electrode current collector, the polymer protective film includes a citric acid copolymer, and a number-average molecular weight Mn of the citric acid copolymer is 10,000 to 1,000,000. In this application, a polymer protective film with high tensile strength, high puncture strength, high elongation, and high electrolyte holding capacity may be formed on the surface of the lithium-metal negative electrode in the negative electrode plate.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: September 19, 2023
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Qian Li, Meng Cheng, Chengyong Liu, Bobing Hu, Jiawei Fu, Shengyuan Huang, Yongsheng Guo
  • Publication number: 20230292316
    Abstract: A user equipment (UE) is described. The UE includes control circuitry configured to determine a maximum number of PDCCH candidates per multiple slots, and to allocate PDCCH candidates to be monitored per multiple slots based on the maximum number of PDCCH candidates; and receiving circuitry configured to monitor PDCCH candidates on a serving cell with the maximum number of PDCCH candidates.
    Type: Application
    Filed: October 12, 2021
    Publication date: September 14, 2023
    Inventors: Meng CHENG, LIQING LIU, SHOHEI YAMADA, HIROKI TAKAHASHI