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Data communication over power lines

  • US 9,998,173 B2
  • Filed: 07/27/2015
  • Issued: 06/12/2018
  • Est. Priority Date: 07/24/2003
  • Status: Expired due to Term
First Claim
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1. A system for receiving and processing a plurality of signals received from a plurality of different customer-based endpoints within a three-phase power distribution system, the three-phase power distribution system comprising:

  • the plurality of different customer-based endpoints respectively located at customer sites in an area served by at least one power distribution substation, each endpoint of the plurality of different customer-based endpoints including an endpoint transmitter in an electrical communication with power distribution lines within the three-phase power distribution systema three-phase power line coupler;

    a substation receiver in the electrical communication with the three-phase power line coupler; and

    a substation circuit in the electrical communication with the substation receiver, the substation circuit configured to simultaneously demodulate the plurality of signals concurrently received from the plurality of different customer-based endpoints by separating a channel on the power distribution lines carrying the plurality of signals into respective signal processing signal paths associated with different ones of the plurality of different customer-based endpoints which are configured to be located at the customer sites, each of the respective signal processing signal paths having a different respective bandwidth.

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