Patents by Inventor Liqing Liu

Liqing 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).

  • Patent number: 12289739
    Abstract: A method by a user equipment (UE) is described.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: April 29, 2025
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Hiroki Takahashi
  • Patent number: 12289257
    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 related to a first search space set, to receive a second RRC parameter related to a CORESET wherein the CORESET is associated with the first search space set, monitoring a set of PDCCH candidates for the first search space set in the CORESET, wherein the CORESET comprises one or more sets of consecutive OFDM symbols within a first time duration, the number of consecutive OFDM symbols for each set is determined based on the second RRC parameter, the first time duration is determined based on a RRC parameter included in the first parameter. The first RRC parameter include a third RRC parameter indicating a first symbol for each of the one or more than one sets of consecutive OFDM symbols within a slot, the first duration is determined as one slot, the CORESET comprises one or more sets of consecutive OFDM symbols within a slot.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: April 29, 2025
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Hiroki Takahashi
  • Publication number: 20250133566
    Abstract: A communication method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including a first radio resource control (RRC) parameter, wherein the first RRC parameter provides a cell-specific physical uplink control channel (PUCCH) resource set and the cell-specific PUCCH resource set includes one or more PUCCH resources; and receiving a PDCCH with a DCI format scheduling a PDSCH; and transmitting, on a PUCCH resource included in the cell-specific PUCCH resource set, a PUCCH with HARQ-ACK information in response to the PDSCH received, wherein whether or not to transmit the PUCCH using frequency hopping is determined based on one, more or all of a first DCI field of the DCI format, RRC parameter(s) and a predefined rule.
    Type: Application
    Filed: June 24, 2022
    Publication date: April 24, 2025
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI
  • Patent number: 12273894
    Abstract: A terminal apparatus detects a first DCI format including first allocation information for identifying a time resource and the number of repetition transmissions that are used to transmit a PUSCH corresponding to a first TB, detects a second DCI format including second allocation information indicating reception of a downlink signal, identifies the time resource for transmitting the PUSCH, based on the first allocation information, and cancels transmission of a first PUSCH corresponding to any one of the repetition transmissions of the PUSCH in a case that the first allocation information indicates that the first PUSCH is to be transmitted in a first symbol set and that the second allocation information indicates that the downlink signal is to be received in a second symbol set and that at least one symbol in the first symbol set is a symbol included in the second symbol set.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: April 8, 2025
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroki Takahashi, Shohei Yamada, Liqing Liu
  • Publication number: 20250097862
    Abstract: A terminal apparatus receives system information block including first information in a first cell, specifies a frequency location of a synchronization signal block based on the first information, and receives the synchronization signal block at the specified frequency location, and the first information is information indicating an offset in a frequency domain from a first reference frequency location to a reference frequency location of the synchronization signal block.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 20, 2025
    Inventors: Hiroki TAKAHASHI, Shohei YAMADA, Liqing LIU
  • Publication number: 20250063447
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, receiving, from a base station, master information block (MIB) of a serving cell, wherein the serving cell is determined as a barred cell; and determining, whether a subcarrier spacing (SCS) provided by a first RRC parameter in the MIB corresponds to 15 kHz and/or whether a total number of resource blocks (RBs) indicated by a second RRC parameter in the MIB for a control resource set (CORESET) is larger than a first value, determinizing whether to perform intra-frequency cell reselection on a same frequency as the barred cell or not based on whether the SCS corresponds to 15 kHz and/or whether the total number is larger than the first value.
    Type: Application
    Filed: February 17, 2023
    Publication date: February 20, 2025
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI
  • Publication number: 20250056620
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including a first initial downlink (DL) BWP configuration and a second initial DL BWP configuration for a PCell; determining for which one or more of multiple common search space (CSS) sets the UE monitors PDCCH; determining, between a first DL BWP provided by the first initial DL BWP configuration and a second DL BWP provided by the second initial DL BWP configuration, which of the first DL BWP and the second DL BWP is an initial DL BWP based on for which the one or more of the multiple CSS sets the UE monitors PDCCH, wherein at least one of the multiple CSS sets corresponds to a CSS set for receiving SIB1 message, and at least another one of the multiple CSS sets corresponds to a CSS set for random access procedure.
    Type: Application
    Filed: December 20, 2022
    Publication date: February 13, 2025
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI
  • Publication number: 20250048341
    Abstract: A terminal apparatus receives first DCI with an SI-RNTI and receives a SIB in a first time resource in a first BWP, and receives second DCI with an RA-RNTI and receives an RAR in a second time resource in a second BWP, and determines the first time resource, using a first value included in the first DCI and a first configuration, and determines the second time resource, using a second value included in the second DCI and a second configuration. In a case that a second parameter list is provided in the SIB, the terminal apparatus applies the second parameter list to the second configuration. In a case that the second parameter list is not provided, the terminal apparatus applies a first parameter list or a first default table.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 6, 2025
    Inventors: Hiroki TAKAHASHI, Shohei YAMADA, Liqing LIU
  • Patent number: 12199910
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a MIB including first information related to a CORESET for a first search space set for the detected SS/PBCH block, monitoring a set of PDCCH candidates for the first search space set in the CORESET, wherein the CORESET comprises a first set of consecutive OFDM symbols and a second set of consecutive OFDM symbols, the CORESET is transmitted by a first time periodicity, the second set of consecutive OFDM symbols is transmitted after a first time offset from the first OFDM symbol for the first set of consecutive OFDM symbols. Further receiving second information indicating the first time offset.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: January 14, 2025
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Hiroki Takahashi
  • Patent number: 12185326
    Abstract: A terminal apparatus and a base station apparatus efficiently communicate with each other. A terminal apparatus receives a first DCI and determines transmission of a first PUSCH. The first PUSCH is scheduled by the first DCI, a value of a first PUSCH procedure preparation time for the first PUSCH is a first value in a case that a first condition is not satisfied, and the value of the first PUSCH procedure preparation time is a value acquired by adding a second value to the first value in a case that the first condition is satisfied. The terminal apparatus determines the transmission of the first PUSCH in a case that a number of symbols between the first DCI and the first PUSCH is equal to or greater than a number of symbols corresponding to the value of the first PUSCH procedure preparation time.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: December 31, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Masayuki Hoshino, Hiroki Takahashi, Hidekazu Tsuboi
  • Patent number: 12156230
    Abstract: A terminal apparatus is provided. The terminal apparatus includes: a reception unit configured to receive (i) a radio resource control (RRC) message including first configuration information and (ii) downlink control information including a first field via a physical downlink control channel (PDCCH); and a transmission unit configured to perform one or more repetitive transmissions of a physical uplink shared channel (PUSCH) based on the first configuration information and the first field. The first configuration information is for configuring at least one of a starting symbol of a time resource corresponding to an index indicated by the first field, a number of symbols allocated to one PUSCH corresponding to the index, and a nominal number of repetitive transmissions corresponding to the index.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: November 26, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroki Takahashi, Shohei Yamada, Masayuki Hoshino, Hidekazu Tsuboi, Liqing Liu
  • Publication number: 20240389188
    Abstract: A method by a user equipment (UE) is described.
    Type: Application
    Filed: December 20, 2022
    Publication date: November 21, 2024
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI
  • Patent number: 12150117
    Abstract: A terminal apparatus includes a reception circuitry configured to receive a DCI format, and a transmission circuitry configured to repeatedly transmit, on a PUSCH, a transport block scheduled by the DCI format, wherein a first number of repetition transmissions, a second number for a symbol number of a start symbol, and a third number of consecutive symbols are given based on the DCI format, and the number of slots used for repetition transmission of the transport block is determined based on the first number, the second number, the third number, and the number of symbols per slot.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: November 19, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Hiroki Takahashi, Masayuki Hoshino, Hidekazu Tsuboi
  • Patent number: 12143844
    Abstract: A method by a user equipment (UE) is described. The method includes transmitting, to a base station, a capability to indicate multiple combinations (X, Y) for PDCCH monitoring, each combination (X, Y) is associated with a respective maximum number of monitored PDCCH candidates, determining spans in which PDCCH is monitored, and each span is a number of consecutive OFDM symbols up to Y, determining, from the multiple combinations (X, Y), one or more combinations (X, Y) in which the value of X is equal to or less than the minimum value of the gap separation of every two consecutive spans, determining, from the one or more combinations (X, Y), a combination (X, Y) with a larger maximum number of monitored PDCCH candidates for PDCCH monitoring.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: November 12, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Hiroki Takahashi
  • Publication number: 20240349284
    Abstract: A communication method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including a first RRC parameter, wherein the first RRC parameter provides a cell-specific physical uplink control channel (PUCCH) resource set and the cell-specific PUCCH resource set includes one or more PUCCH resources; and receiving a PDCCH with a DCI format scheduling a PDSCH; and performing, on a PUCCH resource of the cell-specific PUCCH resource set in an initial UL BWP, a PUCCH transmission with HARQ-ACK information in response to the PDSCH received, wherein whether a PRB index of the PUCCH transmission is determined based on a size of the initial UL BWP or not based on a size of the initial UL BWP is determined based on a second RRC parameter.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 17, 2024
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI
  • Publication number: 20240340972
    Abstract: A user equipment (UE) is described.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 10, 2024
    Inventors: Liqing LIU, Shohei YAMADA, Hiroki TAKAHASHI
  • Publication number: 20240340897
    Abstract: A terminal apparatus receives a PDCCH in a CORESET 0 and receives a SIB1 scheduled by the PDCCH, and specifies a frequency location and a bandwidth of an initial downlink BWP, wherein the SIB1 includes first information indicating a first frequency location and a first bandwidth, and second information, and the second information is used to determine a timing at which the first frequency location and the first bandwidth are used as the frequency location and the bandwidth of the initial downlink BWP.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 10, 2024
    Inventors: Hiroki TAKAHASHI, Shohei YAMADA, Liqing LIU
  • Patent number: 12114339
    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 with a first information element structure to define how and where to search for PDCCH candidates of a search space set, receiving a second RRC parameter with a second information element structure to define how and where to search for PDCCH candidates of a search space set, and a search space set corresponds to two types of search space set, wherein the first information element structure is capable of indicating of which one of the two types the search space set is, the second information element structure is only capable of indicating one fixed type.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: October 8, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Masayuki Hoshino, Hiroki Takahashi
  • Patent number: 12069677
    Abstract: A terminal apparatus includes a receiver configured to receive a first radio resource control (RRC) parameter for configuring one of a first repetition transmission type and a second repetition transmission type, and a transmitter configured to transmit, on a PUSCH, a transport block scheduled by a DCI format. The transmitter performs, by applying the repetition transmission type configured for the first RRC parameter, a repetition transmission of the transport block.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: August 20, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Liqing Liu, Shohei Yamada, Hiroki Takahashi, Masayuki Hoshino, Hidekazu Tsuboi
  • 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