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Upstream adaptive modulation in a communications system

  • US 7,860,041 B2
  • Filed: 07/23/2008
  • Issued: 12/28/2010
  • Est. Priority Date: 01/28/2003
  • Status: Expired due to Fees
First Claim
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1. An upstream modulation method for a communications system, comprising:

  • defining burst parameters associated with a range of data interval usage codes (IUCs);

    monitoring signal-to-noise ratio (SNR) and codeword error rates for modems connected to a network; and

    dynamically assigning the data IUCs to the modems within an upstream channel according to at least one of the SNR and the codeword error rate to enable each of the modems in the upstream channel to achieve maximum bandwidth efficiency during upstream data transmissions.

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