Patents by Inventor Heifeng Li

Heifeng Li 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).

  • Hybrid Optical Add-Drop Multiplexing Network and Wavelength Allocation for the Same
    Publication number: 20110026925
    Abstract: An optical add-drop network and wavelength allocation for the same wherein the system bandwidth is separated into a dedicated channel band and re-used channel bands, separated by guard bands, to allocate terminal connections to achieve a minimum number of re-used channel bands for the desired terminal connectivities.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 3, 2011
    Applicant: TYCO ELECTRONICS SUBSEA COMMUNICATIONS LLC
    Inventors: Ruomei Mu, Ekaterina A. Golovchenko, Heifeng Li, Muhammad Haris