Patents by Inventor Chao E. Zhang

Chao E. Zhang 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).

  • Handing off a terminal among wireless access points
    Patent number: 9955400
    Abstract: A method and system for handing off a terminal among a plurality of wireless access points (APs) connected to a central management AP. The method comprising: receiving network condition information of a terminal communicatively connected to a first wireless AP among the plurality of wireless APs. Determining a second wireless AP the plurality of wireless APs to which the terminal is to be handed off based on the network condition information of the terminal. The second wireless AP is virtually connected to the terminal. Submitting a handoff request to the second wireless AP. Notifying the terminal to hand off to the second wireless AP in response to receiving a handoff response from the second wireless AP.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 24, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jianbin Tang, Feng J. Wang, Yu Wang, Jun Chi Yan, Chao E. Zhang, Qian Kun Zhao
  • HANDING OFF A TERMINAL AMONG WIRELESS ACCESS POINTS
    Publication number: 20170006516
    Abstract: A method and system for handing off a terminal among a plurality of wireless access points (APs) connected to a central management AP. The method comprising: receiving network condition information of a terminal communicatively connected to a first wireless AP among the plurality of wireless APs. Determining a second wireless AP the plurality of wireless APs to which the terminal is to be handed off based on the network condition information of the terminal. The second wireless AP is virtually connected to the terminal. Submitting a handoff request to the second wireless AP. Notifying the terminal to hand off to the second wireless AP in response to receiving a handoff response from the second wireless AP.
    Type: Application
    Filed: September 1, 2016
    Publication date: January 5, 2017
    Inventors: Jianbin Tang, Feng J. Wang, Yu Wang, Jun Chi Yan, Chao E. Zhang, Qian Kun Zhao
  • Handing off a terminal among wireless access points
    Patent number: 9532285
    Abstract: A method and system for handing off a terminal among a plurality of wireless access points (APs) connected to a central management AP. The method comprising: receiving network condition information of a terminal communicatively connected to a first wireless AP among the plurality of wireless APs. Determining a second wireless AP the plurality of wireless APs to which the terminal is to be handed off based on the network condition information of the terminal. The second wireless AP is virtually connected to the terminal. Submitting a handoff request to the second wireless AP. Notifying the terminal to hand off to the second wireless AP in response to receiving a handoff response from the second wireless AP.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: December 27, 2016
    Assignee: International Business Machines Corporation
    Inventors: Jianbin Tang, Feng J. Wang, Yu Wang, Jun Chi Yan, Chao E. Zhang, Qian Kun Zhao
  • HANDING OFF A TERMINAL AMONG WIRELESS ACCESS POINTS
    Publication number: 20150117414
    Abstract: A method and system for handing off a terminal among a plurality of wireless access points (APs) connected to a central management AP. The method comprising: receiving network condition information of a terminal communicatively connected to a first wireless AP among the plurality of wireless APs. Determining a second wireless AP the plurality of wireless APs to which the terminal is to be handed off based on the network condition information of the terminal. The second wireless AP is virtually connected to the terminal. Submitting a handoff request to the second wireless AP. Notifying the terminal to hand off to the second wireless AP in response to receiving a handoff response from the second wireless AP.
    Type: Application
    Filed: October 27, 2014
    Publication date: April 30, 2015
    Inventors: Jianbin Tang, Feng J. Wang, Yu Wang, Jun Chi Yan, Chao E. Zhang, Qian Kun Zhao