Patents by Inventor Xuegang Ou

Xuegang Ou 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).

  • Grooming method and device for packet optical transport network
    Patent number: 9820020
    Abstract: A grooming method and apparatus for a packet optical transport network are disclosed. The method includes: according to an arrangement order of various services, planning a path from a service source node to a service target node in an ith service in a topology set graph; when the path includes a wavelength link in a physical link, removing the wavelength link, and establishing a virtual link between a link source node and a link target node of the removed wavelength link; updating capacities of various links in the path; calculating a weight of a newly established virtual link, and adding the newly established virtual link and the corresponding weight to the topology set graph; and planning a path from a service source node to a service target node in an i+1th service in the topology set graph, until all services are finished.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: November 14, 2017
    Assignee: Xi'an Zhongxing New Software Co., Ltd.
    Inventors: Xuegang Ou, Xin Si, Jie Chen, Hongbin Yu, Wei Luo, Xingming Li
  • GROOMING METHOD AND DEVICE FOR PACKET OPTICAL TRANSPORT NETWORK
    Publication number: 20160249118
    Abstract: A grooming method and apparatus for a packet optical transport network are disclosed. The method includes: according to an arrangement order of various services, planning a path from a service source node to a service target node in an ith service in a topology set graph; when the path includes a wavelength link in a physical link, removing the wavelength link, and establishing a virtual link between a link source node and a link target node of the removed wavelength link; updating capacities of various links in the path; calculating a weight of a newly established virtual link, and adding the newly established virtual link and the corresponding weight to the topology set graph; and planning a path from a service source node to a service target node in an i+1th service in the topology set graph, until all services are finished.
    Type: Application
    Filed: April 16, 2014
    Publication date: August 25, 2016
    Inventors: Xuegang Ou, Xin Si, Jie Chen, Hongbin Yu, Wei Luo, Xingming Li