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MAC protocol employing multiple data rates

  • US 7,379,494 B2
  • Filed: 10/01/2004
  • Issued: 05/27/2008
  • Est. Priority Date: 06/12/1998
  • Status: Expired due to Fees
First Claim
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1. In a digital communications network comprising a plurality of data communications devices transmitting via a common transmission medium and a hub receiving signals from said data communications devices via said common transmission medium, a method comprising:

  • receiving access request messages from requesting data communication devices, said access request messages requesting access to said common transmission medium;

    allocating access to said common transmission medium in both the frequency and time domain among said requesting data communication devices; and

    transmitting from said hub to said requesting access devices, instructions for each requesting access device to transmit at particular times and frequencies, and at particular data rates chosen in accordance with allocations by a bandwidth manager.

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