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Circuit for configuring and dynamically adapting data and energy parameters in a multi-channel communications system

  • US 6,084,917 A
  • Filed: 12/16/1997
  • Issued: 07/04/2000
  • Est. Priority Date: 12/16/1997
  • Status: Expired due to Term
First Claim
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1. A circuit for use in a high speed multi-channel transmission system, which system is intended to transmit data at a data rate R using N sub-channels, said circuit comprising:

  • a sub-channel parameter memory for storing K signal-to-noise values associated with K sub-channels, where K<

    N; and

    a processing unit for determining and dynamically adapting data capacities of each of the K sub-channels based on an evaluation of the following parameters;

    i) the K signal-to-noise ratios; and

    ii) said data rate R; and

    iii) a number Nch of the K sub-channels having a non-zero bit capacity; and

    wherein the processing unit determines the data capacities in one or more iterations of a routine executed by the processing unit, and Nch is calculated during each iteration.

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