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Synchronizing nodes in an optical communications system utilizing frequency division multiplexing

  • US 20020012146A1
  • Filed: 05/11/2001
  • Published: 01/31/2002
  • Est. Priority Date: 06/01/2000
  • Status: Abandoned Application
First Claim
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1. In an optical fiber communications system including a transmitter node coupled to a receiver node by an optical fiber, a method for synchronizing the receiver node with the transmitter node, the method comprising:

  • at the transmitter node;

    generating a reference signal;

    synchronizing the transmitter node with the reference signal;

    modulating the reference signal onto an optical signal; and

    transmitting the optical signal across the optical fiber to the receiver node; and

    at the receiver node;

    receiving the optical signal;

    recovering the reference signal from the optical signal; and

    synchronizing the receiver node with the recovered reference signal.

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