Patents by Inventor Huizhao Wang

Huizhao Wang 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: 20070123259
    Abstract: A method for providing a handoff in a network environment is provided that includes a mobile station operable to conduct a call. The mobile station is further operable to initiate a call leg autonomously such that a generic transfer function is invoked. The mobile station leverages the generic transfer function in order to execute a handoff for the mobile station.
    Type: Application
    Filed: November 29, 2005
    Publication date: May 31, 2007
    Inventors: Wenfeng Huang, Michael Chen, Huizhao Wang, Xiaode Xu
  • Publication number: 20060153151
    Abstract: A method, an apparatus, and code in a carrier medium to operate in a first access point of a wireless network in communication with at least one associated client station. The method includes wirelessly broadcasting a management frame including an indication that the first access point will stop being active, such that each associated client station can wirelessly roam to a second access point prior to the first access point ceasing being active. One embodiment further includes reducing the transmit power of wireless communication used to wirelessly transmit information to the associated client stations, such that each associated client station can eventually wirelessly roam to the second access point.
    Type: Application
    Filed: January 12, 2005
    Publication date: July 13, 2006
    Inventors: Wenfeng Huang, Huizhao Wang, Xiaode Xu, Arnold Bilstad
  • Publication number: 20060007878
    Abstract: An apparatus and method for switching a mobile processing device from communicating over a wireless connection with a first base unit to a second base unit based upon latency. In accordance with this invention, the mobile processing device determines latency information for packets being transmitted over the wireless connection to and from a base unit. The latency information is compared to a threshold value. If the latency information is greater than the threshold value, the mobile processing device adjusts parameters of the wireless connection between the mobile processing device and the network.
    Type: Application
    Filed: July 9, 2004
    Publication date: January 12, 2006
    Inventors: Xiaode Xu, David Stephenson, Wenfeng Huang, Huizhao Wang, Arnold Bilstad
  • Publication number: 20040114559
    Abstract: Methods and apparatus for ascertaining configuration information for a node are disclosed. A first access point sends an inter-proxy request message to one or more additional access points, the inter-proxy request message identifying the node and indicating that IP configuration information for the node is requested. The first access point then receives an inter-proxy reply message from a second one of the additional access points, the inter-proxy reply message including the IP configuration information, thereby enabling the first access point to send a registration request on behalf of the node using the IP configuration information. In this manner, the Access Points support mobility for a node that does not support Mobile IP.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 17, 2004
    Applicant: Cisco Technology, Inc.
    Inventor: Huizhao Wang