×

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

  • US 20080240410A1
  • Filed: 10/29/2007
  • Published: 10/02/2008
  • Est. Priority Date: 02/06/1995
  • Status: Active Grant
First Claim
Patent Images

1. A multi-carrier modem, the modem comprising:

  • a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals;

    a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals;

    a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter;

    a controller programmed to instruct the transmitter to transmit a training pattern to a host unit, the training pattern having a pre-defined structure known to the host.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×