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System and method for accurately predicting signal to interference and noise ratio to improve communications system performance

  • US 6,426,971 B1
  • Filed: 09/13/1999
  • Issued: 07/30/2002
  • Est. Priority Date: 09/13/1999
  • Status: Expired due to Term
First Claim
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1. A method for receiving a signal comprising:

  • measuring the signal to form a sequence of consecutive signal-to-interference noise ratio estimates;

    filtering said estimates according to each of a plurality of predetermined fading environments to form a plurality of sequences of signal-to-interference noise ratio predictions, wherein each of said plurality of sequences of signal-to-interference noise ratio predictions corresponds to one of said plurality of predetermined fading environments;

    comparing each of said plurality of sequences of signal-to-interference noise ratio predictions to at least one signal-to-interference noise ratio estimate subsequent to said sequence to form a plurality of prediction errors, wherein each of said plurality of prediction errors corresponds to one of said plurality of predetermined fading environments;

    forming a predicted signal-to-interference noise ratio based on said plurality of sequences of signal-to-interference noise ratio predictions and said plurality of prediction errors.

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