Multicarrier transmission system with low power sleep mode and rapid-on capability

CAFC
  • US 8,437,382 B2
  • Filed: 06/03/2011
  • Issued: 05/07/2013
  • Est. Priority Date: 01/26/1998
  • Status: Expired due to Fees
First Claim
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1. A method of operating a multicarrier transceiver having a sleep mode capability, the method comprising:

  • placing at least one component of a first multicarrier transceiver in a sleep mode;

    storing at least one parameter representative of a full power mode of the at least one component of the first multicarrier transceiver;

    maintaining synchronization between the first multicarrier transceiver and a second multicarrier transceiver using a synchronization signal while the at least one component of the first multicarrier transceiver is in the sleep mode;

    using the at least one stored parameter, for transmission or reception, in response to a signal to awaken from the sleep mode; and

    restoring the at least one component of the first multicarrier transceiver from the sleep mode to the full power mode, without needing to reinitialize the first multicarrier transceiver, by using the at least one recovered parameter, wherein the transceiver is used for communications over an internet.

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