Patents by Inventor David Eckard

David Eckard 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).

  • Patent number: 8417117
    Abstract: A passive optical network (PON) comprises an Optical Line Termination (OLT), an Optical Distribution Network (ODN), and a plurality of Optical Network Terminations (ONTs), wherein the OLT includes an OLT Dense Wavelength Division Multiplexing (DWDM) multiplexer, an OLT CWDM demultiplexer, and a Wavelength Division Multiplexing (WDM) filter, wherein the OLT DWDM multiplexer and the OLT CWDM demultiplexer are coupled to the WDM filter, wherein the ODN includes a WDM filter, a DWDM demultiplexer, and a plurality of fanout splitters, wherein the DWDM demultiplexer is coupled to the WDM filter, wherein the WDM filters are coupled to one another and wherein a portion of the plurality of ONTs that are associated with a wavelength are coupled to one of fanout splitters that is associated with the wavelength.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: April 9, 2013
    Assignee: Alcatel Lucent
    Inventors: Joseph Lee Smith, Alain Granger, David Eckard, Jihad Baghdadi
  • Patent number: 8041215
    Abstract: A method, a computer readable medium, and a system for discovering an Optical Network Terminal (ONT) in a Dense Wave Division Multiplex (DWDM) hybrid Passive Optical Network (PON) Line Terminal (LT), comprises implementing, by an Optical Line Termination (OLT), a ranging procedure on at least one downstream link, wherein the OLT is communicably coupled to the ONT, discovering at least one new ONT, by the OLT, on the at least one downstream link based on the ranging procedure, discovering an unranged ONT, by the OLT, during the ranging procedure, and determining, by the OLT, that the unranged ONT resides on the at least one downstream link.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: October 18, 2011
    Assignee: Alcatel Lucent
    Inventors: Joseph Lee Smith, David Eckard
  • Patent number: 7613395
    Abstract: A transmission system for a passive optical network comprises a shared optical transmission apparatus, a shared electrical interface apparatus and a plurality of transmission convergence termination units. The shared optical transmission apparatus is configured for being coupled to an optical line termination unit via an optical fiber. The shared electrical interface apparatus is coupled to the shared optical transmission apparatus. The plurality of transmission convergence termination units is coupled to the shared electrical interface apparatus. Each one of the transmission convergence termination units is configured for selectively controlling the shared electrical interface apparatus.
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: November 3, 2009
    Assignee: Alcatel Lucent
    Inventors: Jonathan Huffman, Ray Tyrrell, Hal Thorne, Dirk Corsus, Duane Remein, David Eckard, Travis Lentz
  • Patent number: 7580425
    Abstract: A single grant generating apparatus has the responsibility of generating grants and grant rates for multiple ONTUs and grant patterns of a PON system. Accordingly, the single grant generating apparatus must perform bandwidth allocation functionality for the ONTUs of the PON in a serial manner. Disclosed bandwidth allocation approaches accomplish automated spacing of grants for a plurality of ONTUs in a balanced and uniform manner is accomplished whereby improved bandwidth allocation efficiency and resolution is provided for a PON system. By improving bandwidth allocation efficiency and resolution, a greater number of subscribers can be subscribed to PON services on a PON. This balanced and uniform manner of generating grants dramatically reduces the potential of grants clumping too closely together.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: August 25, 2009
    Assignee: Alcatel Lucent
    Inventors: David Eckard, Andras Kovacs, Kenneth Waters
  • Publication number: 20090016722
    Abstract: A method, a computer readable medium, and a system for discovering an Optical Network Terminal (ONT) in a Dense Wave Division Multiplex (DWDM) hybrid Passive Optical Network (PON) Line Terminal (LT), comprises implementing, by an Optical Line Termination (OLT), a ranging procedure on at least one downstream link, wherein the OLT is communicably coupled to the ONT, discovering at least one new ONT, by the OLT, on the at least one downstream link based on the ranging procedure, discovering an unranged ONT, by the OLT, during the ranging procedure, and determining, by the OLT, that the unranged ONT resides on the at least one downstream link.
    Type: Application
    Filed: July 13, 2007
    Publication date: January 15, 2009
    Applicant: ALCATEL LUCENT
    Inventors: JOSEPH LEE SMITH, DAVID ECKARD
  • Publication number: 20080089684
    Abstract: A passive optical network (PON) comprises an Optical Line Termination (OLT), an Optical Distribution Network (ODN), and a plurality of Optical Network Terminations (ONTs), wherein the OLT includes an OLT Dense Wavelength Division Multiplexing (DWDM) multiplexer, an OLT CWDM demultiplexer, and a Wavelength Division Multiplexing (WDM) filter, wherein the OLT DWDM multiplexer and the OLT CWDM demultiplexer are coupled to the WDM filter, wherein the ODN includes a WDM filter, a DWDM demultiplexer, and a plurality of fanout splitters, wherein the DWDM demultiplexer is coupled to the WDM filter, wherein the WDM filters are coupled to one another and wherein a portion of the plurality of ONTs that are associated with a wavelength are coupled to one of fanout splitters that is associated with the wavelength.
    Type: Application
    Filed: October 10, 2007
    Publication date: April 17, 2008
    Applicant: ALCATEL LUCENT
    Inventors: JOSEPH SMITH, ALAIN GRANGER, DAVID ECKARD, JIHAD BAGHDADI
  • Publication number: 20060104637
    Abstract: A transmission system for a passive optical network comprises a shared optical transmission apparatus, a shared electrical interface apparatus and a plurality of transmission convergence termination units. The shared optical transmission apparatus is configured for being coupled to an optical line termination unit via an optical fiber. The shared electrical interface apparatus is coupled to the shared optical transmission apparatus. The plurality of transmission convergence termination units is coupled to the shared electrical interface apparatus. Each one of the transmission convergence termination units is configured for selectively controlling the shared electrical interface apparatus.
    Type: Application
    Filed: November 16, 2004
    Publication date: May 18, 2006
    Inventors: Jonathan Huffman, Ray Tyrrell, Hal Thorne, Dirk Corsus, Duane Remein, David Eckard, Travis Lentz
  • Publication number: 20060098680
    Abstract: A system, method, and computer readable medium for strict priority weighted round robin scheduling includes selecting a set of bandwidth allocation table filled entries having a common destination address, each filled entry associated with a received data packet and determining a scheduling weight for each bandwidth allocation table entry in the selected set, the scheduling weight determined first by a priority and then by an assigned weight.
    Type: Application
    Filed: November 9, 2005
    Publication date: May 11, 2006
    Inventors: Mehmet Kelesoglu, David Eckard