MULTICARRIER TRANSMISSION SYSTEM WITH LOW POWER SLEEP MODE AND RAPID-ON CAPABILITY

  • US 20110235691A1
  • Filed: 06/03/2011
  • Published: 09/29/2011
  • Est. Priority Date: 01/26/1998
  • Status: Active Grant
First Claim
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1. A multicarrier transceiver having a sleep mode capability, comprisingA. means responsive to a sleep mode command for:

  • (1) storing selected state parameters characteristic of the communications channel over which the transceiver is operating; and

    (2) reducing power to selected portions of transceiver circuitry; and

    B. means responsive to a wake-up command for;

    (1) restoring power to said transceiver;

    (2) restoring the state of said transceiver from said sleep mode by means of said stored parameters; and

    C. means for maintaining a common, synchronized data frame count between said transceiver and a remote transceiver with which it communicates, to thereby facilitate restoration of communication without reinitialization of said transceiver.

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