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Reliable symbols as a means of improving the performance of information transmission systems

  • US 7,085,691 B2
  • Filed: 07/09/2001
  • Issued: 08/01/2006
  • Est. Priority Date: 11/04/1999
  • Status: Expired due to Fees
First Claim
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1. A channel gain estimation method for use in a communication system for transmitting symbols of a high order constellation, comprising:

  • identifying reliable symbols from a sequence of captured data samples recovered from a communication channel;

    estimating a constellation size from a set of maximally-sized reliable symbols;

    estimating a gain of the communication channel based on the estimated constellation size.

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