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Enhanced OFDM by use of alternating polarization states

  • US 20040125880A1
  • Filed: 12/30/2002
  • Published: 07/01/2004
  • Est. Priority Date: 12/30/2002
  • Status: Active Grant
First Claim
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1. An Orthogonal Frequency Division Multiplexer (OFDM) transmitter apparatus, comprising:

  • a mapper that maps a first portion of data to be transmitted to a first polarization state and a second portion of data to be transmitted to a second polarization state;

    a first transmitter that transmits the first portion of the data as a set of first OFDM subcarriers using a first antenna exhibiting a first polarization; and

    a second transmitter that transmits the second portion of the data as a set of second OFDM subcarriers using a second antenna exhibiting a second polarization, wherein the first polarization is orthogonal to the second polarization.

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