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Power line communication method and apparatus

  • US 8,169,923 B2
  • Filed: 09/28/2006
  • Issued: 05/01/2012
  • Est. Priority Date: 09/30/2005
  • Status: Active Grant
First Claim
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1. A power line communication method, comprising:

  • determining whether a destination communication apparatus to receive a data packet can directly communicate without using a repeater;

    transmitting the data packet to the destination communication apparatus when it is determined that the destination communication apparatus can directly communicate without using the repeater; and

    transmitting the data packet to the repeater when it is determined that the destination communication apparatus cannot directly communicate without using the repeater,wherein the determining of whether the destination communication apparatus can directly communicate comprises;

    determining that the destination communication apparatus can directly communicate without using the repeater when a beacon message is received by the destination communication apparatus from a coordinator of a PLC cell including the destination communication apparatus; and

    determining that the destination communication apparatus cannot directly communicate without using the repeater when the beacon message is not received by the destination communication apparatus from the coordinator of the PLC cell including the destination communication apparatus.

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