Patents by Inventor Zhiyu Yan
Zhiyu 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: 11926537Abstract: A preparation method of a crop straw-based seawater desalinator and a product thereof, and the preparation process is as follows: (1) crushing crop straws, and screening the crushed crop straws through a mesh sieve to obtain straw powder; (2) calcining the straw powder at a high temperature under nitrogen protection to obtain biochar, and then putting the biochar into a ball mill for ball milling to obtain ball-milled biochar; (3) adding the straw powder into a sodium hydroxide solution for reaction, and centrifuging a reactant to obtain a viscous product; and (4) stirring the viscous product uniformly with the ball-milled biochar to obtain a mixture, pouring the mixture into a mold, and freezing and drying the mixture to obtain a seawater desalinator. The evaporator features high evaporation rate and the photothermal conversion efficiency, and the ion concentration of the water body after evaporation is greatly reduced.Type: GrantFiled: September 14, 2023Date of Patent: March 12, 2024Assignee: JIANGSU ACADEMY OF AGRICULTURAL SCIENCESInventors: Nina Yan, Lei Xu, Zhiyu Zheng, Jingwen Chen, Xizhi Jiang
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Publication number: 20230247675Abstract: The application discloses a contention-free random access resource indication method, including the following steps: determining, from a random access triggering time, a time different from the random access triggering time by a first interval as a first time, and selecting an RO to carry a preamble at and after the first time, wherein the first interval is a time offset corresponding to a first time offset, the random access triggering time is a time when DCI triggers a random access procedure, and a preamble ID is indicated in DCI. The application further includes a device applying the method. The application solves the problem in an existing method of inadequate preparation time for preamble transmission, and is particularly suitable for a RACH technology of a mobile communication system.Type: ApplicationFiled: March 29, 2023Publication date: August 3, 2023Inventors: Xia SHEN, Ying DU, Zhiyu YAN, Huiying JIAO, Xiaofeng LIU, Guiming WEI, Fei XU, Zhiqin WANG
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Publication number: 20230217449Abstract: Embodiments of the present invention provide an uplink control information sending method, an uplink control information receiving method, an apparatus, and a system. The method includes: receiving, by a terminal device, channel indication information from an access network device on a physical control channel; determining the channel resource set that is of N channel resource sets and that matches a type or a size of the UCI as a first channel resource set; determining a channel resource that is in the first channel resource set and that is indicated by the channel indication information; and sending uplink control information UCI to the access network device on the channel resource. A quantity of bits that need to be added to the channel indication information in the embodiments of the present invention is less than that in the prior art.Type: ApplicationFiled: December 28, 2022Publication date: July 6, 2023Inventors: Zhiyu YAN, Lei GUAN, Yongxia LYU
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Patent number: 11558860Abstract: Embodiments of the present invention provide an uplink control information sending method, an uplink control information receiving method, an apparatus, and a system. The method includes: receiving, by a terminal device, channel indication information from an access network device on a physical control channel; determining the channel resource set that is of N channel resource sets and that matches a type or a size of the UCI as a first channel resource set; determining a channel resource that is in the first channel resource set and that is indicated by the channel indication information; and sending uplink control information UCI to the access network device on the channel resource. A quantity of bits that need to be added to the channel indication information in the embodiments of the present invention is less than that in the prior art.Type: GrantFiled: September 17, 2020Date of Patent: January 17, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Zhiyu Yan, Lei Guan, Yongxia Lyu
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Patent number: 11558863Abstract: The present application discloses a method for multiplexing multi-service UCI on an uplink data channel to solve the problem of different numbers of coded bits of UCI of different services. The method includes: regulating a value of a code rate offset of UCI relative to a UL-SCH, and calculating the number of modulation symbols for transmitting coded information according to the code rate offset. With the consideration that URLLC data requires higher reliability when UCI of the eMBB service is multiplexed on a UL-SCH of the URLLC service, a corresponding numerical value is required to be smaller than 1. When UCI of a URLLC is multiplexed on a PUSCH of the eMBB, the code rate offset is increased. furthermore, high-layer signaling may include a scaling parameter. It is suitable to apply the method disclosed by the present application to different service multiplexing scenarios simultaneously.Type: GrantFiled: December 5, 2020Date of Patent: January 17, 2023Assignee: CHINA ACADEMY OF INFORMATION AND COMMUNICATIONSInventors: Zhiqin Wang, Huiying Jiao, Ying Du, Guiming Wei, Fei Xu, Xia Shen, Zhiyu Yan, Xiaofeng Liu
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Publication number: 20220338223Abstract: Disclosed in the present application is a hybrid automatic repeat request feedback method, which comprises the steps that: an HARQ-ACK codebook includes HARQ-ACK information of M PDSCHs, the M PDSCHs are all scheduled by first-type PDCCHs, and the first-type PDCCHs are used for activating an SPS configuration; the order of the HARQ-ACK information of the M PDSCHs in the HARQ-ACK codebook is arranged according to at least one parameter value among cell indexes, BWP indexes, SPS configuration indexes and PDSCH transmission moments of the M PDSCHs. The embodiments of the present application also provide a hybrid automatic repeat request feedback method with the participation of second-type PDCCHs for releasing SPS and dynamically configured third-type PDCCHs. The present application also provides a terminal device and a network device to which the method is applied. The present application solves the problem of how to generate an HARQ-ACK codebook when there are multiple PDSCHs in an SPS configuration condition.Type: ApplicationFiled: August 14, 2020Publication date: October 20, 2022Inventors: Zhiyu YAN, Zhiqin WANG, Ying DU, Xiaofeng LU, Guiming WEI, Fei XU, Xia SHEN, Huiying JIAO
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Patent number: 11418280Abstract: The present disclosure relates to an information sending method and a device. In examples of the present disclosure, a terminal may send feedback information for a downlink subframe to a network device in a first feedback manner, that is, a first codebook of the feedback information is determined according to an instantly scheduled downlink subframe set.Type: GrantFiled: November 25, 2020Date of Patent: August 16, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Lei Guan, Yongxia Lyu, Zhiyu Yan
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Patent number: 11363575Abstract: In an uplink information receiving method, a first terminal device receives first indication information sent by a network device, where the first indication information indicates a first uplink resource; and the first terminal device sends uplink information to the network device on a fourth uplink resource, where the fourth uplink resource is a resource other than a second uplink resource in the first uplink resource, the second uplink resource is a subset of a third uplink resource, and the third uplink resource is an intersection between a fifth uplink resource configured for a second terminal device and the first uplink resource.Type: GrantFiled: October 11, 2019Date of Patent: June 14, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Zhiyu Yan, Yongxia Lyu
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Patent number: 11330595Abstract: A sending method includes: determining, by a terminal device, a target uplink control channel in a first uplink control channel and a second uplink control channel, where the first uplink control channel corresponds to first uplink control information and the second uplink control channel corresponds to second uplink control information; and sending, by the terminal device, target uplink control information on the target uplink control channel, where the target uplink control information includes the first uplink control information and the second uplink control information.Type: GrantFiled: December 13, 2019Date of Patent: May 10, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Zhiyu Yan, Yongxia Lyu
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Patent number: 11310812Abstract: Embodiments of the present invention provide a data sending method, a data receiving method, user equipment, and a base station. The method includes: receiving, by UE, an uplink scheduling grant, where the uplink scheduling grant includes first resource indication information; determining, by the UE, a target resource based on the first resource indication information, where the target resource is allocated resource blocks in M basic resource elements; and sending, by the UE, uplink data on the target resource. In the embodiments of the present invention, service coverage of a base station can be significantly improved.Type: GrantFiled: August 3, 2018Date of Patent: April 19, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Zhiyu Yan, Lei Guan
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Patent number: 11212823Abstract: A method for transmitting uplink control information includes: receiving, by a terminal device, scheduling information and trigger information from an access network device, where the scheduling information is used to instruct the terminal device to transmit, in M uplink subframes, uplink data scheduled by the scheduling information, M is a positive integer not less than 2, and the trigger information is used to instruct the terminal device to send uplink control information; determining, by the terminal device, in the M uplink subframes, an uplink subframe for carrying the uplink control information, where the determined uplink subframe is a subframe other than a first subframe in the M uplink subframes, and the first subframe is a first uplink subframe in the M uplink subframes; and sending, by the terminal device, the uplink control information in the determined uplink subframe.Type: GrantFiled: November 13, 2018Date of Patent: December 28, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Juan Zheng, Lei Guan, Zhiyu Yan
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Patent number: 11153858Abstract: An uplink communication method is disclosed, so that a network device can control an uplink communication latency, reliability, and uplink transmit power in an uplink grant free communication scenario. The method includes: obtaining, by a terminal device, a first control channel, where the first control channel carries a control information group, the control information group includes a plurality of pieces of control information, and the plurality of pieces of control information correspond to a plurality of uplink channels; obtaining, by the terminal device, first control information from the first control channel, where the first control information is control information corresponding to a first uplink channel in the plurality of uplink channels; and performing, by the terminal device, uplink communication with a network device based on the first control information.Type: GrantFiled: September 23, 2019Date of Patent: October 19, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Zhiyu Yan, Yongxia Lyu
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Patent number: 11101960Abstract: Embodiments of the present invention provide a method for transmitting uplink control information and an apparatus, applicable to a multi-carrier system. A user terminal receives physical layer signaling from a network device, where the physical layer signaling includes first indication information. The user terminal determines, according to the first indication information, a bit quantity of periodic CSI that can be sent on a channel resource or a piece quantity of periodic CSI that can be sent on a channel resource. The user terminal determines, according to the bit quantity or the piece quantity of the periodic CSI that can be sent, to-be-sent periodic CSI from periodic CSI corresponding to multiple downlink carriers. The user terminal sends HARQ-ACK information and the to-be-sent periodic CSI on the channel resource.Type: GrantFiled: July 12, 2019Date of Patent: August 24, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Yongxia Lyu, Zhiyu Yan, Lei Guan
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Patent number: 11076364Abstract: Embodiments of the present invention provide a power determining method, a user equipment, and a base station. The method includes: determining an initial transmit power of each transmission object in a transmission object set; when a sum of initial transmit powers of all the transmission objects in the transmission object set is greater than a maximum transmit power, performing a power reduction operation based on a priority sequence of information corresponding to the transmission objects, so as to acquire an available transmit power of each transmission object in the transmission object set, where a sum of available transmit powers of all the transmission objects in the transmission object set is not greater than the maximum transmit power; and sending each transmission object in the transmission object set according to the available transmit power corresponding to each transmission object in the transmission object set.Type: GrantFiled: February 14, 2020Date of Patent: July 27, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Yan Cheng, Zhiyu Yan
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Patent number: 11071134Abstract: The present disclosure describes methods, user equipment, and base stations for sending feedback information. One example method includes: sending scheduling information on a downlink control channel to user equipment, wherein the downlink control channel is in a downlink subframe which belongs to a preconfigured downlink subframe set, and the scheduling information is used for scheduling downlink data; determining an uplink subframe for receiving feedback information corresponding to the downlink data, wherein the preconfigured downlink subframe set is a set of downlink subframes that are associated with the uplink subframe and that are of all carriers configured for the user equipment by the base station; sending PUCCH resource indication information to the user equipment for indicating a PUCCH resource.Type: GrantFiled: December 27, 2019Date of Patent: July 20, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Lei Guan, Yongxia Lyu, Zhiyu Yan, Jiehua Xiao
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Publication number: 20210184790Abstract: The present disclosure relates to an information sending method and a device. In examples of the present disclosure, a terminal may send feedback information for a downlink subframe to a network device in a first feedback manner, that is, a first codebook of the feedback information is determined according to an instantly scheduled downlink subframe set.Type: ApplicationFiled: November 25, 2020Publication date: June 17, 2021Inventors: Lei GUAN, Yongxia LYU, Zhiyu YAN
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Publication number: 20210092735Abstract: The present application discloses a method for multiplexing multi-service UCI on an uplink data channel to solve the problem of different numbers of coded bits of UCI of different services. The method includes: regulating a value of a code rate offset of UCI relative to a UL-SCH, and calculating the number of modulation symbols for transmitting coded information according to the code rate offset. With the consideration that URLLC data requires higher reliability when UCI of the eMBB service is multiplexed on a UL-SCH of the URLLC service, a corresponding numerical value is required to be smaller than 1. When UCI of a URLLC is multiplexed on a PUSCH of the eMBB, the code rate offset is increased. furthermore, high-layer signaling may include a scaling parameter. It is suitable to apply the method disclosed by the present application to different service multiplexing scenarios simultaneously.Type: ApplicationFiled: December 5, 2020Publication date: March 25, 2021Applicant: CHINA ACADEMY OF INFORMATION AND COMMUNICATIONSInventors: Zhiqin WANG, Huiying JIAO, Ying DU, Guiming WEI, Fei XU, Xia SHEN, Zhiyu YAN, Xiaofeng LIU
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Patent number: 10958364Abstract: The present disclosure discloses a data transmission method, a device, and a system, relates to the communications field, and can resolve a prior-art problem that a receive end cannot correctly receive data because a starting moment of sending information on a license-exempt spectrum cannot be determined. A specific solution is as follows: A first device detects first information of a first serving cell in a preset time period of a first subframe on a first time resource or a first time set of a subframe on a first time resource, determines a starting position of a second time resource according to the first information, and detects second information of the first serving cell in a second time set of a subframe on the second time resource. The present disclosure is used for data transmission.Type: GrantFiled: October 9, 2017Date of Patent: March 23, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Juan Zheng, Zhiyu Yan, Qiang Li, Sha Ma
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Publication number: 20210076374Abstract: Embodiments of the present invention provide an uplink control information sending method, an uplink control information receiving method, an apparatus, and a system. The method includes: receiving, by a terminal device, channel indication information from an access network device on a physical control channel; determining the channel resource set that is of N channel resource sets and that matches a type or a size of the UCI as a first channel resource set; determining a channel resource that is in the first channel resource set and that is indicated by the channel indication information; and sending uplink control information UCI to the access network device on the channel resource. A quantity of bits that need to be added to the channel indication information in the embodiments of the present invention is less th-n that in the prior art.Type: ApplicationFiled: September 17, 2020Publication date: March 11, 2021Inventors: Zhiyu YAN, Lei GUAN, Yongxia LYU
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Patent number: D1029185Type: GrantFiled: April 22, 2022Date of Patent: May 28, 2024Assignee: Huaian Hohear Tech. Co., Ltd.Inventors: Han Sun, Li Chen, Chaochao Sun, Kai Liu, Dongdong Zhang, Jiajie Yan, Wentao Yan, Yueyue Qian, Zhiyu Chen