Patents by Inventor Yifan ZHU
Yifan ZHU 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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Publication number: 20200008167Abstract: Apparatuses, systems, and methods for a wireless device to perform methods for de-registration of the wireless device from a first access type over a second access type. Methods also include procedures for maintaining state machines associated with both access types as well as procedures to determine a connection for re-transmitting a de-registration request and to avoid collisions between procedures associated with the first and second access types. Further, methods include an information element configured to indicate which access type has been de-registered.Type: ApplicationFiled: June 4, 2019Publication date: January 2, 2020Inventors: Vijay Venkataraman, Krisztian Kiss, Lakshmi N. Kavuri, Sang Ho Baek, Shivani Suresh Babu, Utkarsh Kumar, Viswanath Nagarajan, Yifan Zhu, Hariharan Sukumar
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Patent number: 10517105Abstract: A device is configured to establish a first roaming network connection to a first roaming network and a second roaming network connection to a second roaming network. The first roaming network has a higher priority than the second roaming network, the second roaming network configured to support a first radio access technology (RAT) and a second RAT, the first RAT having a higher priority than the second RAT. When a current network connection is the second roaming network connection, determining a current RAT used for the second roaming network connection. When the current RAT is the first RAT, determining between an active use state and a non-active use state. When the device is in the active use state, deactivating a capability to reselect to the first roaming network.Type: GrantFiled: September 19, 2018Date of Patent: December 24, 2019Assignee: Apple Inc.Inventors: Alosious Pradeep Prabhakar, Vijay Venkataraman, Yifan Zhu, Alistair M. McFarlane, Ruben Caballero
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Publication number: 20190385751Abstract: The present invention provides a disease condition information research method and system. The system includes: an information collection module, configured to collect clinical manifestation information in different forms; an information analysis module, configured to establish logical association among the cause-pathophysiology-clinical manifestation information by using the information collected by the information collection module according to the objective laws of medical knowledge so as to form a disease condition information analysis model; and a result display module, configured to display pathophysiological and anatomical location lesion information after the information analysis module performs disease condition analysis. The present invention can help the medical students to more deeply understand the teaching contents of physiology, anatomy, pathology, pathophysiology, clinical diagnostics, surgery and internal medicine, thus improving the teaching quality.Type: ApplicationFiled: August 31, 2018Publication date: December 19, 2019Inventor: Yifan ZHU
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Publication number: 20190357019Abstract: This disclosure relates to techniques for managing mobile-terminating short message service re-transmissions for wireless devices. A cellular network entity of a cellular network may receive a request to provide a short message service message to a wireless device. The wireless device may be registered with the cellular network entity via at least two access types. An attempt to provide the short message service message to the wireless device via a first access type may be performed. An attempt to provide the short message service message to the wireless device via a second access type may be performed if the attempt to provide the short message service message to the wireless device via the first access type is unsuccessful.Type: ApplicationFiled: May 6, 2019Publication date: November 21, 2019Inventors: Yifan Zhu, Utkarsh Kumar, Lakshmi N. Kavuri, Shivani Suresh Babu, Hariharan Sukumar, Krisztian Kiss
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Publication number: 20190349411Abstract: A method for processing a message in a group session of a social networking application is performed at a computer device. The method includes: receiving a session message in a group session; extracting a child application identifier carried in the session message; determining a session identifier corresponding to the group session to which the session message belongs; obtaining page data that corresponds to the child application identifier and that is associated with the session identifier; and rendering, according to the page data, a child application page in a child application that is invoked in an environment provided by the social networking application and that corresponds to the child application identifier.Type: ApplicationFiled: July 29, 2019Publication date: November 14, 2019Inventors: Weibang LUO, Jisheng Huang, Haojun Hu, Qingjie Lin, Wenxiao Zheng, Yi Duan, Zhaowei Wang, Chao Lin, Canhui Huang, Hao Hu, Zhe Cheng, Yu Wu, Xuyu Gui, Zhaopeng Liang, Yifan Zhu, Yuyang Peng, Kunli Deng
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Publication number: 20190349849Abstract: This disclosure relates to techniques for selecting an access for transmitting messages on a 5G network. An access may be selected based on determined conditions in relation to one or more network policies and a message may be transmitted on the selected access.Type: ApplicationFiled: May 7, 2019Publication date: November 14, 2019Inventors: Lakshmi N. Kavuri, Krisztian Kiss, Yifan Zhu, Viswanath Nagarajan, Shivani Suresh Babu, Utkarsh Kumar, Srinivasan Nimmala, Hariharan Sukumar
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Publication number: 20190306823Abstract: This disclosure relates to techniques for network delaying cellular re-registration during critical conditions. A wireless device may register for cellular service with a cellular network. The wireless device may receive a configuration update command from a network element of the cellular network. The configuration update command may request re-registration of the wireless device. The wireless device may determine to delay responding to the configuration update command based at least in part on one or more conditions in effect at the wireless device. For example, one possible such condition may include if a protocol data unit session associated with emergency services is active at the wireless device.Type: ApplicationFiled: November 6, 2018Publication date: October 3, 2019Inventors: Shivani Suresh Babu, Krisztian Kiss, Lakshmi N. Kavuri, Srinivasan Nimmala, Yifan Zhu
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Publication number: 20190230561Abstract: Apparatuses, systems, and methods for user equipment (UE) devices to perform more efficient frequency scans for potential base stations. According to techniques described herein, the UE may determine that it does not have cellular service and determine first information based on a last camped cell. A time period during which the first information was acquired may be determined and one or more frequency scans may be performed. The frequency scans may be limited to a set of frequencies based in part on the time period. Thus, if the time period is less than a first value, the set of frequencies may include a first set of frequencies and if the time period is greater than the first value but less than a second value, the set of frequencies may include the first set of frequencies and a second set of frequencies.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: Jianxiong Shi, Lakshmi N. Kavuri, Madhusudan Chaudhary, Thanigaivelu Elangovan, Viswanath Nagarajan, Yifan Zhu
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Publication number: 20190130892Abstract: An ultra-thin Schroeder diffuser comprises a backing-plate, wherein the backing-plate is provided with 7×p rows and 7×q columns of unit cells, p and q are integers greater than or equal to 1, a side length of the unit cell is 0.48?, a depth of the square unit cell is 0.04?, the unit cell is provided with a square neck, a side length of the square neck is less than the side length of the unit cell, a depth of the neck is 0.01?, ? is a wavelength of the diffuser corresponding to the design at a center frequency center f0, the neck widths w of different unit cells are different, and a distribution of the widths satisfies a certain sequence.Type: ApplicationFiled: June 15, 2017Publication date: May 2, 2019Applicant: Nanjing UniversityInventors: Bin LIANG, Yifan ZHU, Xinye ZOU, Jing YANG, Xudong FAN, Jianchun CHENG
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Publication number: 20190132725Abstract: A method performed by a user equipment (UE) connected to a first home cell of a home public land mobile network (HPLMN). The method includes determining a type of the first home cell, when the type is a first type, determining a first quality of the connection to the first home cell, in response to the first quality not satisfying a first predetermined threshold or a determination that the type is a second type, disconnecting from the HPLMN, connecting to a first visited cell of a visited public land mobile network (VPLMN), determining a second quality of the connection to the first visited cell and when the second quality of the connection to the first visited cell is above a second predetermined threshold, performing a data exchange via the first visited cell.Type: ApplicationFiled: June 6, 2018Publication date: May 2, 2019Inventors: Sriram Venkataramanan, Lakshmi N. Kavuri, Vijay Venkataraman, Sai Kiran Gummuluri, Yifan Zhu
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Patent number: 10251095Abstract: Apparatuses, systems, and methods for user equipment (UE) devices to perform more efficient frequency scans for potential base stations. According to techniques described herein, the UE may determine that it does not have cellular service and determine first information based on a last camped cell. A time period during which the first information was acquired may be determined and one or more frequency scans may be performed. The frequency scans may be limited to a set of frequencies based in part on the time period. Thus, if the time period is less than a first value, the set of frequencies may include a first set of frequencies and if the time period is greater than the first value but less than a second value, the set of frequencies may include the first set of frequencies and a second set of frequencies.Type: GrantFiled: May 9, 2017Date of Patent: April 2, 2019Assignee: Apple Inc.Inventors: Jianxiong Shi, Lakshmi N. Kavuri, Madhusudan Chaudhary, Thanigaivelu Elangovan, Viswanath Nagarajan, Yifan Zhu
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Patent number: 10229165Abstract: A method for presenting tasks is provided. The method includes: acquiring an active index of each of tasks which are currently in operation in a terminal; ranking the tasks based on the active indices; and presenting the tasks according to a result of the ranking, wherein the active index is a frequency of the task being operated in the terminal.Type: GrantFiled: July 13, 2016Date of Patent: March 12, 2019Assignee: Xiaomi Inc.Inventors: Yifan Zhu, Lina Xu, Wankun Yang
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Publication number: 20180351659Abstract: Methods, systems and apparatus for a user equipment to mitigate interference in a wireless charging state. The user equipment may determine when the user equipment enters a wireless charging state and, when the user equipment enters the wireless charging state, activate an interference mitigation. The user equipment may further determine when the UE exits the wireless charging state and, when the user equipment exits the wireless charging state, deactivate the interference mitigation.Type: ApplicationFiled: June 2, 2017Publication date: December 6, 2018Inventors: Srinivasan Nimmala, Sethuraman Gurumoorthy, Vijay Venkataraman, Vijay Kumar Ramamurthi, Srirang A. Lovlekar, Lakshmi N. Kavuri, Sang Ho Baek, Yifan Zhu, Karthik Anantharaman, Rangakrishna Nallandigal, Sree Ram Kodali, Adesh Kumar, Xin Wang, Eyad Al-Shemali, Xiangpeng Jing, Sivaramachandran Ganesan, Longda Xing, Jianxiong Shi, Sami M. Almalfouh, Zhu Ji, Johnson O. Sebeni, Beibei Wang, Sunny Arora
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Patent number: 10045287Abstract: Apparatuses, systems, and methods for user equipment (UE) devices to perform more efficient frequency scans for potential base stations. According to techniques described herein, the UE may, in response to detecting that UE does not have cellular service, perform a full band scan to search for a last registered public land mobile network (PLMN) and the full band scan may discover one or more cells not associated with the last registered PLMN. The UE may populate a database with one or more parameters associated with the one or more cells and in response to not finding the last registered PLMN, perform a targeted scan limited to a set of PLMNs found during the full band scan. In some embodiments, each PLMN in the set of PLMNs may be comprised in a roaming PLMN list for an operator.Type: GrantFiled: May 11, 2017Date of Patent: August 7, 2018Assignee: Apple Inc.Inventors: Lakshmi N. Kavuri, Jianxiong Shi, Srinivasan Nimmala, Viswanath Nagarajan, Yifan Zhu
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Patent number: 10019604Abstract: A method and an apparatus of verifying a terminal are provided in the field of computer technology. In the method, the terminal establishes a secure channel with a server through a secure element in the terminal. The terminal sends original terminal hardware parameters in the secure element to the server through the secure channel by using the secure element, where the server is configured to feed back identification information according to the terminal hardware parameters. The terminal then determines a verification result of an authenticity of the terminal according to the identification information fed back by the server. The apparatus includes: a channel establishing module, a parameter sending module and a result determining module.Type: GrantFiled: August 31, 2015Date of Patent: July 10, 2018Assignee: Xiaomi Inc.Inventors: Feng Hong, Junqi Lin, Yifan Zhu
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Publication number: 20180084401Abstract: A method performed by a station that includes receiving information from a cell of a Public Land Mobile Network (PLMN), determining whether the information indicates the cell supports circuit switched fallback (CSFB) voice calls, when the CSFB voice calls are not supported, determining whether at least one packet switched voice property of the station satisfies a predetermined condition and attaching to the cell of the PLMN when the predetermined condition is satisfied. A further method performed by a station connected to a PLMN that includes identifying cells of the PLMN available for the station to camp on, determining whether the station is capable of executing packet switched calls, when the station is not capable of executing packet switched calls, determining whether the identified cells have a neighbor cell that supports CSFB voice calls and prioritizing the cells that are identified as having neighbor cells that support CSFB voice calls.Type: ApplicationFiled: May 11, 2017Publication date: March 22, 2018Inventors: Gahima S. MBONYE, Vijay VENKATARAMAN, Srinivasan NIMMALA, Thanigaivelu ELANGOVAN, Abdul-Munem Al-KHUDAIRI, Anish K. GOYAL, Rafael L. RIVERA-BARRETO, Yifan ZHU, Ryan BOOTH, Lakshmi KAVURI, Venkateswara Rao MANEPALLI
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Patent number: 9916816Abstract: A method for presenting information includes: receiving a notification message when a display screen is in a screen-off state; and presenting the notification message on the display screen with darkening a selected object, when the display screen is switched into a screen-on state from the screen-off state. Herein the selected object comprises all or partial content displayed on the display screen except the notification message. Accordingly, the selected object can be darkened and hidden on the display screen while the notification message can be highlighted.Type: GrantFiled: March 15, 2016Date of Patent: March 13, 2018Assignee: XIAOMI INC.Inventors: Yifan Zhu, Wankun Yang, Yinli Chen
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Publication number: 20180063751Abstract: Apparatuses, systems, and methods for user equipment (UE) devices to perform more efficient frequency scans for potential base stations. According to techniques described herein, the UE may determine that it does not have cellular service and determine first information based on a last camped cell. A time period during which the first information was acquired may be determined and one or more frequency scans may be performed. The frequency scans may be limited to a set of frequencies based in part on the time period. Thus, if the time period is less than a first value, the set of frequencies may include a first set of frequencies and if the time period is greater than the first value but less than a second value, the set of frequencies may include the first set of frequencies and a second set of frequencies.Type: ApplicationFiled: May 9, 2017Publication date: March 1, 2018Inventors: Jianxiong Shi, Lakshmi N. Kavuri, Madhusudan Chaudhary, Thanigaivelu Elangovan, Viswanath Nagarajan, Yifan Zhu
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Publication number: 20170372298Abstract: The present disclosure relates to a method, an apparatus and a non-transitory computer-readable storage medium for activating a virtual card. The method includes: displaying an interface for selecting a virtual card to be activated upon receiving an instruction, where the interface for selecting the virtual card to be activated is configured to display at least two types of virtual cards in one or more pre-determined formats; determining a target virtual card where the target virtual card is the virtual card selected in the interface for selecting the virtual card to be activated; acquiring information to be authenticated when the target virtual card requires authentication, and activating the target virtual card when the authentication is passed; and directly activating the target virtual card when the target virtual card does not require the authentication.Type: ApplicationFiled: June 20, 2017Publication date: December 28, 2017Applicant: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Yifan ZHU, Yang CHEN, Wankun YANG
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Publication number: 20170372295Abstract: Method and apparatus for card activation are provided, which belong to computer technology. The method is applied to an intelligent device having a secure element (SE) chip and includes: creating a first background thread during pre-activation operations using a user interface (UI) thread; obtaining a first part of data for the card activation from a server using the first background thread; writing the first part of data to the SE chip using the first background thread; creating a second background thread after the pre-activation operations have been accomplished using the UI thread and the card activation is confirmed; and writing a second part of data for the card activation to the SE chip using the second background thread.Type: ApplicationFiled: June 6, 2017Publication date: December 28, 2017Inventors: Yifan ZHU, Yang CHEN, Lina XU