Patents by Inventor Nishan S. Weragama

Nishan S. Weragama 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).

  • Femtocell-based mesh network with optical interconnect for 4-G multimedia communications
    Patent number: 8948599
    Abstract: A network architecture for integrating a 4G wireless mesh network (WMN) with a 3-G network in order to effectively support multimedia communication is described. In one embodiment of the present invention, a wireless mesh network system comprises a plurality of routers each having a wireless optical interface; at least one base station having Internet backhaul and connecting to a wireless optical device; a computer media storing instructions for assigning at least one of the plurality of routers to act as an Internet gateway via said base station; wherein said assigned router and said base station communicating via a link between wireless optical interface of said assigned router and the wireless optical device connected to said base station, and said link is line-of-sight.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: February 3, 2015
    Inventors: Dharma P. Agrawal, Nishan S. Weragama, Hailong Li
  • FEMTOCELL-BASED MESH NETWORK WITH OPTICAL INTERCONNECT FOR 4-G MULTIMEDIA COMMUNICATIONS
    Publication number: 20120027409
    Abstract: A network architecture for integrating a 4G wireless mesh network (WMN) with a 3-G network in order to effectively support multimedia communication is described. In one embodiment of the present invention, a wireless mesh network system comprises a plurality of routers each having a wireless optical interface; at least one base station having Internet backhaul and connecting to a wireless optical device; a computer media storing instructions for assigning at least one of the plurality of routers to act as an Internet gateway via said base station; wherein said assigned router and said base station communicating via a link between wireless optical interface of said assigned router and the wireless optical device connected to said base station, and said link is line-of-sight.
    Type: Application
    Filed: November 22, 2010
    Publication date: February 2, 2012
    Inventors: Dharma P. Agrawal, Nishan S. Weragama, Hailong Li