Patents by Inventor Yifan Zhou

Yifan Zhou 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).

  • Publication number: 20220416946
    Abstract: This application provides a communication method and an apparatus, and relates to the field of communications technologies, to reduce a phenomenon that an acknowledge rule is violated in some scenarios. The method includes: After a receive device receives a first data unit from a transmit device through a first link, the receive device sends receiving status information of the first data unit to the transmit device through the first link, unless the first data unit meets any one of a first preset condition. The first preset condition includes: Correctly received information of the first data unit is fed back through another link, or an acknowledge policy corresponding to the first data unit is no acknowledge. The communication method in embodiments of this application is applied to a multi-link data transmission process.
    Type: Application
    Filed: September 7, 2022
    Publication date: December 29, 2022
    Inventors: Yunbo LI, Ming GAN, Yuchen GUO, Yifan ZHOU
  • Publication number: 20220394556
    Abstract: Embodiments of this application disclose a method for determining a data buffer status, and an apparatus. The method includes: A first MLD receives first indication information from a second MLD, and determines, based on the first indication information and a correspondence between an association identifier of the first MLD and a data type supported by the first MLD, a buffer status of bufferable data that corresponds to the at least one data type and that is in the second MLD, where the first indication information is used to indicate the buffer status of the bufferable data. According to the embodiments of this application, a data buffer status in a data type dimension can be determined. The embodiments of this application may be applied to a wireless local area network system that supports a next-generation Wi-Fi EHT protocol of the IEEE 802.11, that is, the 802.11 protocol such as 802.11be.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 8, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yunbo LI, Ming GAN, Yuchen GUO, Yifan ZHOU, Yiqing LI
  • Publication number: 20220346166
    Abstract: Embodiments of this application provide a multi-link communication method, an apparatus, and a system that relate to the field of communication technologies, to resolve a technical problem in conventional multi-link communication that an amount of information sent by a multi-link device to a peer multi-link device is large, a process in which the peer multi-link device determines, based on the information, a link that can support simultaneous data sending and receiving as a link that is receiving data is cumbersome, and processing load of the peer multi-link device is heavy. The method includes: generating link grouping information, where the link grouping meets a following characteristic: links belonging to different link groups support simultaneous data sending and receiving; and sending the link grouping information.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Inventors: Yuchen GUO, Yunbo LI, Yifan ZHOU
  • Publication number: 20220338285
    Abstract: Embodiments provide a multi-link communication method and a related apparatus. A first station generates a radio frame, where the first station is one of a plurality of stations included in a first multi-link device. The first multi-link device includes a first station operating on a first link and a second station operating on a second link. The first station transmits the radio frame on the first link, where the radio frame includes capability indication information, and the capability indication information indicates whether the first station and the second station support simultaneous transmitting/receiving operations. According to the embodiments of this application, communication quality can be ensured.
    Type: Application
    Filed: January 10, 2022
    Publication date: October 20, 2022
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Yifan Zhou, Yuchen Guo, Yunbo Li, Ming Gan
  • Publication number: 20220330065
    Abstract: Embodiments of this application disclose an interference measurement station, access point, and method, where the method includes: A second station receives, on a second link, a measurement signal sent by a first station on a first link. The second station generates a measurement result based on the received measurement signal. The second station sends the measurement result to an access point. The embodiments of this application can be used to facilitate scheduling of communication between different stations by the access point, to reduce a collision probability between stations that interfere with each other, and to improve an overall system throughput.
    Type: Application
    Filed: June 29, 2022
    Publication date: October 13, 2022
    Inventors: Yifan ZHOU, Yuchen GUO, Jian YU, Yunbo LI
  • Publication number: 20220326017
    Abstract: Disclosed is a self-adaptive horizontal attitude measurement method based on motion state monitoring. Based on a newly established state space model, a horizontal attitude angle is taken as a state variable, an angular velocity increment ??b for compensating a random constant zero offset is taken as a control input of a system equation, and a specific force fb for compensating the random constant zero offset is taken as a measurement quantity. Meanwhile, judgment conditions for a maneuvering state of a carrier are improved, and maneuvering information of the carrier is judged by comprehensively utilizing acceleration information and angular velocity information output by a micro electro mechanical system inertial measurement unit (MEMS-IMU), whereby a measurement noise matrix of a filter can be automatically adjusted, thereby effectively reducing the influence of carrier maneuvering on the calculation of a horizontal attitude.
    Type: Application
    Filed: June 20, 2022
    Publication date: October 13, 2022
    Inventors: Yuxin Zhao, Shuaiyang Li, Yueyang Ben, Lei Wu, Qian Li, Guangtao Zhou, Xinle Zang, Tingxiao Wei, Jiancheng Wang, Yifan Zhou
  • Publication number: 20220272783
    Abstract: A link identifier indication method includes: A multi-link device working on a plurality of links sends a radio frame, where the radio frame includes link information of at least one link in the plurality of links, and link information of one link is used to indicate the link and corresponds to a link identifier of the link; a receiving device that receives the radio frame may determine the link identifier of the link corresponding to the link information, so that in communication of the multi-link device, a link can be identified by using the link identifier.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 25, 2022
    Inventors: Mao Yang, Zhongjiang Yan, Yifan Zhou, Yunbo Li, Guogang Huang
  • Publication number: 20220141629
    Abstract: A method includes: when data of a first service needs to be sent to a receive end, sending m indication frames to the receive end if a type of the first service is a target service type; receiving n trigger frames sent by the receive end based on the m indication frames; and each time one trigger frame is received, sending the data of the first service to the receive end by using a transmission resource indicated by the trigger frame.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 5, 2022
    Inventors: Yifan Zhou, Yuchen Guo, Peter Loc
  • Publication number: 20220141785
    Abstract: Embodiments of this disclosure disclose a multi-link communication method and a related apparatus. In a scenario in which simultaneous transmission and reception over a plurality of links is not supported, a multi-link device first sends a first physical layer protocol data unit (PPDU) over a first link, and then sends a second PPDU over a second link through channel contention, where an end time of the second PPDU is not later than an end time of the first PPDU. The method not only ensures fairness of multi-link access, but also can reduce an idle rate of the plurality of links.
    Type: Application
    Filed: January 12, 2022
    Publication date: May 5, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ming Gan, Yifan Zhou, Dandan Liang, Guogang Huang, Xun Yang
  • Publication number: 20200294413
    Abstract: Embodiments of methods, systems, and computer-readable media for coupling two or more simulators to simulate a coupled multi-physics model of a subsurface formation are provided. A coupling framework loads one or more simulators as shared libraries into a common process and a common memory space with a first simulator to create the coupled multi-physics model of the subsurface formation. During simulation, the coupling framework controls data exchange between the first simulator and the other simulator(s) through the common memory space and controls execution of the first simulator and the other simulator(s) responsive to the common process. In the event of two-way coupling, the coupling framework can receive feedback from the other simulator(s) and alter execution of the first simulator. In the event of grid misalignment, the coupling framework can map data between the first simulator and the other simulator(s) such as in a globally conservative (e.g., mass, energy, etc.) manner.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Bin WANG, Yifan ZHOU, Kon-Ming Gary LI, Baris GUYAGULER
  • Publication number: 20160267290
    Abstract: An information viewing method, relative device, system, and storage medium are provided. The method includes: sending, by a first server, an interactive message comprising a searching instruction to a second server when receiving the searching instruction sent by a client; searching for, by the second server, corresponding target information according to a configured searching permission corresponding to the user information in the searching instruction, generating a searching link address associated with a storage address of the target information and sending the generated searching link address to the first server; returning, by the first server, the searching link address to the client; and presenting, by the second server, the corresponding target information when receiving a viewing request.
    Type: Application
    Filed: May 23, 2016
    Publication date: September 15, 2016
    Inventors: XIANG GAN, YIFAN ZHOU, XIAORONG SHI
  • Publication number: 20150334000
    Abstract: When updated routing information is advertised, attributes of the updated routing information are advertised in a first UPDATE message and prefixes of the updated routing information are advertised in a second UPDATE message.
    Type: Application
    Filed: January 10, 2014
    Publication date: November 19, 2015
    Applicant: Hangzhou H3C Technologies Co., Ltd.
    Inventors: Haifeng ZHANG, Yifan ZHOU
  • Patent number: 8855986
    Abstract: A method, system and computer program product is disclosed for utilizing proxy models to evaluate a subterranean reservoir. The method includes constructing a proxy model from a set of sampling points to approximate simulation outputs of a reservoir model. The set of sampling points is updated by adding at least one new sampling point that is selected from a location associated with surface non-linearities such as gradients, curvature, and bending energy. Response surface values at new sampling points and distances to existing sampling points can also be used to evaluate new sampling points. Proxy models are refined with the updated set of sampling points until the proxy model satisfies a predetermined stopping criterion, such as when a predetermined number of iterations are reached or when changes to the response surface are below a predetermined threshold.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: October 7, 2014
    Assignee: Chevron U.S.A. Inc.
    Inventors: Alexandre Castellini, Herve Gross, Yifan Zhou, Jincong He, Wen Hsiung Chen
  • Publication number: 20120059641
    Abstract: A method, system and computer program product is disclosed for utilizing proxy models to evaluate a subterranean reservoir. The method includes constructing a proxy model from a set of sampling points to approximate simulation outputs of a reservoir model. The set of sampling points is updated by adding at least one new sampling point that is selected from a location associated with surface non-linearities such as gradients, curvature, and bending energy. Response surface values at new sampling points and distances to existing sampling points can also be used to evaluate new sampling points. Proxy models are refined with the updated set of sampling points until the proxy model satisfies a predetermined stopping criterion, such as when a predetermined number of iterations are reached or when changes to the response surface are below a predetermined threshold.
    Type: Application
    Filed: September 1, 2011
    Publication date: March 8, 2012
    Applicant: Chevron U.S.A. Inc.
    Inventors: Alexandre Castellini, Herve Gross, Yifan Zhou, Jincong He, Wen Hsiung Chen
  • Publication number: 20070194743
    Abstract: A method and apparatus for improving the speed measurement quality in systems having multi-pole machines is taught. The method compensates for pole misalignment by moving average techniques.
    Type: Application
    Filed: January 29, 2007
    Publication date: August 23, 2007
    Inventors: Kerry Grand, Richard Hampo, Yifan Zhou