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Apparatus and methods for incorporating bandwidth forecasting and dynamic bandwidth allocation into a broadband communication system

  • US 7,983,272 B2
  • Filed: 09/18/2007
  • Issued: 07/19/2011
  • Est. Priority Date: 05/19/2000
  • Status: Expired due to Term
First Claim
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1. A cable modem, comprising:

  • a media access control (MAC) layer;

    communication components coupled to the MAC layer operative for communicating digital data over a shared access communication medium;

    a statistics collector coupled to the MAC layer for collecting statistical information relating to traffic in the media access control (MAC) layer;

    a lookahead scheduler coupled to the MAC layer operative for forecasting schedule transmission opportunities on a given channel for a future time slot responsive to a schedule for controlling the transmission of packets in the flow queue upstream in accordance with the schedule;

    a predictor responsive to the statistical information collected by the statistics collector, for generating prediction signals representative of future bandwidth requirements; and

    the lookahead scheduler further configured to generate updated traffic schedules at predetermined time periods.

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