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Generation of Clock Signal From Received Packet Stream

  • US 20090225787A1
  • Filed: 11/14/2005
  • Published: 09/10/2009
  • Est. Priority Date: 11/14/2005
  • Status: Active Grant
First Claim
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1. A receiving unit receiving packets including a device for producing, from received packets, a clock signal, the device including:

  • a clock signal generator for generating a clock signal having a controllable frequency,a delay determining unit determining the delays of received packets in relation to the clock signal, the delays of most recently received packets forming a delay distribution ranging from a current minimum delay value to larger delay values, andan evaluating and control signal producing unit for evaluating delays and for producing a control signal provided to the clock signal generator based on the delays, the evaluating and control signal producing unit including means for determining a characteristic delay value, which is characteristic of the delay distribution and for producing the control signal from the characteristic delay value.

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