Patents by Inventor James Alan IVEY

James Alan IVEY 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).

  • Hub enabled single hop transport forward access
    Patent number: 9960838
    Abstract: A satellite system is configured to receive and allow direct forwarding of traffic on a time slot by time slot basis without demodulation or decoding. The satellite system may be configured to receive waveforms and configured to separate a waveform of data from a waveform of control information. The satellite system may be configured to switch the waveform of data toward one or more terminals and configured to switch the waveform of control information toward a satellite control unit without demodulation or decoding of the waveforms. A method for satellite communication is also provided.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: May 1, 2018
    Assignee: Lockheed Martin Corporation
    Inventors: Russell K. Johnson, James Alan Ivey, Aniruddha R. Karmarkar
  • Waveform-enabled jammer excision (WEJE)
    Patent number: 9712275
    Abstract: A method for waveform-enabled jammer excision (WEJE) may include performing a jammer measurement during a look-through window when no signal-of-interest (SOI) is present and obtaining a jammer signal. A SOI-plus-jammer measurement may be performed and a SOI-plus-Jammer signal may be obtained when both the jammer signal and the SOI are present. Optimal weights that maximize a SOI-to-jammer power ratio may be determined. SOI-plus-jammer signals from a number of antenna elements may be optimally weighted and combined to copy the SOI and null the jammer signal based on the determined optimal weights.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: July 18, 2017
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Russell K. Johnson, James Alan Ivey, Yadunath Bhagvantrao Zambre
  • Hub enabled single hop transport forward access
    Patent number: 9654206
    Abstract: A satellite system is configured to receive and allow direct forwarding of traffic on a time slot by time slot basis without demodulation or decoding. The satellite system may be configured to receive waveforms and configured to separate a waveform of data from a waveform of control information. The satellite system may be configured to switch the waveform of data toward one or more terminals and configured to switch the waveform of control information toward a satellite control unit without demodulation or decoding of the waveforms. A method for satellite communication is also provided.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: May 16, 2017
    Assignee: Lockheed Martin Corporation
    Inventors: Russell K. Johnson, James Alan Ivey, Aniruddha R. Karmarkar
  • WAVEFORM-ENABLED JAMMER EXCISION (WEJE)
    Publication number: 20150256286
    Abstract: A method for waveform-enabled jammer excision (WEJE) may include performing a jammer measurement during a look-through window when no signal-of-interest (SOI) is present and obtaining a jammer signal. A SOI-plus-jammer measurement may be performed and a SOI-plus-Jammer signal may be obtained when both the jammer signal and the SOI are present. Optimal weights that maximize a SOI-to-jammer power ratio may be determined. SOI-plus-jammer signals from a number of antenna elements may be optimally weighted and combined to copy the SOI and null the jammer signal based on the determined optimal weights.
    Type: Application
    Filed: August 20, 2013
    Publication date: September 10, 2015
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: Russell K. JOHNSON, James Alan IVEY, Yadunath Bhagvantrao ZAMBRE