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Latency Reduction In A Low Power Mode

  • US 20110172000A1
  • Filed: 03/22/2011
  • Published: 07/14/2011
  • Est. Priority Date: 08/31/1999
  • Status: Active Grant
First Claim
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1. A cable modem configured to operate in a low power mode, comprising:

  • an upstream modulator configured to transmit a message to a cable modem termination system;

    a downstream de-modulator configured to receive a message from the cable modem termination system; and

    a processor coupled to the downstream de-modulator and configured to determine whether the cable modem is inactive for a period of time, to send a sleep request to the cable modem termination system using the upstream modulator if the cable modem is inactive for the period of time, receive a sleep command from the cable modem termination system via the downstream de-modulator in response to the sleep request and operate the cable modem in the low power mode in response to the sleep command.

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