Patents by Inventor Fang-Chen Cheng

Fang-Chen 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: 12262387
    Abstract: The present application discloses a processing method, device, terminal and apparatus for partial bandwidth deactivation timer, including: receiving an instruction related to the uplink transmission sent by the network side; starting or restarting the partial bandwidth deactivation timer according to the received instruction. The present application clarifies the specific working mechanism of the partial bandwidth deactivation timer, and the terminal and the base station can perform signaling and data transmission on the correct resources, to avoid signaling and data transmission errors and resource waste.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: March 25, 2025
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Li Chen, Bertrand Pierre, Fang-Chen Cheng
  • Patent number: 12207276
    Abstract: A method and apparatus for transmitting downlink control information. In the present invention, transmitted downlink control information at least comprises one or more of the following information fields: a first information field used for indicating the frequency domain resources occupied by the data resources scheduled by the DCI, a second information field used for indicating the time frequency resources occupied by the data resources scheduled by the DCI, and a third information field used for indicating the scheduled N users. As the resource size occupied by the transmission resources in the frequency domain and/or in the time domain is indicated by means of the downlink control information, transmission of downlink control information can be implemented in flexible resource allocation scenarios having variable transmission time intervals.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: January 21, 2025
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Lei Wang, Fang-Chen Cheng, Xuejuan Gao, Xueming Pan, Shaohui Sun
  • Publication number: 20250008504
    Abstract: Embodiments of the present disclosure provide a service sending method and apparatus, a service receiving method and apparatus, and a storage medium. The service sending method comprises: sending first scheduling information to a terminal, the first scheduling information being used for scheduling, in a first scheduling mode, resources for sending a first data segment of a target service; and configuring an association relationship between the first scheduling information and second scheduling information, and sending the second scheduling information to the terminal, the second scheduling information being used for scheduling, in a second scheduling mode, resources for sending a second data segment of the target service.
    Type: Application
    Filed: October 18, 2022
    Publication date: January 2, 2025
    Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-Chen CHENG
  • Patent number: 12177785
    Abstract: Disclosed are an energy saving signal transmission method, a network-side device and a terminal, relating wireless communications. The method of the present application comprises: a base station using higher-layer signaling/physical-layer signaling to configure, for a terminal, a first transmission opportunity for transmitting a first energy saving signal, and/or configure, for the terminal, a second transmission opportunity for transmitting a second energy saving signal; and using the first transmission opportunity to transmit the first energy saving signal to the terminal, and/or using the second transmission opportunity to transmit the second energy saving signal to the terminal.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: December 24, 2024
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Jiaqing Wang, Meiying Yang, Fang-Chen Cheng, Lei Wang, Zheng Zhao, Chen Luo
  • Patent number: 12022403
    Abstract: Embodiments of the present application provide a method and a device for determining a power control offset for a PUCCH, for resolving the technical issue in which existing methods for determining a power control offset for a PUCCH are incompatible with new radio communications systems. The method comprises: determining the number of bits, OUCI, of first uplink control information (UCI) required to be transmitted on a PUCCH, and determining the number, NRE, of resource elements (RE) carrying the first UCI in the PUCCH; and determining, according to formula (I), an offset ?PUCCH_TF,c(i) for calculation of power control of the PUCCH, wherein g(OUCI/NRE) is a function having OUCI and NRE as variables thereof.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: June 25, 2024
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Di Zhang, Fang-Chen Cheng, Xiangli Lin
  • Patent number: 11991035
    Abstract: Disclosed in the present invention are a method and device for transmitting and detecting a synchronous signal, which is used to solve the problem that there is currently no clear solution as to how should a terminal detect a synchronous signal when multiple types of base-band numerology are defined in a new wireless communication system. The method comprises: a terminal determining a base-band numerology used to detect a synchronous signal; the terminal detecting the synchronous signal according to the determined base-band numerology. The terminal first determines a base-band numerology used to detect a synchronous signal before detecting said synchronous signal, and then detects the synchronous signal according to the determined base-band numerology, so as to identify the base-band numerology used in the synchronous signal transmission in future communication systems which support multiple types of base-band numerology, thereby correctly detecting the synchronous signal.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: May 21, 2024
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Xuejuan Gao, Fang-Chen Cheng, Xueming Pan, Qiubin Gao
  • Patent number: 11979916
    Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, and the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, and the random access response message includes downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
    Type: Grant
    Filed: June 14, 2023
    Date of Patent: May 7, 2024
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Bin Ren, Zheng Zhao, Ren Da, Tie Li, Fang-Chen Cheng
  • Patent number: 11917571
    Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: February 27, 2024
    Assignee: Datang Mobile Communications Equipment Co., Ltd.
    Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Haiyang Quan, Bin Ren, Xueyuan Gao, Qiubin Gao
  • Publication number: 20230388968
    Abstract: The present application provides a signal processing method and apparatus, where a network device configures a location of a paging indication signal for a terminal device in an idle state, after the network device transmits the paging indication signal to the terminal device according to the location of the paging indication signal, the terminal device may avoid consuming more energy caused by a relatively long distance between the location of the paging indication signal and a synchronization reference signal, and/or, the terminal device may avoid reducing the demodulation and decoding performance of the paging indication signal caused by a relatively long distance between the location of the paging indication signal and a channel time-frequency tracking reference signal.
    Type: Application
    Filed: October 22, 2021
    Publication date: November 30, 2023
    Inventors: Meiying YANG, Jiaqing WANG, Fang-chen CHENG
  • Publication number: 20230388927
    Abstract: A signal processing method and a signal processing apparatus are provided in the present application. A network device configures a paging early indication for a terminal device in an idle state, where the paging early indication is used for indicating monitoring of a physical downlink control channel (PDCCH) of at least one paging occasion, and/or monitoring of at least one PDCCH with different paging contents; after the network device sends the paging early indication to the terminal device, the terminal device can accurately indicate physical downlink control channel (PDCCH) monitoring at a paging occasion, which avoids unnecessary false wake-up or non-wake-up caused by a paging occasion conflict, thereby reducing power consumption of the terminal device.
    Type: Application
    Filed: October 22, 2021
    Publication date: November 30, 2023
    Inventors: Meiying Yang, Jiaqing Wang, Fang-Chen Cheng
  • Publication number: 20230328801
    Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, and the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, and the random access response message includes downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Inventors: Bin REN, Zheng ZHAO, Ren DA, Tie LI, Fang-Chen CHENG
  • Patent number: 11777676
    Abstract: Disclosed are a method and device for transmitting a positioning reference signal. The method includes a base station determining a time-frequency resource for sending a PRS according to configuration information of the PRS, mapping a PRS sequence to the time-frequency resource for sending the PRS, and sending the mapped PRS on the time-frequency resource for sending the PRS, wherein the configuration information of the PRS comprises PRS frequency domain resource information; the PRS frequency domain resource information comprises PRS resource element (RE) frequency shift information, and the PRS RE frequency shift information is correlated with a PRS OFDM symbol index value calculated from a PRS occasion.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: October 3, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Xueyuan Gao, Bin Ren, Qiubin Gao, Deshan Miao
  • Publication number: 20230309015
    Abstract: The present application provides a signal transmission method and device. The method include determining a third monitoring configuration information set of a first signal, and the monitoring opportunities corresponding to the third monitoring configuration information set are not more than the monitoring opportunities corresponding to at least one of a first monitoring configuration information set and a second monitoring configuration information set, the first monitoring configuration information set is a network-level monitoring configuration information set of the first signal, and the second monitoring configuration information set is a node-level monitoring configuration information set of the first signal; and monitoring the first signal according to the third monitoring configuration information set, to reduce the power consumption of a terminal for monitoring the first signal.
    Type: Application
    Filed: June 22, 2021
    Publication date: September 28, 2023
    Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-Chen CHENG
  • Patent number: 11743827
    Abstract: Disclosed in the present invention are a method, equipment and an apparatus for indicator and downlink control channel detection, comprising: determining data which must be transmitted to a terminal in one or more transmission time intervals by means of a downlink control channel; a base station sending a command to the terminal, used to indicate that the terminal determine according to the command whether it is necessary to detect a downlink control channel in the one or more transmission time intervals. On the terminal, determining according to the command whether it is necessary to detect a downlink control channel in the one or more transmission time intervals. After using the present invention, when a base station has not scheduled a terminal, this objectively causes a terminal side to not have excess power consumption, and lowers terminal-side power consumption.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: August 29, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Lei Wang, Fang-Chen Cheng
  • Patent number: 11723076
    Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, wherein the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, wherein the random access response message comprises downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: August 8, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Bin Ren, Zheng Zhao, Ren Da, Tie Li, Fang-Chen Cheng
  • Publication number: 20230217369
    Abstract: A signal sending method and apparatus, a signal receiving method and apparatus, and a storage medium. The method comprises: sending resource configuration information, which includes a first configuration resource and a second configuration resource; sending a first signal on the basis of the resource configuration information, and a first node group and a second node group monitor a first signal on the basis of respectively corresponding configuration resources; generating and sending a second signal, the second signal being sent on a sending resource indicated by the first signal, and the node groups receive the second signal after the first signal is monitored.
    Type: Application
    Filed: April 29, 2021
    Publication date: July 6, 2023
    Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-Chen CHENG
  • Patent number: 11695525
    Abstract: Disclosed are a method and device for transmitting a positioning reference signal. In the method, a base station maps, according to configuration information of a PRS, a PRS sequence to a time-frequency resource for sending a PRS; and the base station sends the configuration information of the PRS to a terminal, and sends the mapped PRS on the time-frequency resource for sending a PRS.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 4, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Qiubin Gao, Xueyuan Gao
  • Publication number: 20230171781
    Abstract: The present application discloses a processing method, device, terminal and apparatus for partial bandwidth deactivation timer, including: receiving an instruction related to the uplink transmission sent by the network side; starting or restarting the partial bandwidth deactivation timer according to the received instruction. The present application clarifies the specific working mechanism of the partial bandwidth deactivation timer, and the terminal and the base station can perform signaling and data transmission on the correct resources, to avoid signaling and data transmission errors and resource waste.
    Type: Application
    Filed: January 17, 2023
    Publication date: June 1, 2023
    Inventors: Li CHEN, Bertrand PIERRE, Fang-Chen CHENG
  • Patent number: 11665738
    Abstract: Disclosed is a method, device, apparatus for transmitting and receiving a request signal, comprising: a base station determines a channel occupancy request signal to be transmitted, the channel occupancy request signal being a request signal for requesting channel occupancy to a terminal after the base station executes a listen-before-talk operation on the direction corresponding to at least one beam; the base station schedules transmission of the channel occupancy request signal on a downlink control channel; the terminal detects the downlink control channel that schedules the transmission of the channel occupancy request signal; and the terminal receives the channel occupancy request signal according to a detection result. The use of the present invention overcomes a defect of the prior art that has no design for the channel occupancy request signal, and implements transmission of an eNB channel occupancy request signal.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 30, 2023
    Assignee: Datang Mobile Communications Equipment Co., Ltd.
    Inventors: Jiaqing Wang, Fang-Chen Cheng
  • Patent number: 11647538
    Abstract: Disclosed are a data transmission method and device. The data transmission method comprises: after executing an LBT operation in a direction corresponding to at least one beam, a base station sending to a terminal a channel occupation request signal to request channel occupation; and after receiving a signal indicating that a channel is allowed to be occupied, the base station transmitting data on the beam sending the channel occupation request signal. The signal feedback method comprises: the terminal receiving the channel occupation request signal sent to the terminal by the base station on the at least one beam, and the channel occupation request signal is a signal for requesting channel occupation; and after correctly receiving the channel occupation request signal, the terminal feeding back, on the beam on which the signal is received, to the base station the signal indicating that the channel is allowed to be occupied.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: May 9, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Jiaqing Wang, Fang-Chen Cheng