Patents by Inventor Kachung Wong

Kachung Wong 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).

  • Method and apparatus for DSL back-channel communication
    Patent number: 8917747
    Abstract: DSL backchannel data and/or information is transported upstream in a vectored, bonded line DSL system. Backchannel data (e.g., error samples or the like from downstream-end DSL equipment) is encapsulated/packetized using Layer 2 encapsulation. Upstream user data is packetized into Ethernet packets or the like. The backchannel data and upstream user data are combined and the combined data transmitted to an upstream-end DSL apparatus, such as an access node. The combined data are separated in the upstream-end DSL apparatus so that the upstream user data can be processed further. The Layer 2 encapsulated backchannel data is decapsulated and then routed to a vectoring control entity or the like for use in operating the DSL system, for example in mitigating FEXT crosstalk in the DSL system's operation.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: December 23, 2014
    Assignee: Ikanos Communications, Inc.
    Inventors: Massimo Sorbara, William J. Santulli, Clark B. Woodworth, Kachung Wong, Kevin D. Fisher
  • Method and Apparatus for DSL Back-Channel Communication
    Publication number: 20130148796
    Abstract: DSL backchannel data and/or information is transported upstream in a vectored, bonded line DSL system. Backchannel data (e.g., error samples or the like from downstream-end DSL equipment) is encapsulated/packetized using Layer 2 encapsulation. Upstream user data is packetized into Ethernet packets or the like. The backchannel data and upstream user data are combined and the combined data transmitted to an upstream-end DSL apparatus, such as an access node. The combined data are separated in the upstream-end DSL apparatus so that the upstream user data can be processed further. The Layer 2 encapsulated backchannel data is decapsulated and then routed to a vectoring control entity or the like for use in operating the DSL system, for example in mitigating FEXT crosstalk in the DSL system's operation.
    Type: Application
    Filed: June 11, 2012
    Publication date: June 13, 2013
    Applicant: Ikanos Communications, Inc.
    Inventors: Massimo Sorbara, William J. Santulli, Clark B. Woodworth, Kachung Wong, Kevin D. Fisher