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Method and apparatus for multi-level phase shift keying communications

  • US 20030103583A1
  • Filed: 03/11/2002
  • Published: 06/05/2003
  • Est. Priority Date: 12/04/2001
  • Status: Abandoned Application
First Claim
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1. A method for detection of a phase shift keying (PSK) signal comprising:

  • for each cycle of said PSK signal (i) producing a first group of at least one pulse based on a positive portion of said cycle and (ii) producing a second group of at least one pulse based on a negative portion of said cycle;

    applying at least one gating window to said first and second groups to retain at least one pulse within said at least one gating window and disregard at least one pulse outside of said at least one gating window; and

    producing an information symbol on the basis of at least one pulse retained by said at least one gating window.

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