Patents by Inventor Chaoyi YAN
Chaoyi YAN 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: 11936572Abstract: A carrier aggregation system includes a TDD carrier and an FDD carrier, and a method for the carrier aggregation system includes: a terminal device receives downlink information by using a secondary component carrier; and the terminal device sends feedback information for the downlink information by using a primary component carrier. When the primary component carrier or the secondary component carrier is a TDD carrier, at least one first subframe that includes P consecutive sTTIs exists in the TDD carrier, and at least one sTTI that occupies two OFDM symbols exists in the P consecutive sTTIs, where P is an integer greater than 1. Embodiments of the present disclosure further provide a corresponding terminal device and network device.Type: GrantFiled: June 16, 2021Date of Patent: March 19, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Chaoyi Yan, Zezhou Luo
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Patent number: 11909461Abstract: A communication apparatus acting as a baseband unit (BBU) or being applicable to a BBU, and having instructions for obtaining first coordination information to be sent to a second BBU, determining, based on preset link information, a transmission link corresponding to the second BBU, the transmission link including a first remote radio unit (RRU) and a second RRU, the first RRU belonging to the BBU, the second RRU belonging to the second BBU, and the first RRU and the second RRU being connected through a wired link, sending the first coordination information to the first RRU, sending indication information to the first RRU, the indication information indicating to the first RRU to send the first coordination information to the second RRU through the wired link, the indication information having an identifier of the second RRU.Type: GrantFiled: July 30, 2021Date of Patent: February 20, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Bo Wang, Chaoyi Yan, Zezhou Luo
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Publication number: 20220367861Abstract: Solid-state lithium-ion cells described herein can operate at pressures. In some embodiments, the solid-state lithium-ion cells undergo little or no volume change during cycling. A conditioning process that that significantly improves the performance of a cell at reduced pressures can involve cycling the cell at high pressure.Type: ApplicationFiled: May 3, 2022Publication date: November 17, 2022Inventors: Kevin Wujcik, Chaoyi Yan, Josephine Pedersen, Terri Lin, Eduard Nasybulin
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Publication number: 20220352565Abstract: Solid-state lithium-ion cells described herein can operate at pressures. In some embodiments, the solid-state lithium-ion cells undergo little or no volume change during cycling. A conditioning process that that significantly improves the performance of a cell at reduced pressures can involve cycling the cell at high pressure.Type: ApplicationFiled: May 3, 2022Publication date: November 3, 2022Inventors: Kevin Wujcik, Chaoyi Yan, Josephine Pedersen, Terri Lin, Eduard Nasybulin
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Publication number: 20220141750Abstract: Embodiments of this application disclose a switching method and a related apparatus. When a terminal device has a switching requirement, to sift a target network device for the terminal device, a source network device receives N pieces of data channel quality information, where the N pieces of data channel quality information are in a one-to-one correspondence with N candidate network devices, and each of the N pieces of data channel quality information is used to indicate coverage quality of a data channel between the terminal device and a candidate network device corresponding to the data channel quality information.Type: ApplicationFiled: January 14, 2022Publication date: May 5, 2022Inventors: Jia LIU, Chaoyi YAN, Siduo SHEN
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Publication number: 20210359719Abstract: A communication apparatus acting as a baseband unit (BBU) or being applicable to a BBU, and having instructions for obtaining first coordination information to be sent to a second BBU, determining, based on preset link information, a transmission link corresponding to the second BBU, the transmission link including a first remote radio unit (RRU) and a second RRU, the first RRU belonging to the BBU, the second RRU belonging to the second BBU, and the first RRU and the second RRU being connected through a wired link, sending the first coordination information to the first RRU, sending indication information to the first RRU, the indication information indicating to the first RRU to send the first coordination information to the second RRU through the wired link, the indication information having an identifier of the second RRU.Type: ApplicationFiled: July 30, 2021Publication date: November 18, 2021Inventors: Bo Wang, Chaoyi Yan, Zezhou Luo
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Publication number: 20210352676Abstract: Embodiments of this application provide a resource allocation method, a base station, and a terminal. The method includes receiving band information sent by a terminal, where the band information is indicates band types supported by the terminal. Configuration information is sent to the terminal if it is determined that the band information indicates that the band types supported by the terminal include a first band and one or more second bands. The configuration information indicates allocation of the first band and the second band to the terminal, and that the first band is to operate in a supplemental downlink (SDL) mode, where the second band is different from the first band and a third band, and the third band is a band that causes interference to an uplink signal if the uplink signal is on the first band.Type: ApplicationFiled: July 21, 2021Publication date: November 11, 2021Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Chaoyi Yan, Yuanke Luo
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Publication number: 20210314110Abstract: This application discloses a communication method for a carrier aggregation system. The carrier aggregation system is a carrier aggregation system including a TDD carrier and an FDD carrier, and method includes: A terminal device receives downlink information by using a secondary component carrier; and the terminal device sends feedback information for the downlink information by using a primary component carrier. When the primary component carrier or the secondary component carrier is a TDD carrier, at least one first subframe that includes P consecutive sTTIs exists in the TDD carrier, and at least one sTTI that occupies two OFDM symbols exists in the P sTTIs, where P is an integer greater than 1. Embodiments of the present disclosure further provide a corresponding terminal device and network device.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Inventors: Chaoyi YAN, Zezhou LUO
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Patent number: 11121781Abstract: This application provides a calibration method: receiving, by a control apparatus of an RRU, resource configuration information, where a time-frequency resource indicated by the resource configuration information is used to send and receive a calibration signal between the RRU and n other RRUs, the n other RRUs are RRUs in a calibration path topology, a quantity of hops of a calibration path between the RRU and each of the n other RRUs is 1; controlling, based on the resource configuration information, the RRU to send and receive a calibration signal on the time-frequency resource; obtaining m groups of path information based on the calibration signal; obtaining m calibration coefficients based on the m groups of path information; and compensating M channels of the RRU by using the m calibration coefficients.Type: GrantFiled: May 29, 2020Date of Patent: September 14, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Fan Luo, Feng Li, Yue Liu, Chaoyi Yan
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Patent number: 11114579Abstract: A method for preparing an ultrathin two-dimensional (2D) monocrystalline nanosheet, the method including: 1) placing BiX3 powder where X=I, Br, or Cl in a crucible, and putting the crucible on a first heating zone of a furnace disposed at a gas inlet of a quartz tube; placing substrates covered with metal sheets on a second heating zone of the furnace disposed at a gas outlet of the quartz tube; 2) vacuumizing the quartz tube; pumping Ar gas into the quartz tube until the air pressure is 101.325 kPa; pumping a carrier gas into the quartz tube; and 3) heating and maintaining the second heating zone; heating the first heating zone for BiX3 evaporation until producing chemical reaction between BiX3 and the metal sheets, and preparing ultrathin 2D nanosheets on the substrates simultaneously; and cooling the substrate naturally to 15-30° C.Type: GrantFiled: June 19, 2020Date of Patent: September 7, 2021Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINAInventors: Jie Xiong, Chuanhui Gong, Yang Wang, Gaofeng Rao, Chujun Yin, Chaoyi Yan, Junwei Chu, Jianwen Huang, Miao Zhang, Xinrui Chen, Yuqing Liu, Chunyang Wu, Xianfu Wang, Liping Dai, Wanli Zhang, Yanrong Li
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Publication number: 20210226247Abstract: Composite solid electrolytes (CSE) and metal or metal ion energy storage devices that include a CSE are provided. The CSE can include silane-decorated ceramic nanofibers a polymeric material, and a plurality of metal ions. The energy storage device includes a CSE operably coupled with an anode and a cathode. Methods for making a composite solid electrolyte are also provided.Type: ApplicationFiled: November 12, 2020Publication date: July 22, 2021Inventors: Xiangwu Zhang, Chaoyi Yan, Mahmut Dirican
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Patent number: 10939307Abstract: A method for calibrating a channel between radio remote unit (RRUs) includes: for each subcarrier in M subcarriers in full bandwidth, instructing, by a baseband unit (BBU), a reference RRU to transceive a calibration signal on the subcarrier by using a reference channel and a preset channel in a preset RRU, and calculating a calibration coefficient; and determining a first correspondence according to M calibration coefficients obtained by means of calculation, where the first correspondence includes a correspondence between a frequency of each subcarrier and the calibration coefficient on the subcarrier, 2?M<N, N is a total quantity of subcarriers in the full bandwidth, and both M and N are integers.Type: GrantFiled: November 29, 2018Date of Patent: March 2, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Guochen Liu, Quanzhong Gao, Hui Huang, Chaoyi Yan
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Patent number: 10904892Abstract: A beamforming method and apparatus are disclosed, to expand coverage of a PDCCH in a particular direction, and improve demodulation performance of the PDCCH. Under this method, a cell-specific reference signal CRS wide beam can be combined by a base station with N CRS narrow beams to form N CRS composite beams. A first beam can be selected by the base station from the N CRS composite beams. Beamforming processing can be performed by the base station on a physical downlink control channel (PDCCH) based on a weight of the first beam to form a second beam. The first beam and the second beam can be sent.Type: GrantFiled: May 28, 2019Date of Patent: January 26, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Quanzhong Gao, Chaoyi Yan, Chen Wang
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Publication number: 20200403111Abstract: A method for preparing an ultrathin two-dimensional (2D) monocrystalline nanosheet, the method including: 1) placing BiX3 powder where X=I, Br, or Cl in a crucible, and putting the crucible on a first heating zone of a furnace disposed at a gas inlet of a quartz tube; placing substrates covered with metal sheets on a second heating zone of the furnace disposed at a gas outlet of the quartz tube; 2) vacuumizing the quartz tube; pumping Ar gas into the quartz tube until the air pressure is 101.325 kPa; pumping a carrier gas into the quartz tube; and 3) heating and maintaining the second heating zone; heating the first heating zone for BiX3 evaporation until producing chemical reaction between BiX3 and the metal sheets, and preparing ultrathin 2D nanosheets on the substrates simultaneously; and cooling the substrate naturally to 15-30° C.Type: ApplicationFiled: June 19, 2020Publication date: December 24, 2020Inventors: Jie XIONG, Chuanhui GONG, Yang WANG, Gaofeng RAO, Chujun YIN, Chaoyi YAN, Junwei CHU, Jianwen HUANG, Miao ZHANG, Xinrui CHEN, Yuqing LIU, Chunyang WU, Xianfu WANG, Liping DAI, Wanli ZHANG, Yanrong LI
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Patent number: 10841930Abstract: A wireless communication method, a base station and a terminal are disclosed. In an embodiment a method includes determining, by a base station, a first resource and a second resource from a target resource, wherein the target resource is a resource shared by at least one terminal in a first Radio Access Technology (RAT) and at least one terminal in a second RAT, the first resource being a resource used by the terminal in the first RAT, and the second resource being a resource used by the terminal in the second RAT, sending, by the base station, first indication information to the terminal in the first RAT, wherein the first indication information is used to indicate the first resource to be used by the terminal in the first RAT and sending, by the base station, second indication information to the terminal in the second RAT, wherein the second indication information is used to indicate the second resource to be used by the terminal in the second RAT.Type: GrantFiled: March 7, 2019Date of Patent: November 17, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Quanzhong Gao, Chaoyi Yan, Heng Xu, Chao Zhang
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Publication number: 20200295851Abstract: This application provides a calibration method: receiving, by a control apparatus of an RRU, resource configuration information, where a time-frequency resource indicated by the resource configuration information is used to send and receive a calibration signal between the RRU and n other RRUs, the n other RRUs are RRUs in a calibration path topology, a quantity of hops of a calibration path between the RRU and each of the n other RRUs is 1; controlling, based on the resource configuration information, the RRU to send and receive a calibration signal on the time-frequency resource; obtaining m groups of path information based on the calibration signal; obtaining m calibration coefficients based on the in groups of path information; and compensating M channels of the RRU by using the in calibration coefficients.Type: ApplicationFiled: May 29, 2020Publication date: September 17, 2020Inventors: Fan LUO, Feng LI, Yue LIU, Chaoyi YAN
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Publication number: 20190281607Abstract: A beamforming method and apparatus are disclosed, to expand coverage of a PDCCH in a particular direction, and improve demodulation performance of the PDCCH. Under this method, a cell-specific reference signal CRS wide beam can be combined by a base station with N CRS narrow beams to form N CRS composite beams. A first beam can be selected by the base station from the N CRS composite beams. Beamforming processing can be performed by the base station on a physical downlink control channel (PDCCH) based on a weight of the first beam to form a second beam. The first beam and the second beam can be sent.Type: ApplicationFiled: May 28, 2019Publication date: September 12, 2019Inventors: Quanzhong GAO, Chaoyi YAN, Chen WANG
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Publication number: 20190208530Abstract: A wireless communication method, a base station and a terminal are disclosed. In an embodiment a method includes determining, by a base station, a first resource and a second resource from a target resource, wherein the target resource is a resource shared by at least one terminal in a first Radio Access Technology (RAT) and at least one terminal in a second RAT, the first resource being a resource used by the terminal in the first RAT, and the second resource being a resource used by the terminal in the second RAT, sending, by the base station, first indication information to the terminal in the first RAT, wherein the first indication information is used to indicate the first resource to be used by the terminal in the first RAT and sending, by the base station, second indication information to the terminal in the second RAT, wherein the second indication information is used to indicate the second resource to be used by the terminal in the second RAT.Type: ApplicationFiled: March 7, 2019Publication date: July 4, 2019Inventors: Quanzhong Gao, Chaoyi Yan, Heng Xu, Chao Zhang
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Publication number: 20190098519Abstract: Embodiments of the present invention provide a method and an apparatus for calibrating a channel between RRUs. The method includes: for each subcarrier in M subcarriers in full bandwidth, instructing, by a BBU, a reference RRU to transceive a calibration signal on the subcarrier by using a reference channel and a preset channel in a preset RRU, and calculating a calibration coefficient; and determining a first correspondence according to M calibration coefficients obtained by means of calculation, where the first correspondence includes a correspondence between a frequency of each subcarrier and the calibration coefficient on the subcarrier, 2?M<N, N is a total quantity of subcarriers in the full bandwidth, and both M and N are integers.Type: ApplicationFiled: November 29, 2018Publication date: March 28, 2019Inventors: Guochen LIU, Quanzhong GAO, Hui HUANG, Chaoyi YAN
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Patent number: 10165586Abstract: Embodiments of the present invention relate to a method and device for determining RRU. The method includes: a BBU obtains interference strength information of a terminal, where the interference strength information includes a downlink mode of the terminal. The method further includes: if demodulation is performed by using a dedicated reference signal (DRS) in the downlink mode, the BBU performs resource scheduling on the terminal by using a second RRU, where the second RRU is selected by the BBU from multiple first RRUs that serve the terminal; or if demodulation is performed without using a DRS in the downlink mode, the BBU performs resource scheduling on the terminal by using a third RRU, where the third RRU is determined by the BBU according to any one of an uplink signal strength value of the terminal, a downlink quality value of the terminal, or an uplink quality value of the terminal.Type: GrantFiled: December 27, 2016Date of Patent: December 25, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Li Li, Quanzhong Gao, Chaoyi Yan, Hui Huang