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Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion

  • US 8,040,965 B2
  • Filed: 07/09/2009
  • Issued: 10/18/2011
  • Est. Priority Date: 05/17/2001
  • Status: Expired due to Term
First Claim
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1. In a multi-channel communication system comprising components having one or more processors, a method for determining a threshold used to select transmission channels for data transmission, the method comprising:

  • defining, with a processor, a set of code rates, wherein each code rate is selectable for coding data prior to transmission;

    defining, with a processor, a set of setpoints, wherein each setpoint corresponds to a respective code rate and is indicative of a target signal-to-noise-plus-interference ratio (SNR) required at the corresponding code rate for a particular level of performance;

    determining, with a processor, a particular number of transmission channels supported by each code rate for achieving the setpoint corresponding to the code rate;

    determining, with a processor, a performance criteria for each code rate based in part on the number of supported transmission channels; and

    selecting, with a processor, the threshold based on the determined performance criteria for the code rates in the set, and wherein transmission channels are selected for use for data transmission based on the threshold.

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