Patents by Inventor Wantao Yu

Wantao Yu 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: 20220174580
    Abstract: A system and method of registration with AMF re-allocation. The system and method includes receiving, by an initial AMF from a wireless communication device via a RAN, a registration request comprising a first device identifier associated with the wireless communication device. The system and method includes determining, by the initial AMF, an identifier type associated with the first device identifier. The system and method includes generating, by the initial AMF, a reroute message comprising a second device identifier. The system and method includes originating, by the initial AMF to the wireless communication device, a security mode command message comprising a redirection criteria or an integrity negotiation algorithm, the security mode command message causes the wireless communication device to set the redirection criteria allowing the wireless communication device to accept a request message that is not integrity protected and return a security mode complete message to the initial AMF.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Shilin YOU, Jiyan CAI, Jin PENG, Jinguo ZHU, Shuang LIANG, Fei LU, Wantao YU, Zhaoji LIN
  • Publication number: 20220124493
    Abstract: Provided are a method and device for reporting a capacity, a method and device for key agreement, a terminal and a communication device and system. The terminal sends anti-pseudo base station capacity indication information to the communication device, and the anti-pseudo base station capacity indication information can indicate an anti-pseudo base station capacity of the terminal to the communication device. The communication device can determine the anti-pseudo base station capacity of the terminal after acquiring the anti-pseudo base station capacity indication information sent by the terminal, and perform an authentication and key agreement process matching the anti-pseudo base station capacity of the terminal and an anti-pseudo base station capacity of a target base station.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 21, 2022
    Inventors: Wantao YU, ZhenHua XIE, Jin PENG, Shilin YOU
  • Publication number: 20220124092
    Abstract: Provided are an authentication processing method and device, a storage medium, and an electronic device. The method includes that: a terminal receives an authentication request message from an authentication function; and in cases where authentication on the authentication request message fails, the terminal feeds back an authentication failure message to the authentication function. In cases where the cause of the authentication failure is a Message Authentication Code (MAC) failure and in cases where a cause of authentication failure is a Synchronization (Sync) failure, the terminal feeds back authentication failure messages of the same type to the authentication function.
    Type: Application
    Filed: January 19, 2020
    Publication date: April 21, 2022
    Inventors: Jin PENG, Shilin YOU, Zhenhua XIE, Wantao YU, Zhaoji LIN, Yongqing QIU
  • Publication number: 20220124105
    Abstract: An anti-pseudo base station method and apparatus, and a computer-readable storage medium are provided. The anti-pseudo base station method includes: sending, by a base station, first anti-pseudo base station capacity information to a mobile terminal, wherein the first anti-pseudo base station capacity information is used for identifying an anti-pseudo base station capacity of the base station.
    Type: Application
    Filed: October 21, 2019
    Publication date: April 21, 2022
    Inventors: Wantao YU, Zhenhua XIE, Jin PENG, Shilin YOU
  • Publication number: 20220104012
    Abstract: Provided are an authentication processing method and device, a storage medium and an electronic device, the method includes: a terminal receives a first authentication request message from a network side; the terminal determines whether the number of times of receiving the first authentication request message is greater than a predetermined threshold; and when the number of times is greater than the predetermined threshold, the terminal stops responding to the first authentication request message.
    Type: Application
    Filed: January 19, 2020
    Publication date: March 31, 2022
    Inventors: Jin PENG, Shilin YOU, Zhenhua XIE, Wantao YU, Zhaoji LIN, Wei CAO
  • Publication number: 20220007277
    Abstract: A method for attaching user equipment, UE, with a network slice supported by one or more network entities is described herein. A user parameter and subscriber-related information identifying the UE are sent from the UE to at least one of the one or more network entities. A network parameter is sent to the UE. A temporary network slice identifier is generated at (i) the UE and at (ii) at least one of the one or more network entities for use in attaching the UE to the network slice. The temporary network slice identifier is generated based on (a) the user parameter, (b) the network parameter, and (c) subscriber-related information. The temporary network slice identifier generated at the UE may be identical to the temporary network slice identifier generated at the at least one network entity.
    Type: Application
    Filed: November 6, 2018
    Publication date: January 6, 2022
    Applicant: ZTE CORPORATION
    Inventor: Wantao YU
  • Publication number: 20210345116
    Abstract: Methods, systems, and devices related to related to digital wireless communication, and more specifically, to techniques related to securing a user authentication procedure. In one exemplary aspect, a method for wireless communication includes transmitting an authentication message from a network node. The method also includes determining a failure value indicating a reason for failure of the authentication message. The method also includes encrypting the failure value and an identifier. The method also includes transmitting an encrypted response message to the network node. In another exemplary aspect, a method for wireless communication includes transmitting an authentication message to a terminal. The method also includes receiving an encrypted response message from the terminal. The method also includes decrypting the encrypted response message to determine the failure value and the indicator.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Inventors: Shilin YOU, Zhenhua XIE, Jin PENG, Wantao YU, Zhaoji LIN
  • Publication number: 20210243600
    Abstract: The embodiments of the disclosure disclose a method, device and system for accessing a network slice. The method includes that: User Equipment (UE) sends, to a base station, request information for accessing a network slice, wherein the request information contains user identity information and temporary network slice identity information (SliceIDt); a user subscription data management entity receives the request information from the UE through the base station, determines authentication information of the UE according to the user identity information contained in the request information, searches for corresponding network slice identity information (SliceID) according to the SliceIDt and sends the authentication information to a security management entity of the network slice corresponding to the SliceID; and the security management entity performs access authentication with the UE according to the authentication information, and in case of successful authentication, the UE accesses the network slice.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 5, 2021
    Inventor: Wantao YU
  • Patent number: 10454909
    Abstract: Disclosed is a key negotiation method including that a network entity generates an MTC communication key between an MTC device or an MTC application and a network by utilizing a key distribution algorithm for MTC communication according to a root key for the MTC communication maintained by the network entity. The network entity generates an MTC group key by utilizing a key distribution algorithm for MTC group communication according to the root key. The network entity issues the generated MTC communication key and the generated MTC group key to the MTC device or the MTC application via a secure method so as to allow the MTC device or the MTC application to securely store the MTC communication key and the MTC group key. Also disclosed are a network entity, a key negotiation system and a computer storage medium.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: October 22, 2019
    Assignee: ZTE Corporation
    Inventor: Wantao Yu
  • Patent number: 10389695
    Abstract: Disclosed is a key negotiation method including that a network entity generates an MTC communication key between an MTC device or an MTC application and a network by utilizing a key distribution algorithm for MTC communication according to a root key for the MTC communication maintained by the network entity. The network entity generates an MTC group key by utilizing a key distribution algorithm for MTC group communication according to the root key. The network entity issues the generated MTC communication key and the generated MTC group key to the MTC device or the MTC application via a secure method so as to allow the MTC device or the MTC application to securely store the MTC communication key and the MTC group key. Also disclosed are a network entity, a key negotiation system and a computer storage medium.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: August 20, 2019
    Assignee: ZTE Corporation
    Inventor: Wantao Yu
  • Patent number: 10085229
    Abstract: The present disclosure discloses a method and system for triggering a Machine Type Communication MTC device. The method includes that: an MTC server sends a Bootstrapping Server Function entity BSF a request message including information on a GBA-PUSH Information GPI request and information on a triggering request; the BSF generates GPI and adds parametric information of a triggering instruction in the GPI according to the information on the triggering request through a GPI request processing flow, and sends the GPI including the parametric information of the triggering instruction to the MTC server; the MTC server sends the GPI including the parametric information of the triggering instruction to an MTC device to be triggered; and the MTC device is triggered according to the parametric information of the triggering instruction in the received GPI.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: September 25, 2018
    Assignee: ZTE Corporation
    Inventor: Wantao Yu
  • Publication number: 20180270236
    Abstract: Disclosed are a method for protecting a machine type communication device, a network entity, and a machine type communication (MTC) device service capability opening functional entity. The method comprises: after a network entity authenticates an external application, establish a security association between the external application and an MTC device according to a preset rule; and the network entity sends the security association between the external application and the MTC device to the corresponding MTC device, so as to determine, by means of the security association between the external application and the MTC device, the MTC device that can be accessed by the external application under authorization.
    Type: Application
    Filed: January 22, 2016
    Publication date: September 20, 2018
    Inventor: Wantao Yu
  • Publication number: 20170346798
    Abstract: Disclosed is a key negotiation method including that a network entity generates an MTC communication key between an MTC device or an MTC application and a network by utilizing a key distribution algorithm for MTC communication according to a root key for the MTC communication maintained by the network entity. The network entity generates an MTC group key by utilizing a key distribution algorithm for MTC group communication according to the root key. The network entity issues the generated MTC communication key and the generated MTC group key to the MTC device or the MTC application via a secure method so as to allow the MTC device or the MTC application to securely store the MTC communication key and the MTC group key. Also disclosed are a network entity, a key negotiation system and a computer storage medium.
    Type: Application
    Filed: July 1, 2015
    Publication date: November 30, 2017
    Inventor: Wantao Yu
  • Publication number: 20170318616
    Abstract: Disclosed is a method for managing a device-to-device (D2D) communication group. The method comprises: a network side device establishes a D2D communication group, and delivers a shared key generated for the D2D communication group to all the devices in the D2D communication group, the shared key being used for D2D communication of all the devices; and the network side device determines that the D2D communication group terminates the D2D communication, and deletes the D2D communication group and the shared key. Also disclosed are a device and a computer storage medium.
    Type: Application
    Filed: March 12, 2015
    Publication date: November 2, 2017
    Applicant: ZTE Corporation
    Inventor: Wantao Yu
  • Patent number: 9686683
    Abstract: Disclosed is a method for secure transmission of small data of a machine type communication (MTC) device group, comprising a process wherein an MTC device and an MTC-Interworking Function (MTC-IWF) generate a shared key KIWF on the basis of a GBA procedure, the MTC device and a bootstrapping server (BSF) performing AKA authentication: a home subscriber server (HSS) determines whether the MTC device belongs to the MTC device group and whether said device has small data transmission and reception capabilities; if said device belongs to said group and has said capabilities, an AKA authentication vector generated on the basis of the MTC device group key is sent to said BSF; the BSF carries out AKA authentication with the MTC device on the basis of the received AKA authentication vector. Also disclosed is a system for secure transmission of small data of an MTC device group.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: June 20, 2017
    Assignee: ZTE Corporation
    Inventor: Wantao Yu
  • Publication number: 20170127277
    Abstract: Disclosed in an embodiment of the present invention is a method of establishing a small data secure transmission connection for an MTC device group, comprising: after receiving authentication data request information, an HSS checks whether an MTC device belongs to the MTC device group, and generates authentication response data and a shared key between the MTC device and an MTC-IWF entity after determining that the MTC device belongs to the MTC device group; the authentication data request information is transmitted by an MME after receiving attachment request information transmitted by the MTC device; the HSS transmits to the MME the authentication response data and the auxiliary information used for generating a shared key, and transmits to the MTC-IWF entity the identifier information of the MTC device group and the shared key; the authentication response data is used to conduct mutual authentication on the MME and the MTC device, such that the MTC device generates a shared key between the MTC device and t
    Type: Application
    Filed: May 29, 2014
    Publication date: May 4, 2017
    Inventor: Wantao Yu
  • Publication number: 20170041782
    Abstract: Disclosed is a method for secure transmission of small data of a machine type communication (MTC) device group, comprising a process wherein an MTC device and an MTC-Interworking Function (MTC-IWF) generate a shared key KIWF on the basis of a GBA procedure, the MTC device and a bootstrapping server (BSF) performing AKA authentication: a home subscriber server (HSS) determines whether the MTC device belongs to the MTC device group and whether said device has small data transmission and reception capabilities; if said device belongs to said group and has said capabilities, an AKA authentication vector generated on the basis of the MTC device group key is sent to said BSF; the BSF carries out AKA authentication with the MTC device on the basis of the received AKA authentication vector. Also disclosed is a system for secure transmission of small data of an MTC device group.
    Type: Application
    Filed: April 18, 2014
    Publication date: February 9, 2017
    Applicant: ZTE Corporation
    Inventor: Wantao Yu
  • Patent number: 9509778
    Abstract: Provided is a SIP-based method for secure communication between MTC devices, including that an SIP server establishes a secure connection with a source MTC device and a secure connection with a target MTC device respectively through a GBA manner or a GBA-push manner, the SIP server generates an application layer session key, sends the application layer session key to the source MTC device through the secure connection between the SIP server and the source MTC device, and sends the application layer session key to the target MTC through the secure connection between the SIP server and the target MTC device. A SIP-based system and apparatus for secure communication between MTC devices are also provided. The establishment of a secure connection between MTC devices based on an SIP protocol can be implemented.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: November 29, 2016
    Assignee: ZTE CORPORATION
    Inventor: Wantao Yu
  • Publication number: 20160301673
    Abstract: A method for realizing secure communication between machine type communication devices and a network entity, the method includes: creating, by a network entity, an MTC device group for a directly-communicating MTC device, and saving MTC device group information corresponding to the MTC device group and MTC device information of an MTC devices contained in the MTC device group, herein the MTC device group information includes MTC device group identification information and MTC device group key information; and sending, by the network entity, the MTC device group information of the MTC device group, to which the MTC device belongs, to the MTC device.
    Type: Application
    Filed: May 5, 2014
    Publication date: October 13, 2016
    Inventor: Wantao YU
  • Patent number: 9380405
    Abstract: The disclosure discloses a method for triggering a Machine Type Communication (MTC) device, where an SGSN/MME receives a trigger from an MTC-IWF, and determines that the MTC device is in an unattached state and the MTC device is in a communication window of the MTC device; when the MTC device gets attached to the network before expiration of the communication window, the SGSN/MME sends the trigger to the MTC device; or when the MTC device fails to get attached to the network before expiration of the communication window, the SGSN/MME sends a trigger transmission report to the MTC-IWF, such that the MTC-IWF saves the trigger by sending the trigger to an SMS-SC, and forwards the trigger transmission report to an MTC server initiating the trigger. The disclosure further discloses a system for triggering an MTC device corresponding to the method. With the disclosure, an MTC device in an unattached state can be triggered.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: June 28, 2016
    Assignee: ZTE CORPORATION
    Inventors: Lanjian Cao, Wantao Yu