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Method and System for Adaptive Orthogonal Frequency Division Multiplexing Using Precoded Cyclic Prefix

  • US 20090279626A1
  • Filed: 05/07/2009
  • Published: 11/12/2009
  • Est. Priority Date: 05/07/2008
  • Status: Active Grant
First Claim
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1. A method for adaptive communication signal communication on a wireless or wireline network comprising the following steps for transmission of an adaptive communication signal:

  • a. detecting the communication environment or determining communication requirements, for communication on the wireless or wireline network;

    b. determining system parameter information for adaptive OFDM based on the communication environment or communication requirements;

    c. encoding the system parameter information into at least one precoded cyclic prefix (PCP) sequence;

    d. generating a OFDM symbol transmission by combining at least one PCP, and an adaptive Orthogonal Frequency Division Multiplexing (OFDM) symbol, using the system parameters encoded in the corresponding PCP;

    e. transmitting the signal from at least one OFDM transmitter to at least one OFDM receiver;

    f. demodulating the at least one PCP; and

    g. demodulating the OFDM signal using the system parameters recovered in step (fi.

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