Patents by Inventor Zhihu Luo

Zhihu Luo 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: 20220150932
    Abstract: This application provides an information transmission method, a terminal device, and a network device. In technical solutions of this application, a target time interval in which a physical downlink control channel is not monitored or DCI is not sent is determined based on a value relationship between a quantity of TBs scheduled by the DCI and a first value, and a solution of sending and monitoring a physical downlink control channel in a scenario in which one piece of DCI schedules a plurality of TBs is specified, so that the physical downlink control channel can be effectively sent and monitored.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 12, 2022
    Inventors: Zhihu Luo, Jun Li, Zhe Jin
  • Patent number: 11259314
    Abstract: This application provides a system message transmission method, an apparatus, and a system. A first communications device configures a MIB message, and the MIB message may carry various different information used to transmit a SIB1, for example, any one or more of scheduling information, first information, and an operation mode of a carrier, so that a second communications device receives the SIB1 based on the MIB message. The first communications device may flexibly configure information used to transmit the SIB1. In addition, when configuring the MIB message, the first communications device may consider ensuring, through configuration or implicit indication, that resource locations for transmitting SIB1s of different cells in one period are different. This type of interference isolation mechanism can avoid mutual interference between transmission of SIB1s of different cells, so that transmission reliability of the SIB1s can be improved.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: February 22, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhihu Luo, Jun Li, Zhe Jin, Weiliang Zhang
  • Publication number: 20220046539
    Abstract: A communication method and apparatus are provided, where the method includes: determining, by a first device according to a first preset rule, a first resource in at least two preset resources corresponding to a same gap before a first paging occasion PO; and monitoring, by the first device, at least one wake-up signal sequence on the first resource. According to the foregoing method, the first resource used by the first device for monitoring the wake-up signal sequence is determined according to the first preset rule.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 10, 2022
    Inventors: Xiang Mi, Xiaolei Tie, Zhihu Luo, Yuwan Su, Zhe Jin
  • Publication number: 20220022117
    Abstract: The present disclosure discloses example communication methods and an example communication device. One example communication method includes receiving, by a communication device and from a first network device in a first communication system, a first access parameter used to access the first communication system and a second access parameter used to access a second communication system, where a system bandwidth of the first communication system is different from a system bandwidth of the second communication system. The first communication system is switched by the communication device to the second communication system based on the second access parameter when a switching condition of switching from the first communication system to the second communication system is satisfied.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventors: Zhihu LUO, Wenping BI, Zhe JIN, Xingqing CHENG, Xiang MI, Yuwan SU
  • Patent number: 11229060
    Abstract: Embodiments of this application provide a random access preamble transmission method and an apparatus. The method includes: obtaining, by a terminal device, a scrambling code sequence, scrambling a random access preamble by using the scrambling code sequence, and sending a scrambled random access preamble to a network device. In this technical solution, the terminal device scrambles the random access preamble, and sends the scrambled random access preamble over a channel, to effectively eliminate inter-cell interference and resolve a possible target cell false alarm problem.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: January 18, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhihu Luo, Tong Ji, Zhe Jin
  • Publication number: 20210377966
    Abstract: A monitoring method and an apparatus are provided. The method includes transmitting, by a terminal device, first information based on a first repetition number, where the first repetition number is less than or equal to a second repetition number, and the second repetition number is a maximum repeat transmission number of the first information. The method also includes determining, by the terminal device, a scheduling end moment of the first information based on the second repetition number, where the scheduling end moment of the first information is a transmission end moment of the first information when the first information is transmitted based on the second repetition number. The method further includes starting or restarting, by the terminal device, a timer at the scheduling end moment of the first information, and monitoring a PDCCH search space before the timer expires or stops.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Xiang Mi, Xiaolei Tie, Baokun Shan, Zhihu Luo, Zhe Jin
  • Publication number: 20210378001
    Abstract: Embodiments of this application provide a solution for network and terminal devices that have inconsistent understandings of retransmission scheduled by using downlink control information (DCI). The solution includes: A network device sends first DCI to a terminal device, and the terminal device receives the first DCI from the network device, where the first DCI includes a first field and a second field, the first field indicates that a retransmitted transport block (TB) exists in a TB scheduled by using the first DCI, and the second field indicates an index of a retransmitted first TB in the TB scheduled by using the first DCI; and the terminal device receives the retransmitted first TB from the network device based on the first field and the second field; or the terminal device sends the retransmitted first TB to the network device based on the first field and the second field.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Zhihu LUO, Jun LI, Xingqing CHENG, Zhe JIN
  • Publication number: 20210377934
    Abstract: In one embodiment, a terminal device and a network device each determine a quantity M of hybrid automatic repeat request (HARQ) processes supported by the terminal device. The network device sends downlink control information (DCI) to the terminal device. The DCI includes a first field that indicates a quantity N of transport blocks (TBs) scheduled by the DCI, where N is a positive integer greater than 1. If M=1, the terminal device receives or sends, in the HARQ process, an initially transmitted TB and/or a retransmitted TB in the N TBs scheduled by the DCI. If M is greater than 1, and N is less than or equal to M, the terminal device receives or sends, in N HARQ processes in the M HARQ processes, the N TBs scheduled by the DCI, where each of the N HARQ processes corresponds to one TB in the N TBs.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Zhihu LUO, Jun LI, Xingqing CHENG, Zhe JIN
  • Publication number: 20210377954
    Abstract: An information sending method and an apparatus are provided. In the method, after sending a first message including uplink data to a network device, a terminal device receives first DCI from the network device, where the first DCI may include first indication information, and the first indication information is used to indicate that the network device has successfully demodulated the first message or used to indicate the terminal device to flush a HARQ buffer corresponding to the first message; and the terminal device may obtain the first indication information from the first DCI, and after obtaining the first indication information, the terminal device determines not to monitor a PDCCH search space within first duration after the first DCI. After sending the uplink data and receiving the first indication information from the network device, the terminal device may not monitor the PDCCH search space within specific duration.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Xiang MI, Zhihu LUO, Xiaolei TIE, Jun LI, Zhe JIN
  • Publication number: 20210360681
    Abstract: The present disclosure relates to data scheduling methods, apparatus, and systems. In one example method, a network device sends, to a terminal device, downlink control information (DCI) used to schedule N transport blocks (TBs). After determining that a downlink channel that carries first M TBs in the N TBs is transmitted in consecutive first downlink time units, the network device sends the downlink channel to the terminal device. The terminal device receives the downlink channel. After determining that ACKs/NACKs corresponding to the M TBs are transmitted in consecutive first uplink time units, the terminal device sends the ACKs/NACKs corresponding to the M TBs to the network device. N is a positive integer greater than 1, and M is a positive integer greater than 1 and less than or equal to N.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Inventors: Zhihu LUO, Jun LI, Zhe JIN
  • Patent number: 11178682
    Abstract: Example uplink transmission resource requesting methods and apparatus are described. One example method includes a terminal determines that a collision occurs when the terminal sends a first request to a network device, where the first request is used to request the network device to schedule an uplink transmission resource for the terminal. The terminal adjusts a manner of sending the first request according to a preset rule. In embodiments of this application, the terminal may request the uplink transmission resource from the network device by using the first request.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: November 16, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiaolei Tie, Jun Li, Zhihu Luo
  • Publication number: 20210345268
    Abstract: Embodiments of this application disclose a signal transmission method and a related device, to transmit a signal between a network device and a terminal device. The method in the embodiments of this application includes: sending a first synchronization signal/broadcast channel block SSB to a first terminal device, where the first SSB includes a synchronization signal and a physical broadcast channel PBCH, the synchronization signal and the PBCH use a frequency division multiplexing FDM manner in resource occupation, a quantity of orthogonal frequency division multiplexing OFDM symbols occupied by the synchronization signal is greater than 2, and a quantity of OFDM symbols occupied by the PBCH is greater than 3.
    Type: Application
    Filed: July 13, 2021
    Publication date: November 4, 2021
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhihu LUO, Zhe JIN
  • Publication number: 20210266094
    Abstract: A message transmission method and device relating to the field of communications technologies are described that improve an anti-interference capability in message transmission. The method includes generating a scrambling code according to a scrambling code initialization seed, wherein the scrambling code initialization seed meets the following expression: cinit=R·2a7+P·(nƒ mod k+1)·2b7 and then scrambling a message according to the scrambling code. The method further includes sending the scrambled message to a terminal on a physical downlink shared channel. Because the first time parameter has different values at at least two different moments, scrambling codes determined at the at least two corresponding different moments are different. Therefore, a possibility at which the base station uses a same scrambling code to scramble a same system message repeatedly in a time period is reduced, so that an anti-interference capability in system message transmission is improved.
    Type: Application
    Filed: May 11, 2021
    Publication date: August 26, 2021
    Inventors: Tong JI, Zhe JIN, Zhihu LUO, Weiliang ZHANG
  • Publication number: 20210266983
    Abstract: A data sending method, a data receiving method, a device, and a system, the receiving method including receiving indication information from a network device, where the indication information indicates a first resource used to transmit uplink data, and where the first resource overlaps with a first early data transmission (EDT) physical random access channel resource, and delaying, in response to determining that a preset condition is satisfied, transmission of the uplink data, where the delaying transmission of the uplink data comprises sending the uplink data to the network device on a second resource, and where the second resource is non-overlapping with the first EDT physical random access channel resource.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventors: Jun Li, Zhihu Luo, Xiaolei Tie, Zhe Jin
  • Patent number: 11101916
    Abstract: A message transmission method and device relating to the field of communications technologies is disclosed, so as to improve an anti-interference capability in message transmission. The method includes: generating, by a base station, a scrambling code according to a first time parameter; then scrambling a system message according to the scrambling code; and finally sending the scrambled system message to a terminal on a physical broadcast channel. In this technical solution, because the first time parameter has different values at at least two different moments, scrambling codes determined at the at least two corresponding different moments are different. Therefore, a possibility at which the base station uses a same scrambling code to scramble a same system message repeatedly in a time period is reduced, so that an anti-interference capability in system message transmission is improved.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: August 24, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tong Ji, Zhe Jin, Zhihu Luo, Weiliang Zhang
  • Publication number: 20210219297
    Abstract: This application provides example communication methods and apparatuses. One example method includes performing, by a network device on a preconfigured resource, data demodulation on uplink data from a terminal device. The network device can then send downlink control information (DCI) to the terminal device, where the DCI includes first indication information, and if the uplink data fails to be demodulated, or it is determined, based on a result of the data demodulation, that the terminal device needs to retransmit the uplink data, the first indication information indicates either the terminal device to initiate random access or EDT and retransmit the uplink data or that the uplink data fails to be demodulated.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Xiang MI, Zhihu LUO, Xiaolei TIE, Zhe JIN
  • Publication number: 20210212113
    Abstract: A channel quality measurement method and apparatus are described. The method can include a network device sending configuration information to a terminal device. The configuration information configures a downlink carrier set. The terminal device determines a first downlink carrier from the downlink carrier set. The terminal device sends a random access process message 3 (Msg3) to the network device. The random access process message 3 includes first information. The first information includes information indicating channel quality of the first downlink carrier. The channel quality provides information about a first repetition level to the network device. The first repetition level is a minimum repetition level required when transmission performed on a downlink channel based on a preset transmission parameter meets a preset block error rate.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 8, 2021
    Inventors: Zhihu LUO, Jun LI, Zhe JIN
  • Publication number: 20210212095
    Abstract: Embodiments relate to the internet of things communications field, and provide a data transmission method, device, and system, and a storage medium. The method includes: determining a first parameter, a second parameter, a first gap threshold, and a second gap threshold; determining, based on the first parameter and the first gap threshold, whether a gap exists in transmission on a downlink control channel; sending downlink control information through the downlink control channel based on a determining result; determining, based on the second parameter and the second gap threshold, whether a gap exists in transmission on a downlink data channel; and sending a transport block through the downlink data channel based on a determining result.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 8, 2021
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhihu LUO, Jun LI, Xiaolei TIE, Zhe JIN
  • Publication number: 20210195518
    Abstract: Example reference signal sending methods and apparatus are described. In one example method, a terminal device detects whether a paging scheduling message exists in a PDCCH search space whose starting subframe is a subframe corresponding to a paging occasion (PO), and/or detects whether a wake-up signal (WUS) exists before a PO. A network device determines a time domain resource in first duration based on a quantity of paging occasions in a discontinuous reception period, where the time domain resource is a time domain resource in a time-frequency resource used to transmit a reference signal. The network device sends the reference signal to a terminal device on the time domain resource.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 24, 2021
    Inventors: Yuwan SU, Xiaolei TIE, Zhihu LUO, Xiang MI, Zhe JIN
  • Publication number: 20210168847
    Abstract: This application discloses a data transmission method which includes: receiving DCI, wherein two TBs or one TB can be scheduled in the DCI, the DCI comprises a third bit, the third bit indicates that a quantity of the TB(s) scheduled in the DCI is 1 or 2, and the DCI further comprises a first bit and/or a second bit; and when the quantity of the TB(s) is 1, performing, based on the third bit, and the first bit or second bit, uplink or downlink data transmission, wherein the first or second bit indicates a NDI associated with the TB scheduled in the DCI; or when the quantity of the TB(s) is 2, performing, based on the third, first bit, and second bit, uplink or downlink data transmission, wherein the first and the second bit respectively indicate two NDIs associated with the two TBs.
    Type: Application
    Filed: February 9, 2021
    Publication date: June 3, 2021
    Inventors: Zhihu Luo, Jun Li, Xiaolei Tie, Zhe Jin