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Legacy compatible spatial multiplexing systems and methods

  • US 7,643,453 B2
  • Filed: 06/22/2005
  • Issued: 01/05/2010
  • Est. Priority Date: 06/22/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating a first packet comprising two copies of a long training symbol;

    generating a second packet comprising a cyclically-shifted long training symbol and an inverted version of the cyclically-shifted long training symbol;

    transmitting the first packet from a first antenna; and

    transmitting the second packet from a second antenna.

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