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COHERENT OPTICAL TRANSCEIVER AND COHERENT COMMUNICATION SYSTEM AND METHOD FOR SATELLITE COMMUNICATIONS

  • US 20080025728A1
  • Filed: 10/04/2007
  • Published: 01/31/2008
  • Est. Priority Date: 07/02/2003
  • Status: Active Grant
First Claim
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1. An optical system comprising:

  • an optical receiver receiving a phase modulated optical signal and producing a digital data output signal;

    a first means for measuring an additive phase noise at a receiver site and providing a first correction signal;

    a digital signal processing unit correcting the digital data output signal basing on the first correction signal.

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