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).
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Patent number: 11979916Abstract: 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: GrantFiled: June 14, 2023Date of Patent: May 7, 2024Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Bin Ren, Zheng Zhao, Ren Da, Tie Li, Fang-Chen Cheng
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Patent number: 11917571Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof.Type: GrantFiled: September 30, 2019Date of Patent: February 27, 2024Assignee: Datang Mobile Communications Equipment Co., Ltd.Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Haiyang Quan, Bin Ren, Xueyuan Gao, Qiubin Gao
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Publication number: 20230388968Abstract: 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: ApplicationFiled: October 22, 2021Publication date: November 30, 2023Inventors: Meiying YANG, Jiaqing WANG, Fang-chen CHENG
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Publication number: 20230388927Abstract: 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: ApplicationFiled: October 22, 2021Publication date: November 30, 2023Inventors: Meiying Yang, Jiaqing Wang, Fang-Chen Cheng
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Publication number: 20230328801Abstract: 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: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Inventors: Bin REN, Zheng ZHAO, Ren DA, Tie LI, Fang-Chen CHENG
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Patent number: 11777676Abstract: 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: GrantFiled: June 21, 2019Date of Patent: October 3, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Xueyuan Gao, Bin Ren, Qiubin Gao, Deshan Miao
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Publication number: 20230309015Abstract: 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: ApplicationFiled: June 22, 2021Publication date: September 28, 2023Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-Chen CHENG
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Patent number: 11743827Abstract: 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: GrantFiled: August 7, 2018Date of Patent: August 29, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Lei Wang, Fang-Chen Cheng
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Patent number: 11723076Abstract: 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: GrantFiled: October 11, 2021Date of Patent: August 8, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Bin Ren, Zheng Zhao, Ren Da, Tie Li, Fang-Chen Cheng
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Publication number: 20230217369Abstract: 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: ApplicationFiled: April 29, 2021Publication date: July 6, 2023Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-Chen CHENG
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Patent number: 11695525Abstract: 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: GrantFiled: March 28, 2019Date of Patent: July 4, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Qiubin Gao, Xueyuan Gao
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Publication number: 20230171781Abstract: 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: ApplicationFiled: January 17, 2023Publication date: June 1, 2023Inventors: Li CHEN, Bertrand PIERRE, Fang-Chen CHENG
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Patent number: 11665738Abstract: 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: GrantFiled: April 22, 2019Date of Patent: May 30, 2023Assignee: Datang Mobile Communications Equipment Co., Ltd.Inventors: Jiaqing Wang, Fang-Chen Cheng
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Patent number: 11647538Abstract: 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: GrantFiled: May 7, 2019Date of Patent: May 9, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Jiaqing Wang, Fang-Chen Cheng
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Publication number: 20230104435Abstract: 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 ? P U C C H _ T F , 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: ApplicationFiled: November 24, 2022Publication date: April 6, 2023Inventors: Di ZHANG, Fang-Chen CHENG, Xiangli LIN
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Patent number: 11589375Abstract: 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, so that the terminal and the base station can perform signaling and data transmission on the correct resources, thereby avoiding signaling and data transmission errors and resource waste.Type: GrantFiled: October 9, 2018Date of Patent: February 21, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Li Chen, Bertrand Pierre, Fang-Chen Cheng
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Publication number: 20230048856Abstract: The present application relates to the field of communications, and in particular to a channel and/or signal transceiving method and apparatus. The method comprises: a network side configuring a first channel and/or a first signal, wherein the first channel and/or the first signal are/is used for indicating the receiving and/or sending of a second signal of at least one terminal group corresponding to at least one terminal; and the network side sending the first channel and/or the first signal to the at least one terminal, and the terminal receiving, on the basis of a manner indicated by the network side, the second signal sent by the network side, such that when the terminal is in an RRC-idle or RRC-inactive state, the network side can reduce, in the manner, the number of times that various types of messages are received by a terminal side.Type: ApplicationFiled: December 8, 2020Publication date: February 16, 2023Inventors: Meiying YANG, Shaohui SUN, Jiaqing WANG, Fang-Chen CHENG
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Patent number: 11576128Abstract: The embodiments of the present application provide a wakeup region update method and device for updating a wakeup region of a terminal. The method includes a terminal receiving a wakeup signal, the wakeup signal carrying a wakeup region indicator; and the terminal updating the wakeup region indicator of the terminal according to the wakeup region indicator carried by the wakeup signal received. The present application is adopted to achieve updating and maintenance of the wakeup region of the terminal.Type: GrantFiled: April 3, 2019Date of Patent: February 7, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Meiying Yang, Deshan Miao, Fang-Chen Cheng
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Patent number: 11575578Abstract: The present application provides a method and apparatus for configuring a transmission bandwidth, and a device, for accelerating an activation speed of a carrier/BWP, reducing waiting time of a UE, and saving power consumption of the UE. The method comprises: determining a first carrier/first BWP; and sending a PDCCH to a user terminal UE by means of a second carrier/second BWP, the PDCCH being used for bearing instruction information for activating the first carrier/first BWP and sending a reference signal over the first carrier/first BWP, so that the UE may activate the first carrier/first BWP and receive the reference signal, and the reference signal is used by the UE for performing channel measurement and synchronous tracking on the first carrier/first BWP.Type: GrantFiled: April 23, 2019Date of Patent: February 7, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Deshan Miao, Fang-Chen Cheng
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Patent number: 11540226Abstract: Embodiments of the present application provide a method and a device for determining a power control offset for a PUCCH, for resolving the 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, and g(OUCI/NRE) is a function having OUCI and NRE as variables thereof.Type: GrantFiled: December 5, 2018Date of Patent: December 27, 2022Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Di Zhang, Fang-Chen Cheng, Xiangli Lin