Patents by Inventor Xueyuan Gao
Xueyuan Gao 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: 11979355Abstract: A method for receiving information, a method for sending information, a terminal and a network device are provided. The method for receiving information includes: receiving indication information, where the indication information is used for indicating at least one transmission configuration indicator TCI state of a demodulation reference signal DMRS port on one or more resources allocated to the terminal; determining a correspondence between the at least one TCI state on the one or more resources and a code division multiplexing CDM group to which the DMRS port belongs; and receiving information according to the correspondence between the TCI state on the one or more resources and the CDM group to which the DMRS port belongs.Type: GrantFiled: February 27, 2020Date of Patent: May 7, 2024Assignee: Datang Mobile Communications Equipment Co., Ltd.Inventors: Xin Su, Qiubin Gao, Runhua Chen, Xueyuan Gao
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Patent number: 11940549Abstract: A positioning method and device used for solving the problems of the existing method for determining an integer ambiguity being relatively difficult and relatively time-consuming. During positioning, the method includes a receiving device determining a virtual phase measured value according to at least two received C-PRS signals (600); determining a TOA measured value according to a received PRS signal (601); determining a virtual integer ambiguity according to the TOA measured value and the virtual phase measured value (602); and finally, determining the location of the receiving device according to the virtual integer ambiguity (603). An integer ambiguity search space is reduced, and the integer ambiguity is determined faster, thus improving the efficiency of determining the location of the receiving device.Type: GrantFiled: December 16, 2019Date of Patent: March 26, 2024Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Ren Da, Bin Ren, Deshan Miao, Hui Li, Xueyuan Gao
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Patent number: 11921226Abstract: A method and a device for positioning are provided. The method for positioning includes: measuring, by a first vehicle, a positioning reference signal PRS and a carrier phase reference signal C-PRS sent by a plurality of positioning reference devices, to obtain a plurality of PRS measurement results and a plurality of C-PRS measurement results, the plurality of positioning reference devices including a network side device and other vehicles; performing, by the first vehicle, a positioning operation according to the plurality of PRS measurement results and the plurality of C-PRS measurement results.Type: GrantFiled: November 21, 2019Date of Patent: March 5, 2024Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Ren Da, Bin Ren, Deshan Miao, Hui Li, Xueyuan Gao
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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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Patent number: 11792766Abstract: A positioning method, a device, a system, a terminal, an LMF entity, and a medium, used to solve the problem of low positioning accuracy of UE-based OTDOA in the prior art.Type: GrantFiled: January 15, 2020Date of Patent: October 17, 2023Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Bin Ren, Ren Da, Hui Li, Deshan Miao, Xueyuan Gao
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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: 20230291450Abstract: Embodiments of the present application provide a method and an apparatus for CSI feedback, an electronic device, and a storage medium. The method for CSI feedback includes: determining a CSI measurement resource corresponding to each data layer group during CSI measurement; determining first correspondence relations between each data layer group and DMRS ports during CSI measurement; determining mapping modes between each data layer group and CSI-RS ports during CSI measurement; determining transmission mode used in CSI measurement and CSI reporting mode corresponding to the transmission mode; and performing CSI feedback according to the CSI measurement resource, the first correspondence relations, the mapping modes, the transmission mode used in the CSI measurement and the CSI reporting mode corresponding to the transmission mode. Therefore, the embodiments of the present application improve flexibility and accuracy of CSI feedback and reduce complexity of CSI feedback.Type: ApplicationFiled: May 25, 2021Publication date: September 14, 2023Inventors: Xin SU, Mengjun WANG, Xueyuan GAO
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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: 20230071462Abstract: Embodiments of the present application provide a control information transmission method and device. In the embodiments of the present application, a base station carries the same DCI on N PDCCH candidates used for DCI collaborative transmission, at least one PDCCH candidate among the N PDCCH candidates corresponding to at least two TCI states, and N being an integer greater than or equal to 1; and the base station sends the DCI by means of a PDCCH among the N PDCCH candidates used for DCI collaborative transmission. The reliability of DCI transmission is improved.Type: ApplicationFiled: December 10, 2020Publication date: March 9, 2023Inventors: Xin SU, Xueyuan GAO, Mengjun WANG, Qiubin GAO
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Publication number: 20230062005Abstract: Provided in embodiments of the present invention are a method and device for transmitting control information. In an embodiment of the present invention, the method comprises: a base station determining to repeatedly transmit DCI; and the base station repeatedly causing the DCI to be carried on at least two PDCCHs used for repeated DCI transmission, and transmitting same. When a terminal is unable to successfully detect some of PDCCHs for repeated DCI transmission due to a blockage or interference, the terminal can still perform detection on the remaining PDCCHs to obtain DCI, thereby enhancing the reliability of DCI transmission.Type: ApplicationFiled: November 26, 2020Publication date: March 2, 2023Inventors: Xin SU, Xueyuan GAO, Mengjun WANG, Qiubin GAO, Lei WANG
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Publication number: 20230051163Abstract: The embodiments of the present application provide a CQI measurement reporting method, an apparatus, a network side device, and a terminal. The CQI measurement reporting method comprises: a network side device determining, for multiple coordinated transmission TRPs or antenna panels, a CSI measurement resource used for CQI measurement; generating network side configuration information, the network side configuration information being used for indicating the network side device to configure a terminal to perform, according to the CSI measurement resource, CQI measurement corresponding to a TDM transmission mode, obtain a corresponding CQI measurement result, and then report the CQI measurement result to the network side device; and sending the CSI measurement resource and the network side configuration information to the terminal.Type: ApplicationFiled: October 15, 2020Publication date: February 16, 2023Inventors: Xueyuan GAO, Xin SU, Qiubin GAO
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Patent number: 11515977Abstract: Disclosed are a signal transmission method and apparatus for transmitting a PRS signal in a 5G NR system, enabling a PRS to be applied to terminal positioning in a 5G NR system. Provided are a signal transmission method, comprising: determining positioning reference signal (PRS) configuration information preset for a cell; and sending a PRS signal to a terminal according to the PRS configuration information.Type: GrantFiled: May 20, 2019Date of Patent: November 29, 2022Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Ren Da, Fang-Chen Cheng, Hui Li, Qiubin Gao, Xueyuan Gao
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Publication number: 20220352939Abstract: The present disclosure provides a method for determining an antenna port and a communication device. The method includes: transmitting control information, the control information including a first information field, the first information field being used to indicate antenna port information of a plurality of antenna port sets; and determining an antenna port set corresponding to each TCI state in a plurality of TCI states, and determining antenna ports in the plurality of antenna port sets in accordance with the first information field. There is a correspondence between the TCI states and the antenna port sets.Type: ApplicationFiled: June 17, 2020Publication date: November 3, 2022Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Xin SU, Qiubin GAO, Xueyuan GAO
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Publication number: 20220337344Abstract: A transmission mode indication method and device, a base station, a terminal and a storage medium are provided. The method includes: transmitting signaling to a UE, so that the UE determines a transmission mode between the UE and a base station according to the signaling, the signaling carrying indication information of a transmission configuration indicator (TCI) state, indication information of a redundancy version (RV), indication information of a demodulation reference signal (DMRS) port, and indication information indicating whether the number of retransmission is carried; or, besides the described indication information, the signaling also carrying indication information of a transmission mode.Type: ApplicationFiled: June 28, 2020Publication date: October 20, 2022Inventors: Xueyuan GAO, Xin SU, Qiubin GAO
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Patent number: 11452065Abstract: Disclosed by the present application are a positioning method and apparatus, which are used to improve indoor positioning performance and precision without occupying a large amount of system resources. At a positioning server side, a positioning method provided by an embodiment of the present application comprises: acquiring a positioning capability supported by a user equipment (UE), and determining, according to the positioning capability, that the UE may obtain a positioning measurement value by means of detecting a positioning reference signal ioPRS that is used for indoor/outdoor positioning; acquiring positioning auxiliary data comprising ioPRS configuration data, and sending the positioning auxiliary data to the UE; acquiring the positioning measurement value that is provided by the UE and that is acquired on the basis of the ioPRS, and using the positioning measurement value to position the UE.Type: GrantFiled: May 29, 2019Date of Patent: September 20, 2022Assignee: Datang Mobile Communications Equipment Co., Ltd.Inventors: Ren Da, Fang-Chen Cheng, Xueyuan Gao, Hui Li, Qiubin Gao
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Publication number: 20220287021Abstract: The present disclosure provides a data transmission method, a device, a terminal and a base station, wherein the data transmission method includes: receiving redundancy version (RV) identification information sent by a base station; determining an RV basic sequence according to the RV identification information; determining a correspondence relationship between each RV in the RV basic sequence and each transmission occasion; receiving, at each transmission occasion by using a corresponding RV according to the correspondence relationship, physical downlink shared channel (PDSCH) data sent by the base station; wherein, the RV basic sequence is one of at least two predefined RV sequences.Type: ApplicationFiled: July 28, 2020Publication date: September 8, 2022Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Xueyuan GAO, Xin SU, Qiubin GAO
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Publication number: 20220279565Abstract: Disclosed in embodiments of the present application are a method and device for scheduling transmission, which are used to solve the problem in which there are currently no solutions for transmission scheduling that supports various communication scenario changes. In the embodiments of the present application, a network side device sends a transmission instruction to a terminal device; and the terminal device determines a transmission scheduling mode according to the transmission instruction and performs transmission scheduling. Moreover, after determining that an adjustment condition is satisfied, the network side device determines a new transmission scheduling mode and notifies the terminal device, so that the terminal device performs transmission scheduling by means of the new transmission scheduling mode.Type: ApplicationFiled: June 19, 2020Publication date: September 1, 2022Inventors: Xueyuan GAO, Xin SU, Qiubin GAO
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Publication number: 20220256508Abstract: Disclosed are a resource determination method and device. On a network side, a resource determination method provided in the embodiments of the present application includes: determining a correlation between a transmission configuration indication (TCI) state and a time domain resource; and determining, according to the correlation, the time domain resource corresponding to the TCI state.Type: ApplicationFiled: May 28, 2020Publication date: August 11, 2022Inventors: Xin SU, Qiubin GAO, Xueyuan GAO
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Publication number: 20220256514Abstract: Disclosed in the present application are a resource allocation method and device and a resource determination method and device, for use in implementing resource allocation in a multi-TPR/panel-based URLLC enhanced transmission solution. The resource allocation method provided in the present application comprises: allocating a transmission configuration indication (TCI) state resource and determining TCI state resource allocation information; and notifying a terminal of the TCI state resource allocation information.Type: ApplicationFiled: May 28, 2020Publication date: August 11, 2022Inventors: Xin SU, Qiubin GAO, Xueyuan GAO
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Publication number: 20220200758Abstract: A method for receiving information, a method for sending information, a terminal and a network device are provided. The method for receiving information includes: receiving indication information, where the indication information is used for indicating at least one transmission configuration indicator TCI state of a demodulation reference signal DMRS port on one or more resources allocated to the terminal; determining a correspondence between the at least one TCI state on the one or more resources and a code division multiplexing CDM group to which the DMRS port belongs; and receiving information according to the correspondence between the TCI state on the one or more resources and the CDM group to which the DMRS port belongs.Type: ApplicationFiled: February 27, 2020Publication date: June 23, 2022Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Xin SU, Qiubin GAO, Runhua CHEN, Xueyuan GAO