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POWER CONTROL IN AN OPTICAL NETWORK UNIT

  • US 20120288279A1
  • Filed: 05/12/2011
  • Published: 11/15/2012
  • Est. Priority Date: 05/12/2011
  • Status: Active Grant
First Claim
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1. A method of power control in an Optical Network Unit (ONU), the ONU having an optical transmitter coupled to a power controller, the method comprising:

  • controlling a supply of power in accordance with information defining a plurality of transmission windows during which data can be transmitted from the ONU, to provide power to an optical transmitter in the ONU beginning at a predetermined time in advance of a transmission window of the plurality of transmission windows to ensure a laser in the optical transmitter is ready to begin transmitting the data at the start of the transmission window;

    controlling the supply of power in accordance with the information to refrain from providing full power to the optical transmitter during a period of time between the end of the transmission window and the start of a next transmission window of the plurality of transmission windows, when the duration of time between the end of the transmission window and the start of the next transmission window is greater than a predetermined length.

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