Patents by Inventor Zhigui Yuan

Zhigui Yuan 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).

  • Patent number: 9113365
    Abstract: The present disclosure discloses a method and an apparatus for offloading Internet data in an access network, which are used for solving the technical problems that in a Network Address Translation (NAT) offloading networking solution, the information obtained in a monitor mode is incomplete, offloading characteristics for distinguishing users cannot be provided and offloading strategies are separated from Quality of Service (QoS) strategies of a core network. The solution of the present disclosure includes: an offloading device judges whether a Radio Access Bearer (RAB) data flow needs offloading according to a specific value of a specific parameter in an RAB message; if the offloading is needed, NAT is performed and then the offloaded data is transmitted to the Internet; and if the offloading is not needed, the RAB data flow is transparently transmitted to the core network.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: August 18, 2015
    Assignee: ZTE CORPORATION
    Inventors: Delong Tang, Zhigui Yuan
  • Publication number: 20120307736
    Abstract: The present disclosure discloses a method and an apparatus for offloading Internet data in an access network, which are used for solving the technical problems that in a Network Address Translation (NAT) offloading networking solution, the information obtained in a monitor mode is incomplete, offloading characteristics for distinguishing users cannot be provided and offloading strategies are separated from Quality of Service (QoS) strategies of a core network. The solution of the present disclosure includes: an offloading device judges whether a Radio Access Bearer (RAB) data flow needs offloading according to a specific value of a specific parameter in an RAB message; if the offloading is needed, NAT is performed and then the offloaded data is transmitted to the Internet; and if the offloading is not needed, the RAB data flow is transparently transmitted to the core network.
    Type: Application
    Filed: April 22, 2011
    Publication date: December 6, 2012
    Applicant: ZTE Corporation
    Inventors: Delong Tang, Zhigui Yuan