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Systems and methods for transmitting data in a wireless communication network

  • US 7,352,806 B2
  • Filed: 03/26/2004
  • Issued: 04/01/2008
  • Est. Priority Date: 12/06/2001
  • Status: Active Grant
First Claim
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1. A radio transmitter module configured to generate a modulated signal having a three-level signal constellation from a data stream comprising a plurality of symbols, each symbol having one of three symbol values, the transmitter, comprising:

  • a first pulser configured for generating a high signal for each of the plurality of symbols having a first symbol value and a low signal for each of the plurality of symbols having a second symbol value or a third symbol value;

    a second pulser configured for generating a high signal for each of the plurality of symbols having the third symbol value and a low signal for each of the plurality of symbols having the second symbol value or the first symbol value, the second pulser further comprising an inverted output; and

    a combiner coupled to the first pulser and the second pulser for combining pulsed signal outputs to generate the modulated signal.

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