Patents by Inventor Xuejie Song

Xuejie Song 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: 8451879
    Abstract: A device for sending and receiving ultra wideband communications over a guided medium includes a line interface configured for electrical communication to the guided medium and adapted for interfacing with the guided medium, an ultra wideband impulse transmitter electrically connected to the line interface for transmitting amplitude modulated ultra wideband impulses over the guided medium, and an ultra wideband receiver electrically connected to the line interface for receiving amplitude modulated ultra wideband impulses over the guided medium.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 28, 2013
    Assignee: Lightwaves Systems, Inc.
    Inventors: Philip T. Kennedy, Joseph A. Gerke, David M. Snyder, Jon G. Stanford, Xuejie Song, Gregory P. Probst
  • Patent number: 8345778
    Abstract: A method of data transmission includes representing data using at least one amplitude modulated impulse based on an ultra wideband impulse, sending the at least one impulse over an electrically conductive guided media, receiving the at least one impulse over the electrically conductive guided media, recovering the data from the at least one amplitude modulated impulse after receiving the at least one impulse over the electrically conductive guided media. The at least one impulse coexists on the electrically conductive guided media with wave based transmissions sent over the electrically conductive guided media.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: January 1, 2013
    Assignee: Lightwaves Systems, Inc.
    Inventors: Philip T. Kennedy, Joseph A. Gerke, David M. Snyder, Jon G. Stanford, Xuejie Song, Gregory P. Probst
  • Publication number: 20100329247
    Abstract: A method for data transmission includes representing data using at least one impulse based on a ultra wideband impulse, sending the at least one impulse over an electrically conductive guided media, receiving the at least one impulse over the electrically conductive guided media, recovering the data encoded in the at least one impulse after receiving the at least one impulse over the electrically conductive guided media, storing individual bytes of the data recovered from said ultra wideband impulse signals in selectable memory locations of a plurality of buffer memories, each buffer memory for storing a plurality of said bytes, adding header data to outputs of said buffer memories and forming a plurality of variable length packets, and transmitting said plurality of packets in ultra wideband impulse output signals.
    Type: Application
    Filed: October 31, 2007
    Publication date: December 30, 2010
    Applicant: LIGHTWAVES SYSTEMS, INC.
    Inventors: PHILIP T. KENNEDY, JOSEPH A. GERKE, DAVID M. SNYDER, JON G. STANFORD, XUEJIE SONG
  • Publication number: 20090110085
    Abstract: A method of data transmission includes representing data using at least one amplitude modulated impulse based on an ultra wideband impulse, sending the at least one impulse over an electrically conductive guided media, receiving the at least one impulse over the electrically conductive guided media, recovering the data from the at least one amplitude modulated impulse after receiving the at least one impulse over the electrically conductive guided media. The at least one impulse coexists on the electrically conductive guided media with wave based transmissions sent over the electrically conductive guided media.
    Type: Application
    Filed: October 31, 2007
    Publication date: April 30, 2009
    Applicant: LIGHTWAVES SYSTEMS, INC.
    Inventors: PHILIP T. KENNEDY, JOSEPH A. GERKE, DAVID M. SNYDER, JON G. STANFORD, XUEJIE SONG
  • Publication number: 20090110030
    Abstract: A device for sending and receiving ultra wideband communications over a guided medium includes a line interface configured for electrical communication to the guided medium and adapted for interfacing with the guided medium, an ultra wideband impulse transmitter electrically connected to the line interface for transmitting amplitude modulated ultra wideband impulses over the guided medium, and an ultra wideband receiver electrically connected to the line interface for receiving amplitude modulated ultra wideband impulses over the guided medium.
    Type: Application
    Filed: October 31, 2007
    Publication date: April 30, 2009
    Applicant: LIGHTWAVES SYSTEMS, INC.
    Inventors: PHILIP T. KENNEDY, JOSEPH A. GERKE, DAVID M. SNYDER, JON G. STANFORD, XUEJIE SONG
  • Publication number: 20090110108
    Abstract: Preparing data for transmission includes determining bit loading per frequency bin based on channel estimation data to create a data symbol, performing a Fast Fourier Transform (FFT) on the interleaved data symbol array, mapping FFT data output sub-channel to a frequency bin to provide frequency mapped data, and performing an Inverse Fast Fourier Transform (IFFT) on the frequency mapped data to provide IFFT frequency mapped data suitable for transmission using one-dimensional amplitude modulated ultra wideband impulses representing the IFFT frequency mapped data. To recover the data a reverse process is used.
    Type: Application
    Filed: October 31, 2007
    Publication date: April 30, 2009
    Applicant: LIGHTWAVES SYSTEMS, INC.
    Inventors: Philip T. Kennedy, Joseph A. Gerke, David M. Snyder, Jon G. Stanford, Xuejie Song